GulfServiceProsGulfServicePros
Get listed
Skip to results

Heating & Furnace Repair in Gretna, Louisiana

Found 16 local pros· Pricing updated Jul 2026

Compare heating & furnace repair contractors serving Gretna and Jefferson Parish. Read ratings, confirm Louisiana licenses, and contact pros directly — free for homeowners.

Show closest pros first

Enter your ZIP to sort by distance.

Sorted by distance from Gretna. Enter your ZIP above to sort by your exact location.

16 pros

Explore more

All home services in Gretna · Heating & Furnace Repair across Louisiana

Before hiring a heating & furnace repair contractor in Gretna

  • Verify the contractor's license with our free license lookup tool (checks the state board's records).
  • Confirm insurance is current. Ask for a Certificate of Insurance (COI).
  • Regional utilities include Electric: Entergy Louisiana, DEMCO, Cleco; Gas: CenterPoint Energy, Atmos Energy.
  • Get the full scope in writing before work begins (what's included vs. add-ons).
  • Ask about response time and workload during subtropical humid seasons.
  • Compare at least 2 quotes for larger jobs.
  • Not sure what license or insurance a heating & furnace repair pro actually needs in Louisiana? Read our HVAC licensing & insurance guide.

About heating & furnace repair in Gretna

Gretna has some of the oldest continuously occupied housing on the West Bank, and that shows up in how homes here are heated: Old Gretna still has wall furnaces and floor furnaces in service, while the postwar blocks run gas furnaces and heat pumps that sit idle nine months a year and get asked to work on the first hard night. The companies below serve Gretna, several based in the city itself; ratings are shown, and contractors that complete our verification process carry a Verified badge.

What heating repair costs in Gretna

Repair Typical cost Time
Diagnostic visit $85–$150 ~1 hour
Igniter or flame sensor $150–$350 1 hour
Thermostat replacement $150–$350 1 hour
Blower motor $400–$700 2–3 hours
Heat pump reversing valve $600–$1,200 half day
Cracked heat exchanger $1,200–$2,500 half–full day

Local estimates — get a written quote after diagnosis, not over the phone.

Why Gretna systems fail on the first cold night

  • Nine months of sitting still — dust bakes onto the burner assembly and flame sensor over a long Gulf Coast summer. The first call for heat is when it shows up, which is why December phones ring all at once.
  • Undersized returns in older homes — tight lots and later add-ons left many Gretna houses with return air that can't feed the furnace properly. Symptoms look like a dying blower; the cause is airflow.
  • Heat pumps in emergency mode — if your electric bill spikes in January, auxiliary strip heat may be running constantly because the outdoor unit isn't keeping up. That's a repair, not normal operation.
  • Old floor and wall furnaces — still common in Old Gretna. These need a genuine combustion and carbon monoxide check, not a glance.

The carbon monoxide question, honestly

Any gas-fired heater with age on it deserves a heat exchanger inspection before winter. A cracked exchanger is the one heating failure that is genuinely dangerous, and it is not visible without the right instrument. If a tech tells you the exchanger is cracked, ask to see it on camera and get a second opinion before authorizing a replacement — it is also the most commonly oversold repair in the trade. A fall tune-up catches it early and cheaply.

Cooling and heating are usually the same crews and often the same equipment: if your system does both, see AC repair in Gretna. Before you book anyone, run the company through our Louisiana contractor license lookup — mechanical work in Gretna requires a state LSLBC license, and the check takes about a minute.

Common questions about heating & furnace repair in Gretna

How much does furnace repair cost in Gretna?
Most Gretna heating repairs land between $150 and $700 — igniters, flame sensors, and thermostats at the low end, blower motors at the high end. A cracked heat exchanger is the expensive exception at $1,200–$2,500, at which point replacing the furnace is often the better value. Expect an $85–$150 diagnostic fee, and ask whether it credits toward the repair.
Why does my heater smell like burning when I first turn it on?
A brief dusty smell on the first run of the season is normal — it's dust burning off the heat exchanger after months of disuse, and it should clear within 20 to 30 minutes. A persistent burning smell, or any acrid or electrical odor, is not normal. Shut the system down and have it looked at before running it again.
Do I really need heating service in south Louisiana?
Yes, though less often than up north. Gretna sees a handful of genuine freeze nights most winters, and the January 2025 hard freeze proved how fast demand spikes when systems that have sat idle all year are asked to run. An annual pre-winter check is cheap insurance against being on a three-day waitlist.
Is a cracked heat exchanger dangerous?
Yes — a cracked heat exchanger can leak carbon monoxide into the living space, and it's the one heating fault worth treating as urgent. It's also among the most oversold repairs in the trade, so ask the technician to show you the crack on a camera and get a second opinion before authorizing a full furnace replacement.
Why is my electric bill so high when the heat pump runs?
Heat pumps fall back on electric auxiliary strip heat when the outdoor unit can't extract enough warmth or has a fault. Strip heat is expensive to run, so a January bill spike usually means the heat pump is struggling, not that heat pumps are inefficient. Have the refrigerant charge and defrost cycle checked.
Do heating repair companies in Gretna need a Louisiana license?
Most heating and furnace work requires a state mechanical license from the Louisiana State Licensing Board for Contractors, and Jefferson Parish requires permits for work beyond minor repair. You can check any company's license number and status before you call. Reputable Gretna contractors give you the number without hesitation.

Nearby service areas

About Gretna

Gretna is the parish seat of Jefferson Parish on the West Bank of the Mississippi River, directly across from downtown New Orleans. The city has one of the oldest continuously occupied housing stocks on the West Bank, with historic 19th-century homes in Old Gretna alongside mid-century slab construction throughout the rest of the city. The combination of old building stock, low elevation, and lake-adjacent humidity drives steady demand across nearly every home service category — from sewer line repair through clay-heavy soil to whole-home rewiring of homes built before modern grounding standards. Jefferson Parish permitting applies, and the historic district imposes additional review for exterior work. Older Gretna homes commonly need plumbing repipes, electrical service upgrades, and HVAC system replacements that account for the city's tight lot configurations and limited equipment access. GulfServicePros lists established companies serving Gretna with ratings shown, so you can compare pros familiar with the parish code, the historic district requirements, and the West Bank service environment. Contractors that complete our verification process carry a Verified badge.