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PCAV 335

A conditioned air vestibule that uses a push-to-open versus a motorized opening.

U.S. Pat. No. 10,921,049 and Patents Pending



  • Reduces defrost cycles by 50 to 75%
  • Prevents extreme temperature fluctuations
  • Dramatically reduces maintenance costs
  • Eliminates ice on the product
  • Removes slip hazard
  • Decreases clean up labor
  • Typical return on investment less than 1.5 years
  • Overview

    The Model PCAV® is an air vestibule for freezers that dramatically reduces moisture infiltration into walk-in freezers, while reducing temperature loss when the door is left open.  The Air Door also eliminates ice problems, resulting in less evaporator maintenance and general ice cleanup, all providing a quick return on investment.


  • Specifications

    PCAV® consists of two pairs of impact-type doors or fixed strips, an electrically or hot-gas heated anti-frost air-conditioning (AFC) section with patent pending PLC control, and measures approximately 16 in the direction of travel.

    Architectural Data Sheets
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