Top 4 Smart Thermostat startups

Updated: Nov 04, 2025
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These startups develop intelligent and connected thermostat solutions that optimize heating and cooling systems, learn user preferences and enable remote control and automation, resulting in energy savings.
1
tado
Country: Germany | Funding: $250.1M
Tado° offers smart thermostats and apps that adjusts to the real-time behavior of residents in private homes and small businesses.
2
ecobee
Country: Canada | Funding: $149.4M
Ecobee is a provider of Wi-Fi enabled smart thermostats comes with Amazon's Alexa voice assistant built in for residential and commercial applications.
3
Vilisto
Country: Germany | Funding: €5M
Vilisto’s flagship product is an intelligent, self-learning and fully automatic heating thermostat for non-residential buildings, with proven savings of more than 32%.
4
eCozy
Country: Germany | Funding: $806.3K
eCozy wants to eliminate the user's pain of setting up a digital thermostat, maintain comfortable and price-reasonable heating regimes. eCozy’s ergonomic shape & form makes it a long-lasting solution for years.
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Alexander Gillet
Editor: Alexander Gillet
Alexander Gillet is a senior editor for EnergyStartups. He has a deep background in energy sector and startups. Alexander graduated from Emlyon Business School, a leading French business school specialized in entrepreneurship. He has helped several non-profit organizations dedicated to promoting environmental education and sustainability and has written over 250 articles on energy technology for various websites. In his free time, Alexander enjoys yoga, camping and exploring the Blue Ridge Mountains. You can contact Alexander at alexgillet(at)energystartups(dot)com