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Central AC in Franklin County is sized and installed against a climate that asks almost nothing of the compressor each year. Homes in Franklin County, NY have essentially no cooling season — no month of the year is warm enough to call for it. A compressor that never runs does not wear out on its cycles, but it does sit idle through long stretches of heat, cold, and humidity that degrade capacitors, contactors, and refrigerant seals without a single start. When a contractor quotes a new system here, the load calculation still matters, because an oversized unit short-cycles in the rare hours it does run and sheds its contactor life faster than an appropriately matched one.

Ductwork laid for a furnace and a floor register layout does not automatically carry a central AC system without adjustment. Half the homes in Franklin County, New York were built in 1967 or earlier (2020-2024 ACS 5-year). A contractor quoting the job has to walk the existing duct runs, measure what they actually move, and check whether the electrical service handles the new draw before the equipment selection means anything. Those are the decisions that set the scope and the price, and they come from what is in the walls, not from what is in the catalog.
What Gets Installed With a New Central AC

The outdoor condenser unit sits outside the house, usually on a concrete pad beside the foundation, and houses the compressor and condenser coil. Inside, the air handler or furnace-based evaporator coil assembly occupies a utility closet, basement, or attic, and is the indoor half of the system a contractor connects to your existing ductwork.
The refrigerant line set runs between the two units through a small penetration in the wall, carrying refrigerant back and forth as the system operates. A programmable thermostat goes on an interior wall and gives you control over the whole system once the contractor has wired and commissioned everything.
The drawing shows a typical layout, and a licensed contractor determines exactly what applies to your house and how each piece is positioned within it.
Get matched in Franklin CountyFranklin County by the Numbers
140 severe weather events were recorded in Franklin County, New York 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 Franklin County, New York were built in 1967 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesFranklin County, New York holds 25,494 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 72.5% of the occupied homes in Franklin County, New York (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesRules & Standards for Central AC Installation in Franklin County, New York8 sourced rules and standards
What the Installation Actually 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.
Severe Weather Events in Franklin County
Weather puts a load on HVAC equipment, and that load is shaped by where you live. A central AC system sized and installed for Franklin County's conditions handles the work this climate actually asks of it.
140 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.
