Heat Pump Installers in Watford, Hertfordshire
Watford has 7 MCS-certified heat pump installers — 13% of the Hertfordshire total. Almost all — 6, or 86% — are Boiler Upgrade Scheme registered, which means the £7,500 comes straight off the price. Every firm listed fits air source heat pumps.
Grants in England
£7,500 off a heat pump in Watford
£9,000 for homes off the gas grid heated by oil or LPG, until 31 March 2027.
- £7,500 off an air-to-water or ground/water source heat pump, £2,500 off air-to-air, £5,000 off a biomass boiler.
- £9,000 where the property is off the gas grid with no gas meter point and currently heated by oil or LPG — this uplift runs 21 July 2026 to 31 March 2027.
- Your MCS-certified installer applies and takes the grant off the quote up front. You never receive the money yourself.
- No valid EPC needed since 28 April 2026: where there isn't one, your installer supplies a utility bill or fuel receipt from the last three months plus photos of the existing heating.
On a lower income? The Warm Homes: Local Grant is council-run and fully funded for homes rated EPC D to G where household income is usually £36,000 or less.
7 installers based in Watford
Watford, Hertfordshire4.4(320 reviews)
Air Source heat pump installer
BUS MCSAir Source
Watford, Hertfordshire3.1(29 reviews)
Air Source heat pump installer
BUS MCSAir Source
Watford, Hertfordshire4.1(13 reviews)
Air Source heat pump installer
BUS MCSAir Source
Watford, Hertfordshire5.0(5 reviews)
Air Source heat pump installer
BUS MCSAir Source
Watford, Hertfordshire
Air Source heat pump installer
BUS MCSAir Source
Watford, Hertfordshire
Air Source heat pump installer
BUS MCSAir Source
Watford, Hertfordshire4.4(72 reviews)
Air Source heat pump installer
MCSAir Source
Other towns in Hertfordshire
Heat pump questions in Watford
- How many heat pump installers are there in Watford?
- 7 MCS-certified firms are based in Watford itself, and 46 more across the rest of Hertfordshire will usually travel to quote. Carbon Rewind Ltd is the most reviewed locally with 320 Google reviews.
- Can I get the Boiler Upgrade Scheme grant in Watford?
- Yes. Watford is in England, where the Boiler Upgrade Scheme gives £7,500 off an air-to-water or ground source heat pump (£2,500 off air-to-air, £5,000 off biomass). Your MCS-certified installer applies and deducts it from the quote, so you never handle the money. Homes off the gas grid heated by oil or LPG get £9,000 between 21 July 2026 and 31 March 2027. Lower-income households in England may qualify for the fully funded Warm Homes: Local Grant through their council instead.
- Should I use a Watford installer or one from elsewhere in Hertfordshire?
- A local firm is easier to get a survey from and quicker for aftercare, but pricing is set by the job, not the postcode. Get a quote from at least one Watford installer and one from elsewhere in Hertfordshire, and make sure both are Boiler Upgrade Scheme registered if you want the grant deducted.
- Do I need an EPC to get a heat pump grant in Watford?
- Not any more. Since 28 April 2026 a valid EPC is no longer required to apply for the Boiler Upgrade Scheme. If your home doesn't have one, your installer instead supplies a utility bill or fuel receipt dated within the last three months plus photographs of the existing heating system. (The council-run Warm Homes: Local Grant in England still uses the EPC — it's for homes rated D to G.)
Nearby counties
All 53 installers in Hertfordshire · All counties · Boiler Upgrade Scheme guide