Top 10 Energy-efficient cooling and air-conditioning 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: $214.9M
Phononic innovates solid state semiconductor solutions that displace compressors, heat sinks and fans for cooling & heating
3
Funding: $134.5M
Dandelion is an Alphabet spinout that develops geothermal heating, air-conditioning and cooling systems
4
Funding: $132M
Ice Energy develops Ice Bear - thermal energy storage for air conditioning, that is lowering electric bills for businesses and homeowners, and reducing CO2 emissions.
5
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.
6
Funding: $17.7M
​Infinite Cooling's mission is to provide novel technology to enable water-sustainable thermoelectric power. Its technology reduces water consumption in evaporative cooling tower systems by over 20% by capturing water from cooling tower plumes
7
Funding: $10.1M
Axiom Exergy transforms the world's cooling systems into intelligent, cloud-connected batteries.
8
Funding: $9.3M
Skycool Systems is improving the efficiency of all cooling systems by harnessing an untapped renewable resource. It's panels turn the sky into a renewable resource and reduce the electricity use of air conditioning and refrigeration systems
9
Funding: $9M
Quilt is building a sleek and AI-driven ductless heat pump system for the home.
10
Funding: $1M
Breezi builds wireless devices that enable homeowners to detect problems with their HVAC systems before they become severe.
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11
Funding: $750K
NETenergy is a thermal energy storage company that is creating a thermal battery designed to offset peak electricity load.
12
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.