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Boldr

London, England, United Kingdom · Energy, Renewable Energy · 36 employees

Boldr is a London-based energy tech company focused on transforming homes into active participants in the power grid. The company creates smart heating and cooling products along with a companion app to automate climate control, manage bills, and support grid savings. By leveraging existing HVAC systems and integrating with EVs and solar, Boldr aims to provide households with capacity to supply ba

Funding history

  • Series seed — $3.2M — Sep 2025

Recent signals

  • Sep 30, 2025: Raised $3.2M in Series seed

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