Top list · Worldwide
Heat pump startups worldwide
30 heat pump startups worldwide have raised money in rounds we track. These are the 30 that have raised the most, $792M between them, with the United Kingdom the most common home.
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ElvyElvy is a Stockholm-based energytech startup founded in 2023, specializing in AI-optimized, subscription-based home energy systems.Elvy is a Stockholm-based energytech startup founded in 2023, specializing in AI-optimized, subscription-based home energy systems.
Founded 2023Stockholm, Sweden$595Mlast round Oct 2026 - 2
Cala SystemsWe design, manufacture, and sell the world's first intelligent heat pump water heater.We design, manufacture, and sell the world's first intelligent heat pump water heater.
Founded 2020Boston, United States$24Mlast round Oct 2026 - 3
RendescoRendesco's mission is to transform the heating business by creating geothermal networks using ground-source heat pump technology.Rendesco's mission is to transform the heating business by creating geothermal networks using ground-source heat pump technology.
Founded 2012London, United Kingdom$21Mlast round Apr 2026 - 4Bradford EnergyBradford Energy offers an air source heat pump heat network.
Bradford Energy offers an air source heat pump heat network.
Founded 2021London, United Kingdom$20Mlast round May 2023 - 5
Zero HomesZero Homes is a technology company based in Denver, founded in 2021-2022.Zero Homes is a technology company based in Denver, founded in 2021-2022.
Founded 2021Denver, United States$17Mlast round Feb 2026 - 6
HeatTransformersHeatTransformers is a Netherlands-based technology company founded in 2018, focused on hybrid and all-electric heat pump solutions.HeatTransformers is a Netherlands-based technology company founded in 2018, focused on hybrid and all-electric heat pump solutions.
Founded 2018Woerden, Netherlands$16Mlast round Apr 2023 - 7
Kensa ContractingKensa Contracting is a consulting firm that design, supply, install, own and operate shared ground heat pumps for various projects.Kensa Contracting is a consulting firm that design, supply, install, own and operate shared ground heat pumps for various projects.
Founded 2012Truro, Cornwall, United Kingdom$14Mlast round Apr 2024 - 8
ecop Technologies GmbHecop Technologies GmbH is an Austrian clean-tech company founded in 2007, with its establishment in Vienna noted in 2011.ecop Technologies GmbH is an Austrian clean-tech company founded in 2007, with its establishment in Vienna noted in 2011.
Founded 2007Wiener Neudorf, Austria$12Mlast round May 2025 - 9
GALVANYGALVANY is a Green-Tech company based in Berlin that focuses on the heat transition.GALVANY is a Green-Tech company based in Berlin that focuses on the heat transition.
Founded 2021Berlin, Germany$12Mlast round Jun 2026 - 10
VamoVamo specializes in heat pumps and provides proficient guidance and planning, as well as rapid and easy installation.Vamo specializes in heat pumps and provides proficient guidance and planning, as well as rapid and easy installation.
Founded 2022Köln, Germany$7.6Mlast round Oct 2024 - 11
Montamomontamo is a Berlin-based technology-enabled services company founded in 2023 by Alexander Böhm and Ole Schaumberg.montamo is a Berlin-based technology-enabled services company founded in 2023 by Alexander Böhm and Ole Schaumberg.
Founded 2023Berlin, Germany$6.5Mlast round Mar 2025 - 12
EcovisionEcovision Renewable Energy designs and installs solar photovoltaics, heat pumps, biomass, solar thermal and underfloor heating services.Ecovision Renewable Energy designs and installs solar photovoltaics, heat pumps, biomass, solar thermal and underfloor heating services.
Founded 2006Tetbury, United Kingdom$6.0Mlast round Aug 2014 - 13
PoderoPodero is a clean energy software company based in Vienna, Austria, founded in 2022.Podero is a clean energy software company based in Vienna, Austria, founded in 2022.
Founded 2022Vienna, Austria$5.7Mlast round Feb 2025 - 14
EQUIUMEQUIUM is a French deep-tech company founded in 2017 and based in Saint-Herblain, specializing in acoustic heat pumps that utilize thermoacoustic technology.EQUIUM is a French deep-tech company founded in 2017 and based in Saint-Herblain, specializing in acoustic heat pumps that utilize thermoacoustic technology.
Founded 2017Saint-Herblain, France$5.4Mlast round Jan 2023 - 15
nuuEnergynuuEnergy is a German company based in Munich, specializing in heat pump installation and heating solutions.nuuEnergy is a German company based in Munich, specializing in heat pump installation and heating solutions.
Founded 2023Munich, Germany$5.1Mlast round Feb 2026 - 16
InstallioInstallio is a UK-based clean energy installation company focused on scaling heat pump and clean energy installations across the country.Installio is a UK-based clean energy installation company focused on scaling heat pump and clean energy installations across the country.
Founded 2024London, United Kingdom$3.8Mlast round Nov 2025 - 17
NuskuNusku makes home heating system using heat pump technology.Nusku makes home heating system using heat pump technology.
Founded 2022Bristol, United Kingdom$3.7Mlast round Oct 2026 - 18
EnergySageEnergySage is an online marketplace for energy systems, including rooftop solar, community solar, storage, and heat pumps.EnergySage is an online marketplace for energy systems, including rooftop solar, community solar, storage, and heat pumps.
Founded 2009Boston, United States$3.5Mlast round May 2015 - 19
AirthiumAirthium is a French deeptech-greentech startup founded in March 2016, based in Villebon-sur-Yvette, near Paris.Airthium is a French deeptech-greentech startup founded in March 2016, based in Villebon-sur-Yvette, near Paris.
Founded 2016Les Loges-en-Josas, France$3.2Mlast round Mar 2024 - 20
ThermoLiftThermoLift is developing a disruptive and transformational thermally driven heat pump for heating coolingThermoLift is developing a disruptive and transformational thermally driven heat pump for heating cooling
Founded 2012United States$2.8Mlast round Jul 2015 - 21
SensiboSensibo is a technology company focused on smart home climate control solutions.Sensibo is a technology company focused on smart home climate control solutions.
Founded 2014Redwood City, United States$2.6Mlast round Sept 2016 - 22
TarnocTarnoc's mission is to accelerate the energy transition to sustainable heating of households.Tarnoc's mission is to accelerate the energy transition to sustainable heating of households.
Founded 2019Delft, Netherlands$1.4Mlast round Jun 2025 - 23
NOX EnergyNOX Energy is a Belgian-American startup founded in 2024, dedicated to enhancing energy efficiency by connecting devices like heat pumps to electricity markets.NOX Energy is a Belgian-American startup founded in 2024, dedicated to enhancing energy efficiency by connecting devices like heat pumps to electricity markets.
Founded 2024Antwerp, Belgium$1.0Mlast round Dec 2024 - 24
DREMDREM, or Distributed Renewable Energy Movement, is a leading heat pump installer based in Sweden.DREM, or Distributed Renewable Energy Movement, is a leading heat pump installer based in Sweden.
Founded 2022Stockholm, Sweden$1.0Mlast round Nov 2024 - 25
Lumo EnergyLumo Energy Limited is a UK-based energy optimisation company focused on enhancing the value of residential solar, battery, EV charger, and heat pump systems.Lumo Energy Limited is a UK-based energy optimisation company focused on enhancing the value of residential solar, battery, EV charger, and heat pump systems.
Founded 2023Cambridge, United Kingdom$712Klast round Apr 2025 - 26
EasyServEasyServ develop a system that will allow the service company for heat pumpsEasyServ develop a system that will allow the service company for heat pumps
Founded 2014Halmstad, Sweden$551Klast round Apr 2019 - 27
Mutha CuvaMutha Cuva makes it simple to keep your heat pump running efficiently, your home warm, and your energy bills low.Mutha Cuva makes it simple to keep your heat pump running efficiently, your home warm, and your energy bills low.
Founded 2025Newcastle upon Tyne, United Kingdom$335Klast round Oct 2025 - 28
Hex EnergyHex Energy designs, installs, maintains, and monitors heat pump and solar systems.Hex Energy designs, installs, maintains, and monitors heat pump and solar systems.
Founded 2015Nuneaton, United Kingdom$313Klast round May 2023 - 29
FutraheatFutraheat is a pioneer in the revolutionary TurboClaw high temperature heat pump technology.Futraheat is a pioneer in the revolutionary TurboClaw high temperature heat pump technology.
Founded 2021Surbiton, United Kingdom$141Klast round Feb 2026 - 30
Lighthouse PoolsLighthouse Pools is the sole distributor of Zodiac Pool Care’s heat pumps.Lighthouse Pools is the sole distributor of Zodiac Pool Care’s heat pumps.
Founded 2010Plymouth, United Kingdom$52Klast round Dec 2014
Stockholm, Sweden
Boston, United States
London, United Kingdom
Woerden, Netherlands
Wiener Neudorf, Austria
Berlin, Germany
Saint-Herblain, France
Antwerp, BelgiumCompanies whose own description names this theme, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.
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