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Definition
The heating-mode efficiency rating for heat pumps under updated test procedures. Higher HSPF2 means more heat delivered per unit of electricity over the heating season.
Why this matters for your home
- Use this term to ask better questions when you compare estimates.
- Connect the definition to a real decision in our Learning Center guides.
- Confirm how it applies to your home's age, equipment, and Utah climate.
Related pages
Category: Heating