- Furnaces
- Air Conditioners
- Geothermal Systems
- Boilers
- Remodel and Retrofit
- Water Heaters
- Drain Cleaning
- Fixture Repair
- Lighting
- Emergency Generators
- Electric Heating
- Low Voltage Wiring
- Piping Fabrication
- 3D Modeling
- Maintenance
- Sheet Metal Fabrication
Our company
About Us
102
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
Blog
Company News
New Video! Robert Gibb Featured on North Dakota Today
Check out the video at Valley News Live
Utility Company Rebates Now Available

Let Robert Gibb and Sons tune up your residential central air conditioner or air-source heat pump and get $30 back from your local participating municipal utility! It’s a great way to make sure your AC or heat pump is working at the absolute peak of its efficiency and save money! Download Rebate Simply download the … Continue reading Utility Company Rebates Now Available
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.
New Video! From Our Loretta Building Project

Mitsubishi Cooling & Heating teamed up with the Kilbourne Group and Robert Gibbs and Sons to create this video on the challenges and success of turning an nearly abandon building into a mixed-use masterpiece in downtown Fargo, North Dakota. The Loretta building was retrofitted with state-of-the-art Mitsubishi Citi-Multi heating and cooling. Mixed use buildings are … Continue reading New Video! From Our Loretta Building Project
1978 Robert Gibb Sr. Interview
Way back in 1978, Charlie Johnson T.V. 4 “Eye Witness” news interviewed Robert Gibb Senior. Great to see this on our 100th anniversary! Interesting to note how they used to hustle for bids… if there was a hole being dug in the ground, Robert Gibb was there to see if they could help with the … Continue reading 1978 Robert Gibb Sr. Interview
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.