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Top 10 Energy-efficient heating startups in USA
Feb 23, 2025 | By Alexander Gillet | 28 |
1
Funding: $266.6M
BlocPower is offering smart, all electric heating, cooling, and hot water systems to building owners for no money down.
BlocPower is offering smart, all electric heating, cooling, and hot water systems to building owners for no money down.
2
Funding: $230M
Nest Labs is a home automation producer of programmable, self-learning, sensor-driven, Wi-Fi-enabled thermostats, smoke detectors, and other security systems. It develops Nest Learning Thermostat and other smart home products. Acquired by Google.
Nest Labs is a home automation producer of programmable, self-learning, sensor-driven, Wi-Fi-enabled thermostats, smoke detectors, and other security systems. It develops Nest Learning Thermostat and other smart home products. Acquired by Google.
3
Funding: $162.3M
Rondo Energy invented new, surprisingly simple solution to the critical need for low cost, zero-carbon heat.
Rondo Energy invented new, surprisingly simple solution to the critical need for low cost, zero-carbon heat.
4
Funding: $134.5M
Dandelion is an Alphabet spinout that develops geothermal heating, air-conditioning and cooling systems
Dandelion is an Alphabet spinout that develops geothermal heating, air-conditioning and cooling systems
5
Funding: $97.5M
Sealed covers the upfront costs to install energy-saving upgrades like insulation, smart tech, and HVAC to make your house feel like new.
Sealed covers the upfront costs to install energy-saving upgrades like insulation, smart tech, and HVAC to make your house feel like new.
7
Funding: $35.9M
Radiator Labs invented Cozy - a wireless, low-cost and easily installed retrofit that drops on top of steam heat radiators, providing a solution to the chronic problem of uneven heating in apartment buildings. Installation throughout a building can save up to 45 percent in heating costs and reduce GHG emissions by an average of 25 percent.
Radiator Labs invented Cozy - a wireless, low-cost and easily installed retrofit that drops on top of steam heat radiators, providing a solution to the chronic problem of uneven heating in apartment buildings. Installation throughout a building can save up to 45 percent in heating costs and reduce GHG emissions by an average of 25 percent.
8
Funding: $20.5M
Bedrock Energy develops drilling technology and advanced subsurface simulation software to enable geothermal heating and cooling.
Bedrock Energy develops drilling technology and advanced subsurface simulation software to enable geothermal heating and cooling.
9
Funding: $10.8M
Harvest Thermal develops a control system for home use that integrates heating, hot water, and cooling with thermal storage.
Harvest Thermal develops a control system for home use that integrates heating, hot water, and cooling with thermal storage.
10
Funding: $6.3M
Cala Systems manufactures the world's first intelligent heat pump water heater.
Cala Systems manufactures the world's first intelligent heat pump water heater.
11
Funding: $4.5M
Shifted Energy enable electric water heaters to consume excess renewable energy and provide grid services.
Shifted Energy enable electric water heaters to consume excess renewable energy and provide grid services.
12
Funding: $1M
TTC Energy develops technology to generate an alternative fuel using wood chips.
TTC Energy develops technology to generate an alternative fuel using wood chips.
13
Onsemble is a tool built for the modern homeowner to make the electric choice the easy one: an app that helps you seamlessly navigate the incentive and contractor landscape, replacing your old gas-burning appliance with the electric alternative.
