
Best 5 Smart Thermostats Brands in 2025: Tested By Users
What is Smart Thermostat?
A smart thermostat is a device that allows users to control their home heating and cooling systems using internet-connected technology. Unlike traditional thermostats, smart thermostats can be managed remotely via smartphone apps, voice assistants, or automation settings. They often learn user preferences and behaviors over time to optimize energy usage, improve comfort, and reduce utility bills. Popular features include scheduling, geofencing, energy usage reports, and integration with other smart home devices.
Smart Thermostat Market Share Statistics
- Smart thermostat market size and share is projected to exceed USD 23 Billion by the year 2035 from USD 12 Billion in 2030.
- Global smart thermostat industry is expected to grow at 15% CAGR during the period from 2025 to 2035.
- The smart thermostat valued at USD 5.1 Billion in 2024 is expected to reach around USD 6 Billion in 2025.
Types of Smart Thermostat:
- Learning Thermostats
- Programmable Smart Thermostats
- Zoned Smart Thermostats
- Voice-Controlled Thermostats
- Wi-Fi-Enabled Thermostats
Best 5 Smart Thermostats Brands
- Ecobee
Founded: 1 January 2007
President: Greg Fyke
Parent organization: Generac
Headquarters: Toronto, Ontario, Canada
Ecobee is a Canadian-founded home automation company that makes smart thermostats, temperature, and occupancy sensors, smart light switches, smart cameras, and contact sensors.[2] They were acquired by the American company Generac Holdings in 2021.
- Google Nest Learning Thermostat (4th Gen)
Date founded: 2010
Owner: Alphabet Inc.
Parent: Google LLC
Headquarters: Palo Alto, California, United States
Google Nest is a line of smart home products including smart speakers, smart displays, streaming devices, thermostats, smoke detectors, routers and security systems including smart doorbells, cameras and smart locks.
- Sensi Smart Thermostat
Founded: 2014
Parent Company: Emerson
Headquarters: St. Louis, Missouri
Sensi, a brand of smart thermostats and connected home solutions, is a part of Emerson. It was introduced by Emerson in 2014, with the first Sensi Wi-Fi thermostat. The larger company, Emerson, was founded in 1890.
- Sinopé Smart Thermostat
Founded: 2007
Parent Company: Sinopé Technologies
Headquarters: St-Jean-sur-richelieu, Québec, Canada
Sinopé Technologies is Canada’s largest manufacturer specializing in designing smart home devices as well as energy and safety management solutions for residential and multi-residential use.
- Cielo Wigle
Founded: 2014
Headquarters: Bellevue, Washington
Cielo WiGle Inc. is a pioneer US company and a market leader in the segment of smart thermostats for mini splits. In 2023, Cielo successfully launched its first smart thermostat for central system, creating waves in the industry.
Cielo smart home climate control products offer control from anywhere, weekly scheduling of home temperature, Comfy Mode, presets, location-based controls, usage history, live air filter status, action audits, and much more.
Conclusion:
Smart thermostats are revolutionizing how we manage home climate control, offering enhanced comfort, energy efficiency, and remote accessibility. With various types tailored to different needs—ranging from learning models to zoned systems—these devices are a key component of modern smart homes. As technology continues to evolve, companies are driving innovation to make heating and cooling smarter, more sustainable, and user-friendly. Investing in a smart thermostat not only lowers energy bills but also supports a more connected and eco-conscious lifestyle.