Heat Pump Payback in Frisco, TX
Heat pump vs. gas furnace in Frisco, TX
In Frisco, the extra upfront cost technically comes back, just not before the equipment wears out. Swap a failed furnace and AC for a heat pump rather than buying like-for-like, and the extra cost here runs $5,500. Lower bills claw that back: about $361 saved annually, for a payback of roughly 15.2 years. That's a technicality, not a recommendation, for anyone actually living in Frisco.
Compare against another city
This runs the same numbers for 3206 US cities, not just Frisco. Look one up here.
Frisco's weather, in the numbers that matter
Degree days tell the story here: Frisco racks up 1620 heating degree days each year (base 65°F), and summers are severe enough that cooling can dominate the annual bill, with 3408 cooling degree days on the cooling side. The 99% winter design temperature here, the cold snap equipment must be sized for, not the seasonal average, is 18.9°F, and the coldest daily reading in the 2024 station record was 9.5°F. That puts the seasonal coefficient of performance at 3.15 for the recommended cold-climate unit. Mild on average, but the occasional cold snap is what sizes the equipment: at a 18.9°F design temperature Frisco falls just under the 25°F line where a standard heat pump starts leaning on resistance backup, so the model prices a cold-climate unit to be safe. These numbers come from Addison Airport, the closest NOAA station, 12.9 miles out.
What it actually costs to run, year to year
Modelled on a typical 2000-square-foot house, the heat pump draws about 1,302 kWh a year to keep it warm, plus cooling, for a combined electric bill near $680 a year. Frisco's gas rate of $19.42 per Mcf, applied to the 17 Mcf a year the furnace burns, puts the current furnace-and-AC running cost near $1,041 a year, against 16.15¢ per kWh for electricity. 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 $80 behind.
The break-even point in Frisco
In Frisco 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 Frisco: the heat pump is worth it within a decade if it costs less than $3,610 more than replacing the furnace and AC, and within 7 years if the gap is under $2,527.
The other scenario: no gas furnace to begin with
Not every home in Frisco has gas service. Compared with baseboard or electric-furnace resistance heat, the numbers shift in the heat pump’s favor. The saving here runs about $696 a year, which recovers the extra $10,000 spent going electric in roughly 14.4 years.
Where Frisco ranks in this dataset
Among 3206 cities, Frisco's winter puts it at rank 2642 for severity, while its size puts it at rank 97 for population, 1 in both cases being the extreme. 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 Frisco
Frisco, Texas is home to about 235,208 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. In Frisco, nothing is lost by holding off until the current equipment genuinely fails.
Get quotes from local HVAC contractors before deciding.
Where Frisco's figure comes from
Every constant behind this page, the 3.15 seasonal COP, the degree-day corrections, the equipment costs, is documented in the methodology guide. At a 18.9°F design temperature, Frisco sits in cold-climate territory; the guide to that class of unit explains why.