Heat Transfer (Coils)

Heat Transfer (Coils) for the Healthcare Industry

Custom design and manufacturing of extended heat transfer (coils) equipment for air and gas treatment

Armstrong's exceptional flexibility and expertise enables us to custom design and build heat transfer equipment for all forms of air and gas treatment, according to your exact needs. We manufacture unit heaters, door heaters, air cooled heat exchangers, tank heaters and more—in a wide variety of metals and alloys, including steel, stainless steel, copper and aluminum. Armstrong consistently maintains tight quality control measures, ensuring the long life of our dependable, hardworking products.

Learn More About Armstrong Heat Transfer Products (Coils) Download Our Brochure on Armstrong Heat Transfer Products and Coil Capabilities
Duramix™ Face and By-Pass Heating Coils

Duramix™ Face and By-Pass Heating Coils

Armstrong Duramix™ heating coils control air temperature while operating at full steam pressure. Once set, the desired leaving-air temperature is maintained by Duramix™ regardless of variations in the temperature of entering air. Simple yet effective, Duramix™ heating coils are easy to install and maintain.

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Duralite™ Plate Fin Coils

Duralite™ Plate Fin Coils

Armstrong is a full-line coil supplier with application knowledge and experience you’ll find nowhere else. Our plate fin coils meet the diverse needs of the HVAC and light-industrial markets.

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Armstrong Unit and Door Heaters

Unit and Door Heaters

Built for long-lasting performance, corrosion resistance, and a trouble-free service life, Armstrong unit heaters deliver high efficiency and output, even in harsh operating environments.

The Benefits Are Measurable:
  • Heavy-duty enclosures
  • Corrosion-resistant heating cores
  • Standard NEMA frame TEFC ball bearing motors; enclosed to lock out dirt
  • Thick fins and tubs, constructed of high strength, corrosion-resistant materials
  • Cost-effective solutions, customized to your needs
  • Heavy duty construction for long lasting service
  • Easy to install
  • Maximum freeze protection
  • Accurate temperature control
  • Consistent leaving-air temperature
  • Full range of materials and coatings for the application
  • Welded tube to header joint (not brazed)
  • 1” O.D. tube diameter to operate at low pressure 0 – 10 psig
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Recommendations from Armstrong University

Basic Heat Transfer

In this course, you will: review the first two laws of thermodynamics; understand heat transfer types and equations for calculating; and explore elements that affect heat transfer.

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