Download Your DEDP Standard

What is the DEDP?

Start Measuring Your Dryer Duct Performance

The Dryer Exhaust Duct Performance (DEDP) Standard is a detailed checklist of performance measurements designed to ensure a residential single-dryer exhaust duct system is operating properly and efficiently.

Learn how to:

Test dryer exhaust duct performance and static pressure

Validate the performance of dryer exhaust ducts in new residential construction installations

Inform customers of conditions that may be impacting their dryer's venting performance.

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Why Follow the DEDP Standard?


Using the DEDP Standard can improve your company’s quality of work while also being a tool for generating new business with potential customers.


The National Air Duct Cleaners Association (NADCA) is a not-for-profit trade association that serves the HVAC inspection, cleaning and restoration industry.

With more than 1,200 member companies from more than 20 countries, NADCA serves as the focal point of the global HVAC cleaning industry. 

Copyright 2015. NADCA