If you smell gas, leave the area. From a safe place, call MidAmerican at 800-595-5325 and call 911. If a carbon monoxide alarm is sounding, leave and call 911 from outside. What to do when the furnace is not working is the rest of that order.
Sioux Falls says contractors who do mechanical or HVAC work in the city need a city Mechanical Contractors License. A homeowner who lives in and owns a single-family home does not need that license, but must get mechanical homeowner permits and the required inspections.
Light and Power customers can ask about a heat pump rebate. Furnace rebates in 2026 lists those heat pump dollars. How to choose a furnace repair company is the checklist for the license number. What does a furnace repair cost? has the national HomeAdvisor range.
The local record for Sioux Falls
What it costs
HomeAdvisor, updated June 20, 2026, says furnace repair costs average $318, with a normal range of $133 to $505, and a wider range of $64 to $1,475. Those figures are national, not a bid. MidAmerican lists Sioux Falls for gas. Its furnace instant discount page names only Iowa and Illinois customers. The published city rebates are electric heat pump rebates.
Permits and registration
The city's mechanical contractor page says contractors who do mechanical or HVAC work in Sioux Falls need a city Mechanical Contractors License. A homeowner who lives in and owns a single-family home does not need that license, but must get mechanical homeowner permits, follow the mechanical code, and get the required inspections. The building permit FAQ says a building permit does not cover mechanical work unless a licensed mechanical contractor does it. The FAQ says building permits are issued at the Building Services office, first floor City Center, 231 N. Dakota Avenue, open 8 a.m. to 5 p.m. Monday through Friday.
Climate
NOAA's 1991-2020 annual normals for station USW00014944 list 7,248.5 heating degree days and 847.4 cooling degree days. The station file names that ID as SIOUX FALLS, South Dakota. The January normal daily minimum is 8.5 degrees Fahrenheit.
About Sioux Falls
The Census Bureau's July 1, 2024 population estimate for Sioux Falls city, South Dakota, in the Vintage 2024 city totals file, is 209,289. Sioux Falls Light and Power customers can apply for Heartland Energy heat pump rebates: $1,000 for a ducted air-source heat pump of 2 tons or more, $2,000 if the backup furnace or boiler is also electric, $2,000 for geothermal, and $500 for a non-ducted mini-split of 1 ton or more. The city page requires original receipts and proof that the old equipment was disposed of properly. Those are electric heat pump rebates. They are not gas furnace rebates. Only Light and Power customers qualify. MidAmerican's territory list pairs Sioux Falls with gas. If you smell gas, leave the area, then call MidAmerican at 800-595-5325 and call 911 from a safe place. MidAmerican's furnace discount page names only Iowa and Illinois customers.
Sources
- City of Sioux Falls: Mechanical Contractor
- City of Sioux Falls: Building Permit FAQs
- City of Sioux Falls: energy-efficiency rebate
- Heartland Energy: heating and cooling rebates
- MidAmerican Energy: service territory community list
- MidAmerican Energy: natural gas safety
- MidAmerican Energy: contact us
- MidAmerican Energy: home discounts and rebates
- NOAA 1991-2020 annual normals, station USW00014944
- NOAA 1991-2020 monthly minimums, station USW00014944
- NOAA GHCND station list
- Census Bureau city population estimates, Vintage 2024
- HomeAdvisor: furnace repair cost, updated June 20, 2026
- CPSC: Carbon Monoxide Questions and Answers
Who wrote and checked this page
- Written by
- Cold House Fix editorial staff. Who runs this site
- Facts checked
- , by the Cold House Fix editorial staff, against the sources listed on this page.
- Licensed professional
- None. No licensed heating contractor has checked this page.
Ask for a call about the furnace.
If you smell gas or a carbon monoxide alarm is sounding, leave the house and call your gas utility or 911 from outside. Asking for a call does not hire a company.