Alabama Air Condition

AC Installation in Huntsville

Serving Huntsville and every community across Madison County.

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Step 1 of 3: Equipment
View through a rain-streaked double-hung window of a neighboring single-story house with a gray sloped roof and light siding, surrounded by green trees under an overcast white sky.

A contractor quoting central AC installation in Madison County starts by working out how hard a system will actually run here, and the answer shapes every sizing and equipment decision they make. 576 severe weather events were recorded in Madison County, Alabama between 2015 and 2024. At that rate, severe weather is a standing condition of operating in this area, not an occasional disruption, and a system sized to catalog minimums rather than local reality will be running at or beyond its limits through stretches of every cooling season. Contractors who know this county spec equipment with that sustained load in mind from the beginning.

NOAA National Centers for Environmental Information, Storm Events Database, bulk CSV export, events 2015-01-01 through 2024-12-31.
Interior of an empty concrete block garage with a closed white sectional door, an aluminum step ladder and a large tan sack on the floor, and exposed galvanized ductwork and pipes beneath a wood-framed ceiling.

Ductwork laid down for older equipment carries assumptions about airflow, load, and layout that a new central AC system does not share. Half the homes in Madison County, Alabama were built in 1992 or earlier (2020-2024 ACS 5-year). A contractor installing a new system in housing from that era has to assess whether the existing duct runs can move the volume the new unit delivers, and whether the electrical service will carry the load, before the equipment itself becomes the question. Those two things, not the unit on the pad, are where the job gets priced and where it gets complicated.

U.S. Census Bureau, 2020-2024 American Community Survey 5-Year Estimates

What Gets Installed With a New Central AC

Isometric cutaway illustration of a single-story house with a dark shingled roof, showing interior rooms with ductwork and an indoor air handler connected to an outdoor condenser unit beside the building.

The outdoor condenser unit sits on a concrete pad beside the house and holds the compressor and condenser coil, the two components that do the heaviest work in the system. Inside, the air handler or furnace-based coil cabinet mounts in a utility space, a closet, or an attic, where it connects to the return and supply sides of the home's duct system.

The refrigerant lines run between the outdoor unit and the indoor coil, and a new lineset is part of what a contractor pulls when the system goes in. The thermostat, mounted on a main living-area wall, is the control point for the whole system and gets replaced or rewired to match the new equipment.

The drawing shows a typical layout, and a licensed contractor determines what fits the specifics of your house.

Get matched in Madison County

Madison County, by the numbers

576

576 severe weather events were recorded in Madison County, Alabama between 2015 and 2024.

NOAA National Centers for Environmental Information, Storm Events Database, bulk CSV export, events 2015-01-01 through 2024-12-31.
1992

Half the homes in Madison County, Alabama were built in 1992 or earlier (2020-2024 ACS 5-year).

U.S. Census Bureau, 2020-2024 American Community Survey 5-Year Estimates
178,607

Madison County, Alabama holds 178,607 housing units (2020-2024 ACS 5-year).

U.S. Census Bureau, 2020-2024 American Community Survey 5-Year Estimates
68.3%

Owners occupy 68.3% of the occupied homes in Madison County, Alabama (2020-2024 ACS 5-year).

U.S. Census Bureau, 2020-2024 American Community Survey 5-Year Estimates
Rules & Standards Governing Central AC Installation in Madison County, Alabama9 sourced rules and standards

What HVAC Installation Looks Like in Madison County

Split-system central air conditioners rated below 45,000 Btu/h manufactured on or after January 1, 2023 must meet a federal minimum of 13.4 SEER2.

U.S. Department of Energy10 CFR 430.32, Energy and water conservation standards and their compliance dates, Electronic Code of Federal Regulations.Verified 2026-09-10

Split-system central air conditioners rated at or above 45,000 Btu/h manufactured on or after January 1, 2023 must meet a federal minimum of 13.4 SEER2.

U.S. Department of Energy10 CFR 430.32, Energy and water conservation standards and their compliance dates, Electronic Code of Federal Regulations.Verified 2026-09-10

Split-system central air conditioners manufactured between January 1, 2015 and December 31, 2022 had to meet 13 SEER, the metric that preceded SEER2.

U.S. Department of Energy10 CFR 430.32, Energy and water conservation standards and their compliance dates, Electronic Code of Federal Regulations.Verified 2026-09-10

Single-package central air conditioners manufactured on or after January 1, 2023 must meet a federal minimum of 13.4 SEER2.

U.S. Department of Energy10 CFR 430.32, Energy and water conservation standards and their compliance dates, Electronic Code of Federal Regulations.Verified 2026-09-10

Space-constrained central air conditioners manufactured on or after January 1, 2023 must meet a federal minimum of 11.7 SEER2.

U.S. Department of Energy10 CFR 430.32, Energy and water conservation standards and their compliance dates, Electronic Code of Federal Regulations.Verified 2026-09-10

Federal efficiency standards for split-system central air conditioners and heat pumps are set on each certified combination of outdoor unit and indoor coil rather than on the outdoor unit alone.

U.S. Department of Energy10 CFR 430.32, Energy and water conservation standards and their compliance dates, Electronic Code of Federal Regulations.Verified 2026-09-10

Residential and light commercial air conditioning and heat pump systems assembled in the field, including mini-splits and unitary systems, may not be installed on or after January 1, 2025 using a refrigerant with a global warming potential above 700.

U.S. Environmental Protection AgencyU.S. Environmental Protection Agency, Technology Transitions HFC Restrictions by Sector, implementing the American Innovation and Manufacturing Act.Verified 2026-09-10

A field-assembled system whose specified components were all manufactured or imported before January 1, 2025 carries no installation compliance date under the refrigerant restrictions and may still be installed.

U.S. Environmental Protection AgencyU.S. Environmental Protection Agency, Technology Transitions HFC Restrictions by Sector, implementing the American Innovation and Manufacturing Act.Verified 2026-09-10

Licensing Rules That Apply in Madison County, Alabama

Alabama requires state certification to do heating, air conditioning and refrigeration contracting: nobody may advertise, bid, pull permits or do the work unless the person in responsible charge is a certified contractor.

Alabama Board of Heating, Air Conditioning and Refrigeration ContractorsAla. Code ch. 34-31 (Alabama Board of Heating, Air Conditioning and Refrigeration Contractors)Verified 2026-09-13

Severe Weather History in Madison County

Weather puts direct load on HVAC equipment, and Madison County gets the kind of weather that shortens the life of undersized or poorly installed systems. Central AC installation here has to account for local conditions, not averages drawn from somewhere else.

Severe weather events by county — Madison County
2001000
2015201620172018201920202021202220232024
111

576 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.