The following energy efficiency improvements can be claimed for a second home or vacation home:
- Qualified Solar Electric
- Qualified Solar Water Heating
- Qualified Small Wind Energy
- Qualified Geothermal Heat Pump
- Qualified Battery Storage Technology
- Central Air Conditioners
- Natural Gas, Propane, or Oil Water Heaters
- Natural Gas, Propane, or Oil Furnace or Hot Water Boilers
- Improvement or Replacement of Panelboards, Subpanelboards, Branch Circuits, or Feeders
- Electric or Natural Gas Heat Pumps
- Electric or Natural Gas Heat Pump Water Heaters
- Qualified Biomass Stoves and Boilers