Construction Services

H.E. Neumann Co. has an 89-year history of mechanical construction excellence in the Ohio Valley – Tri-State area.  Now with offices throughout the state of West Virginia and Western Pennsylvania, H.E. Neumann has the in-house resources and expertise to satisfy all of our client’s mechanical construction and service needs.

H.E. Neumann is a single source contractor for all of the following customer requirements and concern:

  • Industrial Process Piping Installation
  • Plumbing Service Installation
  • Sheet Metal Building HVAC Installation
  • Specialty Pipe System and Panel Fabrication
  • Exhaust and Ventilation System Installation
  • Building Climate Control Installation
  • Refrigeration System Installation
  • Medical Gas and Vacuum System Installation

All of the above areas of construction expertise are fulfilled by the following in-house support team:

  • Computerized Estimation
  • Computer Aided Plasma Work and Sheet metal Fabrication
  • Large Automated Pipe Fabrication Shop w / Certified Welders
  • Design / Build and Auto-Cad Design Staff
  • Project Management Education From University of Texas
  • Honeywell XL-5000 Programming and Service
  • Safety Director with 20+ Years in OSHA Compliance Laws

H.E. Neumann Co. is committed to providing the very best value to every customer’s construction project needs.

Our goal is the highest quality installation and on-time completion, both provided within the customer’s budget and facility constraints. HEN has been serving the commercial and industrial process industry for more than 80 years. Our team of technicians and craftsman employ their many years of experience and training to provide our customers with consistent, reliable top quality service. With our mobile fleet of trucks and complete fabrication shop we offer the best service for projects of all sizes.

We measure Safety, Quality & Performance to determine the success of each project.


  • Rooftop Units
  • Air Handling Units
  • Make-up Air Units
  • Chillers
  • Boilers
  • Ventilation & Exhaust Systems
  • Refrigeration Systems
  • Hydronic Pumps
  • Gas Heating Systems
  • Heat Recovery Systems


  • Hydronic Piping
  • Process Piping
  • Plumbing
  • HVAC Sheet Metal
  • Steam Systems
  • Medical Gas Piping
  • Natural Gas Piping


  • Hospitals
  • Universities
  • Schools
  • Laboratories
  • Chemical Process Plants
  • Power Generation Facilities
  • Steel / Aluminum Production
  • Mills
  • Military
  • Government
  • Pharmaceutical
  • Retail
  • Correction Facilities
  • Data Centers

Copyright © 2015, HE Neumann, All Rights Reserved.