42watt helps homeowners plan and implement energy-efficient building modernization, combining independent advice, digital tools, and end-to-end project delivery
42watt helps homeowners plan and implement energy-efficient building modernization, combining independent advice, digital tools, and end-to-end project delivery. Its solutions include heat pumps, solar PV, battery storage, energy management, insulation and renovation, and air conditioning, supporting the transition to climate-neutral buildings.