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Introducing the HotStack:
A low carbon heat pump solution for industry

Introducing the HotStack 300:
A low carbon heat pump solution for industry

Introducing the HotStack:
A low carbon heat pump solution for industry


Introducing the HotStack 300:
A low carbon heat pump solution for industry

€250k

/year

saved in energy bills versus using a traditional boiler for a typical facility.

1,500

TCO₂/year

avoided per MW of installation.

4x

more energy efficient than a traditional boiler.

*Numbers provided are estimates based on projected product performance and operational data from a typical facility.

*Numbers provided are estimates based on projected product performance and operational data from a typical facility.

HotGreen has developed a new class of industrial heat pumps that are a direct replacement of a traditional boiler.

HotGreen has developed a new class of industrial heat pumps that are a direct replacement of a traditional boiler.

HotGreen has developed a new class of industrial heat pumps that are a direct replacement of a traditional boiler.

Reduce your energy bill by 30%

Our ultra-efficient technology supports lower energy costs and greater price stability through electrification.

Reduce your energy bill by 30%

Our ultra-efficient technology supports lower energy costs and greater price stability through electrification.

Reduce your energy bill by 30%

Our ultra-efficient technology supports lower energy costs and greater price stability through electrification.

Reduce your energy bills by 30%

Our ultra-efficient technology supports lower energy costs and greater price stability through electrification 

Join our waitlist now for 2027 and 2028 deployments

Join our waitlist now for 2027 and 2028 deployments

Join our waitlist now for 2027 and 2028 deployments

Join our waitlist now for 2027 and 2028 deployments

Join our waitlist now for 2027 and 2028 deployments

Join our waitlist now for 2027 and 2028 deployments

Join our Waitlist

At the heart of the HotStack is the IsoStack compressor

At the heart of the HotStack is the IsoStack compressor

Ultra-high efficiency compression cycle



Single stage compression for a full 110˚C temperature lift lowers capex costs

10-to-100% turndown capacity that flexes to your manufacturing schedule

Modular, stackable system adjustable for small to large scale processes

Get in touch

If you're interested in finding out more about our technology or how we could work together, we'd love to hear from you.

Get in touch

If you're interested in finding out more about our technology or how we could work together, we'd love to hear from you.

Get in touch

If you're interested in finding out more about our technology or how we could work together, we'd love to hear from you.