Kelvin

Kelvin provides radiator upgrade solutions for temperature control and energy savings in legacy-heateded buildings, bringing radiator-heated buildings into the the 21st century with precise temperature control and efficient heating. The company's product line includes Cozy, a smart radiator cover that installs easily and provides proven comfort and efficiency improvements, and an Adaptive Electrification platform that replaces window ACs with smart heat pumps. The products work with existing building boilers, controls, radiators, and windows, requiring no replacement of core heating infrastructure. Independent testing by NYSERDA has verified average 25.5% savings on heating costs, with additional benefits including temperature controls for residents, improved safety for children and pets, compliance with local sustainability laws, and eligibility for utility rebates and tax credits. The company offers solutions at no upfront cost through its service model, serving building owners and property managers seeking to reduce heating and cooling costs, generate new revenue, and avoid carbon fines. Founded in 2013 and headquartered in Brooklyn, United States, the company has raised approximately $34.3M in Series A funding from investors including 2150.VC, Schmidt Family Foundation, Partnership for New York City, MetaProp NYC, and Third Sphere.