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Kelvin
Smart energy solutions provider modernizing legacy radiator-heated buildings with precise temperature control and efficient heating systems
About Kelvin
Kelvin, formerly known as Radiator Labs, is a company that specializes in providing intelligent HVAC solutions for legacy buildings. The company's primary mission is to aid in the decarbonization of these older structures through various hybrid electrification methods. Their offerings include "The Cozy," an insulated radiator cover designed to distribute heat with maximum efficiency, which can reduce heating costs by up to 45%. Kelvin designs and installs comprehensive HVAC systems that are aimed at decarbonizing buildings and improving energy savings.
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The company was founded in 2013 by Marshall Cox, a material science engineer, in New York City. Kelvin's business model is centered on helping property owners save money and energy. They offer their intelligent heating and cooling solutions with zero-cost installation options, making it more accessible for legacy buildings to transition to a more sustainable future. The company primarily serves owners of older residential and commercial buildings in major cities. By focusing on this market, Kelvin addresses the significant challenge of retrofitting existing building stock to meet modern energy efficiency standards. The company has successfully raised capital, including a $30 million Series A funding round, to expand its operations and further its goal of decarbonizing legacy buildings globally.
At a glance
- Status
- Operational
- Founded
- 2011
- Headquarters
- New York City, United States
- Employees
- 59
- Open positions
- None listed
- Dealroom signal
- 65.9/100
- Industry
- Real Estate
- Sub-industry
- Energy Efficiency
- Sector
- Energy, Smart Home, Sustainable Development Goals, Urban Tech, Building Cooling, Climate Tech, Building Energy Efficiency, Green Buildings, Building Energy Retrofit, SaaS and IoT for Heating
- Technology
- Hardware
- Business model
- Manufacturing
- Client focus
- b2b
Knowledge graph
More headlines
Funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| CONVERTIBLEEquity / VC | Oct 2023 | $0 | — | Elemental Excelerator | — |
| SERIES A✓Equity / VC | May 2023 | $30M | $120M | 2150 · Partnership Fund for New York City · Hillspire | ↗ |
Growth signals
Latest recorded traffic for Kelvin is 3.3K monthly website visits, up 13.8% over the last three months. Kelvin's team declined 6.3% over the past year.
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Investments and acquisitions
Recent portfolio relationships for companies that also act as investors or acquirers.
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Seed8 investors entered at this stage
Verizon Wireless
MIT CleanEnergyPrize
US Department of Energy- NSNstar
MetaProp
Third Sphere
US National Science Foundation
Leading Cities
Series A4 investors entered at this stage
2150
Partnership Fund for New York City
Hillspire
Elemental Excelerator
Other known investors12 additional known investors
76 Forward
ACRE Incubator
Christian Hernandez Gallardo
Dorm Room Fund
Future Labs
GP Ventures+
New Energy Nexus
New York Business Plan Competition
Small Business Innovation Research
Unreasonable Group
Urban Future Lab
Wells Fargo Innovation Incubator
Source: Dealroom Talent Intelligence.
Global footprint
Market sentiment
An AI-synthesised read of the highest-engagement posts about Kelvin on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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