Dimplex Edel Heat Pumps

The Dimplex Edel is an integrated air source heat pump hot water cylinder. It extracts heat from outside air (via ducting) using a compressor on top of the cylinder and transfers it to the stored water — delivering over 300% efficiency compared to direct electric heating. It includes a backup immersion heater and smart app control. Ideal for off-gas homes looking for lower running costs and carbon emissions. Read our blog for an in depth look at Edel heat pumps and how they work.

Domestic hot water heat pumps, like the Dimplex Edel, offer several major advantages over traditional electric immersion heaters, gas boilers, or standard hot water cylinders:

Exceptional energy efficiency — With a Coefficient of Performance (COP) of up to 3.43, they deliver over 300% efficiency. This means for every 1 unit of electricity used, you get more than 3 units of heat — typically using up to 70-75% less electricity than a conventional immersion heater. You can find out more about the cost of running an air source heat pump in our blog

Significantly lower running costs — Many UK households see substantial savings on their hot water bills, especially in homes without mains gas connections. When paired with solar PV or off-peak tariffs, savings are even greater.

Lower carbon emissions — They’re a low-carbon renewable technology that reduces your household’s CO₂ footprint and can help improve your home’s EPC rating.

Quiet & compact design — Modern units like the Edel operate very quietly (as low as ~36 dB(A)) and fit neatly in cupboards, utility rooms, or lofts.

Smart features & reliability — App control, backup immersion heater and consistent hot water supply make them practical for everyday family use.

Government support — Eligible installations can access the Boiler Upgrade Scheme grant (currently £7,500), which significantly reduces upfront costs.

Overall, they’re an excellent long-term solution for energy-efficient, sustainable hot water — particularly for homes without mains gas.

Choose based on household size: 170L suits 1–3 bedrooms or apartments; 200L is ideal for most 3–4 bedroom homes; 270L works best for larger families with high hot water demand. Our comparison table above provides full details on dimensions and suitability.

With a COP of up to 3.43, the Edel is highly efficient, using roughly one-third the electricity of a traditional immersion heater. Exact running costs depend on usage and tariffs but typically offer substantial savings versus direct electric systems. Pairing with solar PV further reduces costs.

Yes — the Edel is specifically designed for properties without mains gas. It provides an excellent renewable hot water solution using only electricity and outside air.

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