From the Friendly House of McDonald Supply...


McDonald Supply is a full line plumbing and HVAC distributor with locations in Iowa, South Dakota, and Illinois. We feature quality products by reliable manufacturers dedicated to providing performance, safety, and solutions to the professional plumbers, heating and cooling dealers, and the industry.
Kohler Faucet

Alumax shower enclosure

Many of our locations feature a design showroom to assist you in the selection and layout of your project. Our offerings include a full range of products and services to ensure customer satisfaction, comfort, and reliability. We are committed to serve you by having a trained and experienced staff to offer a full range of solutions to your plumbing system and heating/air conditioning needs.

We stock the necessary material at each of our locations sufficient for completing your projects on time as scheduled. Delivery service is available to your location or jobsite. Our goal is to respond to your problems promptly, working hard to earn your trust.



  • Plumbing   -- Our locations carry copper, plastic, PVC, ABS, cast iron, fixtures, faucets, and all components to complete any system with confidence and reliability. We can help with your remodeling projects, new house construction, or commercial project needs.

  • HVAC   -- We have partnered with ICP to offer the best heating and air conditioning equipment available, and stock a breadth of products from other fine manufacturers to support and supplement the HVAC system.

  • Pipe, valves and fittings  -- You will find a variety of material for your soil pipe, other pipe, valves, tubing and fittings needs.


    We are here to serve you! Allow us the opportunity to show our dedication to service and value. Please use the navigation bar at left to contact your nearest location.

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  • AquaGlass tub

    A division of Hajoca Corporation