• HSPF >= 8.5
• EER >= 12.5
• SEER >= 15
If its package system, It should have
• HSPF >= 8
• EER >= 12
• SEER >= 14
Central air
If you are shopping for a central air conditioning, you can bag up to $300 in HVAC tax credits. In that case the system should meet following criteria-
For a split system:
• EER >= 13
• SEER >= 16
For a package System:
• EER >= 12
• SEER >= 14
Furnaces
There are attractive rebates on gas, propane, or oil furnaces and fans. Buy a qualified furnace to get up to $150 in tax credits and rebates.
• For furnaces, the AFUE ≥ 95
• For fans, the annual electricity use ≤ 2% of total furnace energy
Water heaters (non-solar)
Buying non-solar water heaters can earn you up to $300 in tax credits and rebates. The criteria are:
• An electric water heater should have an energy factor ≥ 2.0
• Heaters running on gas, oil, or propane should have an energy factor ≥ 0.82 or Thermal efficiency of at least 90%