Top 13 HVAC startups in USA
Nov 07, 2025
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19
1
Funding: $9.5M
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
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
2
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.
3
Funding: $214.9M
Phononic innovates solid state semiconductor solutions that displace compressors, heat sinks and fans for cooling & heating
Phononic innovates solid state semiconductor solutions that displace compressors, heat sinks and fans for cooling & heating
4
Funding: $174.5M
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: $74.9M
75F is a predictive and proactive IoT-based building automation system that addresses HVAC, lighting, and equipment control needs.
75F is a predictive and proactive IoT-based building automation system that addresses HVAC, lighting, and equipment control needs.
7
Funding: $38.1M
Blue Frontier specializes in air conditioning systems designed for sustainability, comfort and energy storage. It's technology is based on liquid desiccants, which dehumidifies air.
Blue Frontier specializes in air conditioning systems designed for sustainability, comfort and energy storage. It's technology is based on liquid desiccants, which dehumidifies air.
9
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.
10
Funding: $12.7M
Flair makes smart vents and wireless thermostats and advanced software for residential heating and cooling.
Flair makes smart vents and wireless thermostats and advanced software for residential heating and cooling.
11
Funding: $12.8M
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.
12
Funding: $1M
Breezi builds wireless devices that enable homeowners to detect problems with their HVAC systems before they become severe.
Breezi builds wireless devices that enable homeowners to detect problems with their HVAC systems before they become severe.
13
Hydronic Shell Technologies provides HVAC and facade system to construction industry that enable energy retrofits.
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