Jogging with @Pressure
Why Use @Pressure Jogging? Normally, you’d wait for the gauge to hit your exact pressure (say, 50 Pa) before recording airflow. But in leaky buildings or low-flow situations, that’s not always…
Duct Leakage to Outdoors: Is Even Harder Using One Gauge in Pressurization
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…
Conduct Test (with knob) – Step 4 in the DU200 DucTester QuickGuide
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…
Choose Correct Range Ring
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 precision—especially…
FanTestic — Start Guide
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 website’s…
FanTestic – Manual Test
Learn how to input data into FanTestic software from a manual blower door test. Also, get tips and information on best practices. https://youtu.be/vn1z8VFBBj8 Start a New Manual Test Open File…
FanTestic – Test Sheet
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 → New test or use the…
FanTestic – Semi-Auto Test
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. https://youtu.be/dzgWitGK3Uk What…
Fantestic – Auto Test
How to run an automatic blower door test using FanTestic software. https://youtu.be/KArpMhzbjDg Getting Started Connect Your EquipmentEnsure your Retrotec digital manometer (DM‑2 or DM‑32) and blower door fan are set…
Duct Leakage to Outdoors
Setup Procedure Blower Door Pressurization The blower door is installed and used to pressurize the house to +25 Pa relative to the external environment. This establishes a baseline pressure inside the…