Furnace Repair Sioux Falls SD provides residential furnace repair and heating service for homeowners in Sioux Falls and nearby South Dakota communities. Service is available 24/7 for furnace breakdowns, no-heat situations, ignition and flame sensor problems, furnaces blowing cold air, short cycling, thermostat issues and other residential heating concerns. Call 605-800-7431 for a free phone quote and service availability. Please have your 5-digit ZIP code ready. Service Area: Sioux Falls, SD Brandon, SD Harrisburg, SD Tea, SD Hartford, SD Dell Rapids, SD Baltic, SD Crooks, SD Lennox, SD Canton, SD Worthing, SD