Deliver low-carbon hot water without compromising space or layout
New build housing is entering a new regulatory phase. Developers are expected to deliver low-carbon heating, improve energy performance, and future proof homes for renewable energy.
At the same time, heating and hot water remain a major contributor to residential emissions, and domestic hot water alone accounts for around 18% of household energy use.
Delivering efficient, low-carbon hot water is now a core part of meeting compliance targets and improving overall dwelling performance.
Sunamp thermal batteries combine with renewables to deliver instant hot water and are a low carbon, reliable, space-saving alternative to traditional hot water cylinders.
Why Sunamp for private developers
Carbon reduction targets
Using Sunamp’s PCM thermal batteries to store heat from renewables for hot water improves the energy rating of the properties you develop.
Our batteries charge from renewable energy sources such as air-source heat pumps, ground-source heat pumps and photovoltaics (PV), as well as electricity from the grid.
This means Sunamp thermal batteries help address your project’s carbon emission reduction targets and relevant government legislation for energy and environmental performance of dwellings.
And householders enjoy hot water on demand while being energy efficient.
Save space and unlock better layouts
Maximizing usable space is critical in modern developments, particularly in apartments and high-density housing.
Thermino heat batteries are up to four times smaller than traditional hot water cylinders and fit where cylinders cannot, removing the need for large storage cupboards and freeing up valuable internal space.
Their sleek, super-compact design makes it easier to integrate low-carbon heating systems into space-constrained homes, while maintaining clean layouts and improving overall design flexibility.
10-year warranty
Our batteries come with a market-leading 10-year warranty on the heating element, making Sunamp the obvious choice for housebuilders and architects looking to retrofit existing hot water systems or specify new-build projects. Modular and scalable, the batteries can be connected in series or in parallel to increase heat storage capacity.
Proven in real housing developments
Whetstone development – Green Apartments, London
Award-winning net zero apartments in Whetstone use Sunamp heat batteries to harness solar PV for reliable hot water.
Sunamp thermal batteries contributed to significant carbon savings, with estimated reductions of over 7.6 tonnes of CO₂ in the first year and nearly 270 tonnes over 25 years compared to a gas combi system. Read more.
Croudace Homes – The Green Collection, Aylesford
Croudace Homes’ Green Collection development combines a range of low-carbon technologies, including PV slate roofs, air source heat pumps, underfloor heating, MVHR, wastewater heat recovery, eco-bricks and triple glazing.
Thermino xPlus heat batteries are installed across 32 homes, supporting low-carbon hot water delivery alongside these technologies. By pairing with air source heat pumps, Sunamp’s PCM technology enables efficient hot water without the need for bulky cylinders.