The performance requirements of Energy Star for Homes 2006 are published on the EPA website and include: 1) HERS Index of 80 or lower in climate zones 6-8 or HERS Index of 85 or lower in climate zones 1-5; 2) completed Thermal Bypass Inspection Checklist, including slab-edge insulation in climate zones 4+; 3) duct leakage of less than 6 CFM to outdoors per 100 sq. ft.; 4) at least one Energy Star qualified product (heating or cooling equipment; windows; 5 or more labeled light fixtures, appliances, or ventilation fans); 5) indoor and outdoor coils must be matched, in accordance with AHRI standards; 6) adaptive recovery for any programmable thermostats installed in homes with a heat pump; and 7) maximum oversizing limit for air conditioners and heat pumps is 15% (with the exception of heat pumps in Climate Zones 5-8, where maximum oversizing is 25%). The full details are available at http://www.energystar.gov/ia/partners/bldrs_lenders_raters/downloads/Per... .