Heat Pump Payback in Heath, TX
Should Heath switch to a heat pump?
In Heath, the extra upfront cost technically comes back, just not before the equipment wears out. Against a like-for-like gas furnace and AC swap, going electric costs $5,500 more up front here. Lower bills claw that back: about $334 saved annually, for a payback of roughly 16.5 years. That's a technicality, not a recommendation, for anyone actually living in Heath.
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Heath is one of 3206 cities covered here, each run through the same model. Search another below.
How cold Heath actually gets
Degree days tell the story here: Heath racks up 1853 heating degree days each year (base 65°F), and summers are severe enough that cooling can dominate the annual bill, with 2871 cooling degree days on the cooling side. 15.8°F is the figure equipment gets sized against here, the 99th-percentile cold snap, not an average day, with a low of 9.5°F in the 2024 station record. Worked through the model, that's a seasonal COP of 3.08 on the cold-climate unit fit for this climate. Mild on average, but the occasional cold snap is what sizes the equipment: at a 15.8°F design temperature Heath 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 Ralph M Hall Rockwall Municip, the closest NOAA station, 5.6 miles out.
The yearly running costs in Heath
Electricity use for heating alone comes out to about 1,523 kWh a year on the 2000-square-foot reference house; folding in cooling puts the electric bill near $641 a year. Heath's gas rate of $19.42 per Mcf, applied to the 19 Mcf a year the furnace burns, puts the current furnace-and-AC running cost near $976 a year, against 16.15¢ per kWh for electricity. If the current system still worked and you replaced it anyway, the full cost would take longer than the 15-year equipment life to earn back; against buying a new furnace and AC regardless, the 15-year total lands $485 behind.
How sensitive Heath's result is to prices
Gas would only overtake the heat pump in Heath if electricity rose past 149.6¢/kWh from 16.15¢, or gas fell under $2.10 per Mcf from $19.42. A useful quote test for Heath: the heat pump is worth it within a decade if it costs less than $3,340 more than replacing the furnace and AC, and within 7 years if the gap is under $2,338.
The other scenario: no gas furnace to begin with
Not every home in Heath 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 $717 a year, which recovers the extra $10,000 spent going electric in roughly 13.9 years.
How Heath compares nationally
Among 3206 cities, Heath's winter puts it at rank 2514 for severity, while its size puts it at rank 2899 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 Heath
Heath, Texas is home to about 11,499 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 Heath, nothing is lost by holding off until the current equipment genuinely fails.
Line up a few local HVAC quotes before you decide.
Where Heath's figure comes from
The methodology guide walks through exactly how Heath's 3.08 seasonal COP and the rest of this page's numbers get built. At a 15.8°F design temperature, Heath sits in cold-climate territory; the guide to that class of unit explains why.