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Sizing a heat pump for a Greene County home is a local decision shaped more by what the climate asks of equipment day to day than by how often severe weather rolls through. 39 severe weather events were recorded in Greene County, Alabama between 2015 and 2024. At that rate, severe weather is an event rather than a standing condition, so a contractor planning an install is not engineering around storm exposure. The questions that drive the sizing conversation are cooling load, duct condition, and how the house is built, and those are what a contractor has to establish before any equipment is specified.
Ductwork laid in for a furnace and central air combination was designed around different airflow volumes than a heat pump requires, and whether it will carry the new system is the question a contractor has to answer before anything else on the job. Half the homes in Greene County, Alabama were built in 1981 or earlier (2020-2024 ACS 5-year). That spread across the housing stock means a contractor quoting a heat pump install here opens walls and measures static pressure rather than pulling specs off the existing equipment. What the ductwork can actually move determines whether the job is a straight swap or a more involved retrofit.
What Gets Installed With a New Heat Pump
The outdoor unit is the piece a homeowner sees first, sitting on a concrete pad beside the house. It holds the compressor and the outdoor coil, and it is where the system pulls heat from outside air or releases it depending on the season. The indoor air handler mounts inside, usually in a closet, attic, or utility room, and it circulates conditioned air through the home.
A refrigerant line set runs between the two units, carrying refrigerant back and forth through insulated copper tubing that a contractor routes along the exterior wall or through a chase. A thermostat goes on an interior wall and serves as the control point for the whole system, letting the homeowner set temperatures and switch between heating and cooling.
The drawing shows a typical layout, and a licensed contractor determines exactly how each piece fits the conditions of your house.
Get matched in Greene CountyGreene County, by the numbers
39 severe weather events were recorded in Greene 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 Greene County, Alabama were built in 1981 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesGreene County, Alabama holds 4,279 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 61.6% of the occupied homes in Greene County, Alabama (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesCodes & Standards Governing Heat Pump Installation in Greene County, Alabama1 sourced rules and standards
Licensing Rules for Greene 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 Greene County
Weather patterns in Greene County put real demands on heating and cooling equipment, affecting how hard a heat pump works and how long it holds up. That workload is a local fact, and it shapes what installation decisions make sense here.
39 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.