HeatPumpPayback

Should Bridgeton switch to a heat pump?

In Bridgeton, 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 $3,500 after a $2,000 federal tax credit. That premium is recovered through $242 of lower running costs every year, landing the payback clock at roughly 14.5 years. It's a genuine toss-up here — Bridgeton's numbers don't point clearly either way.

How cold Bridgeton actually gets

Bridgeton has a real but manageable winter — 3396 heating degree days a year against a 65°F base — and summers are hot enough that cooling matters as much as heating, at 2013 cooling degree days. Sizing runs off the design temperature, not the average day: 1.9°F here (record low -7.1°F), which works out to a seasonal COP of 2.75 for the cold-climate class of unit this climate calls for. Below the 25°F line where a standard machine starts leaning on resistance backup, Bridgeton sits firmly in cold-climate territory, so that's the class of unit priced here. These numbers come from LAMBERT-ST LOUIS INTERNATIONA, the closest NOAA station, 2.7 miles out.

The month-to-month numbers for Bridgeton

Electricity use for heating alone comes out to about 3,127 kWh a year on the 2000-square-foot reference house; folding in cooling puts the electric bill near $621 a year. The gas furnace it replaces burns roughly 35 Mcf a year at 14.94 per Mcf here, for a running cost near $863 a year (electricity here runs 12.83¢/kWh). Priced as a standalone purchase rather than against a like-for-like replacement, equipment payback runs about 55.8 years, for a 15-year net position $126 ahead.

The other scenario: no gas furnace to begin with

Gas isn't universal in Bridgeton — many houses run on electric heat already. Compared with baseboard or electric-furnace resistance heat, the numbers shift in the heat pump’s favor. The saving here runs about $817 a year, which recovers the extra $8,000 spent going electric in roughly 9.8 years.

How Bridgeton compares nationally

Ranked against the other 3206 cities covered, Bridgeton comes in at 1805 for heating severity — 1 would be the coldest place in the dataset — and 2925 by population, where 1 is largest. That's the middle third for winter severity among the cities covered here.

Next step for 11,301 people in Bridgeton

Bridgeton, Missouri is home to about 11,301 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 Bridgeton, 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 2.75 seasonal COP, the degree-day corrections, the equipment costs — is documented in the methodology guide. Bridgeton's 1.9°F design temperature is below the 25°F line, which is why a cold-climate unit is the right call here — see what that changes in the cold-climate unit guide.