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Germany · Vaillant

Vaillant heat pumps from £1,000 after grant

Heat Geek Elite-designed Vaillant air-source installation in Staffordshire. BUS grant handled. MCS certified. COP up to 5.09.

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Heat Geek Elite·Octopus partner·MCS 162733·Gas Safe 635521·4.9★ Trustpilot·23 years local
Why Vaillant?

Germany engineering, designed for UK homes.

Vaillant is one of the most established names in UK heating, and their aroTHERM plus range represents the cutting edge of air source heat pump technology. Using R290 (propane) as a natural refrigerant with a global warming potential of just 3, these are among the most environmentally responsible heat pumps available. As Vaillant approved installers, we can offer extended warranties and priority support.

  • R290 natural refrigerant — GWP of just 3 (vs 675 for R32)
  • Quietest heat pump in its class at just 52dB(A)
  • COP up to 5.09 — market-leading efficiency
  • Compact, wall-mountable design saves garden space
  • Full integration with Vaillant smart controls
  • 10-year warranty available through approved installers
Key specifications
  • RefrigerantR290 (natural propane)
  • Max Flow Temp75°C
  • Max COP5.09
  • MCS ListedYes
  • BUS Grant EligibleYes (£7,500)
The Vaillant range

Prices include installation and MCS certification.

£7,500 BUS grant deducted where eligible. Final number confirmed after heat loss survey.

aroTHERM plus 5kW
Monobloc · 3–5 kW
  • COP up to 5.09
  • Up to 75°C
  • 52 dB(A)
  • Up to 10 years
  • Smaller well-insulated homes (1–2 beds)
£1,000after grant
Full price from £8,500 · Install included
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Most popular
aroTHERM plus 7kW
Monobloc · 5–7 kW
  • COP up to 4.85
  • Up to 75°C
  • 54 dB(A)
  • Up to 10 years
  • Average semi-detached homes (2–3 beds)
£2,000after grant
Full price from £9,500 · Install included
Quote this model
aroTHERM plus 12kW
Monobloc · 8–12 kW
  • COP up to 4.50
  • Up to 75°C
  • 56 dB(A)
  • Up to 10 years
  • Larger detached homes (4–5 beds)
£3,500after grant
Full price from £11,000 · Install included
Quote this model
Before any Vaillant

A heat loss survey confirms Vaillant is the right fit.

£250 for a room-by-room assessment. Refunded in full against the install. If Vaillant isn't the best match, we'll tell you which brand is.

Book a survey — £250How surveys work
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Questions?

Vaillant heat pumps, answered.

R290 (propane) has a GWP (Global Warming Potential) of just 3, compared to 675 for R32 used in most competitors. This makes Vaillant heat pumps the most environmentally responsible option. The charge is also very small — typically under 1kg.
At 52 dB(A), the aroTHERM plus is one of the quietest heat pumps available — roughly the volume of a quiet conversation. It easily meets UK planning noise requirements.
With a maximum flow temperature of 75°C, the aroTHERM plus can work with most existing radiator systems. However, for best efficiency we recommend running at 35–45°C with appropriately sized radiators after a heat loss survey.
Through approved installers like us, Vaillant offers up to 10 years warranty. Standard manufacturer warranty is 5 years, extended to 7 or 10 through the approved installer programme.
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Fixed price in 90 seconds. Grant handled. No home visit to get a real number.

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