Robert Gibb & Sons

Robert Gibb & Sons is a full-service mechanical contractor working on plumbing, heating, air conditioning, and electrical systems for homes and commercial buildings. The family-run company, founded in 1915, handles furnaces, air conditioners, boilers, geothermal systems, water heaters, drain cleaning, sump pumps, and gas piping, along with commercial HVAC maintenance and larger mechanical and fabrication projects.

Service calls can be booked by phone or text at 701-282-4400, or scheduled online, and the company offers 24/7 emergency service for heating, cooling, and plumbing problems. Texting is only handled during regular weekday business hours. Free estimates are offered on new installations and major repairs, and financing with payment plans is available. The company has a Fargo office and a Bismarck location.