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The Master Group sells only in Canada.

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Air Filter System with HRV THH 1.0 vänEE

Air Filter System with HRV
THH 1.0 50 to 90 CFM

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The new THH 1.0 True HEPA Heat Recovery Ventilation (HRV) system is setting the standard in the industry as the very first HRV system incorporating true HEPA filtration right into the unit for an optimal indoor air environment.

  • Simple and easy installation to furnace ducting or stand alone option
  • The unit has ports on top, which fit both 5” or 6” round ducts
  • Cabinet integrated handles
  • Only one outdoor connection (with the Tandem® transition)
  • A total of 90 cfm of fresh filtered air
  • For houses up to 2000 sq. ft.
  • Ideal for town houses, small houses, etc.
  • Optional wall control available
  • Recirculation mode available (with the optional wall control) (wood stove, fireplace)


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