Manchester, MO: the heat pump payback math
In Manchester, 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 $3,500 after a $2,000 federal tax credit. Lower bills claw that back: about $219 saved annually, for a payback of roughly 16 years. That's a technicality, not a recommendation, for anyone actually living in Manchester.
Manchester's weather, in the numbers that matter
Degree days tell the story here: Manchester racks up 3990 heating degree days each year (base 65°F), and summers are hot enough that cooling matters as much as heating, with 1370 cooling degree days on the cooling side. Sizing runs off the design temperature, not the average day: 0°F here (record low -8°F), which works out to a seasonal COP of 2.7 for the cold-climate class of unit this climate calls for. Manchester needs the cold-climate class of unit: past a 25°F design temperature a standard heat pump falls back on resistance backup often enough to eat the savings. These numbers come from SPIRIT OF ST LOUIS AIRPORT, the closest NOAA station, 9.6 miles out.
What it actually costs to run, year to year
Electricity use for heating alone comes out to about 3,742 kWh a year on the 2000-square-foot reference house; folding in cooling puts the electric bill near $630 a year. The gas furnace it replaces burns roughly 42 Mcf a year at 14.94 per Mcf here, for a running cost near $849 a year (electricity here runs 12.83¢/kWh). Looked at as a full purchase rather than an incremental one, payback here is roughly 61.7 years, leaving the 15-year total $220 behind.
Electric resistance heat in Manchester, compared
Plenty of homes in Manchester heat with electricity alone, no gas line involved. Compared with baseboard or electric-furnace resistance heat, the numbers shift in the heat pump’s favor. Switching saves about $894 a year here — a heat pump moving heat rather than generating it needs far less electricity than resistance coils — so the extra $8,000 spent up front comes back in about 8.9 years.
How Manchester compares nationally
Ranked against the other 3206 cities covered, Manchester comes in at 1518 for heating severity — 1 would be the coldest place in the dataset — and 2082 by population, where 1 is largest. That's the middle third for winter severity among the cities covered here.
Next step for 18,122 people in Manchester
Manchester, Missouri is home to about 18,122 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 Manchester, nothing is lost by holding off until the current equipment genuinely fails.
Line up a few local HVAC quotes before you decide.
More on how this number was built
Every constant behind this page — the 2.7 seasonal COP, the degree-day corrections, the equipment costs — is documented in the methodology guide. At a 0°F design temperature, Manchester sits in cold-climate territory; the guide to that class of unit explains why.