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[Sticky] Struggling to Find a Top Heat Pump Installer? We Can Connect You With the Best Installers in the UK

Mars · 2025-02-09T21:19:19Z

We know from homeowner’s posts and emails how stressful it can be to find a skilled and reliable heat pump installer in the UK. With so many options (and plenty of horror stories out there) it’s hard to know who to trust. That’s why we’ve been working hard to build an exclusive database of the very best heat pump installers in the country. These are professionals who consistently deliver high-quality installations and excellent customer service, so you don’t have to take a gamble on your investment. If you’d like me to connect you with a top installer in your area, drop me an email at editor@renewableheatinghub.co.uk and I’ll be happy to help. This is not a guarantee that they will undertake your project. This is simply a connection to the best installers we know. When contacting me, please can you provide the following details: Name Email Phone number Address

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Air Source Heat Pumps (ASHPs)

Last Post by Little Lights 1 hour ago

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JamesPa

(@jamespa)

Illustrious Member Moderator

Joined: 3 years ago

Posts: 4739

27/04/2026 5:10 pm

Posted by: @little-lights

↑

Oil: Approx 1,250 litres. Bit of a guesstimate. We supplement with electric heating and kettles for hot water when the oil boiler fails (not infrequent maybe approx. 2.5 weeks in total across the past year, in fits and starts, during the winter months).

OK thats indicative more of 4kW than 7kW, although given you let the house cool a lot and use supplemental heating one might stretch it to perhaps 5kW or even 6. 7kW is a lot for a 80sq m or even a 100sq m well insulated house, mine is about double the size, 1930s, tolerably well insulated (but floors uninsulated) and 7kW.

What Im saying is that you may well be able to get away with a good 5kW machine and if you can you may get slightly better performance (because it will modulate down further). It might be worth getting a quote from a heat geek if you havent already, they tend to keenly spec albeit they tend to be pricy. Also Octopus who seem almost invariably to get good reports (other than the recently introduced Cosy 12 which was/is noisy at least when first released). Mostly I would do that to be certain you have covered all bases.

You wont want to operate your heat pump on/off, it will be very inefficient.

With the EDF quote I would check

'heating controller' - you do not want any third party controls, this is probably just the Daikin one but check

'250L PRE PLUMBED R32 CYLINDER' - check that does not include a low loss header or a buffer tank

What flow temp are they designing for? If >45 dont go there.

I cant speak for the Daikin controls but I can speak for the Vaillant ones which are definitely good.

You may be able to get a cheaper quote if you shop around and I believe the grant will go up shortly as you are replacing oil. Personally I would get some more quotes. A good technique with Vaillant (and some others) is to ask them for local certified installers. There may be people who dont advertise because they dont need to! Those can be a good bet.

This post was modified 1 hour ago 2 times by JamesPa

4kW peak of solar PV since 2011; EV and a 1930s house which has been partially renovated to improve its efficiency. 7kW Vaillant heat pump.

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Little Lights

(@little-lights)

Active Member Member

Joined: 1 week ago

Posts: 14

27/04/2026 5:22 pm

@jamespa Perfect thanks - because we're doing an extension and it isn't built yet there's a few won't look at it until all the building work is done. Which is a tad annoying because if it's planned now before foundations are dug out and laid it may make the actual install easier overall. Also - we will be removing the boiler as part of the work we're doing, so would need some form of replacement, for hot water mainly, before the extension is completed.

Heat Geek were going to charge £800 for their planning stage, which seems a decent % of the overall cost of a heat pump, so I'd counted them out. Octopus and British Gas won't look at it until the extension is built. Aira did quote for us, they offered Aira Heat Pump 6kW, with the Aira Indoor Unit (All-in-one) 250L, and a Buffer Tank 40L. I decided against them because of the buffer tank and advice I've seen on here regarding that. I've asked for Ovo to contact me a couple of times, but they haven't as yet.

Are there any other companies you'd recommend?

Thanks so much - with installation and planning being such an important part of the process, I really do appreciate the input and advice!

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