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Connelly Plumbing, Heating & Air provides a variety of services to suit your construction needs. We are experienced in the commercial, industrial, and residential fields of construction and fabrication.


We are proud to be one of the first companies in Southwest Missouri to prefabricate plumbing and piping system with the help of the BIM modeling. When possible, we prefer to build whatever we can within our shop, which we know to be a safe, controlled environment equipped with all the necessary tools and materials.

Prefabrication allows us to meet demanding schedules by having large, critical components of systems completed and ready for installation ahead of the project schedule.

Typical prefabrication items for us are: sanitary waste and vents above and below grade, water mains and assemblies, bathroom groups and fixture carriers. Let us know your needs and we will make it happen.


We believe in using technology to help us build smarter, faster and safer. Utilizing BIM for detailing and prefabrication sets us apart from many of our competitors. Building Information Modeling (BIM) is revolutionizing how buildings and infrastructure are planned, designed and built. BIM uses an intelligent 3D model with real time data to help coordinate and maintain projects from the design stages to fabrication.

The construction business is becoming increasingly complex. With BIM, Connelly Plumbing, Heating & Air has the ability to have a much greater accuracy in estimation through 3D conceptualization, maintain accurate information and keep projects on track with tight schedules and budgets.

We have the ability to do in house 3D modeling and detailing of our trade using Autodesk Fabrication CADmep. With BIM and our ability to pre-fabricate plumbing and piping systems, we are able to stay ahead of job schedules and control costs.

Connelly Plumbing, Heating & Air also utilizes the Trimble MEP Job Site Solutions - Total Station layout tool. This allows us to lay out core holes and hangers and verify the exact location of below grade piping stub ups directly from the model. Point location systems can also be saved in the field and used in the as-built model.

Our complete construction services include the following:

  • Domestic water
  • Sanitary Waste & Vent
  • Lab Waste
  • Deionized water
  • Roof drainage
  • Natural and LP gas
  • Hot & chilled water
  • Steam and condensate
  • Compressed air and vacuum
  • Refrigeration
  • Medical and specialty gases
  • Medical vacuum
  • Water heaters
  • Water softeners
  • Booster pumps
  • Boilers and chillers
  • Cooling towers
  • Heat exchangers
  • Air handling units
  • Fan coils and VAV’s
  • VRF systems
  • Geothermal systems