Smart thermostat maker Boldr raises €4.2 million to grow connected heating and cooling platform

Market sources reveal that homeFundingSmart thermostat maker Boldr raises €4.2 million to grow connected heating and… HomeFundingSmart thermostat maker Boldr raises €4.2 million to grow connected heating and…FundingUK-Startups Smart thermostat maker Boldr raises €4.2 million to grow connected heating and cooling platform By David Cendon Garcia August 24, 2026 Share FacebookTwitterWhatsAppLinkedin London-based energy management startup Boldr has raised €4.2 million ($5 million) in a pre-Series A round to expand its smart climate technology across North America, develop its contractor software platform, and move into a broader range of residential and commercial heating and cooling systems.The round was led by Unconventional Ventures, with participation from Ada Ventures, Tetrad Ventures, Davidovs Venture Collective, Roxbury Asset Management, the Inclimo Climate Tech Fund, Prosegur, Techstars, the S20 Fund and PropelX.Key players involved: Goldman Sachs Asset Management, Partners Group This development has significant implications for Technology, potentially influencing competitive dynamics, investment patterns, and strategic priorities across the sector. You get there through the contractors who already install, service and replace the equipment that controls energy inside the home. Market ImplicationsForward-Looking IndicatorsContinued consolidation expected in the sectorIncreasing focus on digital transformation and innovationGrowing importance of ESG considerations Expert Commentary Looking AheadFor complete details on this development, refer to the original report from EU-Startups. Frequently Asked Questions