Calculator inputs
Use the scraped city table or manual values. Charts update from the same formulas used by the original calculator.
Cooling / sizing region
Heating region
Cooling · high efficiency
Heating · standard
Heating · high efficiency
Results snapshot
Annual operating cost, savings, and long-horizon value with modern responsive charts.
Annual operating cost comparison
Standard vs. high-efficiency systems for cooling and heating.
Projected savings over time
Compounded using the utility increase percentage.
Scraped data explorer
Raw site data, city weather presets, and reference content extracted from the original site.
| City | Cooling hours | Degree days | Climate source |
|---|