Hot Water, Ready When You Need It


Our air source hot water heater cylinders are designed for high-efficiency hot water delivery using renewable heat from the air. Perfect for any homes , these cylinders store and supply hot water with exceptional performance and low energy use.

water heater with heat pump

What Is an Air Source Hot Water Cylinder?

An air source hot water cylinder stores heated water produced by an air source heat pump (ASHP). Instead of burning fuel, the system extracts ambient heat from the outside air and uses it to heat water for showers, taps, or central heating systems.

  • Energy-efficient, low-carbon water heating
  • Ideal for homes, apartments, and light commercial use
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hot water heater cylinder

Why Choose Our Water Heating?

✅ Reduce energy bills and carbon emissions
✅ Store hot water efficiently with minimal heat loss
✅ Designed for UK climates and homes
✅ Works day or night, all year round
✅ Compatible with renewable energy systems (solar, battery)

Air sourced hot water cylinders come with a powerful compressor built-in as standard, this enables faster water heat up times.

Hot water cylinders are simple to install. With plug and play functionality like an electric water heater, easy to install and replace.

Silent and efficient, our air sourced hot water cylinders operate at maximum capacity, heating your hot water without breaking ≤50dB(A).

Utilise ambient air or extract fresh air from outdoors, the air sourced hot wat cylinders have multiple ducting installation set-ups.

Our air sourced cylinders are highly efficient, only consuming 20% of electrical energy, and utilising 80% kinetic air energy, to create 100% hot water.

Set your cylinder to only operate during off-peak low-cost hours with Eco Power Mode, to further save on your electricity.

Water Cylinder Frequently Asked Questions

What size hot water cylinder do I need?

For most households, 200–300 litres is suitable. It depends on how many people live in the home and how much hot water is used daily.

How long does the water stay hot?

High-performance insulation ensures minimal heat loss, keeping water hot for many hours—often well into the next day.

Who Are They For?

Hot water cylinders are ideal for: New builds using renewable heating systems Retrofit projects replacing gas/oil tanks Homes upgrading to air source heat pumps Off-grid homes using solar or battery systems Social and affordable housing schemes

What are Key Features of Hot Water Cylinders?

Fast heat-up times for reliable hot water supply Thick insulation for minimal heat loss Large coil surface areas for optimal heat transfer Smart control compatibility with home energy systems Stainless steel or enamel-lined options for long life Sizes from 150L to 300L+ available

Installation & Support

We offer installation support across the UK.

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