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Nailor Airwaves Archive

Post date: September 27, 2021

The most advanced system for delivering, controlling, and optimizing ventilation air utilizes Chilled Water Fan Powered Terminal Units. With this system, the DOAS unit handles the conditioning of the ventilation air and the latent load within the building. The system eliminates the need for the recirculating air system to handle latent loads and distributes the sensible cooling into the space.

Achieving this system requires series fan-powered terminal units that are equipped with a sensible cooling coil, eliminating the need for the building air...

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Post date: September 1, 2021

A large portion of the energy exerted by an HVAC system comes from conditioning the outside air required by the mechanical code, which typically reference the ASHRAE 62.1 standard. Increasingly, this is performed separately from the building HVAC system by a Dedicated Outside Air System (DOAS). When designing a DOAS system, one decision is how to distribute the air to the space. In my previous Ventilation Strategies article, I highlight a few methods for...

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