World leading thermal energy storage technologies


Sunamp designs and manufactures space-saving thermal energy storage solutions that make homes, buildings and vehicles more energy-efficient & sustainable while reducing carbon emissions and optimising renewables.

Public housing

See how to decarbonise domestic hot water in high-rise housing using our thermal batteries with heat pumps

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Housing development

See how domestic hot water is decarbonised in high-rise and low-rise housing with our proven heat batteries

Company news
Thermal storage manufacturer Sunamp has been honoured with the first ever King’s Award for Enterprise.
Commercial and industrial
For UK installers and stockists

Plumbers, installers, stockists and specifiers, visit Sunamp’s UK information hub to find installation instructions, technical leaflets and training sessions about our range of thermal batteries.

About us

Sunamp’s vision is of a world powered by affordable and renewable energy sustained by compact thermal energy storage. Our mission is to transform how heat is generated, stored and used to tackle climate change and safeguard our planet for future generations.

We’re a global company committed to net zero and headquartered in the United Kingdom. Recent expansion includes offices in New York and Zurich.

Latest news

Unvented hot water cylinders vs Sunamp heat batteries
Electric storage heaters in social housing: challenges & solutions
Low vs high-temperature heat pumps and the role they play in decarbonising heating and domestic hot water

Contact us

We would love to talk to you about how you can use Sunamp thermal batteries to improve energy efficiency and reduce carbon emissions.

Contact us