Duncan Heating & Plumbing

Where quality comes first.


Our dedicated technicians have the necessary training and required industry certifications,
to make certain you always get the best service possible.

Family Values

Along with a strong work ethic, the Duncan family has given back to its local community frequently, wanting to make a difference.

Quality Service

We do things right the first time, at a reasonable price, resulting in many loyal, grateful customers. Quality comes first with us.


  • Heating
  • Plumbing
  • Air Conditioning
  • Duct Work
  • Excavation
  • Sheet Metal
  • Well Plugging
  • Field Tile Repair
  • Livestock Waterers
  • Septic Systems

Our office is open 8 a.m. to 12 p.m. and 1 p.m. to 5 p.m., Monday through Friday.
For a current quote on parts and services, please call our office at 515-432-6762 or email us at duncanhtg72@gmail.com.

50 Years of Service!

We are extremely proud that we’ve served Boone County and the surrounding area for 50 years! On Friday, October 14, 2022, we celebrated our company’s 50th anniversary with an open house. In the picture above, from left to right, are Penny Morgan, Cindy Duncan, Steve Duncan, Nathan Duncan, and Josh Duncan. Thanks so very much to all of our loyal customers!

Client Testimonials

Thank you so much for all of the nice work that you did in my home. Your courtesy and professionalism are greatly appreciated, and I’ve been spreading the news about how happy I am thanks to you.

Cyndi Vogel

Words cannot express how thankful Gene and I are for your rescue of us when the furnace fan broke and you came right out. Thank you so very much.

Ruth and Gene Merrill

We want to take this opportunity to thank you for the use of your truck and for all of your efforts in putting together an awesome parade entry for us! We certainly appreciate you going out of your way for us! Thank you!!

Janet Pohl, Treasurer, United Way of Boone County
Client Testimonials

Thank you so much for your help on Christmas Eve. I know it was a hardship for you to leave your family and miss church to help me out. I want you to know your efforts are very much appreciated.

Craig Pottratz

A “HUGE” thank you! The “SHUT OFFs” project went very well and we can’t be happier. You’ve showed professionalism, kindness, and great skills. We appreciate all you’ve done and look forward to seeing ya’ll around here again real soon!

Regency Retirement Community

Thank you sincerely for the donation of your time and talent to check and repair gas pipes at the History Center and Mamie’s Birthplace. It’s people like you that make Boone such a special town.

Judy Stumbo, Boone County Historical Society
Get In Touch

(515) 432-6762

Drop By

706 Allen Street
Boone, Iowa 50036

About Us

This family-owned business began in 1972 and has been faithfully serving Boone County and beyond for over 50 years.

More About Us