About Us

ALD-Holcroft designs and manufactures vacuum furnace systems used for heat treating. Our world renowned product line includes:

  • DualTherm® & DualTherm-Q® … high performance, dual chamber furnaces for HPGQ or VOQ
  • ModulTherm® … high throughput, automated vacuum furnace systems
  • SyncroTherm®… high profits, one-piece-flow can be synchronized with part machining or operate in the small batch fashion for high speed processing.


ALD-Holcroft focuses on a variety of market segments including:

  • Automotive
  • Fuel systems
  • Aerospace
  • Tool and Die
  • Medical
  • Heavy Equipment
  • Oil and Gas
  • Commercial Heat Treating


ALD-Holcroft maintains its global ISO 9001:2008 certification through NSF International and adheres to the following standards:

  • National Electric Code
  • NFPA 70 – NEC Standards
  • NFPA 79
  • OSHA State and Federal Standards
  • UL508, 489 Design for Industrial Control Panels
  • UL508A-SB Method for short circuit current (SCCR) calculations.
  • IEC 61131 Programmable Controllers
  • EPA Standards
  • FCC Regulations


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