Step 1: Verify MCS Accreditation
Non-negotiable for new installations and BUS grant claims. Verify at mcsregistered.com. Check the accreditation is current.
Step 2: Get Multiple Quotes
Get at least three quotes. Prices vary widely — we've seen comparable systems quoted £10,000 to £18,000 for the same property.
Step 3: Insist on a Heat Loss Survey
Any installer willing to quote without a site visit is a red flag. MCS-compliant installation requires a detailed heat loss calculation.
Step 4: Check References
Ask for references from recent comparable installations. Check independent review platforms (Google, Trustpilot, Which? Trusted Traders).
Red Flags
- Quote without site visit
- Pressure to sign immediately
- Large upfront payment requested
- Cannot provide MCS number
- No mention of heat loss survey
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choosing heat pump installerMCS installerheat pump quotes UK