A Commitment to Bring You the Best HVAC Fabrication for

Heating, Ventilation, and Air Conditioning Products.

HVAC Custom Fabrication & Capabilities

ASME Quality Certification

ASME Quality Certification

American Wheatley HVAC offers a full line of HVAC Products and Fabrication options certified by the American Society of Mechanical Engineers (ASME), including "U", "UM" and "S" certification. Our qualifying products are constructed in accordance with the latest edition of ASME Section VIII Boiler and Pressure Vessel Code requirements.

National Board Certification

National Board Certification

American Wheatley is authorized to apply the "NB" - National Board - mark for ASME for fabricated products:

  • "S" - Power Boilers
  • "U" - Pressure Vessels
  • "UM" - Miniature Pressure Vessels
  • "R" - Authorized Repair Facility
Custom Fabrication - Large or Small

Custom Fabrication - Large or Small

Our ASME certified shop has the capability to build a product to fit your special requirements, large or small.
Built in the USA

Built in the USA

 Many of our products are built in our 40,000 square foot facility in Broken Arrow, Oklahoma.

fabrication ASME Certification

About American Wheatley HVAC Brand Products

With more than 40 years of experience, American Wheatley HVAC Products and Fabrication have established a reputation for providing dependable Hydronic Specialty items to the HVAC industry. We offer a complete line of HVAC Tanks, Air and Dirt Separators, Triple Duty Valves, Strainers, and more! Our team is committed to offering quality products to help you meet your customers' needs and grow your business.

What's New?

Expansion Tank

Thermal Expansion Tanks Explained

Is a Thermal Expansion Tank required for water heaters? Also possibly known as a Water Heater Expansion Tank, a Thermal Expansion Tank is an essential unit to pair with a water heater in a closed-loop system. These tanks are required for closed HVAC systems. When water is heated, it causes molecular agitation – basically, the…


Finding the Best Air Separator for your HVAC System

Having an air separator in your HVAC system greatly affects the system’s overall performance, especially in a chilled-water system. While air elimination is important in any ventilation setting, it is more important in the chilled-water system than in a hot-water system because the cold-water unit can hold more air inside the tank. Air separation is…

Heat Exchanger

What is a Heat Exchanger?

American Wheatley HVAC offers a full range of ASME Shell & Tube and Plate & Frame heat exchangers available in sizes 4″ through 30″. We also offer a complete line of Plate & Frame Heat Exchangers. Whether you’re heating or cooling, these heat exchangers are dependable and powerful with or without fluid separation, American Wheatley…

Contact Us

Reach Out!

Email Us!

Email Us!

Broken Arrow, Ok

Broken Arrow, Ok

hvac brand products
  • This field is for validation purposes and should be left unchanged.