How do I choose a trustworthy heat pump installer?

Compare the public evidence on each profile — how many independent reviews they have and across how many named platforms, the rating and how recent it is, any verified credentials, and the company record. A heat pump installer backed by several named sources is harder to fake than one with a single listing.

Does MyTrustedTraders rank or recommend heat pump installers for payment?

No. There are no ads and no paid placement. Heat pump installers are ranked only by the strength of independent public evidence — no one can pay to rank higher, add a badge, or change their reviews.

Where do the reviews come from?

They're imported from named public review platforms and always shown with the source named — they aren't reviews written on MyTrustedTraders. We cross-check the same business across sources rather than creating new reviews.

What should I check before hiring a heat pump installer?

Confirm credentials and insurance directly with the heat pump installer, get a written quote, and run the Cowboy Checker on the business first. MyTrustedTraders helps you shortlist on the evidence — it doesn't replace your own checks before you hire.

Heat pump installers in the United Kingdom

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Find heat pump installers across the United Kingdom, each compared on their reviews, verified credentials and named-source evidence across sources — independent evidence, no ads, no paid placement. Add your area below to see who's near you.

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What to check when hiring heat pump installers in the United Kingdom

MyTrustedTraders ranks on independent public evidence — no ads, no paid placement. Use these checks alongside the evidence on each profile before you decide who to contact.

Look for consistent reviews across several named platforms, not one polished profile.
Check any verified credentials, and that the business details independently check out.
Get a written quote and keep guarantee, insurance and payment terms in writing.
Run the Cowboy Checker before you commit to anyone.

Which credentials should a heat pump installer have? See the guide →

How to judge a heat pump installer

Independent, no-ads guidance — the trade-specific checks that matter most, the warning signs, and what to ask before you hire. Use it alongside each trader’s public evidence above.

Verify before you hire

Check the installer holds an active MCS certification — only MCS-certified installers can access the £7,500 Boiler Upgrade Scheme grant and issue a valid warranty certificate.
Confirm they are a RECC or HIES member, which gives you deposit protection and a free dispute resolution service if something goes wrong.
Ask to see the heat loss calculation (BS EN 12831-1) for your home — no proper calculation means the system may be sized wrong and struggle in cold weather.
Check their Companies House registration to confirm they are a real, trading company — heat pump firms can be very young, so trading history matters.

Warning signs of a cowboy

An upfront deposit of more than 50% before work starts is a known fraud pattern in the heat pump sector — walk away.
Any installer who says you can get the BUS grant without MCS certification is either mistaken or misleading you — MCS is mandatory.
A quote that names a specific brand (e.g. Mitsubishi, Vaillant) but won't confirm the exact model in writing risks a cheaper substitution on installation day.
No mention of a heat loss survey before quoting — an installer sizing a heat pump by guesswork is a serious red flag.

Questions to ask before you hire

Are you currently MCS-certified for air source or ground source heat pumps, and can I verify this on the MCS register before signing anything?
Will you carry out a full room-by-room heat loss calculation (BS EN 12831-1) before specifying the system size?
Are you registered with RECC or HIES, and what deposit protection will I have?
How many heat pump installations have you completed, and can you provide references from jobs similar to my property?

Frequently asked questions

How do I choose a trustworthy heat pump installer?: Compare the public evidence on each profile — how many independent reviews they have and across how many named platforms, the rating and how recent it is, any verified credentials, and the company record. A heat pump installer backed by several named sources is harder to fake than one with a single listing.
Does MyTrustedTraders rank or recommend heat pump installers for payment?: No. There are no ads and no paid placement. Heat pump installers are ranked only by the strength of independent public evidence — no one can pay to rank higher, add a badge, or change their reviews.
Where do the reviews come from?: They're imported from named public review platforms and always shown with the source named — they aren't reviews written on MyTrustedTraders. We cross-check the same business across sources rather than creating new reviews.
What should I check before hiring a heat pump installer?: Confirm credentials and insurance directly with the heat pump installer, get a written quote, and run the Cowboy Checker on the business first. MyTrustedTraders helps you shortlist on the evidence — it doesn't replace your own checks before you hire.

More ways to check who to trust

Free, independent checks — no ads, no paid placement.

Trade Credential Guide
Which official register to check for each trade — and how to verify it.
Cowboy Checker
Spot the warning signs of a rogue trader before you hire.
Council Experience
Which architects and agents know your local council.
Planning Approval Rate
How often a firm's planning applications get approved.
Planning Finder
Planning applications and the architects behind them, by postcode.

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