Kelvin is solving the overheating of legacy buildings with insulated radiator covers, heat pumps, and more. Discover the benefits of our products & solutions available at zero cost up front. Kelvin has been delivering quick and easy retrofit installations for older buildings for over a decade, equipping each apartment with heating controls and lowering fuel bills for owners. Kelvin’s hybrid electrification and Cozy system represents an economically and environmentally effective path forward for buildings looking to decarbonize their legacy heating and cooling systems and meet current and future environmental requirements.