Mechanical Services

 Serving customers since 1979 with plumbing, HVAC,  refrigeration, process and medical gas piping. There's no better feeling than knowing a project is in the right hands. Every year, hundreds of companies experience that confidence by relying on H.R. Allen, Inc.   Installing stainless or carbon steel piping, HVAC, or insulating materials, we deliver the expertise, integrity, and accountability that our customers expect.

Key Benefits

A full service, one-stop resource for all your HVAC, Sheetmetal, Plumbing, Piping, and Insulation needs. Professional electrical and communication support enable our technicians to offer a full range of troubleshooting and installation and repair services.  Design build a specialty, HRA provides  expertise in planning, design, fabrication, and installation professionally, economically, and efficiently. 





Design/Build/Installation/Service/Repair including installation and certification of Backflow Prevention; Boilers; Chillers, (Absorption/Centrifugal/Scroll/ Reciprocating); Pumps;  Condenser Water Piping; Medical Gas Piping; Pipe Fabrication/Certified Welding; Process and Refrigeration Piping; Roof Drains/Drain Leaders/Storm Water Systems; and Stainless Steel Piping.


Design-Build, Install, Service, Repair, Air Balance, Air Compressors Piping;  Computer Environment A/C Systems are all within the capabilities of our mechanical construction and service department.


HVAC And Chilled Water Systems;  Fabrication; Storage Tanks, Vessels; Steam And Condensate Systems; Boilers, Breechings;  Refrigeration; Acoustical Insulation;  Oil And Process Systems;  Air Handling Equipment; Fireproofing Per UL Code; Duct Work.