Welcome to Our Website!
We offer a full range of service in the Mechanical and Plumbing industry including industrial, commercial, residential, maintenance and repair work; from the planning and budgeting stages, clear through start up. We have plan and specification services as a subcontractor or prime contractor on competitive bid projects as well as design build projects. In August 2006 we brought on board a Mechanical Engineer, thus allowing us to provide full design build Engineered stamped drawings for any project.
4G Plumbing and Heating, Inc. is a 
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Contact Info
5641 West Harrier
Missoula, MT  59808

P: 406-728-1515
F: 406-728-6257


Signature Services
  • Mechanical Design
  • Engineering
  • Project Management
  • Permit Processing
  • HVAC System Service
  • Commercial Plumbing
  • Residential Plumbing
  • Backflow Certification
(by certified technicians)
  • Boiler Systems
  • Residential Plumbing Service
  • Medical Gas Systems
  • Business Plumbing Service
  • Scheduled Maintenance Contracts
  • Excavation/Grading
Why Choose Us?
1. Customers come first.
2. Quality work every time.
3. Your satisfaction is  guaranteed.
signatory contractor between Associated Employers and Employees of the Plumbing and Pipe-Fitting Industry and Local Union No. 459 of the United Association of Journeyman and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada. This allows us the full benefit of the finest training in the industry and a large labor pool to draw qualified workers as needed.