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Appendix I to Part 305—Heating Performance and Cost for Central Air Conditioners

Heating Performance and Cost for Central Air Conditioners

  1. CFR
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  3. Title 16
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  5. Chapter I
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  7. Part 305
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  9. Subject Group Effect of This Part
  10. ›
  11. Appendix Appendix I to Part 305
CorpusDaily eCFR
Displayed edition2026-04-24
Last updated2026-04-24

Appendix I to Part 305—Heating Performance and Cost for Central Air Conditioners

Manufacturer's rated heating capacity

(btu's/hr)		Range of HSPF2's
LowHigh
Single Package Units
Heat Pumps (Heating Function): All capacities6.78.4
Split System Units
Heat Pumps (Heating Function): All capacities7.514.6
Small-duct, high-velocity Systems6.17.5
Space-Constrained Products
Heat Pumps (Heating Function): All capacities6.36.5

[ 86 FR 57986, Oct. 20, 2021]