Step-by-Step Procedure Set Up Blower Door Install the blower door in an exterior doorway and depressurize the house to ā25āÆPa relative to outside. Connect Duct Tester Attach the DucTester fan…
Why Correct Device and Range Matter Your digital gauge (e.g., DMā32 or DMā2) must be configured to match: The connected equipment (e.g., blower door fan or DucTester model) The installed…
Why Use @Pressure Jogging? Normally, youād wait for the gauge to hit your exact pressure (say, 50āÆPa) before recording airflow. But in leaky buildings or low-flow situations, thatās not always…
Method Overview: One-Gauge Pressurization Unlike dual-gauge methods, this technique requires the tester to manually alternately measure house pressure and duct pressure with a single gauge: Set Up Equipment Connect the…
How to Perform the Test Prepare for Depressurization Connect the flex-duct flange to the duct inlet. Ensure all supply and return registers are properly sealed with grill mask. Configure the…
What Are Range Rings & Plates? Range rings (or plates) are restrictive attachments placed on the blower-door fan inlet. They narrow the airflow, increasing fan pressure, which improves measurement precisionāespecially…
How to download FanTestic, how to find it on your computer, what it comes with, ASTM manual, and choosing your protocol. https://youtu.be/JzOq2GfqpmE Download & System Requirements Visit the Retrotec websiteās…
Learn how to input data into FanTestic software from a manual blower door test. Also, get tips and information on best practices. Ā https://youtu.be/vn1z8VFBBj8 Start a New Manual Test Open File…
Go step by step through a test sheet, learn how to set it up and input information. https://youtu.be/FYmu77RbY9I Starting a New Test Click File ā New test or use the…
How to run a semi-automatic blower door test using FanTestic software. This allows for the ease of an auto test along with manual input options for the user. Ā https://youtu.be/dzgWitGK3Uk What…
