Delivering hot water on demand using a wide choice of energy sources. Discover Sunamp’s Thermino product range of easy-to-install, space-saving thermal batteries for domestic hot water systems.">Delivering hot water on demand using a wide choice of energy sources. Discover Sunamp’s Thermino product range of easy-to-install, space-saving thermal batteries for domestic hot water systems." />

For homeowners

Ensure access to instant hot water and be energy-efficient and eco-friendly at the same time

Whether you’re planning to improve your existing property or embark on a new build project, Sunamp’s space saving, eco-friendly, safe and efficient thermal batteries store heat to deliver instant, high-flow rate hot water for your home.

Saves space and cuts carbon emissions


Up to four times smaller than the average family’s hot water cylinder, our Thermino heat batteries can replace standard hot water cylinders and work with boilers, mains electricity, heat pumps and solar panels to reduce energy use and increase living space.

Thermino batteries come with a market-leading 10-year warranty. What’s more, our batteries are easy to install and require no routine maintenance.

Find out more


Have a look at our Thermino hot water product range and search our list of approved stockists and installers who can fit it for you.

Find a stockist or installer near you

Frequently asked questions

Product range

Warranty registration