Meet our award-winning Thermino heat batteries

Space-saving

On-demand hot water

Works with renewables

Low heat losses
Upgrade your hot water system with a space-saving, super-efficient Thermino heat battery.
The systems are up to four times smaller than a conventional hot water cylinder because they’re filled with our patented energy-dense phase change material, Plentigrade
Join thousands of households across the world who have already switched to our award-winning Thermino for reliable, mains-pressure hot water, powered by low-carbon energy.
Get the latest insight in our blogs

Hot water cylinder vs Thermino heat battery
Find out about the advantages and disadvantages of hot water cylinders, and see how a Thermino could be the ideal space-saving, super-efficient alternative.

A homeowner's experience: Why I chose a heat battery
Find out why homeowner Michael Eve chose a Sunamp heat battery instead of a hot water cylinder to provide hot water for his 1970s detached house.

Which Thermino heat battery is right for you?
Find out which of the latest compact, future-proofed Thermino batteries would work best to replace your hot water cylinder – the ePlus or the xPlus.