Electric furnace vs heat pump: compare 2026 install prices, yearly running costs in three climates, lifespan and payback.
Home heating & cooling calculators
Run the numbers before you call the installer.
Free calculators for heat pumps, air conditioners and heating bills. Put in your home and your local prices, and see what a new system costs to buy and to run.
Calculators
All calculators →$ / yearHeat pump savings & paybackYour yearly heating bill with a heat pump versus gas, propane, oil or electric heat, and years to pay back.BTU / hrBTU calculatorHow many BTUs you need to cool or heat a room, and the AC size to buy.tonsHeat pump size calculatorRough heat pump size in tons for your whole house and climate.$ / MMBtuHeating fuel cost comparisonThe real cost of heat from gas, propane, oil, pellets, electric and heat pumps at your prices.kWh / yearSEER2 savings calculatorWhat a higher-efficiency air conditioner or heat pump saves on cooling each year.$ / monthSpace heater cost calculatorWhat it costs to run a space heater per hour, day and month.
Latest guides
All guides →Ductwork replacement cost runs about $3,000 to $10,000 for most homes. See prices per foot, by material, and when sealing is enough.
AC not cooling? Check the thermostat, filter and outdoor unit first, then see the common failed parts and what each repair costs in 2026.
Heat pump thermostat settings winter checklist: 68°F, small setbacks, fan on Auto and aux heat lockout, with the cost math.
Geothermal heat pump cost runs $15,000 to $35,000 for most homes. See prices by loop type, running costs and payback without the tax credit.
Window AC vs portable AC: compare efficiency, noise, price, running cost and sizing to choose the right room air conditioner.
AC freezing up? Learn the common causes, how to thaw the coil safely and the simple habits that stop ice from coming back.
What size AC unit do I need? Use this square footage chart, the BTU formula and climate adjustments to pick tons.