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On a repair call in Hand County, a contractor goes straight to the burner assembly and ignition system before anything else. Homes in Hand County, SD run heat about nine months a year, from September through May. That kind of extended cycling loads the heat exchanger and igniter far harder than the blower or the electrical controls, and a failed igniter or cracked exchanger is what the diagnostic almost always turns up. A system that has been misfiring at startup runs that fault forward through every subsequent cycle, so by the time a homeowner calls, the damage is already layered.
Half the homes in Hand County, South Dakota were built in 1966 or earlier (2020-2024 ACS 5-year). A furnace running in a house that old was almost certainly installed well after the house was built, which means the system and the structure it sits in were never designed around each other. When a contractor opens a furnace for repair in this county, the question that drives the bill is whether the parts that system takes are still being manufactured. Older equipment often runs on components that suppliers have discontinued, and a contractor has to confirm availability before a repair scope can be set.
The Parts of a Furnace a Contractor Checks First
The furnace cabinet sits in the basement, utility room, or closet and holds the core components a contractor goes to first: the heat exchanger, which transfers heat to the air moving through the system, and the burner assembly below it, where the flame originates. A cracked heat exchanger or a burner that misfires shows up fast in how the furnace performs.
The blower motor sits at the base of the cabinet and pushes conditioned air out through the supply side of the system. Alongside it, the control board and igniter are the first places a contractor looks when the furnace fails to start or cycles erratically, since both govern when and how the burner fires.
The drawing shows the general layout of a furnace system, and a licensed contractor determines which components apply to your specific house and situation.
Find a contractor in Hand CountyHand County, South Dakota, by the numbers
230 severe weather events were recorded in Hand County, South Dakota 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 Hand County, South Dakota were built in 1966 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesHand County, South Dakota holds 1,719 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 65.5% of the occupied homes in Hand County, South Dakota (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesCodes & Standards Governing Furnace Repair in Hand County, South Dakota4 sourced rules and standards
What the Repair Visit Looks Like
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 History in Hand County
Heating equipment in Hand County works against whatever the climate throws at it, and that workload shapes how often repairs become necessary. A furnace that runs hard through rough weather ages differently than one that does not, which is why local conditions are part of the repair picture here.
230 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.