Best DIY Thermostats

1. Sensi Smart Thermostat, 100 Years of Expertise, Wi-Fi, Data Privacy, Programmable, Easy DIY Install, Works with Alexa, Energy Star Certified, Mobile App, ST55

The Sensi Smart Thermostat combines 100 years of expertise with modern technology. It’s ENERGY STAR certified and works with Alexa.

Easy DIY installation means no hassle. No common wire is needed in most cases. Step-by-step app instructions guide you quickly.

Save about 23% on HVAC energy with smart features. Monitor your system’s performance and get maintenance reminders. Your data stays private—Sensi doesn’t sell it.

2. Sensi Lite Smart Thermostat, Programmable, WiFi, Easy DIY, Works With Alexa, ENERGY STAR Certified, ST25, Most Systems C-Wire Not Required, C-Wire needed with Heat/Cool Only & Heat Pump System – Black

The Sensi Lite Smart Thermostat is easy to install yourself. It works with most HVAC systems and does not require a C-wire for most setups. This ENERGY STAR-certified device helps you save about 23% on HVAC energy.

It protects your privacy by not selling your data. You can control it from anywhere using the top-rated mobile app on your phone or tablet.

3. New! Honeywell Home Programmable Thermostat, Single-Stage, 1 Heat/1 Cool Compatibility, 5-2 Day Schedule, X2P, White, RTH20B

The Honeywell Home Programmable Thermostat is easy to customize. You can set air filter reminders and display settings. It’s a direct replacement for older models like the RTH2300.

This thermostat lets you schedule in 5-2 day increments. It even has a non-programmable option. The large screen and clear font make it simple to use daily.

Installation is quick and easy with the Honeywell Home UWP wall plate. It works with 1 Heat/1 Cool systems and runs on 2 AA batteries.

4. Non-Programmable Thermostat for Home Single-Stage Systems, 1 Heat/1 Cool, Easy DIY Install, Blue Backlight

This non-programmable thermostat is easy to install and use. It works with single-stage systems for heating and cooling. The blue backlight makes it simple to read.

It’s compatible with many systems, like forced air and gas fireplaces. But it won’t work with heat pumps that have auxiliary heat or mini split systems.

You can power it two ways: 24VAC or AAA batteries. It has handy features like temperature calibration and energy optimization.

5. NonProgrammable Thermostat for Home, Digital Energy-Saving Thermostat,Single-Stage Systems, 1 Heat/1 Cool, Easy DIY Install, White Backlight

This non-programmable thermostat is a simple, energy-saving solution for your home. It works with many heating and cooling systems, like gas, oil, or electric furnaces. Before buying, check if it fits your system.

It’s easy to install and use, with large terminal blocks and a clear backlight display. You can set it up in 30 minutes and control it effortlessly.

Dual power options let you use 24VAC power or AAA batteries. It’s not for all systems, but it’s great for most homes.

6. ecobee Smart Thermostat Essential – Energy Star Certified programmable Wi-Fi Thermostat – Works with Siri, Alexa, and Google Assistant

The ecobee Smart Thermostat Essential is a programmable Wi-Fi thermostat that helps you save energy and cut costs. It works with Siri, Alexa, and Google Assistant for easy control.

It adjusts automatically to your schedule, saving up to 23% on heating and cooling. You can control it via the touchscreen or ecobee app. It’s compatible with 85% of systems and easy to install, even without a C Wire.

It works with most HVAC systems and smart home devices. Add SmartSensors for room-by-room monitoring. Enjoy free software upgrades and eco+ features for maximum savings.

7. NonProgrammable Thermostat for Home, Digital Energy-Saving Thermostat,Single-Stage Systems, 1 Heat/1 Cool, Easy DIY Install,White Backlight

This non-programmable thermostat is easy to install and saves energy. It works with single-stage heating and cooling systems, like gas or electric furnaces. The clear backlight display and simple controls make it user-friendly.

It cuts energy costs by keeping temperatures steady. The dual power supply lets you use 24VAC power or AA batteries. No common wire is needed for most setups.

8. Sensi Touch 2 Smart Thermostat with Touchscreen Color Display, 100 Years of Expertise, Programmable, Wi-Fi, Data Privacy, Easy DIY, Works with Alexa, Energy Star Certified, ST76, C-Wire Required

The Sensi Touch 2 Smart Thermostat makes home comfort simple and clear. It has a bright color touchscreen and smart features that fit your day.

It is easy to set up. It works with Wi‑Fi. It gives fast control from your phone.

You get strong privacy protection and smart energy tools that help cut costs. It also offers maintenance alerts to keep your system running well. This thermostat brings comfort, control, and peace of mind to your home.

9. Sensi Touch Smart Thermostat by Emerson with Touchscreen Color Display, Programmable, Wi-Fi, Mobile App, Easy DIY, Data Privacy, Works with Alexa, Energy Star Certified, ST75 – Black, C-Wire Required

The Sensi Touch Smart Thermostat by Emerson is a modern, energy-saving device for your home. It has a color touchscreen and works with Wi-Fi and mobile apps.

It’s easy to install yourself with clear instructions and illuminated terminals. It also protects your privacy by not selling your data.

Control your home’s temperature from anywhere. Save energy with smart features. Works with Alexa for added convenience.

10. Google Nest Thermostat – Smart Thermostat for Home – Programmable Wifi Thermostat – Snow

The Google Nest Thermostat is a smart, energy-saving device for your home. It’s ENERGY STAR certified, helping you stay comfortable while cutting costs.

It turns itself down when you’re away and lets you control the temperature from anywhere using your phone or tablet. You can also program a schedule easily in the Google Home app.

Works with voice commands, monitors your HVAC system, and suggests ways to save more energy. Simple to use and helps you live greener.