Table 1. Tax Credit Proposal for Energy-Efficient Building Equipment

Technology Minimum Efficiencya Time Frame for Purchase Tax Credit
Efficient Equipment      
Air-source heat pump Heating: 9 HSPF
Cooling: 13.5 SEER
2000-2001 10% of purchase price up to $250
Central air conditioner 13.5 SEER 2000-2001 10% of purchase price up to $250
Advanced natural gas water heater 0.65 EF 2000-2001 10% of purchase price up to $250
Higher Efficiency Equipment      
Air-source heat pump Heating: 9 HSPF
Cooling: 15.0 SEER
2000-2003 20% of purchase price up to $500
Central air conditioner 15.0 SEER 2000-2003 20% of purchase price up to $500
Advanced natural gas water heater 0.80 EF 2000-2003 20% of purchase price up to $500
Electric heat pump water heater 1.7 EF 2000-2003 20% of purchase price up to $500
Natural gas heat pump Heating COP: 1.25
Cooling COP: 0.70
2000-2003 20% of purchase price up to $1,000
Fuel cellb Electricity generation: 35%
Minimum capacity: 5 kilowatts
2000-2003 20% of purchase price up to $500
per kilowatt of capacity
aUnits for efficiency measures are presented as given in the Department of the Treasury's explanation of the CCTI proposals: HSPF, Heating Seasonal Performance Factor; SEER, Seasonal Energy Efficiency Rating; EF, Energy Factor; COP, Coefficient of Performance.
bUses an electrochemical process to generate electricity and heat.
Source: U.S. Department of the Treasury, "General Explanations of the Administration's Revenue Proposals" (February 1999).