Heartfloww Raises $364M to Scale AI Home Energy Efficiency Services

Heartfloww has raised $364,000,000. Heartfloww aims to make energy saving easy & accessible for everyone. It lets you perform an analysis of your home's efficiency, provides personalized estimates on potential energy savings from specific measures, and offers AI-powered consultancy services on all aspects of energy efficiency. The product combines diagnostic analysis with tailored recommendations and automated advisory tools intended to help household energy decisions. The size of this raise is significant for a company focused on consumer energy-efficiency tools because it provides capital to develop and scale those capabilities. Large funding can enable more extensive deployment of analytic models, deeper data collection to improve estimates, and broader distribution of consultancy services, all of which relate directly to Heartfloww’s stated service set. It also creates room to invest in engineering and product work needed to maintain and evolve AI-driven advisory functions. The company has not disclosed a detailed allocation of the proceeds. Absent specific guidance from Heartfloww, the funding nonetheless strengthens its capacity to pursue the company’s mission to lower barriers to energy-saving actions for households through analysis, personalized estimates, and AI consultancy. Looking ahead, Heartfloww’s next challenge will be converting this capital into measurable improvements in its technology and reach, and in turn demonstrating clearer outcomes for household energy efficiency over time. Progress on product refinement, user adoption, and the accuracy of savings estimates will be key indicators of how effectively the raise advances the company’s stated goals.