Your assumptions, transparent math
Energy Savings What-If
Explore hypothetical utility math without treating a percentage as a prediction or promise.
Planning aid only. This tool provides general education from visitor-entered information. It is not a diagnosis, Manual J load calculation, equipment selection, safety inspection, proposal, price, warranty or guarantee. Property conditions and equipment requirements must be reviewed onsite.
Actual energy use can differ substantially. Weather, utility rates, fuel type, equipment condition, duct losses, building envelope, thermostat settings, occupancy, maintenance, installation quality and future rate changes all affect cost. Simple payback excludes financing, maintenance, rebates, taxes, repairs, escalation and equipment life.