Should Pleasant Hill switch to a heat pump?

This one's marginal in Pleasant Hill: it only clears if you stay long enough. Against a like-for-like gas furnace and AC swap, going electric costs $1,000 more up front here (already netting out a $2,000 tax credit). That premium is recovered through $97 of lower running costs every year, landing the payback clock at roughly 10.4 years. It's a genuine toss-up here — Pleasant Hill's numbers don't point clearly either way.

Pleasant Hill's weather, in the numbers that matter

2162 heating degree days pile up here every year, so Pleasant Hill has a mild winter by US standards; the cooling side runs to 1129 cooling degree days, where summers are hot enough that cooling matters as much as heating. Sizing runs off the design temperature, not the average day: 33.1°F here (record low 32°F), which works out to a seasonal COP of 3.19 for the standard class of unit this climate calls for. Pleasant Hill's winters don't get cold enough to need the cold-climate premium — a standard unit holds up fine. Source: NOAA station BUCHANAN FIELD AIRPORT, 2.8 miles from Pleasant Hill — the closest one on record.

What it actually costs to run, year to year

Electricity use for heating alone comes out to about 1,716 kWh a year on the 2000-square-foot reference house; folding in cooling puts the electric bill near $879 a year. That compares with roughly 23 Mcf a year of gas at Pleasant Hill's 22.01 per-Mcf rate — about $976 a year — against a local electricity rate of 32.83¢/kWh. Looked at as a full purchase rather than an incremental one, payback here is roughly 114 years, leaving the 15-year total $448 ahead.

If your home heats with electric baseboard instead of gas

Plenty of homes in Pleasant Hill heat with electricity alone, no gas line involved. Swap the comparison to resistance heat instead of gas, and Pleasant Hill's answer improves. Switching saves about $1,398 a year here — a heat pump moving heat rather than generating it needs far less electricity than resistance coils — so the extra $5,500 spent up front comes back in about 3.9 years.

How Pleasant Hill compares nationally

Pleasant Hill lands at position 2361 out of 3206 cities on heating severity (coldest is 1), and 1204 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 Pleasant Hill

Pleasant Hill, California is home to about 34,169 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 Pleasant Hill, nothing is lost by holding off until the current equipment genuinely fails.

Ask a local HVAC contractor for a quote before committing either way.

Reading further on this page's numbers

Every constant behind this page — the 3.19 seasonal COP, the degree-day corrections, the equipment costs — is documented in the methodology guide. Homes in Pleasant Hill without gas service should read the electric-resistance comparison instead — the numbers there differ from the gas case above.