Calculator
Heat Pump vs. Furnace in San Jose, CA
Data last updated: July 25, 2026
Ad — 728×90 / 320×100
Cost Comparison for San Jose, CA
Ad — Responsive
Recommendation for San Jose, CA
Heat pumps are strongly recommended in San Jose, CA. The high cooling demand (500 CDD) and moderate heating needs make heat pumps the most cost-effective option.
Climate Context
| Climate Zone | Mediterranean |
| Average Temperature | 60.0°F |
| Winter Low (typical) | 42°F |
| Summer High (typical) | 78°F |
| Heating Degree Days | 2200 |
| Cooling Degree Days | 500 |
| Median Home Age | 53 years (built ~1973) |
Ad — 728×90 / 320×100