Heat Pump Payback in Calexico, CA
Will a heat pump pay off in Calexico, CA?
Calexico clears a genuine payback here, inside a reasonable stretch of years. $3,000 is what Calexico would pay extra to go electric rather than replace the furnace and AC with the same again. Lower bills claw that back: about $399 saved annually, for a payback of roughly 7.5 years. The window here is reasonable, and it's specific to what Calexico actually pays for power and gas.
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Calexico's weather, in the numbers that matter
Calexico barely has a winter to speak of, 944 heating degree days a year against a 65°F base, and summers are severe enough that cooling can dominate the annual bill, at 2937 cooling degree days. Sizing runs off the design temperature, not the average day: 34°F here (coldest 2024 reading 32°F), which works out to a seasonal COP of 3.21 for the standard class of unit this climate calls for. Calexico's winters don't get cold enough to need the cold-climate premium, a standard unit holds up fine. Climate figures trace to the nearest NOAA station, Imperial County Airport, 11.4 miles from Calexico.
Calexico's running-cost comparison, in dollars
Electricity use for heating alone comes out to about 745 kWh a year on the 2000-square-foot reference house; folding in cooling puts the electric bill near $1,067 a year. The gas furnace it replaces burns roughly 10 Mcf a year at $22.01 per Mcf here, for a running cost near $1,466 a year including the old AC (electricity here runs 32.83¢/kWh). Priced as a standalone purchase, with a working furnace ripped out early, payback would take longer than the 15-year equipment life. Measured against the like-for-like replacement instead, a household here ends 15 years $2,991 ahead.
How sensitive Calexico's result is to prices
In Calexico the cooling savings outweigh the extra electricity for heating, so no plausible change in the electricity rate would make the old furnace and AC cheaper to run. A useful quote test for Calexico: the heat pump is worth it within a decade if it costs less than $3,990 more than replacing the furnace and AC, and within 7 years if the gap is under $2,793.
If your home heats with electric baseboard instead of gas
Not every home in Calexico has gas service. Swap the comparison to resistance heat instead of gas, and Calexico's answer improves. The saving here runs about $968 a year, which recovers the extra $7,500 spent going electric in roughly 7.7 years.
Where Calexico ranks in this dataset
Ranked against the other 3206 cities covered, Calexico comes in at 2928 for heating severity, 1 would be the coldest place in the dataset, and 1067 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 Calexico
Calexico, California is home to about 38,744 people, and the figures above are the same ones a local HVAC contractor uses to size and quote a system, this site doesn't guess where a real quote would land, it just tells you whether it's worth asking for one. Given the math above, Calexico is a place worth lining up quotes ahead of a breakdown, not waiting for one.
Line up a few local HVAC quotes before you decide.
Reading further on this page's numbers
Nothing above is a black box: the methodology guide shows the full arithmetic behind Calexico's 3.21 seasonal COP and payback figure. Homes in Calexico without gas service should read the electric-resistance comparison instead, the numbers there differ from the gas case above.