Choosing the right Z‑Wave Plus thermostat can turn a modest smart‑home setup into a truly energy‑savvy sanctuary, letting you fine‑tune heating and cooling from anywhere while shaving dollars off your utility bills.
With countless models promising compatibility, sleek displays, and advanced scheduling, it’s easy to feel overwhelmed and risk picking a device that falls short on reliability, range, or integration with your existing hub.
In this post we’ve cut through the noise, testing and comparing the top ten Z‑Wave Plus thermostats on the market to highlight the features, performance, and value each brings to the table. Read on to discover which smart thermostat will keep your home comfortable and your wallet happy.
10 Must-Have Z-Wave Plus Thermostats for Smart Homes
Discover how each of these top-rated thermostats can boost energy efficiency, enhance comfort, and seamlessly integrate with your Z‑Wave ecosystem.
10. Minoston 800 Series Z-Wave Scene Controller
The Minoston 800 Series Z‑Wave Scene Controller (MR40Z) brings smart‑home convenience to any room without the need for wiring.
Powered by a long‑life battery, the compact remote snaps into a standard switch box or attaches magnetically to walls, countertops, or shelving, giving you instant access to four programmable buttons.
Each button can trigger up to four scenes, letting you control lights, locks, thermostats, or any Z‑Wave device with a single tap. Built on the newest 800‑Series Z‑Wave chip, it offers deeper signal penetration, S2 security, and SmartStart for hassle‑free inclusion.
The controller works with major hubs such as SmartThings, Home Assistant, and Homeseer, making it a versatile addition to both new and legacy Z‑Wave installations.
| Specification | Detail |
|---|---|
| Z‑Wave Chip | 800 Series (Z‑Wave Plus) |
| Buttons | 4 (4 scenes per button, 16 total) |
| Power | AA battery (≈2 years) |
| Range | Long‑range, enhanced penetration |
| Security | S2 Certified, SmartStart |
| Hub Compatibility | SmartThings, Home Assistant, Homeseer (basic Z‑Wave may limit scene programming) |
| Installation | Wall‑mount or magnetic surface, no wiring |
| Dimensions (L×W×H) | 4.5 × 2.5 × 1.2 inches |
Best For: Homeowners who want wireless, battery‑powered scene control without hiring an electrician.
Pros
- Easy placement: Magnetic back or switch‑box fit means you can add control points anywhere.
- Robust connectivity: 800‑Series chip with S2 security and SmartStart ensures reliable, secure operation.
- Flexible scene programming: Four buttons × four scenes each (16 combos) cover most everyday automations.
Cons
- Hub required: The controller cannot function standalone; a compatible Z‑Wave hub must be purchased separately.
- Battery replacement: Although long‑lasting, the AA battery will eventually need swapping.
9. Honeywell TH8320ZW Z-WAVE Programmable Thermostat
Honeywell’s TH8320ZW brings smart‑home convenience to everyday comfort. The Z‑Wave‑enabled thermostat communicates effortlessly with any Z‑Wave hub, letting you add or remove it with a simple push‑button command.
Its built‑in Wire Saver module eliminates the need for a common wire, simplifying retrofits in older homes. A large, backlit touchscreen displays temperature and program settings in clear, natural‑language prompts, while intuitive up/down arrows let you fine‑tune the climate in seconds.
The 7‑day programmable schedule lets each day have its own heating and cooling profile, so you never waste energy when you’re away.
Packaged as the YTH8320ZW1007, the set includes the TH8320ZW1000 thermostat and the THP9045A1023 wire‑saver module, delivering a complete, ready‑to‑install solution that blends modern tech with Honeywell’s trusted reliability.
Key Specs
| Specification | Detail |
|---|---|
| Connectivity | Z‑Wave (adds/removes via controller) |
| Wire Saver | Included (no common wire required) |
| Display | Extra‑large backlit touchscreen |
| Interface | Natural‑language prompts, touch‑adjust |
| Programming | 7‑day programmable schedules |
| Included Components | TH8320ZW thermostat + THP9045A wire saver |
| Model Numbers | TH8320ZW1000 / THP9045A1023 |
Best For
Homeowners upgrading legacy HVAC systems who want Z‑Wave smart control without rewiring.
Pros
- Seamless Z‑Wave integration for remote and automated control.
- Wire Saver eliminates complex wiring, perfect for retrofit projects.
- Large, backlit touchscreen with natural‑language UI makes programming effortless.
Cons
- Requires a Z‑Wave hub; not a standalone smart thermostat.
- No built‑in Wi‑Fi, limiting direct app control without a hub.
8. Zooz 800 Series Z-Wave Temperature/Humidity Sensor ZSE44 800LR
The Zooz 800 Series Z‑Wave Long Range Temperature | Humidity XS Sensor (ZSE44‑800LR) delivers precise climate data in a tiny, unobtrusive package.
It continuously measures air temperature and relative humidity, sending encrypted readings to any compatible Z‑Wave hub so you can fine‑tune thermostats, trigger humidifiers, or automate ventilation.
Built on the new 800‑series Z‑Wave chip, it supports Long‑Range mode (up to 1,300 ft) when paired with a hub that offers it, giving you superior coverage and battery life. Its sleek, rubber‑coated housing resists moisture and corrosion, allowing outdoor placement with an optional bracket.
With S2 security and SmartStart, installation is quick and communication stays fully encrypted. Whether you’re using a Z‑Box, SmartThings, Hubitat, or Home Assistant (Z‑Wave JS), this sensor integrates seamlessly—just remember a Z‑Wave hub is required (sold separately).
| Key Spec | Detail |
|---|---|
| Frequency | 868 MHz (EU) / 908 MHz (US) |
| Long‑Range Range | Up to 1,300 ft (with compatible hub) |
| Sensors | Temperature (‑10 °C to +50 °C) / Humidity (0‑100 % RH) |
| Battery | CR2032, 2‑year life (typical) |
| Dimensions | 45 mm × 45 mm × 15 mm |
| Security | Z‑Wave S2, SmartStart, AES‑128 encryption |
| Compatibility | Z‑Box, SmartThings, Hubitat, Home Assistant (Z‑Wave JS) |
| Certification | Z‑Wave Plus, Long Range Ready |
Best For – Homeowners who need accurate indoor climate data and reliable long‑range Z‑Wave connectivity.
Pros
- Long‑Range & Low Power: Up to 1,300 ft coverage with extended battery life.
- Dual Sensors: Simultaneous temperature and humidity monitoring for smarter HVAC control.
- Secure & Easy Setup: S2 encryption and SmartStart simplify pairing while keeping data safe.
Cons
- Hub Required: Must be paired with a compatible Z‑Wave hub (sold separately).
- Limited Outdoor Use: Outdoor mounting needs a bracket and protection from direct sun or rain.
7. Emerson Sensi ST75 Touch Thermostat
Emerson’s Sensi Touch Wi‑Fi Smart Thermostat blends sleek modern styling with powerful energy‑saving intelligence. The 5.6‑inch full‑color touchscreen delivers crisp, easy‑to‑read temperatures and intuitive menus that look great in any room.
Installation is a breeze thanks to the built‑in level, illuminated click‑terminals, and step‑by‑step guidance in the Sensi app—just be sure a common‑wire (C‑wire) is present.
Once set up, you can fine‑tune schedules, monitor usage, and receive maintenance alerts from anywhere via the iOS/Android app, and the thermostat integrates seamlessly with Alexa for voice control.
ENERGY STAR certification means you can expect roughly a 23 % reduction in HVAC energy use, while Emerson’s privacy promise guarantees your data won’t be sold to third parties. Whether you’re a DIY enthusiast or just want hassle‑free comfort, Sensi Touch puts full control at your fingertips.
| Specification | Detail |
|---|---|
| Model | ST75 |
| Color | Black (also white & silver) |
| Dimensions (L × W × H) | 5.625″ × 3.4″ × 1.17″ |
| Display | 5.6‑inch color touchscreen |
| Connectivity | Wi‑Fi, Works with Alexa |
| Power | C‑wire required |
| Certification | ENERGY STAR Certified |
| Privacy | No personal data sold to third parties |
| Mobile App | iOS & Android |
Best For – Homeowners who want a stylish, DIY‑friendly thermostat with remote control and strong energy‑saving features.
Pros
- Easy DIY install with level, illuminated terminals, and app guidance.
- Energy savings up to ~23 % thanks to flexible scheduling and usage reports.
- Smart home ready – Alexa voice control and full mobile app access.
Cons
- Requires a dedicated C‑wire, which may need professional help in older homes.
- No built‑in backup battery; power loss resets settings until Wi‑Fi reconnects.
6. Z-Wave TBZ500 Thermostat
The Z‑Wave TBZ500 Smart Thermostat blends robust home‑automation security with versatile climate control. Certified to Z‑Wave Plus and S2 security standards, it integrates seamlessly into any Z‑Wave hub, delivering encrypted communication for peace of mind.
Its backlit 128‑segment black‑and‑white LCD, complemented by a 7‑character message bar, offers crystal‑clear readouts even in low‑light conditions.
Whether you run a conventional gas/electric system (2‑stage heating & cooling) or a heat‑pump setup (up to 3‑stage heating and 2‑stage cooling), the TBZ500 adapts effortlessly. In heat‑pump mode, an Emergency Heat option is readily selectable, ensuring comfort during extreme weather.
The thermostat’s intuitive interface and reliable Z‑Wave connectivity make it an ideal upgrade for homeowners seeking smarter, more secure temperature management without sacrificing compatibility with existing HVAC equipment.
| Specification | Detail |
|---|---|
| Z‑Wave Certification | Z‑Wave Plus, S2 Security |
| Supported HVAC – Standard | 2‑stage heating, 2‑stage cooling |
| Supported HVAC – Heat Pump | 3‑stage heating, 2‑stage cooling |
| Emergency Heat | Selectable in heat‑pump mode |
| Display | Backlit fixed 128‑segment B/W LCD, 7‑character message bar |
Best For – Homeowners with Z‑Wave hubs who need a secure, versatile thermostat for gas/electric or heat‑pump systems.
Pros
- Secure Z‑Wave communication (S2 encryption) protects your network.
- Broad HVAC compatibility covers both standard and heat‑pump setups.
- Clear backlit LCD ensures easy reading day or night.
Cons
- Limited to black‑and‑white display; no color graphics.
- No built‑in Wi‑Fi, requiring a Z‑Wave hub for remote access.
5. Remotec ZTS-500 Z-Wave Thermostat
The Remotec Z‑Wave Smart Thermostat (ZTS‑500) brings intelligent climate control to any home equipped with a Z‑Wave hub. Its minimalist digital display shows temperature, mode and connectivity status at a glance, while the Z‑Wave Plus radio ensures fast, reliable communication and OTA firmware updates.
Designed for versatility, the thermostat works with 24 VAC single‑ and two‑stage conventional heating, heat‑pump systems, zoned forced‑air or hot‑water setups, and even millivolt installations, giving you confidence that it will pair with almost any HVAC configuration.
Power can be supplied via a traditional C‑wire or by a long‑life battery, so retrofits are painless. With a comprehensive set of inputs—RH, RC, C, Y1, Y2, G1, G2, B, O, W1, W2—you can wire virtually any system without additional adapters, making the ZTS‑500 a future‑proof centerpiece for smart‑home comfort.
| Specification | Details |
|---|---|
| Compatible HVAC Systems | 24 VAC single & two‑stage heating, heat‑pump (2‑stage), zoned forced‑air/hot water (2‑3 wire), millivolt (12‑24 VAC) |
| Z‑Wave Capability | Z‑Wave Plus, advanced configuration, OTA updates |
| Display | Sleek digital, minimalist layout |
| Power Options | Battery or C‑wire |
| Inputs | RH, RC, C, Y1, Y2, G1, G2, B, O, W1, W2 |
Best For: Ideal for homeowners seeking a versatile, Z‑Wave‑ready thermostat that fits both new builds and retrofits.
Pros
- Broad HVAC compatibility eliminates the need for additional controllers.
- OTA firmware updates keep the device secure and feature‑rich without manual effort.
- Flexible power options (battery or C‑wire) simplify installation in hard‑to‑wire homes.
Cons
- No built‑in Wi‑Fi; requires a Z‑Wave hub for remote access.
- Battery life depends on usage; frequent battery checks may be needed in battery‑only mode.
4. 2GIG STZ1 Z-Wave Thermostat
The 2GIG Z‑Wave 700 Programmable Thermostat (2GIG‑STZ1‑345) brings smart‑home convenience to any HVAC setup with minimal effort. Its built‑in Z‑Wave radio lets you control temperature from your phone, voice assistant, or central hub, while the large LCD keeps the current setting in plain view.
Designed as a drop‑in replacement, it fits most existing wiring configurations, so you won’t need to run new cables. Dual power options—four AA batteries lasting up to two years or 24 VAC from your system—ensure reliable operation even during outages.
Compatibility spans standard gas/electric furnaces, heat pumps, and even humidifier/dehumidifier units, making it a versatile upgrade for homes seeking both comfort and energy savings.
Best For: Homeowners who want a hassle‑free Z‑Wave thermostat that works with almost any HVAC system.
| Spec | Detail |
|---|---|
| Connectivity | Z‑Wave 700 (remote & local control) |
| HVAC Compatibility | Gas/electric, heat pump, humidifier, dehumidifier |
| Power Options | 4 AA batteries (≈2 years) or 24 VAC |
| Display | Large, backlit LCD |
| Installation Type | Drop‑in replacement, no extra wiring |
Pros
- Seamless Z‑Wave integration for remote and automated control.
- Works with a wide range of HVAC equipment, including humidity devices.
- Dual power sources provide flexibility and backup during outages.
Cons
- Requires a Z‑Wave hub; not functional as a standalone smart thermostat.
- LCD lacks color, which may be less appealing to some users.
3. Honeywell T6 Pro Z-Wave Thermostat
Honeywell’s TH6320ZW2003 T6 Pro Series Z‑Wave thermostat blends sleek white styling with intelligent climate control. Designed for modern smart‑home ecosystems, it learns the rhythm of your HVAC system and automatically fine‑tunes heating and cooling cycles for optimal comfort and energy savings.
The thermostat lets you set a minimum cooling temperature and a maximum heating temperature, preventing over‑cooling or overheating while you’re away. Its Z‑Wave connectivity means it pairs effortlessly with most hubs, giving you remote access, scheduling, and voice‑assistant control from anywhere.
Built by Honeywell Home, the device delivers reliable performance and a user‑friendly interface that adapts to your daily routine, making it a seamless upgrade for any home seeking smarter temperature management.
| Spec | Detail |
|---|---|
| Model | TH6320ZW2003 (T6 Pro) |
| Connectivity | Z‑Wave (compatible with major hubs) |
| Finish | White |
| Learning | Adaptive heating/cooling cycle learning |
| Temperature Limits | Set minimum cooling & maximum heating |
| Power | Hard‑wired (C‑wire optional) |
| Manufacturer | Honeywell Home |
Best For – Homeowners who want a smart, learning thermostat that integrates easily with Z‑Wave ecosystems.
Pros
- Learns your HVAC cycle for energy‑efficient operation.
- Adjustable minimum cooling and maximum heating limits protect your home’s comfort.
- Seamless Z‑Wave integration for remote control and automation.
Cons
- Requires a Z‑Wave hub; not a standalone smart thermostat.
- Hard‑wired installation may need professional assistance.
2. 2GIG 2GIG-STZ-1 Smart Thermostat
The 2GIG Smart Z‑Wave Plus thermostat (model 2GIG‑STZ‑1) brings modern comfort to any HVAC system with a sleek fixed‑format display and intuitive auto/on fan control.
Its 700‑series Z‑Wave Plus radio delivers a longer‑range, more reliable mesh network, while SmartStart simplifies inclusion and S2 authentication safeguards your home against unauthorized access.
Built‑in humidity sensing lets you fine‑tune both temperature and moisture for healthier indoor air, and the unit can draw power directly from the system’s 24 VAC “C” wire, eliminating the need for extra wiring.
Whether you’re upgrading a single‑zone residence or a multi‑zone commercial space, this thermostat offers a balanced mix of connectivity, security, and climate precision that’s easy to program and manage from any Z‑Wave controller.
| Spec | Detail |
|---|---|
| Model | 2GIG‑STZ‑1 |
| Z‑Wave Version | 700‑series Z‑Wave Plus (longer range) |
| Humidity Control | Integrated sensor & setpoint control |
| SmartStart | Supported for quick inclusion |
| Power | 24 VAC “C” wire (HVAC) or battery backup |
| Security | S2 authentication |
| Display | Fixed‑format LCD |
| Fan Mode | Auto / On |
Best For – Homeowners seeking a secure, Z‑Wave‑enabled thermostat with humidity control and simple wiring.
Pros
- Longer‑range 700‑series Z‑Wave Plus ensures reliable communication across large homes.
- Built‑in humidity sensor lets you maintain optimal indoor moisture levels.
- S2 authentication provides robust security against unauthorized network access.
Cons
- Fixed‑format display lacks touch interaction, which may feel dated to some users.
- Requires a 24 VAC “C” wire; installations without this may need additional wiring or a power extender.
1. Honeywell Home TH6320ZW2007/U Z-Wave T6 Pro Thermostat
The Honeywell Home TH6320ZW2007/U T6 Pro brings Z‑Wave intelligence to any HVAC setup with a sleek, white touchscreen that feels like a modern remote.
Designed for both heat‑pump (up to 3 heating/2 cooling stages) and conventional (up to 2 heating/2 cooling stages) systems, it delivers precise climate control while learning your daily rhythm.
Z‑Wave Plus certification extends radio range, boosts battery life, and widens bandwidth, ensuring reliable communication with smart hubs or panels. Power options are flexible—run on three AA batteries for easy retrofit or connect to a C‑wire for permanent wiring.
The intuitive scheduler offers 7‑day, 5‑1‑1, or 5‑2‑day programming, plus non‑programmable or occupancy‑based modes that sync with any Z‑Wave app.
SmartStart, low‑voltage wiring, and the UWP mounting system with a clean cover plate make installation quick and discreet, and blends seamlessly with your home décor for any style.
| Specification | Details |
|---|---|
| System Compatibility | Up to 3H/2C heat‑pump or up to 2H/2C conventional |
| Z‑Wave Version | Z‑Wave Plus (enhanced range, battery, bandwidth) |
| Power Options | 3 AA batteries or hardwired C‑wire |
| Programming Options | 7‑day, 5‑1‑1, 5‑2‑day, non‑programmable, occupancy |
| SmartStart | Yes |
| Mounting System | UWP (Universal Wall Plate) with cover plate |
| Color | White |
Best For: homeowners seeking advanced Z‑Wave thermostat control for multi‑stage HVAC systems.
Pros
- Handles multi‑stage heat‑pump and conventional setups.
- Z‑Wave Plus ensures strong, low‑power mesh networking.
- Flexible power options simplify retrofits and new installs.
Cons
- Requires a compatible Z‑Wave hub for full functionality.
- No built‑in Wi‑Fi; relies solely on Z‑Wave communication.
Buying Guide
When choosing a Z‑Wave Plus thermostat, focus on reliable connectivity, accurate temperature control, and compatibility with your HVAC system to ensure seamless smart‑home integration and energy savings.
Quality
Look for thermostats built with high‑grade components and reliable firmware updates. A solid metal or reinforced plastic housing protects internal circuitry, while a reputable brand often backs the product with a warranty.
Consistent temperature accuracy and low drift over time indicate superior quality, ensuring your heating and cooling system runs efficiently for years.
Features & Compatibility
Prioritize thermostats that support Z‑Wave Plus for faster mesh networking and extended range. Look for multi‑stage heating/cooling control, geofencing, scheduling, and integration with popular voice assistants.
Compatibility with your HVAC system—whether gas, electric, heat pump, or radiant—prevents costly retrofits and guarantees seamless automation across your smart home ecosystem for future‑proof operation.
Durability & Build
Choose units with robust enclosures rated for indoor and outdoor use, featuring UV‑resistant lenses and sealed joints to guard against moisture. A high IP rating (IP44 or above) protects against splashes, while corrosion‑resistant terminals ensure long‑term reliability.
Durable construction reduces maintenance costs and keeps the thermostat functioning through temperature extremes.
Value & Pricing
Balance upfront cost with long‑term savings; higher‑priced models often include advanced algorithms that cut energy bills by up to 15 %. Look for bundled accessories, such as mounting kits or additional sensors, that add value without extra fees. Transparent pricing, no hidden subscription fees, and a solid warranty enhance overall return on investment.
User Reviews & Support
Read verified consumer reviews to gauge real‑world performance, paying attention to recurring praises or complaints about connectivity, firmware updates, or customer service.
Strong after‑sales support—quick response times, comprehensive online manuals, and active community forums—can resolve issues before they become costly. A brand with high satisfaction scores typically delivers a smoother smart‑home experience.
By weighing quality, features, durability, price, and real‑world feedback, you can select a Z‑Wave Plus thermostat that delivers comfort, energy savings, and reliable smart‑home integration for years to come.
Frequently Asked Questions
What are the top Z‑Wave Plus thermostats for 2024?
Currently, the leading models are the Ecobee SmartThermostat with Z‑Wave Plus, the Honeywell T9 Pro, the Stelpro Maestro, and the GoControl Z‑Wave Plus thermostat. They offer precise temperature control, energy‑saving schedules, and seamless integration with most major smart‑home hubs for homeowners.
How does Z‑Wave Plus improve thermostat performance compared to standard Z‑Wave?
Z‑Wave Plus provides a mesh network, up to 40% longer range, and higher data throughput, which translates to faster response times and more reliable communication with hubs and other devices. It also supports battery‑saving sleep modes, extending thermostat lifespan.
Can Z‑Wave Plus thermostats be integrated with voice assistants like Alexa or Google Assistant?
Yes. Most Z‑Wave Plus thermostats expose climate control commands that Alexa, Google Assistant, and Siri can invoke through your hub’s cloud integration. Ensure your hub supports the voice service and enable the appropriate skill or action.
What factors should I consider when choosing a Z‑Wave Plus thermostat for my home?
Look at compatibility with your HVAC system, supported temperature ranges, and energy‑saving features like geofencing, and integration with your existing Z‑Wave hub. Also evaluate app design, firmware update frequency, and any additional sensors required for performance.
Conclusion
Choosing a Z‑Wave Plus thermostat means embracing a blend of reliability, flexibility, and future‑proof connectivity that traditional models can’t match.
The technology’s extended range and low‑power mesh network ensure seamless integration with any smart‑home hub, while advanced scheduling, geofencing, and energy‑reporting features empower homeowners to fine‑tune comfort and slash utility bills.
Compatibility with a wide array of HVAC systems and straightforward installation make these devices accessible to both DIY enthusiasts and professional installers. Ultimately, a Z‑Wave Plus thermostat delivers the smart, responsive control needed to turn any home into an efficient, automated sanctuary.
