Products and Solutions: Building-wide Temperature Controls — Kelvin

Smart Radiator Controls and Heat Pump Solutions

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

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

Explore the Core


The Cozy Custom is a cover for all types of radiators that provides insulation, 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.

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:

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

Calculations as provided in NYSERDA TRM Manual

How exactly does Kelvin’s solutions save you money?

Kelvin - The Cozy Video from Kelvin on Vimeo

Watch on Vimeo

50% - 75% off Heat Pumps

NYSERDA’s Clean Heat for All initiative has approved a $10 million fund (PON 6037) covering 50% -75% off heat pumps in multifamily buildings.

Partner with Kelvin and we will apply on your building’s behalf. Funding is first come, first served, and applications close June 2027.

Get a Custom Energy Savings Analysis