There is only listed
1. Exterior Doors
2. Exterior Windows
3. Metal or asphalt roof
4. Insualtion material or system
5. Enery-efficient building property
6. Advances main air circulating fan used in a natural gas, propane, or oil furnace
7.Furnaces and hot water boilers powered by
natural gas, propane or oil
8. Solar electric costs
9. Solar water heating costs
10. Small wind energy property
11. Geothermal heat pump property
12. Biomass fuel property
13. Fuel cell property costs (for your main home)
14. Kilowatt capacity of fuel cell property
