About Bowker Pinnacle Mechanical

Industrial | Commercial | Residential

Choose Us for Your Mechanical Projects

In business since 1928, locally owned Bowker Pinnacle Mechanical provides a full range of project services to a wide range of clients, including municipal, industrial, commercial, and residential entities.

  • Site development
  • Underground utilities
  • Excavating and grading
  • Plumbing
  • HVAC mechanical systems, including piping, system balancing, and temperature control systems
  • Process and clinical piping, including product handling and control systems

Get Cost-Effective Design Services

Our engineering and estimating services offer value-added, CAD-savvy, design engineering assistance to ensure the most cost-effective and timely solution to any project.

We endorse the negotiated design or build concept and promote it as the solution for buyers of construction services. We feel the negotiated design or build concept provides the greatest value for the client's construction costs.

Nationally Certified for Boiler Installations and Repairs

Bowker Pinnacle Mechanical is certified by the National Board of Boiler and Pressure Vessel Inspectors to perform boiler installations and repair with the "R" stamp and the American Society of Mechanical Engineers for the use of the code "A," "PP," and "U" stamps.

We are also equipped with the latest computer software technology to provide quality, timely, and accurate code work documentation.

Get a FREE Estimate on Your Next Project

We are members of the American Society of Mechanical Engineers (ASME), the American Welding Society (AWS), and the American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc (ASHRAE).

To talk to our friendly, experienced employees, visit us at 1000 32nd Ave SW or call us today at 319-364-2403.

About Us

Our dedication to our work and attention to detail have made us the top plumbing provider and We specialize in process and clinical piping solutions as well as general construction services such as steel erection, foundation work and rigging.

Year Established



  • Plumbing Services
  • Air-Conditioning Services
  • Underground Utilities
  • Industrial Services
  • Construction Services


  • Plumbing
  • HVAC Mechanical Systems
  • Site Development and Utilities
  • Industrial Work
  • 24/7 Emergency Services

Business Hours

Mon - Fri
7:00 am - 4:30 pm
24/7 Emergency Service Available

Payment Types

  • American Express
  • Cash
  • Check
  • Discover
  • MasterCard
  • Visa


  • English