Heating & AC
  • Furnaces
  • Air Conditioners
  • Geothermal Systems
  • Boilers

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  • Remodel and Retrofit
  • Water Heaters
  • Drain Cleaning
  • Fixture Repair

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  • Lighting
  • Emergency Generators
  • Electric Heating
  • Low Voltage Wiring

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  • Piping Fabrication
  • 3D Modeling
  • Maintenance
  • Sheet Metal Fabrication

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Our company

About Us


years of experience

Responsive. Accountable. Trusted. Since 1915.

Robert Gibb & Sons

We are a leading full-service mechanical contractor in the Midwest specializing in plumbing, heating, air conditioning, electrical services, and more. From multi-million dollar commercial and industrial construction projects to projects in your home, the people at Robert Gibb & Sons understand that excellence isn’t just a goal: It’s our responsibility.

What Our Customers Are Saying

  • Carly Hearn

    I received excellent service from Robert Gibb and sons. Bob Wagner came over and fixed my plumbing issues quickly. He was so kind and patient with me and explained the problems and solutions to me. I would personally recommend Bob and Gibb and Sons for quick and reliable service. I haven’t had any problems since then. Thanks guys!

  • Aaron Mohagen

    Had central air worked on. Quick prompt service. Very helpful and honest. Friendly service technician. Highly recommended.

  • James Teigland

    My furnace stopped working and RGS showed up within a couple hours of calling and had it working before the end of the day for a reasonable price.

  • Brian Erdmann

    I called Robert Gibb & Sons after our furnace appeared to be having problems with heating our home. I called the 24 Hour Service Phone Number on their website and a technician was at my front door within 90 minutes. Troy quickly diagnosed and corrected the problem with the furnace and was very professional. He also provided me with a few pointers to help me get the longest life and most efficient use of my furnace. I am extremely happy with the Service that Troy provided and will be calling Robert Gibb & Sons in the future for any heating / cooling issues that I have.

  • M Grieger

    Jesse serviced our furnace and did an outstanding and thorough job. He explained what he was doing and why. We have a fuel oil furnace and while he was working on it he was very meticulous about cleaning up after every step. He also checked every facet he could check with gauges. I was very impressed with his overall efficiency. I would highly recommend him personally. He represented his company very professionally.

Explore our openings!

Start a career with an amazing team and excellent benefits.

Company News

New Cooling Tower!

Nice shots of our guys in the Light Commercial division installing a cooling tower on the roof of the Blue Cross Blue Shield building.

Chamber of Commerce Award Video

This was the video that was played when the Fargo Moorhead West Fargo Chamber of Commerce has announced its 2015 ChamberChoice award winners. Robert Gibb & Sons made the top three as a finalist for BUSINESS OF THE YEAR And Robert Gibb & Sons received the coveted PEOPLES CHOICE AWARD.

We're here to help

Frequently Asked Questions

Q: What is causing my heating and cooling system inefficiency and failure?

A: Dirt & Neglect are the top causes of heating and cooling system inefficiency and failure. To ensure energy efficient system operation, it is important to perform routine maintenance. Proper maintenance by a qualified technician is one of the most important steps you can take to prevent future problems.

Q: What do your maintenance plans include?

A: All our maintenance plans include 100% satisfaction guaranteed. Your technician will be professional, uniformed and qualified to work on your equipment and will follow a stringent quality assurance task list to ensure a complete and thorough service each and every time. For more information on our 4 plans, head to the Promotions page.

Q: Can I speak to someone if I have a question about services?

A: You can call us at 701.282.4400 for 24-hour service. Otherwise, feel free to call us at our main line for other inquiries: 701.282.5900.

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