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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.

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Retrofit solutions for radiator-heated buildings

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.

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Resident Experience & Safety

Allow building residents to enjoy superior comfort, room-level temperature controls, and a sleek design that safely enhances their space.

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Sustainability & Savings

Monitor systems, measure savings and reduce carbon emissions; exceed targets for local sustainability laws using the Kelvin analytics.

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Easy Retrofit Installations

The quick and non-disruption installation process means that owners can rapidly deploy Kelvin’s retrofit solutions building-wide.

Apartment bedroom with a radiator beneath a window

Enjoy comfort and control with The Cozy

Kelvin’s foremost solution for radiator-heated buildings. A revolution in radiator heating, The Cozy is an insulated radiator cover that distributes heat with maximum efficiency to prevent overheating and waste in older buildings.

Meet the Cozy

Save money and energy with Kelvin systems

Available with zero-cost upfront with monthly subscription, which is covered by energy savings.

We care deeply about our work and recommend solutions that are in the best interest of our clients. We stick by our clients, ensuring maximum savings, energy reduction, policy compliance, comfort and overall building improvement over time. Kelvin’s intelligent heating and cooling solutions are available with zero-cost upfront with monthly subscription, which is covered by energy savings.

Awards & Recognition

Since 2011, Kelvin has been designing and installing intelligent HVAC systems that decarbonize legacy buildings in major cities.

Are you ready to save money and energy?

Find out if your property is eligible and learn more about the available utility rebates and state incentives.

Calculate savings

Free Energy Savings Analysis

Please fill out the information below the best that you can. We will walk you through how to enjoy 25-40% energy savings with no money down.

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Full Name*
Building Address
Type of Radiators
Max. file size: 300 MB.
Heating fuel data including all accounts that feed the boiler (natural gas, heating fuel oil, etc.)
This field is for validation purposes and should be left unchanged.