3 Products, 1 Goal.

There’s no one size fits all with radiators.
That’s why we’ve designed a range of products to accommodate every radiator out there.

Kelvin offers a comprehensive service, from building surveys, securing incentives and rebates, installation, and post install customer service.

Which solution is best for you?

Our Cozy products offer a solution to your overheated apartments and overworked boilers. See which option is best suited for the radiators in your building.

Radiator Solutions

Cozy Core

Cozy Core

The Core is an internal retrofit for baseboard and convector type radiators. This retrofit provides insulation, temperature control, and improved comfort.

Explore the Core
Cozy Custom

The Cozy Custom is a cover for all types of radiators that provides insualtion, temperature control, and improved comfort.

Explore the Custom

Cozy Custom

Heat Pump Solutions

For those wanting to build upon their existing Cozy system or just want an integrated heat pump system, Adaptive Electrification is your answer.

Adaptive electrification is a window or sleeve AC replacement that provides all weather comfort. It integrates with the Kelvin IoT network to allow for heating during shoulder seasons, cooling in the summer, and improved grid flexibility while keeping the boiler in place as backup.

Explore Adaptive

Adaptive Electrification


Track everything on one platform.

BOSS Portal platform shown across devices

The BOSS Portal

Data is key to optimizing heating controls. That’s why we have the BOSS Portal. 

Kelvin’s BOSS Portal is your all in one platform that provides multifaceted building heating data, breaking trends down by floor, line, and even down to individual radiators.

Use the platform to:

  • Track savings

  • Check cold unit compliance

  • Check for faulty radiators and risers

  • Monitor steam trap health

  • Analyze your building’s heating patterns

Bar chart showing a before and after of a building's temperatures with and without Cozys. The chart after Cozy installation shows that there was less temperature fluctuation in individual units, and that the building was more evenly heated

Why Kelvin? We’ll let the numbers do the talking.

How exactly does Kelvin’s solutions save you money?

  • Kelvin saves buildings an average of 25.5% on energy usage, according to NYSERDA

  • Our products have an average lifespan of 15 years before needing replacement

  • Precise data tracking and platform integration

  • Install time of 30 min/radiator, and no plumber required

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Interested? Get a custom energy savings analysis!

Share your building’s utility bills and we’ll take it from there.