Sioux City Winair

Established in 1935, Dennis Supply Company offers a variety of comfort systems. The company provides heaters, fireplaces, furnaces, heat pumps, blowers, ventilators, air conditioners, refrigerants and split systems. It offers a range of accessories, including belts, bearings, sheaves, condenser pads, electrical whips, registers, liners, fan blades and ball valves. The company provides products from manufacturers, including Copeland, Gibson, Honeywell, LG, Aprilaire, Mueller, Frigiadaire, Johnson, Russell, Maytag, Summit and White Rogers. It also provides motors of various brands, such as Fasco, General Electric, Emerson and Marathon. Its chemicals include refrigerant oils, coil cleaners, leak detectors and ice machine cleaners. Dennis Supply Company operates various locations in Sioux Falls and Rapid City, S.D.; Casper, Wyo.; Waterloo, Des Moines, Ames, Urbandale, Council Bluffs and Sioux City, Iowa; and Grand Island, Omaha, Lincoln and Scottsbluff, Neb. It is a member of the Air Conditioning and Refrigeration Wholesalers Association.

Accu-Temp is a locally owned residential and commercial heating and air conditioning company serving the South Sioux City, Neb. area. We are committed to keeping your indoor environment comfortable with quality products and superior customer service.

Established in 1970, Rasmussen Mechanical Services was previously known as Rasmussen Heating and Air Conditioning. Located in Sioux City, Iowa, it is a single source provider of service, repair, installation and design. The company offers a range of services, such as National Board welding and repairs, design-build, installation and full-service parts distribution. Rasmussen Mechanical Services operates Heating, Ventilating and Air Conditioning Services; Mechanical Construction; Industrial Burner Services; Code Services and Boiler Repair; Temperature Controls; Air and Water Balancing; Lab Safety Certification and Repair; and Parts and Equipment Sales divisions. It caters to the needs of commercial, industrial, and institutional clients throughout the Central United States. The company is a member of the Mechanical Service Contractors of America, Excellence Alliance and National Sanitary Foundation, among others.