Boldr
Save energy & live sustainably with smart home climate products
London, United Kingdom · Founded 2022 · $9.4M raised
- Headquarters
- London
- Founded
- 2022
- Business Model
- B2C
- Website
- shopboldr.com
- Total Funding
- $9.4M
- Last Round
- $5.0M Venture RoundAug 2026
- Rounds
- 3
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 3 funding rounds and 7 investors for this company. The full record is or through the API.
About
Boldr makes intelligent home climate products that help homeowners save energy and reduce costs. The company's flagship product, the Kelvin smart infrared heater, heats people directly rather than the whole room, allowing users to lower their thermostat while staying comfortable. Boldr also offers smart thermostats for mini-split AC and heat pump systems, enabling remote control, scheduling, and energy monitoring via smartphone. Products are designed for both residential consumers and HVAC contractors.
Summary
Boldr is a Clean Tech company based in London, United Kingdom, founded in 2022. It has raised $9.4M in total across 3 rounds, most recently a $5.0M Venture Round in Aug 2026. Investors include Ada Ventures, Unconventional Ventures and Inclimo Climate Tech.
Tech & App Stack
7 technologies & apps tracked
Every product and vendor across these categories, with where each signal came from.
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Funding History
Aug 2026
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Funding: Seed through Venture Round. Amounts, valuations, and investors where available.
Investors
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