Why Did My Electric Bill Double?
You didn’t change anything about how you run your AC. Your bill doubled anyway. Here’s the honest math — humidity, leaky ducts, oversized units, and that filter you forgot to change.
Four things you’re probably paying for
None of these show up on the thermostat. That’s the problem — you can’t fix what you can’t see, so the meter keeps running.
Your AC isn’t just cooling air — it’s pulling moisture out of it. On a 90°F day at 80% relative humidity, dehumidification is roughly 30–50% of the energy your system burns. You see 72° on the thermostat and assume the job is done; the system paid a real kWh bill to do the invisible half.
Seams, boots, attic runs — cooled air is escaping into spaces where it does you no good. In Louisiana attics that hit 140°F in July, 20–30% loss through leaky ducts is common. You’re paying to condition your attic instead of your living room.
A unit that’s too big short-cycles — runs 5–10 minutes, stops, then starts again. It never runs long enough to actually dehumidify, the compressor wears faster, and you end up paying more kWh per actual °F of cooling delivered.
A clogged filter chokes airflow. The blower works harder, the coil runs colder (and can ice up), and run-times stretch. A $10 filter that should have been changed 60 days ago can quietly add 10–20% to your summer bill.
Metairie & Jefferson Parish specifics
Southeast Louisiana is a worst-case climate for cooling bills. The combination of long, humid summers and attic temperatures well above outdoor ambient means duct leakage and latent load both cost more here than they do in drier parts of the country.
Baton Rouge readers: see our East BR Parish service page →
Capital Area coverage from 70801 through 70820 — Baton Rouge, Baker, Zachary, Denham Springs, Prairieville, and the rest of EBR Parish.
Summer humidity
Metairie summer humidity regularly runs 75–90% relative humidity. Every percent of moisture the system pulls out of the air is energy that doesn’t show up on the thermostat.
Residential rate trend
Entergy Louisiana residential rates have climbed steadily over the last several years. The bill spike isn’t just usage — it’s usage multiplied by a rate that keeps going up.
Attic temperatures
A Louisiana attic can reach 140°F on a July afternoon. Any duct leakage up there is dumping cooled air straight into one of the hottest spaces in your house.
A free AC efficiency checkup — the honest version
We come out, spend about 30 minutes measuring what your system is actually doing, and leave you with a written list of what’s costing you money. No quote, no upsell, no “today-only” discount. You decide what to do with the information.
Schedule yours
Drop your name and email and we’ll reach out to set a window. We’ll also send our homeowner guide so you have something useful while you wait.
What homeowners in your situation ask us
These are the questions that come up on every bill-spike call. Honest answers — the kind we’d give a neighbor.
System acting up, not just expensive?
If it’s actually broken — not cooling, leaking, making noise — that’s an emergency. We’re on the road 24/7 across Southeast Louisiana.
24/7 Emergency Service →Want the full homeowner playbook?
Free 10-tip guide on filters, drainage, thermostats, refrigerant lines, and when to call a pro — written for Louisiana homes.