1. Check MCS Accreditation
Only MCS-accredited installers can claim the Boiler Upgrade Scheme grant on your behalf. Verify accreditation at mcsregistered.com before proceeding. Ask for the installer's MCS number.
2. Require a Heat Loss Survey
Any installer quoting without first conducting a full heat loss survey of your property is not complying with MCS standards. This survey is essential for correct system sizing — walk away from anyone who won't do it.
3. Get at Least Three Quotes
Prices can vary significantly between installers. Get at least three detailed, written quotes from different MCS-accredited companies. Be cautious of quotes significantly below the market rate.
4. Check References and Reviews
Ask for references from recent installations similar to your property type. Check independent review platforms (Google, Trustpilot, Which Trusted Traders) for authentic customer feedback.
5. Ask About Experience
How many heat pump installations has the company completed? Experienced installers will have completed hundreds. Ask about their specific experience with your chosen brand.
6. Verify Insurance
Ensure the installer carries public liability insurance (minimum £2 million) and professional indemnity insurance.
7. Understand the Warranty
What warranty is offered on the installation work? What manufacturer warranty comes with the unit? (Typically 2–7 years depending on brand and whether extended warranty is registered.) Who do you contact if there's a warranty claim?
8. Clarify What's Included
Does the quote include: commissioning, MCS commissioning certificate, system registration, BUS grant application, removal of old system, any required radiator upgrades, and electrical work?
9. Check Payment Terms
A deposit of 10–25% is normal. Be wary of any installer asking for full payment upfront. Ensure there's a clear payment schedule tied to installation milestones.
10. Trust Your Gut
An installer who is transparent, thorough, responsive to questions, and doesn't pressure you is likely to provide a quality installation. If something feels off, take your business elsewhere.
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