6 Best Heat Pump Startups to Watch in 2026

The Definitive Seedtable Ranking of Heat Pump Startups

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 6 start-ups with an aggregate funding of $92.5m. The average funding per company in this subset is $15.4m.

Last update to the database: Feb 24, 2026. See changelog.

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1

Funding Rounds

$9.0m

Money raised

Quilt is building a ductless AI-driven heat pump system for the home.

Key people:

2

Funding Rounds

$25.9m

Money raised

Thermondo is a heat pump installer founded in 2013 by Philipp Pausder.

Location:

Key people:

$1.1m

Money raised

DREM is a green home heating solutions provider founded in 2022 by Hannes Palm, David Sennerlöv and Babak Tighnavard .

1

Funding Rounds

$7.6m

Money raised

Vamo is a sustainable heat pump manufacturer founded in 2022 by Jan Ossenbrink.

Location:

Key people:

1

Funding Rounds

$5.0m

Money raised

nuuEnergy is a provider of heat-pump installation services founded in 2023 by Tobias Klug.

Location:

Key people:

1

Funding Rounds

$44.0m

Money raised

Qvantum is a heat pump manufacturer for sustainable cities founded in 1993.

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