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Getting the sizing right before a furnace is installed matters more in this county than a contractor who works one region might appreciate. Homes in Pulaski County, MO run heat about seven months a year, from October through April. The burner and ignition system cycle through that entire stretch, and components that are undersized for the actual load start degrading before the homeowner has had time to notice anything wrong. A contractor quoting a new furnace here needs to run a proper load calculation against this house, not borrow a number from a neighboring job.
Existing ductwork is what determines how a furnace installation actually goes in Pulaski County. Half the homes in Pulaski County, Missouri were built in 1994 or earlier (2020-2024 ACS 5-year). Duct systems in houses that old were sized for equipment with different airflow requirements than what a contractor brings in today, and a duct run that worked for a previous unit can restrict or overload a new one. That mismatch is what a contractor measures before anything else gets priced, because the electrical service in houses of this vintage carries the same question: whether the panel was sized for the draw a modern furnace puts on it.
What Gets Installed With a New Furnace
The furnace itself sits in the basement, utility room, or closet and is the unit a homeowner sees most clearly. Inside it, the heat exchanger and burner assembly do the core work, while the blower motor pushes conditioned air out into the home. These are the pieces a contractor sources, positions, and connects when a new system goes in.
The flue or vent pipe runs from the furnace to an exterior wall or through the roof, carrying combustion gases out of the house. Alongside the furnace, the contractor fits a new filter housing and connects the system to the thermostat, which sits on an interior wall and gives the homeowner control over the whole unit.
The drawing shows a typical layout, and a licensed contractor determines exactly what applies to your house.
Get matched in Pulaski CountyPulaski County, by the numbers
115 severe weather events were recorded in Pulaski County, Missouri 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 Pulaski County, Missouri were built in 1994 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesPulaski County, Missouri holds 19,431 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 61.2% of the occupied homes in Pulaski County, Missouri (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesFurnace Installation Rules for Pulaski County, Missouri4 sourced standards and codes
What HVAC Installation Looks Like in Pulaski County
Non-weatherized gas furnaces manufactured on or after November 19, 2015 must reach 80.0 percent AFUE.
Non-weatherized oil-fired furnaces manufactured on or after November 19, 2015 must reach 83.0 percent AFUE.
Mobile home gas furnaces manufactured on or after November 19, 2015 must reach 80.0 percent AFUE.
Non-weatherized gas furnaces manufactured on or after December 18, 2028 must reach 95.0 percent AFUE, up from the 80.0 percent minimum that applies to units manufactured before that date.
Severe Weather Events in Pulaski County
Weather puts a measurable load on heating equipment, and that load is local. A furnace sized and installed for this county's conditions will run differently than one specced somewhere else, which is why the record below matters to any installation decision made here.
115 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.