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Gradient

Energy · San Francisco, United States · Founded 2017

Window Air Conditioner with Heat Pump MoreLess

Gradient Comfort is an innovative startup focused on revolutionizing home climate control with its modern, energy-efficient window air conditioners (ACs) that also function as heat pumps. The company's flagship product is designed to cool and heat spaces without obstructing the view, making it a versatile solution for urban living. Gradient Comfort primarily serves environmentally conscious consumers and businesses looking to reduce their carbon footprint while maintaining comfort in their living or working spaces.

Operating in the clean energy and home appliance market, Gradient Comfort addresses the growing demand for sustainable and efficient climate control solutions. The company is particularly relevant in regions with stringent environmental regulations, such as New York, where Local Law 97 mandates significant reductions in greenhouse gas emissions from buildings.

Gradient Comfort's business model is centered around direct-to-consumer sales through its website, gradientcomfort.com. The company generates revenue by selling its advanced window AC units, which utilize R-32 refrigerant—a next-generation refrigerant that is more efficient and has a lower environmental impact compared to traditional hydrofluorocarbon (HFC) refrigerants. This positions Gradient Comfort as a leader in the push towards decarbonization and greener living.

In addition to product sales, Gradient Comfort has secured significant funding to support its mission. Notably, the company received a $17.5 million grant under the Defense Production Act from the U.S. Department of Energy, highlighting its role in clean energy innovation.

Keywords: energy-efficient, window AC, heat pump, sustainable, refrigerant, decarbonization, direct-to-consumer, clean energy, Local Law 97, grant.

Company overview

Gradient company information

The essential company record, classifications and operating signals in one place.

Status
Operational
Founded
2017
Headquarters
San Francisco, United States
Employees
51
Open positions
None listed
Dealroom signal
62.9
client focusb2btechnologyHardwaresub industryEnergy Efficiencybusiness modelManufacturingindustryReal EstatesectorSustainable Development GoalssectorCooling TechsectorUrban TechsectorHeat PumpsectorBuilding CoolingsectorClimate TechsectorBuilding Energy EfficiencysectorGreen BuildingssectorBuilding Energy Retrofit

Valuation & funding

Gradient funding history

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
CONVERTIBLEEquity / VC Oct 2023 $0 Elemental Excelerator
SERIES AEquity / VC Jun 2023 $9M $90M Climate Investment
SERIES AEquity / VC Feb 2023 $18M $72M Ajax Strategies · Sustainable Future Ventures · At One Ventures · Impact Science Ventures
DEBTDebt Apr 2021 $6.5M Undisclosed
SEEDEquity / VC Dec 2019 $5.9M $24M PRIME Coalition · Prime Impact Fund
SEEDEquity / VC Mar 2019 Third Sphere · URBAN-X
CONVERTIBLEEquity / VC Oct 2018 Third Sphere
SUPPORT PROGRAMOther financing Aug 2018 The Strauch Cleantech to Market Program
SEEDEquity / VC Jun 2018 Zero Carbon Capital
Showing 9 recorded eventsUnlock the complete deal history →

Financials

Workforce over time

Available workforce history. Financial fields without reported data are omitted.

YearEmployees
2026 49
2025 60
2024 73
2023 60
2022 59
2021 32
2020 15
Company filings, research estimates and Dealroom dataOpen the full financial model →

Growth signals

Gradient website traffic

Latest recorded traffic for Gradient is 32K monthly website visits, up 113.3% over the last three months. Gradient's team declined 15% over the past year.

Latest monthly visits32K 3-month web change+113.3% 1-year team growth-15%
Monthly website visits58 observations · Aug 2020–Jul 2026
Hover or focus a point to see its exact monthly valueCompare with peers →

Comparisons

Gradient compared with similar companies

Dealroom’s weighted taxonomy model identifies the closest operating peers. Company identity and context stay open; selected comparison metrics preview what is available in the platform.

Showing 8 of the closest matchesCompare every metric →

Talent graph

Gradient's talent

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Team profiled 13 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 3 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Investors

20 investors on Gradient's cap table

Sourced from Dealroom's funding and investor records. Investor profile links are shown where available.

Seed 4 investors entered at this stage
Zero Carbon Capital
URBAN-X
PRIME Coalition
Prime Impact Fund
Series A 10 investors entered at this stage
Third Sphere
Ajax Strategies
Sustainable Future Ventures
At One Ventures
Impact Science Ventures
Climate Tech Circle
Shared Future Fund
Safar Partners
Climate Investment
Elemental Excelerator
Other known 6 additional known investors
The Strauch Cleantech to Market Program
Ajax Investment Strategies
Autodesk Foundation
Collaborative Fund
Incite
Matthew Chagan

Global footprint

Where Gradient has talent and traffic

Workforce by country
2 countries with
team presence
🇺🇸 United States97.6%
🇮🇳 India2.4%
2 countries shown

In the news

Latest news about Gradient

Recent press, funding announcements, and product moves mentioning Gradient — open to read from the original sources.

See all news

Market sentiment

What the market is saying about Gradient

An AI-synthesized read of the highest-engagement posts about Gradient on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

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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