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Heat Pump vs. Furnace in Phoenix, AZ
Data last updated: July 25, 2026
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Cost Comparison for Phoenix, AZ
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Recommendation for Phoenix, AZ
Heat pumps are strongly recommended in Phoenix, AZ. The high cooling demand (4200 CDD) and moderate heating needs make heat pumps the most cost-effective option.
Climate Context
| Climate Zone | Hot-Dry |
| Average Temperature | 75.0°F |
| Winter Low (typical) | 45°F |
| Summer High (typical) | 106°F |
| Heating Degree Days | 1500 |
| Cooling Degree Days | 4200 |
| Median Home Age | 37 years (built ~1989) |
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