Heat Pump Payback in Baytown, TX
Is a heat pump worth it in Baytown?
In Baytown, the math is close enough that it comes down to how long you plan to stay. Swap a failed furnace and AC for a heat pump rather than buying like-for-like, and the extra cost here runs $3,000. Lower bills claw that back: about $300 saved annually, for a payback of roughly 10 years. It's a genuine toss-up here, Baytown's numbers don't point clearly either way.
Compare against another city
Landed on Baytown by mistake, or want to compare it against somewhere else? Search the other 3206 cities below.
Baytown's weather, in the numbers that matter
Baytown barely has a winter to speak of, 853 heating degree days a year against a 65°F base, and summers are severe enough that cooling can dominate the annual bill, at 3321 cooling degree days. The 99% winter design temperature here, the cold snap equipment must be sized for, not the seasonal average, is 32°F, and the coldest daily reading in the 2024 station record was 21.4°F. That puts the seasonal coefficient of performance at 3.15 for the recommended standard unit. Baytown's winters don't get cold enough to need the cold-climate premium, a standard unit holds up fine. These numbers come from Morgans Point, the closest NOAA station, 5.9 miles out.
The yearly running costs in Baytown
Electricity use for heating alone comes out to about 686 kWh a year on the 2000-square-foot reference house; folding in cooling puts the electric bill near $568 a year. The gas furnace it replaces burns roughly 9 Mcf a year at $19.42 per Mcf here, for a running cost near $868 a year including the old AC (electricity here runs 16.15¢/kWh). Buying outright rather than at replacement time stretches payback to longer than the 15-year equipment life. Over 15 years, compared with a like-for-like replacement, the heat pump leaves you $1,494 ahead.
The break-even point in Baytown
In Baytown 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 Baytown: the heat pump is worth it within a decade if it costs less than $3,000 more than replacing the furnace and AC, and within 7 years if the gap is under $2,100.
The other scenario: no gas furnace to begin with
Not every home in Baytown has gas service. Against electric-resistance heat, baseboard or an electric furnace, both 100% efficient but still just resistance, the case for switching gets stronger here. The gap still doesn't close: the $7,500 incremental cost outlasts the 15-year equipment life here even against resistance heat.
How Baytown compares nationally
Baytown lands at position 2946 out of 3206 cities on heating severity (coldest is 1), and 421 out of 3206 by population size (biggest is 1). 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 Baytown
Baytown, Texas is home to about 86,004 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 Baytown, nothing is lost by holding off until the current equipment genuinely fails.
Ask a local HVAC contractor for a quote before committing either way.
More on how this number was built
Every constant behind this page, the 3.15 seasonal COP, the degree-day corrections, the equipment costs, is documented in the methodology guide. Homes in Baytown without gas service should read the electric-resistance comparison instead, the numbers there differ from the gas case above.