Disclaimer

Last updated: 2026-06-27

Not professional advice

The comparisons on Warmth Guide are for informational purposes only. They are not professional advice on which heating system to install in your specific home. Every property is different. Consult an MCS-certified installer for a professional assessment of your home's insulation, heating demand, and suitability for different systems.

AI-researched content

Articles on Warmth Guide are AI-researched and human-reviewed. We cite primary sources for every factual claim (UK government data, Energy Saving Trust research, manufacturer specifications). If you spot an error, please let us know.

Costs and grants

Installation costs, running costs, and grant amounts shown on this site are indicative figures based on 2026 UK averages. Your actual costs will vary based on your property size, location, insulation levels, and the installer you choose. Grant eligibility and amounts are subject to change by the UK government.

No affiliation

Warmth Guide is independent of any heat pump manufacturer, boiler manufacturer, or installer. We don't earn commissions from product sales or referrals. We cite sources for transparency, not as endorsements.

External links

We link to UK government sites (gov.uk), Energy Saving Trust, Ofgem, and other authoritative sources. We're not responsible for the content or availability of external websites.