https://techcrunch.com/2022/04/28/sealed-decarbonize-heat-pump-fifth-wall/

If you own a home, Sealed has a heat pump to sell you. The Manhattan-based startup, which helps homeowners replace their oil- and gas-gulping heating systems via an unusual financing model, has secured an additional $29.5 million in a new deal led by property-tech investor Fifth Wall. Other investors, including Robert Downey Jr.’s FootPrint Coalition and CityRock, also chipped in.

Heat pumps work by moving heat around, directing it inside or outside your home depending on whether you’re trying to cool down or stay warm. They’re more efficient than their fossil-fueled counterparts, but costly to install, which is where Sealed’s model kicks in. The firm covers installation and weatherization costs upfront, billing homeowners monthly based on the energy they save. That means Sealed only gets paid if it succeeds in cutting down energy waste.