Heat pump vs gas furnace — annual heating CO₂
Splits building heat load between gas-furnace and heat-pump scenarios using efficiency, gas CO₂ factor, COP/SCOP, and grid intensity—continental US retrofit thinking.
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Frequently asked questions
- What does Heat pump vs gas furnace — annual heating CO₂ do?
- It runs the calculation model from the form. The result appears after you click Calculate.
- What formula does it use?
- The logic shown under “How the results are calculated” below the form.
- What inputs do I need?
- Values from field labels; units and currency (if any) from the page header.
- Is the result exact or an estimate?
- Depends on the model — formulas are exact within their assumptions; simplified models are indicative only.