The Smartest House Promo Codes and Coupons September 2025

The Smartest House

TheSmartestHouse.com is an online retailer specializing in smart home technology, home automation products, and IoT devices. They offer a curated selection of compatible devices from leading brands like Z-Wave, Zigbee, and other smart home ecosystems. The store focuses on providing reliable customer service and technical support to help customers build their ideal smart home setup.

thesmartesthouse.com

Today's The Smartest House discount codes

TOP PICK

10% off

1708 uses

high

worked 8 days ago

10% Off Sensative Z-wave Plus Strips Comfort Indoor / Outdoor Temperature & Light Sensor (Must Order Minimum Quantity: 2 Items) at The Smartest House

25% off

5 uses

medium

worked 7 months ago

Take 25% off with discount code

30% off

4 uses

medium

worked 7 months ago

Take 30% off with code

20% off

2 uses

medium

worked 7 months ago

Score 20% off with promo code

Featured The Smartest House Products

Zooz 800 Series Z-Wave Long Range On / Off Light Switch ZEN71 800LR

NEW 800 SERIES! PRODUCT HIGHLIGHTS Control lights from the wall switch or wirelessly with Z-Wave On / off only for instant switching (get the dimmer here) 800 chip: more range, faster signal, SmartStart inclusion + S2 security Z-Wave Long Range ready: extend the wireless coverage up to 1 mile if your hub supports Long Range Direct 3-Way Solution: no add-on switch needed, wires just like the ZEN21 model (Neutral required, 4-Way wiring possible if direct connection to load and line are in the same box, check before buying) Works well in simple single pole installations Replaceable paddles (almond, brown, and black paddle kits available) Small profile (just 1.1" deep) to fit easily in a crowded or shallow box Adjustable LED indicator: choose the color and brightness that works for you! Built-in range test tool: diagnose network issues straight from your switch Scene control available on hubs that support multi-tap triggers* Smart bulb mode: disable the relay for truly wireless control or use as a remote control / smart add-on switch Restores on/off status after power failure Compatible with LED, and incandescent bulbs (NOTE: FEIT bulbs are not recommended) Don't connect to tube lights, halogen bulbs, transformers, or fans over 3A / 5 years old Stronger repeater to boost your Z-Wave network Use a standard-size wall plate for single gang installations (wall plate not included) 5-year extended warranty (register your product here) and lifetime tech support Check out Zooz Light Switches & Dimmers Frequently Asked Questions NOTE: Z-Wave gateway controller required - sold separately. *Your smart hub / controller needs to support advanced settings for you to take advantage of this feature. Not sure which switch model to choose? Read a guide to Zooz switches here! Here is a simplified overview of the recommended models for the most common scenarios (read the full guide above for more details): PRODUCT CONDITION We may have this product available in open box, refurbished, or used condition - just check the variant buttons under the product price for availability. All of our recycled inventory has been tested for both manual and Z-Wave control and is fully functional at the time of shipment. Here is what you can expect when ordering your device: NEW: brand new product, as delivered by the factory OPEN BOX: like new item in excellent condition, it may come in partially damaged or not original packaging; all accessories included; hardware and firmware version may be different than the brand new device description REFURBISHED: good condition, may show slight signs of wear, may not include all accessories (like product manual, wire jumper, etc); paddles are always clean without signs of use; hardware and firmware version may be different than the brand new device description USED (FINAL SALE): used condition, may show signs of wear, may not include accessories (like product manual, wire jumper, etc) or parts of the packaging; paddles are clean and don't show signs of wear; FINAL SALE: not eligible for return, replacement, or warranty service; hardware and firmware version may be different than the brand new device description SPECIFICATIONS Z-Wave Region: US/MX/CA Power: 120 VAC, 60 Hz Maximum Loads: 960W Incandescent, 150W LED and CFL bulbs, 1800W (15A) Resistive, 3A fan motors Z-Wave Range: Up to 200 feet line of sight between the hub and the closest Z-Wave receiver module, up to 1 mile with Z-Wave Long Range enabled (your Z-Wave hub needs to support that feature) Dimensions: 1.16" deep, 1.75" wide, 4.1" tall Operating Temperature: 32-104° F (0-40° C) Installation: Indoor use only RESOURCES Download the Manual for Zooz Z-Wave Long Range On / Off Switch ZEN71 800LR (PDF) More wiring diagrams for 3-way and 4-way set-ups Zooz Light Switches & Dimmers Frequently Asked Questions Advanced Settings Support Portal WORKS WITH Z-Box Hub (recommended for Zooz products) 2GIG (no advanced settings or scene control) ADT Pulse (no advanced settings or scene control) Almond (Securify) Fibaro Home Center 2 Fibaro Home Center Lite Home Assistant (Z-Wave JS) HomeSeer (with Z-Wave Plus plug-in) Homey (Zooz App for Homey) Hubitat InControl Indigo ISY994Zw Jeedom openHAB Open Z-Wave Ring (no advanced settings or scene control) SmartThings Hub (click here to access the custom lua driver for advanced functionality) Wink and Wink 2 Zipato Z-Wave Zipabox Smart Home Controller Zipato ZipaTile Home Automation Controller NOTE: If you don't see your Z-Wave controller on the list above, please contact us before you purchase this product. CUSTOM ENGRAVING You can now order a custom engraving for you smart switch paddles from our partners at Domotinc! Just click on the image below to add a custom label to the paddles and order it directly from Domotinc. NOTE: custom etched paddles are NOT included with your purchase on The Smartest House. INSTALLATION Before installing, make sure the load does not exceed 960W for incandescent lights, 150W for CFL's and LED's, or 1800W (15A) for resistive load. Check your wiring first to confirm that you have all the following wires present in your gang box: load (most often black), line (most often black), neutral (most often white), and ground (most often green).If you are not comfortable identifying the wiring and following the instructions, please hire a licensed electrician. Here are some helpful wiring tips: Make sure the gang box you are about to install the switch has a neutral wire available - you will not be able to get the ZEN71 switch to work without a neutral wire. Unlike regular mechanical switches, Z-Wave switches require all of the wires to be connected exactly as indicated - line and load wires can never be swapped as it sometimes happens to the most experienced electricians. How to include the Zooz On / Off switch to your smart home network?1. Bring your Z-Wave gateway hub or controller as close to the switch as possible2. Put your Z-Wave controller in inclusion/pairing mode3. Tap the upper paddle of the switch 3 times quickly to finalize the inclusion process4. A new on/off switch should appear on your controller's device list NOTE: Use a dedicated diagram from the manual to wire the switch in a 3-way setting with a regular electrical switch if you are looking to control one light with 2 or 3 switches. SHOP COLOR PADDLES

USD 28.95

Zooz Z-Wave Plus Smoke and CO Detector Bridge ZEN55 800LR

SAFE ALERTS PRODUCT HIGHLIGHTS Quick reports to your hub for low-voltage trigger signals from your interconnected hard wired smoke and CO detectors by all major brands like First Alert, Kidde, and BRK (do NOT use with battery powered detectors) Recognizes and reports both smoke and CO signals from interconnected hard wired analog detectors individually NOTE: This is NOT a security alarm component and the device is NOT part of a life-safety system. Check local regulations before installing. Optional 120 V relay to control lighting or a security siren 800 series Z-Wave chip: faster communication and more reliable network Long Range: if your hub implements Z-Wave Long Range, you'll benefit from the latest direct device-to-hub communication which extends the range like never before and eliminates network lags Built-in signal repeater: keep your mesh network stable and your system fast (not applicable to Long Range installations) SmartStart and S2 authenticated security for a truly protected smart home Installs in any interconnected detector box; the last box is recommended as it has fewer wires (check your wiring first and always follow the diagrams in the manual). Pigtail wires included for quicker set-up 5-year extended warranty when registered and tech support forever NOTE: Z-Wave gateway controller required - sold separately. PRODUCT CONDITION We may have this product available in open box, refurbished, or used condition - just check the variant buttons under the product price for availability. All of our recycled inventory has been tested for both manual and Z-Wave control and is fully functional at the time of shipment. Here is what you can expect when ordering your device: NEW: brand new product, as delivered by the factory OPEN BOX: like new item in excellent condition, it may come in partially damaged or not original packaging; all accessories included; hardware and firmware version may be different than the brand new device description REFURBISHED: good condition, may show slight signs of wear, may not include all accessories (like product manual, wire jumper, etc); paddles are always clean without signs of use; hardware and firmware version may be different than the brand new device description USED (FINAL SALE): used condition, may show signs of wear, may not include accessories (like product manual, wire jumper, etc) or parts of the packaging; paddles are clean and don't show signs of wear; FINAL SALE: not eligible for return, replacement, or warranty service; hardware and firmware version may be different than the brand new device description. SPECIFICATIONS Z-Wave Frequency: 908.42 MHz (US) Power: 120-240 VAC, 50/60 Hz Maximum Loads: 10 A Z-Wave Range: Up to 300 feet line of sight (or up to a mile with Long Range enabled) Dimensions: 1.5" tall, 1.4" wide, 0.7" deep Operating Temperature: 32-104° F (0-40° C) Installation: Indoor use only RESOURCES Download the Manual for the Zooz 800 Series Z-Wave Long Range DC Signal Sensor (PDF) Advanced Settings Support Portal WORKS WITH Z-Box Hub (recommended for Zooz products) Home Assistant (Z-Wave JS) HomeSeer (with Z-Wave Plus plug-in) Hubitat (custom driver required) SmartThings (Edge driver needed) NOTE: If you don't see your Z-Wave controller on the list above, please ask the manufacturer of your Z-Wave hub about support for the ZEN55 before you purchase this product. INSTALLATION Check your wiring first to confirm that you have all the following wires present in your electrical box: power, neutral, and the connection to the detector.If you are not comfortable identifying the wiring and following the instructions, please hire a licensed electrician. Here is an example diagram showing how to wire the ZEN55 to a smoke detector: INSTALLATION TIPS Use with any standard interconnect smoke and/or CO alarms. Always turn off the power at the breaker before handling the wiring, this is a 120 V high-voltage installation. The last detector in series will be the one that only has 3 wires coming into the box (vs 5 or more in other boxes). This is where you'll have the most space to install your smart device at. (NOTE: it can be installed in any box in the series; the last is recommended only because of space.) When adding the ZEN55 relay to your hub, you may need to scan the QR code or enter the PIN code located on the back of the relay (if your system supports SmartStart). Read more about adding the device to your hub here. Test the detector's alarm (follow the instructions for your unit) to see if the status of the device changes in your hub's interface once the alarm goes off. Remember to warn your family members or roommates when testing this! Always turn the power off when securing the module and the detector back in the electrical box. You'll need to create an automation in your hub for a notification to be sent to your phone or email once the status on the ZEN55 changes so you can immediately know if the alarm is triggered.

USD 21.75

Zooz 800 Series Z-Wave Long Range Heavy Duty Wall Switch ZEN75 800LR

MORE POWER! Features & Installation Easily control your lights, fans, receptacles, and small motors via a wall switch or wirelessly with Z-Wave technology Great for large LED installations (up to 600 Watts) and fans (no speed control) Learn more about supported loads here This switch delivers instant on/off control (for dimming, check out our Z-Wave dimmer) 800 Series Z-Wave Chip: faster signal transmission, extended range, SmartStart inclusion, and S2 security for a seamless smart home experience Z-Wave Long Range ready: Expand wireless coverage up to 1300 feet with a compatible hub Direct 3-Way Solution: no add-on switch required! Works like the ZEN71 model (neutral wire needed, 4-Way wiring possible if direct connection to load and line are in the same box, check before buying) It's perfect for simple single pole installations too! Use with a standard-size decora wall plate (not included) Smart Home Integration & Customization Adjustable LED indicator: customize color and brightness that works for you Built-in range test tool: quickly diagnose network connectivity issues directly from the switch Scene control support: activate smart home routines via multi-tap triggers* Smart bulb mode: disable the relay for wireless smart lighting control or use it as a remote add-on switch Reliable & Energy-Efficient Performance Power Failure Recovery: restores last on/off status automatically Compatible with LED and incandescent bulbs (NOTE: FEIT bulbs are not recommended) Control well pumps and pool pumps up to 1HP at 120 V (or up to 3 HP at 240 V) Suitable for tube lights with ballast, shop lights, and halogen bulbs (up to 350 W) Stronger Signal Repeater: improves your Z-Wave mesh network performance. 5-year extended warranty (register your product here) and lifetime tech support Check out the Zooz Heavy Duty Light Switch ZEN75 Frequently Asked Questions NOTE: Z-Wave gateway controller required - sold separately. *Your smart hub / controller needs to support advanced settings for you to take advantage of this feature. PRODUCT CONDITION We may have this product available in open box, refurbished, or used condition - just check the variant buttons under the product price for availability. All of our recycled inventory has been tested for both manual and Z-Wave control and is fully functional at the time of shipment. Here is what you can expect when ordering your device: NEW: brand new product, as delivered by the factory OPEN BOX: like new item in excellent condition, it may come in partially damaged or not original packaging; all accessories included; hardware and firmware version may be different than the brand new device description REFURBISHED: good condition, may show slight signs of wear, may not include all accessories (like product manual, wire jumper, etc); paddles are always clean without signs of use; hardware and firmware version may be different than the brand new device description USED (FINAL SALE): used condition, may show signs of wear, may not include accessories (like product manual, wire jumper, etc) or parts of the packaging; paddles are clean and don't show signs of wear; FINAL SALE: not eligible for return, replacement, or warranty service; hardware and firmware version may be different than the brand new device description SPECIFICATIONS Z-Wave Region: US/MX/CA Power: 120-277V AC, 50/60 Hz Maximum Loads (read more about supported loads here): 600W LED 1800W Incandescent 15 A Resistive / Tungsten / Incandescent 10 A Inductive Ballast / Electronic Ballast / LED 1 HP at 120 VAC Motor / 3 HP at 240 VAC Motor Z-Wave Range: Up to 200 feet line of sight between the hub and the closest Z-Wave receiver module, up to 1300 feet with Z-Wave Long Range enabled (your Z-Wave hub needs to support that feature) Dimensions: 1.3" deep, 1.75" wide, 4.1" tall Operating Temperature: 32-104° F (0-40° C) Installation: Indoor use only RESOURCES Download the the manual for the Zooz Z-Wave Long Range Heavy Duty Switch ZEN75 800LR (PDF) Zooz Heavy Duty Light Switch ZEN75 Frequently Asked Questions Advanced Settings Support Portal WORKS WITH Z-Box Hub (recommended for Zooz products) 2GIG (no advanced settings or scene control) ADT Pulse (no advanced settings or scene control) Home Assistant (Z-Wave JS) HomeSeer (with Z-Wave Plus plug-in) Homey (Zooz App for Homey) Hubitat ISY Ring (no advanced settings or scene control) SmartThings Hub (custom lua driver for advanced functionality coming soon) NOTE: If you don't see your Z-Wave controller on the list above, please contact us before you purchase this product. INSTALLATION Before installing, make sure the load does not exceed 1800W for incandescent lights, 600W for LED's, or 15A for resistive load (read more about supported loads here). Check your wiring first to confirm that you have all the following wires present in your gang box: load (most often black), line (most often black), neutral (most often white), and ground (most often green).If you are not comfortable identifying the wiring and following the instructions, please hire a licensed electrician. Here are some helpful wiring tips: Make sure the gang box you are about to install the switch has a neutral wire available - you will not be able to get the ZEN75 switch to work without a neutral wire. Unlike regular mechanical switches, Z-Wave switches require all of the wires to be connected exactly as indicated - line and load wires can never be swapped as it sometimes happens to the most experienced electricians. How to include the Zooz Heavy Duty switch to your smart home network?1. Bring your Z-Wave gateway hub or controller as close to the switch as possible2. Put your Z-Wave controller in inclusion/pairing mode3. Scan the SmartStart QR code on the front metal plate of the switch or tap the upper paddle of the switch 3 times quickly to finalize the inclusion process manually4. A new on/off switch should appear on your controller's device list NOTE: Use a dedicated diagram from the manual to wire the switch in a 3-way setting with a regular electrical switch if you are looking to control one light with 2 or 3 switches.

USD 36.95

Zooz 800 Series Z-Wave Long Range Power Strip ZEN20 800LR

Safe & Smart Power Up PRODUCT HIGHLIGHTS 5 Z-Wave Plus power outlets for wireless control of small appliances and electronics (total under 15 A resistive load) 2 USB ports for phone / tablet chargers report on / off status to the hub (NO Z-Wave control) 800 series chip: more range, faster signal, SmartStart inclusion + S2 security Z-Wave Long Range ready: extend the wireless coverage up to 1 mile if your hub supports Long Range NEW in 800LR version: enhanced hardware protection against high inrush current from low-quality power adapters and other inductive loads Control each outlet individually or all at once via Z-Wave (individual local control from each button) Power monitoring in every outlet* Wall mounting and flat angled plug for cleaner installation Built-in signal repeater to strengthen Z-Wave network Remembers and restores on/off status after power outage Blue LED indicators signal status and communication in progress 5-year warranty extended warranty if registered + lifetime tech support Check out ZEN20 Frequently Asked Questions NOTE: Z-Wave gateway controller required - sold separately. *You need a controller which supports energy reports to take full advantage of the product. **Power reports for devices drawing 4W and above per channel; below 4W will not be reported. PRODUCT CONDITION We may have this product available in open box, refurbished, or used condition - just check the variant buttons under the product price for availability. All of our recycled inventory has been tested for both manual and Z-Wave control and is fully functional at the time of shipment. Here is what you can expect when ordering your device: NEW: brand new product, as delivered by the factory OPEN BOX: like new item in excellent condition, it may come in partially damaged or not original packaging; all accessories included; hardware and firmware version may be different than the brand new device description REFURBISHED: good condition, may show slight signs of wear, may not include all accessories (like product manual); hardware and firmware version may be different than the brand new device description USED (FINAL SALE): used condition, may show signs of wear, may not include accessories (like product manual) or parts of the packaging; may show signs of wear like scratches; FINAL SALE: not eligible for return, replacement, or warranty service; hardware and firmware version may be different than the brand new device description SPECIFICATIONS Z-Wave Region: US / CA / MX Power: 110V Maximum Load: 15Amps TOTAL between 5 outlets USB Charging Port Power: 5V up to 2.1 A Cord: 2.5' Range: Z-Wave Range: Up to 200 feet line of sight between the hub and the closest Z-Wave receiver module, up to 1300 feet with Z-Wave Long Range enabled (your Z-Wave hub needs to support that feature) Installation and Use: Indoor Only Operating Temperature: 32-104° F (0-40° C) Dimensions: 11" x 2.5" x 1" Weight: 13oz RESOURCES Zooz Z-Wave Plus Power Strip ZEN20 800LR Manual (PDF) ZEN20 Frequently Asked Questions Advanced Settings Support Portal WORKS WITH Z-Box Hub (recommended for Zooz products) ADT Pulse (no energy monitoring, on / off only) Fibaro Home Center 2 Fibaro Home Center Lite Home Assistant (Z-Wave JS) HomeSeer (with Z-Wave Plus plug-in) Hubitat openHAB SmartThings Hub (work best with the custom lua driver for advanced functionality) Wink and Wink 2 (no energy monitoring or advanced settings) NOTE: If you don't see your Z-Wave controller on the list above, please contact us before you purchase this product. HOW IT WORKS The Zooz Z-Wave Plus Power Strip is the smartest way to power up your everyday devices, like your laptop, lighting, entertainment, and audio equipment. Remotely check if a device is powered and switch it on or off with your mobile device. Automatically turn on all or one of the the power strip outlets at a specific time every day based on your schedule and needs. Create events that allow it to communicate with other Z-Wave devices — open the front door, turn off the power strip. Use the built-in timer to automatically turn designated outlets off after a fixed amount of time for added parental control. Monitor power use and optimize energy draw in your home or office. INSTALLATION Be sure to check whether your Z-Wave hub supports the required command classes (please refer to your user manual for specifics). Plug the power strip into any grounded 110V receptacle. Before connecting any devices, turn the power switch on and make sure the blue LED indicators light up when you click the buttons assigned to each outlet. Next, include the power strip into your Z-Wave system: 1. Plug the power strip into a grounded 110V receptacle within the range of your Z-Wave network. 2. Put your hub in inclusion mode. 3. Press and release the CH1 power button on the power strip 3 times very quickly. 4. The newly added strip should appear on your controller’s device list. To exclude the power strip from your network at any time, follow the steps above but with your controller in exclusion mode. For more instructions on association and advanced software capabilities, please refer to your user manual.

USD 79.75

What The Smartest House coupons are available today?

We track so many discount codes. Read about today's The Smartest House coupon statistics.

The Smartest House deals available today

Active The Smartest House codes

10% off

Biggest discount available

Get the best The Smartest House promo codes and coupons that actually work. Our community of sustainability minded shoppers helps you save by testing and sharing:

Verified promo codes with live success rates from recent shoppers!
Exclusive single-use codes shared by our community (8 active codes).
Drop alerts when The Smartest House's most popular items go on sale!
Deals for those who want extra savings opportunities
Insider savings tips from experienced The Smartest House shoppers who know the best deals.

Why TerraCoupons finds better The Smartest House discounts:

Live success tracking: See exactly which codes are working for other shoppers right now
Real-time feedback: Every code attempt is tracked and ranked to show you the best options first
Sale predictions: Get alerted when The Smartest House's next big discount event is coming
Exclusive savings: reseller discounts, shopping tips and sustainability tips you won't find elsewhere

Note: Our community tests every The Smartest House promo code and shares results in real-time. Check success rates and shopping tips in the activity feed to find what works best for your purchase.

15% off

4 uses

medium

worked 6 months ago

Save 15% off with promo code

5% off

3 uses

medium

worked 6 months ago

Get 5% off with promo code

10% off

513 uses

low

worked almost 3 years ago

10% Off European Z-wave Devices at The Smartest House

20% off

892 uses

low

worked almost 2 years ago

20% Off Storewide at The Smartest House

More The Smartest House Products

Zooz 800 Series Z-Wave Long Range Double Switch ZEN30 800LR (White) for Light & Fan Combo

Do It All PRODUCT HIGHLIGHTS Z-Wave Plus Dimmer (up to 75 W LEDs and 250 W incandescent) and On/Off Relay in one The first Z-Wave double wall switch! Here are some ideas for how to use it in your smart home. Direct replacement for fan / light combo switches or other double switches in your home NEW 800 chip: more range, faster signal, SmartStart inclusion + S2 security Z-Wave Long Range ready: extend the wireless coverage up to 1 mile if your hub supports Long Range DIMMER: double tap to full brightness, custom brightness level on, adjustable ramp rate and dimming speed, and more great features you've known Zooz for!* RELAY: on/off control only, use it with ceiling fans or exhaust fans, built-in overload protection, dry contact relay for more creative applications, no load necessary so you can use it as a virtual switch or scene controller. Scene Control (select hubs only): trigger up to 18 scenes or control up to 18 devices with multi-tap control.* Smart bulb ready: use scene control or simple automations to easily program smart bulb control with this switch without cutting power to them NO DIRECT 3-WAY: use in single pole set-ups only. Can be used in virtual 3-way's without any direct connections to the other switches in 3-way and 4-way installations. Contact us for details. Adjustable LED indicator: choose from 4 colors and 3 brightness levels Quick Installation: pigtail wires (wire nuts included), only 1.1" deep and no heatsink tabs for an easy fit White (no other color available - currently no plans for other colors) S2 security with SmartStart for safer wireless communication OTA firmware updates for a future-proof device Built-in signal repeater to boost your Z-Wave network Restores status after power failure Air-gap switch for added safety Use a standard-size wall plate for single gang installations (wall plate not included) 5-year warranty and lifetime tech support Check out ZEN30 Frequently Asked Questions NOTE: Z-Wave gateway controller required - sold separately. *Your hub needs to support advanced parameter input to display these features. PRODUCT CONDITION We may have this product available in open box, refurbished, or used condition - just check the variant buttons under the product price for availability. All of our recycled inventory has been tested for both manual and Z-Wave control and is fully functional at the time of shipment. Here is what you can expect when ordering your device: NEW: brand new product, as delivered by the factory OPEN BOX: like new item in excellent condition, it may come in partially damaged or not original packaging; all accessories included; hardware and firmware version may be different than the brand new device description REFURBISHED: good condition, may show slight signs of wear, may not include all accessories (like product manual, wire cap, etc); paddles are always clean without signs of use; hardware and firmware version may be different than the brand new device description USED (FINAL SALE): used condition, may show signs of wear, may not include accessories (like product manual, wire caps, etc) or parts of the packaging; paddles are clean and don't show signs of wear; FINAL SALE: not eligible for return, replacement, or warranty service; hardware and firmware version may be different than the brand new device description SPECIFICATIONS Z-Wave Frequency: 908.42 MHz (US) Power: 120 VAC, 60 Hz Z-Wave Chip: 800 Series (800LR only) Maximum Load for Dimmer: 75 W LED, 250 W incandescent (don't use with tube lights, chandeliers, switched receptacles, or fans) Maximum Load for Relay: 15 A Z-Wave Range: Up to 100 feet line of sight Operating Temperature: 32-104° F (0-40° C) Dimensions: 1.7" x 4.1" x 1.1" Installation: Indoor use only RESOURCES Download the Manual for Zooz Z-Wave Plus S2 Double Switch ZEN30 800LR (PDF) ZEN30 Frequently Asked Questions Advanced Settings Support Portal WORKS WITH Z-Box Hub (recommended for Zooz products) Home Assistant (Z-Wave JS/JS UI) HomeSeer (with Z-Wave Plus plug-in) Hubitat (2.1.8 release or higher, custom driver needed: install here) ISY openHAB (2.5.1 or higher) SmartThings (custom lua driver needed, download it here) Wink and Wink 2 (no advanced settings, add as Generic Z-Wave Switch) NOTE: If you don't see your Z-Wave controller on the list above, please contact us before you purchase this product. HOW IT WORKS You asked, Zooz answered! One part light dimmer, one part 15A on/off relay, this Double Switch has endless use cases. Make it your go-to Z-Wave solution for existing stacked switches controlling a ceiling fan and lights on the fan. If you have two switches that control a fan and light separately (2 connections coming into the box, 1 for the motor and 1 for the light), use the Double Switch to combine them! You can also use this device to control two sets of lights with one switch (one dimmable, one on/off), saving space in your box for another application. Or skip on the load for either the dimmer or relay, and use the Double Switch as a remote control for other scenes and devices in your Z-Wave network.Besides fan control, the 15 A relay in the Double Switch is a dry contact that can be used in a variety of creative applications. Use it to add Z-Wave to an outlet receptacle or load from a different circuit. The Double Switch supports OTA firmware updates so you’ll be able to take advantage of Zooz’s frequent upgrades and feature additions. And once added to your Z-Wave hub, the Double Switch will immediately start boosting Z-Wave signals to strengthen your connections and extend the range of other devices. It supports the newest S2 authenticated security protocol for secure communication, and its Z-Wave Plus 700 series chip ensures stable connections with your hub. INSTALLATION Please follow the manual carefully and refer to the supplied diagrams when installing your Zooz S2 switches. It's recommended that a licensed electrician performs the installation. Check for neutral connections BEFORE you buy. A white wire from a 14-3 romex is usually NOT a neutral. Ask us if you're not sure what to look for, we'll be happy to help! How to include the Z-Wave Plus S2 Double Switch to your smart home hub? 1. Make sure the switch is installed within range of your Z-Wave network2. Put your Z-Wave hub in inclusion/pairing mode3. Tap the upper paddle of the dimmer 3 times quickly to finalize the inclusion process4. A new dimmer and on/off switch will appear on your controller's device list NOTE: If you can't match your wiring with any of the diagrams included in the manual, let us know and we'll walk you through the wiring process.

USD 33.95

FIBARO Z-Wave Plus Dimmer 2 FGD-212

Versatile Lighting Control PRODUCT HIGHLIGHTS Add Z-Wave control to an existing light switch On/Off and Dimming Control for all types of bulbs (20 Watts minimum load required!) Remembers and restores brightness settings with a click NO neutral needed if used with incandescent bulbs (no LEDs or CFLs) Energy monitoring (if supported by your home automation controller) Soft start function Works with all types of switches – momentary, toggle, and in three-way configuration 1-year manufacturer warranty NOTE: Z-Wave gateway controller required - sold separately. HOW IT WORKS Remotely controlled light dimming module FIBARO Dimmer 2 is designed to work with various types of light sources. It may be connected to two-wire or three-wire configuration so it can operate with or without neutral lead. FIBARO Dimmer 2 can switch or dim connected light source either through radio waves or through the wall switch connected directly to it.New FIBARO Dimmer 2 is equipped with an algorithm of smart light source detection which makes configuration easier and ensures high compatibility of the device. It may be used as a switch with non-dimmable light sources (in 3-wire connection). INSTALLATION Read the instruction manual very carefully before attempting to install the FIBARO Dimmer. Please refer to the wiring diagrams below when installing the module. If you are unable to identify the wiring in your switchbox or are unsure how to read the diagram, please hire a licensed electrician and have them review the diagrams carefully as Z-Wave switches are very sensitive to improper wiring. WORKS WITH Z-Box Hub (recommended for Fibaro products) 2GIG FIBARO Home Center Lite HomeSeer OpenHAB SmartThings Hub - custom device handler required for full functionality (get it here) VeraEdge Z-Wave Gateway Controller VeraLite Z-Wave Gateway Controller VeraPlus Z-Wave Plus Advanced Home Controller Zipato Z-Wave Zipabox Smart Home Controller Zipato ZipaTile Home Automation Controller NOTE: If you don't see your Z-Wave controller on the list above, please contact us before you purchase this product. SPECIFICATIONS Z-Wave Frequency: 908.42 MHz (US) Power: 110V Resistive loads (Conventional incandescent and halogen light sources): 25-125W Resistive-capacitive loads (fluorescent tube lamp - compact / with electronic ballast, electronic transformer, LED): 25-100VA Resistive-inductive loads (Ferromagnetic transformers): 25-110VA Dimensions: 1.7" x 1.5" x 0.8" Weight: 2.5 oz Installation: Indoor Use Only RESOURCES Download the Manual for FIBARO Z-Wave Plus Dimmer 2 FGD-212 (PDF)

USD 49.95

Zooz Momentary In-Wall Switch ZAC99 for Z-Wave Dimmer Modules

Accessorize Affordably PRODUCT HIGHLIGHTS 1-button momentary switch (press a single paddle in sequence for on/off and hold for dimming) Adds dimming capability to your favorite Z-Wave dimmer module from the wall switch Use it with the Fibaro Dimmer to complete multi-point installations without neutral Slim design leaves enough space in the switch box to easily fit a Z-Wave dimmer behind Clean look and solid built UL listed: meets North American safety standards 1-year warranty NOTE: This is NOT a Z-Wave device. You need a compatible Z-Wave dimmer module for wireless control. HOW IT WORKS This Zooz Momentary Switch is the perfect addition to your Z-Wave dimmer module. Its operation is simple but its potential is great: tap it to turn your Z-Wave dimmer on, press and hold it to adjust brightness, tap it again to turn it off. It is not a Z-Wave device by itself, and should be used with a behind-the-switch Z-Wave module for wireless functionality. Use it to complete a 4-way or other complex multi-point control set-ups with the Fibaro Dimmer to add Z-Wave to circuits with no neutral. Its slim and compact form factor leaves extra space in your switch box making installation worry-free. The simple decora style will complement most interiors. INSTALLATION Before proceeding with the installation, turn off the power in the switch box. Make sure you have either 12 or 14 AWG copper wire, since this is the only type of wiring that’s approved for this installation. If needed, strip the wiring of its insulation (exposing 0.75” will be enough). Connect all wires to all screw terminals, including the ground wire. Tighten all the screws, and secure your Z-Wave module and the momentary switch in the box using the mounting screws. Be sure to handle the wires carefully. Install the wall plate, and turn the power back on to test the device. WORKS WITH Aeotec By Aeon Labs Z-Wave Plus Nano Dimmer ZW111 (no neutral needed!) Fibaro Z-Wave Plus Dimmer 2 FGD-212 (no neutral needed!) Qubino Z-Wave Plus Flush Dimmer ZMNHDD3 Qubino Z-Wave Plus Flush RGBW Dimmer Module ZMNHWD3 SPECIFICATIONS Model Number: ZAC99 Type: Momentary contact Power: 120 VAC, 60 Hz Maximum Load: 15A Operating Temperature: 32-104° F (0-40° C) Installation and Use: Indoor only Dimensions: 4” x 1.5” x 1.4” RESOURCES Download the Manual for Momentary In-Wall Switch ZAC99 (PDF)

USD 6.95

Zooz 700 Series Z-Wave Long Range Dry Contact Relay ZEN51 LR

Backstage Z-Wave PRODUCT HIGHLIGHTS On/off Z-Wave control for 120V and dry contact applications: great for lighting control or 120V load monitoring (motion lights) 700 series Z-Wave chip: greater coverage for a stronger mesh network Long Range: if your hub implements Z-Wave Long Range, you'll benefit from the latest direct device-to-hub communication which extends the range like never before and eliminates network lags (note that versions for regions outside of US/CA/MX don't come with LR) SmartStart and S2 authenticated security for a truly protected smart home Installs behind the existing wall switch or at the fixture (if neutral is not available in the switch box) Pigtail wires included for hassle-free set-up Perfect if you'd like to leave your favorite wall switch style or color but add Z-Wave to it Smart bulb mode: disable manual and/or Z-Wave control to control your smart bulbs via Z-Wave only without cutting power to them Scene control: choose from 7 multi-tap triggers to expand the functionality of the connected switch (available on hubs that support multi-tap triggers*) Multicolor LED indicator for easier pairing and diagnostics Compatible with quality LED and incandescent bulbs (don't connect to ballast tube lights, switched receptacles, or fans over 3A / 5 years old; NOTE: FEIT bulbs are not recommended) Built-in signal repeater: helps keep your network quick and reliable 5-year warranty and lifetime tech support NOTE: Z-Wave gateway controller required - sold separately. *Your smart hub / controller needs to support advanced settings and central scene programming for you to take advantage of this feature. PRODUCT CONDITION We may have this product available in open box, refurbished, or used condition - just check the variant buttons under the product price for availability. All of our recycled inventory has been tested for both manual and Z-Wave control and is fully functional at the time of shipment. Here is what you can expect when ordering your device: NEW: brand new product, as delivered by the factory OPEN BOX: like new item in excellent condition, it may come in partially damaged or not original packaging; all accessories included; hardware and firmware version may be different than the brand new device description, may not feature Z-Wave Long Range. REFURBISHED: good condition, may show slight signs of wear, may not include all accessories (like product manual, battery may not be full, etc); hardware and firmware version may be different than the brand new device description, may not feature Z-Wave Long Range. USED (FINAL SALE): used condition, may show signs of wear, may not include accessories (like product manual, batteries, or mounting hardware) or parts of the packaging; may show signs of wear like scratches; FINAL SALE: not eligible for return, replacement, or warranty service; hardware and firmware version may be different than the brand new device description, may not feature Z-Wave Long Range. Z-WAVE FREQUENCY This product is available in different Z-Wave frequencies so please make sure you choose the correct region before checking out. You need to select the same frequency / region as your hub when buying Z-Wave devices for them to include to your system. If you're not sure which frequency your hub operates on, please contact your solution provider first. Here is what each option stands for: US/CA/MX: 908.42 MHz (used primarily in US, Canada, and Mexico, the default option for all products) EU/UK: 868.42 MHz (used primarily in Europe) - no Z-Wave Long Range SPECIFICATIONS Z-Wave Region: US/CA/MX, EU/UK (no Z-Wave Long Range) Power: 120-240 VAC, 50/60 Hz Maximum Loads: 960W incandescent, 150W LED bulbs, 10A resistive, 1/2 HP fan motors Z-Wave Range: Up to 300 feet line of sight (up to 1300 feet with Z-Wave Long Range) Dimensions: 1.5" tall, 1.4" wide, 0.7" deep Operating Temperature: 32-104° F (0-40° C) Installation: Indoor use only RESOURCES Download the Manual for Zooz 700 Series Z-Wave Plus Dry Contact Relay ZEN51 (PDF) Advanced Settings Support Portal WORKS WITH Z-Box Hub (recommended for Zooz products) Ezlo Plus Ezlo Secure Fibaro Home Center Lite Home Assistant (Z-Wave JS) HomeSeer (with Z-Wave Plus plug-in) Homey (Zooz App for Homey) Hubitat (change device type to Generic Z-Wave Plus Switch manually) SmartThings (install the custom lua driver for advanced functionality) NOTE: If you don't see your Z-Wave controller on the list above, please contact us before you purchase this product. INSTALLATION Before installing, make sure the load does not exceed 960W for incandescent lights, 150W for LED's, 3A for fans and motors, or 10A for resistive load. Check your wiring first to confirm that you have all the following wires present in your gang box: load (most often black), line (most often black), neutral (most often white), and ground (most often green).If you are not comfortable identifying the wiring and following the instructions, please hire a licensed electrician. Here are some helpful wiring tips: Make sure the gang box you are about to install the switch has a neutral wire available - you will not be able to get the ZEN51 relay to work without a neutral wire. If neutral is not available, you'll need to install the ZEN51 at the light fixture. Unlike regular mechanical switches, Z-Wave switches require all of the wires to be connected exactly as indicated - line and load wires can never be swapped as it sometimes happens to the most experienced electricians. How to include the Dry Contact Relay to your smart home network?1. Bring your Z-Wave gateway hub or controller as close to the switch as possible2. Put your Z-Wave controller in inclusion/pairing mode3. Click the Z-Wave button on the relay 3 times quickly to finalize the inclusion process4. A new on/off switch should appear on your controller's device list

USD 27.95

Sustainability Score

45%

While the company promotes energy-efficient smart home products, their own sustainability practices lack transparency. Limited information is available about their packaging practices, warehouse operations, and supply chain ethics. No clear commitments to renewable energy or waste reduction are publicly stated. The company could improve by implementing and communicating clear sustainability goals and practices.

About The Smartest House

3.0 (1)

FAQs

: We regularly offer sales during major holidays including Black Friday, Cyber Monday, Memorial Day, and Labor Day. We also run periodic flash sales throughout the year.
: Yes, we price match with major authorized retailers for identical items within 14 days of purchase.
: The best deals are typically found during Black Friday/Cyber Monday season (November-December) and during new product launches when previous models are discounted.
: Yes, we offer package deals on compatible smart home devices, with savings of up to 20% when purchasing multiple items together.
: In the past month, The Smartest House has launched 3 new promo coupons for shopper discounts. This indicates that The Smartest House does not provide regular opportunities for customers to save money on their purchases.
: On average, The Smartest House provides 1.5 discount coupons each month. Based on historical data, the average time between The Smartest House coupon releases every 20 days. However, this rate depends on various factors such as seasonal promotions (Black Friday, Cyber Monday, etc.), product launches, or other marketing initiatives. To stay informed about upcoming discounts and promotions, we recommend checking The Smartest House website regularly, subscribing to email newsletters, and following them on social media.
: The Smartest House is offering 1 working store-wide codes, however they are also offering 7 additional discount codes with a best discount of 10% off
: terra.coupons is the #1 provider of discount codes for your favorite retailers, such as The Smartest House. As a crowd-sourced platform for coupon codes, we accurate codes for over 10,000 stores. Save time and avoid expired codes by checking terra.coupons for the latest The Smartest House discount codes.

Curated by

Linda S.

Content Writer

Last updated September 2025

This page was curated by Linda, a savings and discount enthusiast from sunny Sarasota, Florida. With a keen eye for unbeatable deals, Linda ensures that all codes are checked and curated daily. She's also a certified yoga instructor who loves to share wellness tips. Check back tomorrow for more savings and perhaps a little zen!

Latest The Smartest House coupon activity

Track real-time The Smartest House coupon activity from our community. See which codes are working right now at The Smartest House, when they were last verified, and any usage restrictions. Our feed helps you quickly find active codes and avoid expired ones.

From the blog

2025-04-29

The Smartest House Promo Codes and Coupons September 2025