Federal Tax Credits on Two Tankless?

[schalliol]

30% up to $600 for instant hot water heaters as follows. If you were to install one, and then another, it seems like you could get $1,200 off. Does anyone have experience with these credits?

Water Heaters (Natural Gas) Tax Credit

www.energystar.gov

The overall total limit for an efficiency tax credit in one year is $3,200. This breaks down to a total limit of $1,200 for any combination of home envelope improvements (windows/doors/skylights, insulation, electrical) plus furnaces, boilers and central air conditioners. Any combination of heat pumps, heat pump water heaters and biomass stoves/boilers are subject to an annual total limit of $2,000.