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HVAC Installation & Replacement in Metairie, Louisiana

Found 24 local pros· Pricing updated Jul 2026

Compare hvac installation & replacement contractors serving Metairie and Jefferson Parish. Read ratings, confirm Louisiana licenses, and contact pros directly — free for homeowners.

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All home services in Metairie · HVAC Installation & Replacement across Louisiana

Before hiring a hvac installation & replacement contractor in Metairie

  • 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 hvac installation & replacement pro actually needs in Louisiana? Read our HVAC licensing & insurance guide.

About hvac installation & replacement in Metairie

Metairie's slab-on-grade housing stock, much of it built in the 1950s-70s boom, wasn't designed around today's SEER2 equipment, and humid subtropical summers push undersized systems into constant overwork. A proper install means sizing the unit to the house, not the old duct opening. Below: established local companies serving Metairie, with real ratings shown; look for the Verified badge on contractors who've completed our verification process.

What HVAC installation costs in Metairie

Job Typical cost Time
3-ton central AC/heat pump replacement $5,800 – $9,500 1 day
Full system + ductwork rerun $9,000 – $16,000 2–4 days
Ductless mini-split (single zone) $3,500 – $6,000 1 day
New system + electrical panel upgrade $7,500 – $13,500 1–2 days
Elevated pad/curb for flood compliance $600 – $1,500 half day

Estimates only — get written quotes from at least two installers before signing.

Sizing and installation quality

  • Manual J load calculation, not a guess. A unit sized off square footage alone runs short cycles in Metairie humidity, leaving the house cold but clammy. Ask if they calculate load room-by-room.
  • SEER2 minimums apply. Federal standards raised efficiency floors — a legitimate installer quotes SEER2-rated equipment, not old stock.
  • Elevation matters near drainage canals. Homes close to the 17th Street or Metairie Relief canals often need condensers set on elevated pads to survive minor street flooding.
  • Permits go through Jefferson Parish, not the city of New Orleans — confirm your installer pulls one; unpermitted work complicates resale and insurance claims later.

Repair vs. replace

Past 12–15 years, on phased-out refrigerant, or with a failed compressor or coil, replacement usually beats another repair. Watch for the "needs replacing today" pressure pitch after a routine tune-up — a legitimate diagnosis comes with photos, not a same-day deadline.

Common questions about hvac installation & replacement in Metairie

How much does HVAC installation cost in Metairie?
A full 3-ton central AC or heat pump replacement typically runs $5,800 to $9,500 in Metairie. Adding new ductwork or a full electrical panel upgrade can push the total to $13,000-$16,000. Get at least two written quotes before committing.
Do I need a permit for HVAC installation in Metairie?
Yes. Metairie is unincorporated Jefferson Parish, so permits go through the parish's Inspection & Code Enforcement office, not the City of New Orleans. A licensed installer should pull the permit as part of the job; unpermitted work can complicate insurance claims and resale.
How long does a new HVAC system take to install?
A straightforward system swap with existing ductwork usually takes one day. Jobs that involve rerouting ductwork, upgrading the electrical panel, or elevating the outdoor unit for flood compliance typically take 2-4 days.
What size AC unit does a typical Metairie home need?
It depends on square footage, insulation, window exposure, and duct condition, not just a rule of thumb. Ask installers whether they run a Manual J load calculation. Undersizing is common in Metairie's older homes and leads to a system that runs constantly but never quite dries the air.
Should I repair or replace an aging AC system?
If the system is past 12-15 years old, uses a phased-out refrigerant, or the compressor or coil has failed, replacement is usually the better value than another repair. Ask for a written diagnosis with photos before agreeing to same-day replacement.
Why do some Metairie homes need elevated HVAC pads?
Houses near the 17th Street Canal or Metairie Relief Canal can see minor street flooding during heavy storms. Setting the outdoor condenser on an elevated pad or curb, typically $600-$1,500, protects the unit and is often recommended even where not strictly required.
Is a ductless mini-split a good option in Metairie?
Mini-splits work well for room additions, garage conversions, or homes without existing ductwork, and installation runs $3,500-$6,000 per zone. They're less cost-effective as a whole-house solution compared to central systems when ductwork already exists.

Nearby service areas

About Metairie

Metairie is the largest unincorporated community in Louisiana, sitting in Jefferson Parish directly west of Orleans Parish along the Lake Pontchartrain shoreline. The area combines dense suburban housing — mid-century brick ranches around Old Metairie, postwar slab construction in Bonnabel, and high-rise condos along Veterans Memorial Boulevard — with a high homeownership rate and a strong concentration of professional households. Jefferson Parish enforces its own permit and inspection process for HVAC, plumbing, and electrical work, distinct from Orleans Parish next door. The lake-adjacent climate produces aggressive humidity year-round and salt-air corrosion on outdoor HVAC condensers near Bucktown and West End. Drainage relies on Jefferson Parish pump stations, and homes built in low-lying areas often need sump pump and backflow protection. Older Metairie neighborhoods commonly have cast-iron sewer laterals, galvanized water lines, and 100-amp electrical panels that are due for upgrade. GulfServicePros lists established Metairie companies with ratings shown, so you can compare pros familiar with Jefferson Parish code and the local building stock. Contractors that complete our verification process carry a Verified badge.