A Modern, Compact Low-carbon
Alternative to a Hot Water Cylinder

Sunamp heat battery for hot water uses patented Phase Change Materials to make homes and buildings more energy-efficient and sustainable while reducing carbon emissions.

Energy Efficient

Saving You Money

Made In The UK

10-Year Guarantee

Space Saving

Suitable For Any Size Home

Reduced Running Costs

Instant Hot Water, Lower Bills

Sunamp Thermal Store For Hot Water

Sunamp heat batteries are energy-saving thermal stores that efficiently store heat for hot water and on demand. Up to 4x more compact than traditional hot water cylinders and with far lower heat losses, they are easy to install and compatible with a wide choice of energy sources including heat pumps, solar PV systems and boilers. Sunamp is the ideal alternative to large, greedy, traditional hot water cylinders.

Sunamp thermal energy storage technology uses patented Phase Change Materials to make homes and buildings more energy efficient and sustainable, while reducing carbon emissions.

Sunamp Thermino Heat Batteries - Efficient Hot Water Solutions for Your Home

Sunamp heat batteries can be charged with large amounts of energy from renewable and other sources, and released to deliver hot water, cooling and space heating on demand across a wide range of temperatures, and for a wide range of residential and industrial applications.

The company’s range of compact heat batteries for the residential market provides a low carbon, reliable, space-saving alternative to traditional hot water cylinders, safely cutting energy consumption and fuel costs.

Sunamp Hot Water Storage Benefits

Stores 4x More Energy Than Water

The unique Plentigrade formula stores thermal energy at a lower cost and higher efficiency than other battery technologies.

It stores up to four times more energy than water which means our Sunamp thermal batteries are up to four times smaller than traditional hot water cylinders.

Others have tried, but no-one before has succeeded in perfecting Sunamp’s combination of low-cost materials, exceptional long-life, recyclability, safety and high energy density.

Sunamp thermino range of heat batteries 3 scaled
Sunamp Diagram
Sunamp Thermino Cross Section

All subject to 10-year manufacturer’s warranty.

Sustained With Plentigrade

Sunamp thermal batteries are energy saving thermal stores containing Plentigrade: A high-performance phase change materials (PCMs) that deliver heating or cooling reliably, safely and efficiently.

This breakthrough technology was created in collaboration with the University of Edinburgh, ranked among the top 20 universities in the world, and the UK’s national synchrotron particle accelerator, Diamond Light Source.

Plentigrade is the remarkable PCM inside Sunamp thermal batteries which absorbs and releases thermal energy during a melting and freezing process in a similar way to the gel in a pocket handwarmer.

Freezing releases a huge amount of energy in the form of latent heat at a constant temperature.

Plentigrade guarantees high energy output and an almost unlimited lifespan, yet its composition remains unchanged. Sunamp hold multiple patents for Plentigrade PCMs.

Sunamp Thermino Range & Equivalent Capacities

Complete Our Short Quiz To Find Out Which Sunamp Thermal Storage Solution is Best For Your Home

Sunamp heat battery for hot water uses patented Phase Change Materials to make homes and buildings more energy efficient and sustainable, while reducing carbon emissions. Given that the majority of our home energy usage goes towards producing heat, Sunamp’s instant hot water heater provides you with a more compact, more cost effective, low carbon solution to heating your water.

Sunamp Water Heater

Instant Hot Water Heater With A Thermal Store

Given that the majority of our home energy usage goes towards producing heat, Sunamp’s instant hot water heater provides you with a more compact, more cost effective, low carbon solution to heating your water.

Our thermal heat store can be charged using any energy source, including renewable energy. You can off-set peak energy costs by charging your thermal heat store with cheaper off-peak electricity, or divert energy from your solar PV, heat pumps or other renewable sources. Once charged, the heat can be released instantly when needed, delivering hot water during peak times.

As a unique ERP A+ rated system and available sizes and capacities to perfectly suit your exact hot water requirements and specific property size.

Faucet
Hall cupboard with Thermino and towels

Features and Benefits of Sunamp Heat Batteries

Sunamp FAQ'S

What size is a Sunamp Thermino Heat Battery?
There are four different sizes, 70L, 150L, 210L and 300L.
What size heat battery do I need?
This depends on a number of factors such as number of occupants in the property and how many baths, showers and sinks there are. A free survey will identify which is best suited for your needs.