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H.A. Thompson & Sons

911 S. 9th St.
Bismarck, ND 58504
★★★★★ 4.2 stars
58 Reviews

Tradition...Since 1908


Emergency Service Available
Mon: 8:00am - 5:00pm
Tue: 8:00am - 5:00pm
Wed: 8:00am - 5:00pm
Thu: 8:00am - 5:00pm
Fri: 8:00am - 5:00pm
Sat: Closed - Closed
Sun: Closed - Closed

Trane Home Trane Comfort Specialist

About Us


A 4th generation family owned company, H.A. Thompson & Sons provides residential heating and cooling services in south central North Dakota and commercial services throughout the state. We provide service 24/7 with the largest service department in North Dakota. If you need heating or cooling service and live in the Bismarck or Fargo ND area, call us today!

License Number: ND211

Our Services

  • Air Conditioners
  • Air Filters
  • Boilers
  • Ductless Air Conditioning
  • Ductless Mini Split
  • Evaporative Coolers
  • Furnaces
  • Heat Pumps
  • Indoor Air Quality
  • Radiant Floor Heat
  • Zoning
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