Should Slidell switch to a heat pump?
In Slidell, a heat pump pays for itself within a reasonable window. 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). Lower bills claw that back: about $272 saved annually, for a payback of roughly 3.7 years. The window here is reasonable, and it's specific to what Slidell actually pays for power and gas.
Slidell's weather, in the numbers that matter
Degree days tell the story here: Slidell racks up 1172 heating degree days each year (base 65°F), and summers are severe enough that cooling can dominate the annual bill, with 3201 cooling degree days on the cooling side. 28°F is the figure equipment gets sized against here — the 99th-percentile cold snap, not an average day — with a record low of 18°F on file. Worked through the model, that's a seasonal COP of 3.03 on the standard unit fit for this climate. Slidell's winters don't get cold enough to need the cold-climate premium — a standard unit holds up fine. Source: NOAA station SLIDELL AIRPORT, 4.4 miles from Slidell — the closest one on record.
What it actually costs to run, year to year
Electricity use for heating alone comes out to about 979 kWh a year on the 2000-square-foot reference house; folding in cooling puts the electric bill near $501 a year. That compares with roughly 12 Mcf a year of gas at Slidell's 17.38 per-Mcf rate — about $773 a year — against a local electricity rate of 13.52¢/kWh. Priced as a standalone purchase rather than against a like-for-like replacement, equipment payback runs about 40.5 years, for a 15-year net position $3,074 ahead.
Electric resistance heat in Slidell, compared
Not every home in Slidell has gas service. Swap the comparison to resistance heat instead of gas, and Slidell's answer improves. Switching saves about $461 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 11.9 years.
How Slidell compares nationally
Slidell lands at position 2804 out of 3206 cities on heating severity (coldest is 1), and 1409 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.
Deciding what's next in Slidell, LA
Slidell, Louisiana is home to about 28,440 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. Given the math above, Slidell is a place worth lining up quotes ahead of a breakdown, not waiting for one.
Line up a few local HVAC quotes before you decide.
More on how this number was built
Nothing above is a black box: the methodology guide shows the full arithmetic behind Slidell's 3.03 seasonal COP and payback figure. The $2,000 federal credit baked into Slidell's number is explained, with the before-and-after math, in the tax credit guide.