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CDQ™ Desiccant Dehumidification

CDQ™ Desiccant Dehumidification - Air Handler Options | Trane

CDQ™ Desiccant Dehumidification

Trane introduces CDQ™ (Cool, Dry, Quiet) - the latest technology in desiccant dehumidification. This new desiccant dehumidification product is ideal for facilities requiring lower dew-point settings and can increase cooling coil capacity by 20 to 300 percent. Chilled water temperature can be set higher, saving energy-plus there's no need for reheat or exhaust air.

It is a well know fact standard air conditioner coils have limited dehumidification capacity. The air dewpoint can not be lower than the coil temperature. This is the dewpoint barrier. The new Trane CDQ unit breaks this dewpoint barrier by using an innovative new technology - the Trane CDQ wheel. Add this wheel to a standard or custom unit and watch it transfer water from the supply air to the return air or mixed air. Result: the cooling coil removes more water - up to 200 percent more water per hour!

A CDQ system allows for:

  • Air as dry as 30 grains per pound
  • Up to 10dB attenuation in every octave band
  • Increased cooling coil latent (dehumidification) capacity
  • Decreased need for reheat
  • Lower unit-cooling sensible heat ratios
  • Warmer chilled-water temperatures
  • Decreased required cooling capacity when dehumidifying
  • No need for exhaust air as a requirement
  • Improved energy efficiency for dehumidification


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      CDQ™ Desiccant Dehumidification - the latest technology in desiccant dehumidification.