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Sizing central AC in Morgan County means accounting for what the system will be running against from the day it goes in. 295 severe weather events were recorded in Morgan County, Alabama between 2015 and 2024. At that rate, severe weather is a regular operating condition rather than an occasional interruption, and a contractor who ignores it when selecting equipment and designing the install is underbuilding for the actual load. A unit that is correctly sized for a calmer climate can be undersized here. That shapes which equipment a contractor specifies and how they set up the install to handle sustained demand.
Ductwork laid down for an earlier generation of equipment carries assumptions about airflow and routing that a modern central AC system does not share. Half the homes in Morgan County, Alabama were built in 1983 or earlier (2020-2024 ACS 5-year). A contractor scoping an installation here has to assess whether those ducts can move the air a new system will push, and whether the electrical service will carry the load, before the unit itself is even selected. A house that needs a new air handler and a duct system rebuilt to match is a different job and a different price from one where the existing runs will serve.
What Gets Installed With a New Central AC
The outdoor condenser unit sits on a concrete pad beside the house and holds the compressor and condenser coil, which are the heart of the refrigeration side of the system. Inside, the air handler or furnace-and-coil assembly mounts in a utility space, closet, or attic and moves conditioned air into the duct system.
The refrigerant line set runs between the two units, connecting the indoor and outdoor sides through the walls or crawlspace. A thermostat goes on an interior wall where it reads the home's air temperature and tells the system when to run.
The drawing shows a typical layout, and a licensed contractor determines exactly how each component is positioned and connected in your home.
Get matched in Morgan CountyMorgan County, by the numbers
295 severe weather events were recorded in Morgan 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.Half the homes in Morgan County, Alabama were built in 1983 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesMorgan County, Alabama holds 53,905 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 72.7% of the occupied homes in Morgan County, Alabama (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesRules & Standards Governing Central AC Installation in Morgan County, Alabama9 sourced rules and standards
What the Installation Looks Like
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.
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.
Split-system central air conditioners manufactured between January 1, 2015 and December 31, 2022 had to meet 13 SEER, the metric that preceded SEER2.
Single-package central air conditioners manufactured on or after January 1, 2023 must meet a federal minimum of 13.4 SEER2.
Space-constrained central air conditioners manufactured on or after January 1, 2023 must meet a federal minimum of 11.7 SEER2.
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.
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.
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.
Licensing and Legal Requirements in Morgan 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.
Severe Weather Events in Morgan County
Weather puts a measurable load on HVAC equipment, and that load is not the same in every county. A system sized and installed for the conditions here handles what the climate actually delivers.
295 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.