Heatless Desiccant Dryers (also known as Regenerative Desiccant Dryers) are the simplest way to provide a factory with clean, dry compressed air. With very few moving parts, heatless desiccant dryers are extremely reliable and require little maintenance. Heatless dryers come ready to install and generally have a small footprint taking up less valuable factory floor space. Desiccant does not need replacement for approximately 5 years, so there is no need for constant supervision. Heatless dryers use purge air to regenerate one tower while the other tower is in use. This purge air accounts for approximately 15% of the processed air, and is the biggest cost of installing these dryers.

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