Renewable Energy Installer & Specifier (REI) is the go-to information hub for professional installers, specifiers, engineers, manufacturers and suppliers of low carbon technologies for the domestic heat and energy sector, with a focus on domestic and small-scale commercial settings.

Through our print and digital magazine, website, newsletters and social channels we share the latest news, ideas, interviews and data to guide and empower our community on their journeys through this fast-moving sector with a focus on:
Heat pumps, solar PV and solar thermal, storage, smart tech, low carbon home, EV and hydrogen.

With a reputation for objective and insightful content, built over the last two decades, REI is the one-stop source for those delivering low carbon energy systems as well as an essential guide for those moving into the sector.

REI delivers content vital to the industry through updates, in-depth articles, opinion pieces, and case studies.