Welcome to Chelmer Heating Solutions

Thermal Store Heating Systems

Chelmer have been providing complete renewable heating and hot water solutions to home builders and installers for over 20 years.

We use products from our extensive portfolio of thermal stores, underfloor heating, heat pumps, boilers and solar thermal collectors to design and supply integrated systems tailored to each of our customers' individual requirements.

Our unique range of high-performance thermal store cylinders which includes our Chelmer Ecocat thermal store cylinder have been designed to seamlessly integrate multiple heat inputs, such as a boiler, solar and a wood burning stove, into a single, elegant heating and hot water solution.

All our packages include bespoke system designs, comprehensive manuals and free technical assistance for installers, as well as being covered by an insurance-backed design guarantee.


A-Rated Efficiency Built-In

A Rated Pumps and Boilers

Chelmer's underfloor heating, solid fuel stove connection kit and range of boilers all include self-modulating A-Rated pumps to adapt to varying system demands and reduce running costs.

In addition, our selected boilers are SEDBUK A-Rated for efficiency.


Trusted Brands

Chelmer's product portfolio is comprised of items selected with performance, efficiency and total cost-of-ownership in mind. Our system components are also manufactured by leading UK brands, including:

Worcester Bosch Gas LPG BoilersDanfoss Ground Source Heat PumpsGrant Condensing Oil BoilersHeatmiser Network ThermostatsTelford Stainless CylindersGrundfos A-Rated PumpsBaxi Multiheat and Solo Innova Biomass BoilersEmmeti Underfloor Heating Pipe and ManifoldsOventrop Solar Thermal Systems