Tel: (205) 685-9477

sales@entechproducts.com

2539 John Hawkins Pkwy

Hoover, AL 35244 US

Damper Technology LLC 

  • ​Gas Turbine Dampers
  • Acid Plant Dampers
  • Dampers
    • Butterfly Dampers
    • Guillotine Dampers
    • Single Bank Louver Dampers
    •  Slide Gate Dampers
    • Double Bank Louver Dampers
    • Flap Type Dampers
    • Fan Inlet Vane Type Dampers
    • Flow Diverter Dampers

HRSG Access Doors

Power & Industrial 

  • Access Door
    • P&I Boiler Access Door
    • Ductwork and Windbox Access Doors
    • Duct/SCR/Precipitator/Baghouse/Penthouse Access Doors
    • Combined Cycle HRSG Access Doors
    • Access Doors for Penthouse & Roof Applications
    • 15″ x 21″ Oval Boiler Access Doors
    • Observation Ports
    • Boiler Inspection Doors
    • Tube Fabrication Services
  • Pendent Tube Alignments
  • Fast Access Boiler Platforms

Click on link for brochure:


flue gas solutions 

  • Fabric Expansion Joints
  • Molded Expansion Joints
  • Metallic Expansion Joints
    • Rectangular
    • Round
  • Gas Turbine Expansion Joints
  • Dampers
    • Butterfly Dampers
    • Guillotine Dampers
    • Single Bank Louver Dampers
    •  Slide Gate Dampers
    • Double Bank Louver Dampers
    • Flap Type Dampers
    • Fan Inlet Vane Type Dampers
    • Flow Diverter Dampers

Shop Fabrication

We provide customers with top-quality ASME code fabrication at competitive prices. Our products include heat exchangers, bundles, vessels and towers, replacement air-cooled exchanger coil sections and specialty fabrication items. Our shop includes six production plants totaling more than 130,000-square-feet of space and 21acres of storage space. We maintain and operate some of the most advanced fabrication equipment and technology in the industry. All six of our production plants are fully staffed and operate on a 24/7 basis.

Our machine shop/bundle assembly facility includes 46,000-square-feet of production space and 12 CNC drilling/machining centers. We utilize advanced welding and CNC automated drilling technologies, as well as other innovative production techniques. CUST-O-FAB’S thermal and mechanical design group utilizes the latest programs and technologies available in order to design efficiently and promptly to meet or exceed customer specifications. Our shop fabrication services include:


  • Heat Exchangers
  • Bundles
  • Vessels & Towers
  • Specialty Fabrication
  • Replacement Coil

On-Site Services

Cust-O-Fab On-Site Services draws on the tested and proven expertise of experienced craftsmen and supervisors to provide comprehensive on-site solutions for the petrochemical and refining industries. We offer clients a single source of contact and a mature management approach in performing your projects, turnarounds and emergency site services needs.

Our values are Safety/Quality/Schedule/Value and our team has earned a reputation throughout the industry for completing our assignments on time with out values intact. Our on-site services include:


  • Exchanger Bundle Extraction
  • Specialty Welding
  • Plant Turnarounds
  • Process Piping & Fabrication


  • Furnace Revamp & Repair
  • Bolt Torquing & Tensioning
  • Field Retubing
  • Emergency Callout

Zeeco 

  • Burners
    • HRSG Duct Burners
    • Process 
    • Gas Boiler
    • Package
    • Pilots
    • Burner Management
    • HVW High-Intensity
  • Scanners & Monitors
    • Flame Scanners
    • Flare Monitoring Systems
    • Ignitor Systems​