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About Us

Sunamp designs, produces and sells non-toxic, compact highly efficient modular Heat Batteries that use non-toxic Phase Change Material (PCM) to store heat energy for a wide range of applications including energy efficiency, grid balancing and renewable energy.

Sunamp has immense growth potential not only in the Built Environment in the UK but also many other industry sectors and worldwide markets. Sunamp Heat Batteries make sense for all customers who want to make their energy systems work better and deliver higher yield.

Sunamp Heat Batteries are a packaged store of heat energy using Phase Change Materials (PCMs). They are scalable and can be tailored to specific applications from large-scale industrial use to household and to compact automotive solutions. Sunamp Ltd is based near Edinburgh


This is a system that uses excess electricity from a Solar PV array to provide hot water without the need for an immersion heater or hot water tank. It does this by electrically charging heat batteries inside the SunampPV. Instantaneous hot water is available on demand for direct customer use or as a preheat to a combi boiler, saving up to £418 per year from the customer’s energy bills (on top of the Feed In Tariff, if applicable).

Business size

26-100 employees