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A contractor quoting a heat pump installation in Moultrie County has to size the system for what this area actually asks of it, and the weather record is one piece of that picture. 59 severe weather events were recorded in Moultrie County, Illinois between 2015 and 2024. At that rate, severe weather is an event here, not a standing condition. A system that has been running poorly was probably let down by installation quality or maintenance before the weather ever factored in. Contractors size and spec heat pump equipment for local demand, and in this county that demand is moderate enough that the install itself carries most of the weight.
Ductwork laid in for an older furnace was sized and routed for that furnace, and a heat pump moves air differently. Half the homes in Moultrie County, Illinois were built in 1968 or earlier (2020-2024 ACS 5-year). A contractor installing a heat pump in a house like that has to assess whether the existing duct system will carry the new equipment's airflow before the unit itself is even priced. If it will not, the duct work becomes part of the job. The electrical service gets the same look, since older panels were not wired with a heat pump's draw in mind.
What Gets Installed With a New Heat Pump
The outdoor unit is the piece a homeowner notices first, sitting on a concrete pad or wall brackets outside the house. It holds the compressor and the heat exchanger coil that face the exterior air. Inside, the air handler mounts in a closet, attic, or mechanical room and pushes conditioned air through the home.
A refrigerant line set runs between the two units, carrying the working fluid through insulated copper tubing that a contractor routes along an exterior wall or through a chase. The thermostat, mounted on an interior wall, is the control point that tells the system when to run and at what target temperature.
The drawing shows a typical layout, and a licensed contractor determines what applies to your specific house.
Get matched in Moultrie CountyMoultrie County, by the numbers
59 severe weather events were recorded in Moultrie County, Illinois 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 Moultrie County, Illinois were built in 1968 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesMoultrie County, Illinois holds 6,240 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 76.0% of the occupied homes in Moultrie County, Illinois (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesRules & Standards Behind Heat Pump Installation in Moultrie County, Illinois1 sourced rules and standards
Licensing and Legal Requirements in Moultrie County, Illinois
Illinois leaves HVAC licensing to the municipality: state law lets the corporate authorities of each city or village examine, license and regulate heating, air conditioning and refrigeration contractors, and caps the licence fee they may charge at $50 — so who licenses you depends on the town you work in.
Severe Weather Events in Moultrie County
Moultrie County's climate puts real pressure on heating and cooling equipment over time. A heat pump sized and installed for local conditions holds up better than one spec'd for somewhere else, which is why the weather record here is part of the picture.
59 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.