Heat Pump Installation Cost in Montgomery, Alabama
Expect to pay $5,400 to $13,200 for heat pump installation in Montgomery, AL. Most homeowners end up near $9,700, depending on the equipment tier and how much of the old setup can be reused.
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Montgomery Weather and HVAC Load
Montgomery logs 1,755 heating degree days and 2,846 cooling degree days in a normal year, based on the closest NOAA weather station. Cooling carries most of the load, which is why compressors and condenser fan motors wear out faster here than in northern cities. A normal year brings 40 nights at or below freezing and 92 days over 90°F. For a 2,000 sq ft house, this climate points to a heating load somewhere near 35,000 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 | 1,755 |
|---|---|
| Cooling degree days / year | 2,846 |
| Nights at or below 32°F | 40 |
| Days above 90°F | 92 |
| Average low / high | 57.1°F / 78.7°F |
Montgomery Housing Stock
Half the homes in Montgomery were built before 1977 (Census ACS median), so the typical house is about 49 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. Owners live in 54.3% of occupied homes, roughly 44,000 households. Homes here have a median value of $148,500 and households a median income of $55,687. Those two numbers drive the labor adjustment in our estimate.
NOAA storm reports for Montgomery County show 12 hail days and 21 days with damaging thunderstorm winds over the six years from 2020 to 2025. The largest hail reported was 1.75 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. Montgomery County also had 7 tornado days in that period.
When It Makes Sense
- Energy bills are higher than you want them to be
- Your AC needs replacing, and you'd like cheaper heat at the same time
- There's no natural gas service on your street
What Moves the Price
- Backup heat, either electric strips or a gas furnace (dual-fuel)
- A ducted system or a ductless mini-split
- Variable-speed (inverter) or single-stage compressor
- Size in tons, and whether the unit is cold-climate rated
- Electrical panel capacity and wiring
We kept the national figures close to unchanged for Montgomery 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
- The outdoor heat pump and an indoor air handler or coil
- Commissioning and warranty registration
- Thermostat setup and backup heat settings
- A load calculation and equipment selection
- Line set, drain and electrical hookups
Alabama Permits, Efficiency Rules and Rebates
Alabama 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 Montgomery; the contractor normally pulls it. Before you sign, ask each bidder for their Alabama 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
- Where winters get cold, ask for a model on the NEEP cold-climate list.
- Make sure the installer sized the system for your heating load, not only cooling.
- A dual-fuel setup keeps your gas furnace as backup for the coldest nights.
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Heat Pump Installation Questions from Montgomery Homeowners
How much is heat pump installation in Montgomery?
Plan on $5,400 to $13,200, with most jobs near $9,700. Equipment efficiency, house size and the condition of the ducts and wiring decide where your quote falls.
When is the best time to schedule heat pump installation in Montgomery?
Between late fall and early spring. With 92 days over 90°F, Montgomery contractors are booked solid all summer, and off-season jobs are easier to schedule and negotiate.
Do heat pumps work in cold weather?
Yes. Cold-climate heat pumps keep making heat well below 0°F. They lose efficiency as it gets colder, so many homes in cold regions keep backup heat.
How long does a heat pump last?
Usually 12 to 15 years. A heat pump runs year-round, so it needs maintenance twice a year rather than once.
Heat Pump Installation Near Montgomery
- Birmingham $4,900 to $12,100
- Tuscaloosa $5,200 to $12,700
- Mobile $5,400 to $13,200
- Huntsville $5,600 to $13,900
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station Montgomery; NOAA Storm Events Database 2020-2025, Montgomery County. Prices are our estimates, not contractor quotes. Updated 2026.