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Behind the Scenes at the Blower Door Factory: Fan and Manometer Calibration 

Video

Overview

Watch this behind the scenes look at Retrotec, where fan and manometer calibration takes place.

Peek behind the curtain at Retrotec, into the calibration process for new and old blower doors and duct testing fans.

Related Resources

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HVAC Exam Math: Airflow, Temperature Rise, and Capacity Conversions

This free HVAC exam math guide covers airflow, temperature rise, and capacity conversions, with seven worked examples, source links, and notes on the assumptions behind the formulas.

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Introducing The Model 5 DIGITAL Minneapolis Blower Door™

Check out this recording from the BPA webinar of Introducing The Model 5 DIGITAL Minneapolis Blower Door™.

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Blower Door Mastery: Techniques and Tips for Contractors

Listen to a great discussion of the intricacies and importance of blower doors in testing a home's air tightness.