Furnace Replacement Cost in Shreveport, Louisiana
Furnace replacement in Shreveport runs about $4,600 for a typical job. Basic installs start near $2,600. High-efficiency equipment with duct or electrical work can reach $6,300.
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Shreveport Weather and HVAC Load
Shreveport logs 2,067 heating degree days and 2,676 cooling degree days in a normal year, based on the closest NOAA weather station. Neither season dominates in Shreveport. That balance is a big reason heat pumps and dual-fuel systems sell well in Louisiana. On average, Shreveport gets 30 freezing nights and 98 days above 90°F per year. For a 2,000 sq ft house, this climate points to a heating load somewhere near 40,000 BTU/h. Treat that as a starting number. A Manual J calculation will move it up or down based on insulation and windows.
| Heating degree days / year | 2,067 |
|---|---|
| Cooling degree days / year | 2,676 |
| Nights at or below 32°F | 30 |
| Days above 90°F | 98 |
| Average low / high | 55.6°F / 77.5°F |
Shreveport Housing Stock
The median Shreveport home dates to 1973, according to the Census ACS. That makes the typical house about 53 years old. A lot of these homes are on their second or third system by now. The ductwork is usually original, and leaky joints are common. Shreveport has roughly 41,000 owner-occupied homes, or 53.8% of households. Homes here have a median value of $178,100 and households a median income of $48,465. Those two numbers drive the labor adjustment in our estimate.
Caddo Parish had 22 hail days and 54 days with damaging thunderstorm winds from 2020 through 2025, according to NOAA storm records. The largest hail reported was 3 inches across. Hail flattens the thin aluminum fins on condenser coils and cuts airflow. After a big storm, take a look at the outdoor unit; homeowners insurance often covers the damage. Caddo Parish also had 15 tornado days in that period.
When Replacement Makes Sense
- Some rooms stay cold, the burner short-cycles, or the ignitor keeps failing
- A tech found a cracked heat exchanger, or the CO detector has gone off
- The furnace is 15 to 20 years old or more
- Gas or electric bills keep climbing even though usage hasn't changed
What Moves the Price
- AFUE rating: a basic 80% unit vs. a 96% condensing furnace
- New PVC venting if you move to a condensing model
- BTU size, which should come from a Manual J load calculation
- Condition of the existing ductwork and any changes it needs
- Single-stage, two-stage or modulating gas valve
- Permit and inspection fees, which the local building department sets
We lowered the national figures about 19% for Shreveport using local income, home values and the equipment size this climate needs. Real bids can still come in outside the range, so collect three written quotes.
What the Quote Should Cover
- Removing and hauling away the old furnace
- Gas line and vent connections
- The permit and the manufacturer warranty registration
- The new furnace, filter rack and thermostat wiring
- Combustion and safety tests
Louisiana Permits, Efficiency Rules and Rebates
Louisiana is in the DOE's Southeast region, where new split central air conditioners need at least 14.3 SEER2 (13.8 SEER2 for systems of 45,000 BTU/h and up). Plan on a mechanical permit for most replacements in Shreveport; the contractor normally pulls it. Before you sign, ask each bidder for their Louisiana license or registration number and proof of insurance. The federal 25C tax credit ended for equipment installed after December 31, 2025, so incentives now come mostly from utilities and state programs. Check your electric and gas utility's rebate page before you pick equipment.
Before You Hire
- Replace it in early fall if you can. A no-heat emergency in January costs more and leaves you fewer choices.
- Ask for the Manual J load calculation in writing. Oversized furnaces are the most common mistake we see.
- Make sure all three quotes are for the same AFUE and staging, or you can't compare them.
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Furnace Replacement Questions from Shreveport Homeowners
How much is furnace replacement in Shreveport?
Plan on $2,600 to $6,300, with most jobs near $4,600. Equipment efficiency, house size and the condition of the ducts and wiring decide where your quote falls.
When is the best time to schedule furnace replacement in Shreveport?
In spring or fall. Those are the slow months between heating and cooling season in Shreveport.
How long does a furnace replacement take?
A straight swap is usually done in one day, somewhere between 4 and 10 hours. Moving to a condensing furnace with new PVC venting can add a few more.
Is a high-efficiency furnace worth it?
In cold climates, a 95%+ AFUE furnace usually earns back the price difference in lower gas bills. Where winters are mild, the payback can take a very long time.
Furnace Replacement Near Shreveport
- Baton Rouge $2,600 to $6,400
- Metairie $2,900 to $7,100
- New Orleans $2,700 to $6,600
- Lafayette $2,800 to $6,700
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station Shreveport; NOAA Storm Events Database 2020-2025, Caddo Parish. Prices are our estimates, not contractor quotes. Updated 2026.