Company
Gradient
The Lowest-Cost Path to Building Electrification
Also known as Treau, Inc.
- Status
- Operatingas of 2026-09-17
- Business model
- B2B
- Headquarters
- San Francisco, CA, United States
- Legal name
- Treau, Inc.
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Record updated 28 September 2026
About
Electrify without the disruption. The Gradient All-Weather 120V Window Heat Pump delivers efficient heating and cooling using existing infrastructure and a standard 120V outlet—eliminating costly electrical upgrades while reducing installation costs and tenant disruption.
Funding snapshot
- Total raised
- $12.4MSEC form D sum, as of 2026-09-28Source (opens in a new tab)
- Latest round
- Round, $6.5M2021-04-06
Funding rounds
- Round, 2021
- $6.5M2021-04-06, SEC form D sold, 3 investors
- Round, 2019
- $5.9M2019-12-20, SEC form D sold, 12 investors
Products
- Hardware
- Gradient All-Weather 120V Window Heat Pump
- Web
- Nexus
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