Heat pump vs. gas furnace in Fontana, CA
In Fontana, a heat pump pays for itself within a reasonable window. Swap a failed furnace and AC for a heat pump rather than buying like-for-like, and the extra cost here runs $1,000 after a $2,000 federal tax credit. Lower bills claw that back: about $205 saved annually, for a payback of roughly 4.9 years. That's a real payback, built from Fontana's own climate and utility rates, not a national guess.
Why Fontana's climate drives this number
Fontana has a mild winter by US standards — 1601 heating degree days a year against a 65°F base — and summers are hot enough that cooling matters as much as heating, at 1680 cooling degree days. 36°F is the figure equipment gets sized against here — the 99th-percentile cold snap, not an average day — with a record low of 34°F on file. Worked through the model, that's a seasonal COP of 3.27 on the standard unit fit for this climate. A standard ducted system is enough here; Fontana's design temperature doesn't justify the cold-climate premium. These numbers come from ONTARIO INTERNATIONAL ARPT, the closest NOAA station, 8.7 miles out.
Fontana's running-cost comparison, in dollars
Modelled on a typical 2000-square-foot house, the heat pump draws about 1,240 kWh a year to keep it warm, plus cooling, for a combined electric bill near $877 a year. Fontana's gas rate of 22.01 per Mcf, applied to the 17 Mcf a year the furnace burns, puts its running cost near $1,082 a year, against 32.83¢ per kWh for electricity. Looked at as a full purchase rather than an incremental one, payback here is roughly 53.8 years, leaving the 15-year total $2,068 ahead.
If your home heats with electric baseboard instead of gas
Plenty of homes in Fontana heat with electricity alone, no gas line involved. Swap the comparison to resistance heat instead of gas, and Fontana's answer improves. The saving here runs about $1,168 a year, which recovers the extra $5,500 spent going electric in roughly 4.7 years.
Fontana against the rest of the country
Ranked against the other 3206 cities covered, Fontana comes in at 2656 for heating severity — 1 would be the coldest place in the dataset — and 110 by population, where 1 is largest. That's the mildest third of cities covered, where utility rates carry more of the answer than climate does.
What to do with this number in Fontana
About 218,455 people live in Fontana, California, and every number on this page is what a contractor would actually work from when quoting a system here — the point isn't to replace that quote, it's to tell you whether to bother asking for one. Here, it's worth getting quotes before your current system fails, not after.
Line up a few local HVAC quotes before you decide.
More on how this number was built
The methodology guide walks through exactly how Fontana's 3.27 seasonal COP and the rest of this page's numbers get built. See what Fontana's figure looks like without the $2,000 federal credit in the guide to how that credit moves the payback window.