G
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
Valuation & funding
Gradient 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 | Jun 2023 | $9M | $90M | Climate Investment | ↗ |
| SERIES A✓Equity / 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 PROGRAM✓Other financing | Aug 2018 | The Strauch Cleantech to Market Program | ↗ | ||
| SEED✓Equity / VC | Jun 2018 | Zero Carbon Capital | — |
Financials
Workforce over time
Available workforce history. Financial fields without reported data are omitted.
| Year | Employees |
|---|---|
| 2026 | 49 |
| 2025 | 60 |
| 2024 | 73 |
| 2023 | 60 |
| 2022 | 59 |
| 2021 | 32 |
| 2020 | 15 |
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.
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.
Talent graph
Gradient's talent
Source: Dealroom Talent Intelligence.
Global footprint
Where Gradient has talent and traffic
team presence
In the news
Latest news about Gradient
Recent press, funding announcements, and product moves mentioning Gradient — open to read from the original sources.
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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