An energy-efficient and affordable heating solution
Cooll’s thermally driven heat pump replaces the condensing boiler in existing or new homes. It is powered by natural gas or hydrogen and compatible with both high- and low-temperature heating. It achieves a reduction on gas usage and CO2 emissions of 25-40% without increasing electricity consumption.
How does our technology work?
A unique feature of our patented technology is the compression of refrigerant with a heat-driven adsorption compressor. The required heat comes from burning gas or hydrogen. To quickly understand how it works and why it sets us apart from our competitors, we’ve created the short video below.
Adsorption heat pump at The Green Village
We are currently testing our thermally driven heat pump at The Green Village, a regulation-free ‘open-air laboratory’ on TU Delft Campus. Our focus lies on gas savings, ease of installation and improving robustness. The DreamHûs field test forms the basis for our upcoming hydrogen pilot. Co-founder Stefan van Uffelen tells you more about it in the video below.
What is our target audience?
The past 20 years have been all about development. Our technology has now advanced to such an extent that it’s ready for commercialisation. We don’t want to go to mass production ourselves. Instead, we’re searching globally for partners to cooperate or implement our certified technology.
HVAC professionals
We are looking for HVAC companies that produce condensing boilers or heat pumps, but see added value in the implementation of our thermally driven heat pump technology into their line of products.
Capital investors
We’ve been funded by our founders, informal investors, private investors, Dutch grants and European subsidies. To scale up in Europe, the United States and Asia, we’re looking for additional capital.
Governments
We would like to get in touch with governmental bodies which have defined concrete targets to reduce carbon emissions but want to achieve those with minimal impact on the electricity grid.
What’s going on at Cooll?
Press releases, pilot project and recent developments: you’ll read all there is to know about us here.
Cooll secures € 4.5M funding for market introduction
Cooll is proud to announce a major step forward by securing € 4.5 million of funding to enable market introduction of its Thermally Driven Heat Pump technology. The funding is composed of the Dutch EFRO and Canadian NGIF subsidies, as well as follow-on investments from existing shareholders and new investors.
Consumer case: sustainable heating of a historic home
For many owners of heritage or monumental buildings, heating their homes efficiently and sustainably is a significant challenge. Proper insulation is often difficult or extremely costly, conventional heat pumps don’t meet the heat demand and/or high temperatures required, and outdoor units are either not allowed or aesthetically undesirable. Yet, these homes still need reliable, comfortable heating - preferably with lower gas consumption and lower impact on the environment. That’s the real “job to be done” for people like Leo van de Wouw.
Cooll appoints Sicco Rust as CEO
As Cooll enters its next phase of growth, we are excited to welcome Sicco Rust as our new CEO per 2026. We've asked him a couple of questions so you can get to know a little more about him.
