Top 10 Energy-efficient heating startups in USA

Updated: April 22, 2024

1
Funding: $266.6M
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.
3
Funding: $134.5M
Dandelion is an Alphabet spinout that develops geothermal heating, air-conditioning and cooling systems
4
Funding: $83.5M
Sealed covers the upfront costs to install energy-saving upgrades like insulation, smart tech, and HVAC to make your house feel like new.
5
Funding: $82M
Rondo Energy invented new, surprisingly simple solution to the critical need for low cost, zero-carbon heat.
6
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.
7
Funding: $10.8M
Harvest Thermal develops a control system for home use that integrates heating, hot water, and cooling with thermal storage.
8
Funding: $9M
Quilt is building a sleek and AI-driven ductless heat pump system for the home.
9
Funding: $4.5M
Shifted Energy enable electric water heaters to consume excess renewable energy and provide grid services.
10
Funding: $1M
TTC Energy develops technology to generate an alternative fuel using wood chips.
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11
Funding: $150k
Hank is enabling service providers and building owners to proactively manage HVAC costs, lower tenant complaints, and strengthen relationships with an AI-powered virtual building engineer.
12

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.