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Residential HVAC for Technicians and Contractors
This Guideline provides advice on achieving the cleanest air possible based on the design limits of existing HVAC equipment and with consideration of the impact on energy consumption and the environment. For a more complete explanation of principles and techniques found in this Guideline, go to the NAFA website www.nafahq.org and purchase the NAFA Guide to Air Filtration and/or the Installation, Operation and Maintenance of Air Filtration Systems.