MCS
A certification scheme and quality mark for small-scale renewable systems such as heat pumps, and the businesses that fit them.
It sets product and installation standards. It isn't a legal licence to install, and a personal training award doesn't give a business MCS status. The Boiler Upgrade Scheme in England and Wales needs an MCS certified installer.
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Sources
Sources checked 31 October 2026. Guidance, grants and official pages can change.
- MCS: Our roleMCS as a quality mark for small-scale renewable systems, with product and installation standards for certified installers.