"Blower Door Test" Build Show Build: Boston - Bonus Episode
Posted on: 2023-10-07
Insulation is done and Sam from Retrotec is here to help Steve get a first update on the Boston project's blower door score. Learn all about the process of running a blower door test and input from Steve on why you need these numbers on your projects.
Technical Tuesdays: Ep. 16 - Self-referencing Fans vs Non Self-referencing Fans
Posted on: 2021-11-16
Our air tightness tools are famous for their user-friendly attributes. One of them is the ability to keep the tubing configuration the same no matter which direction you are testing. This feature
DucTester QuickGuide Video
Posted on: 2021-11-09
Make testing for leaking in duct systems easy with the Model 340x DucTester! In this video, we show you how to set up duct system and DucTester to perform a leakage test and get the readings you
Blower Door QuickGuide
Posted on: 2021-11-09
In this short video, we provide a brief explanation of how to set up your blower door system and get the air leakage result you
Technical Tuesdays: Ep. 15 - Blower Door Frame
Posted on: 2021-11-09
In this episode of Technical Tuesdays, we show you how to properly assembly and disassemble your blower door frame. Retrotec frames are specifically designed to be quickly disassembled in one motion.
Technical Tuesdays: Ep. 9 - Remote Data Logging
Posted on: 2021-11-02
Remote data logging is here! In this episode, we walk you through how to update your DM32 to the latest firmware and use the new data logging feature.
Technical Tuesdays: Ep. 14 - Smoking Ducts
Posted on: 2021-11-02
Since air is invisable, locating air leaks in a duct system can be difficult. Fog generators are great tools to make air visible to expose leaks. In this episode of Technical Tuesdays, we show you how
Technical Tuesdays: Ep. 13 - Airflow Measurement Vol. III - ACIN FlowFinder
Posted on: 2021-10-26
Using a flow hood is the best way to measure supply and return flows, though they are not all created equally. The ACIN FlowFinder maintains accuracy at +/- 3% of its reading in all scenarios. The
Running A Blower Door Test With Multiple Fans
Posted on: 2021-10-21
In this webinar, Sam covers the basics on running a blower door test when more than one fan is needed. This could be for large residential buildings or commercial buildings. This webinar includes a
Technical Tuesdays - Ep. 12: Airflow Measurment, Vol II: DucTester Flow Hood
Posted on: 2021-10-19
DucTesters and blower doors are very versitile tools. Not only do they measure air tightness, they can also measure airflow. In this Technical Tuesday episode, we'll show you how to turn your
Technical Tuesdays - Ep.11: Airflow Measurement, Vol I: FlowBox
Posted on: 2021-10-12
In this first of a three part airflow measurement series for Technical Tuesdays, we discuss measuring exhaust flows with the FlowBox. This tool can measure exhaust flows from 10 - 203 CFM. The latest
Technical Tuesdays - Ep. 10: DM32 Firmware Update
Posted on: 2021-10-05
In this episode of Technical Tuesdays, we cover each item included in the new firmware update for your DM32. It is now available for download, so make sure you have our DM32 Configurator (free at
Technical Tuesdays - Ep. 8: Range Change in rCloud
Posted on: 2021-09-21
When running a multi-point blower door test, you’ll likely need to reduce your range at least once during the test. In this episode of Technical Tuesdays, we’ll show you how to change the range of
Technical Tuesdays Ep.7 - Total External Static Pressure Part II
Posted on: 2021-09-14
On the last episode we talked about Michael Housh’s static pressure worksheets that can be found on the MechPic app for placing your static pressure probes. This week we show you how to set up your
Technical Tuesdays Ep.6 - Total External Static Pressure Part I
Posted on: 2021-09-07
You can measure total external static pressure with your DM32 just like any other differential manometer. And having 2 channels can have added benefits. In this video, we cover a nice new resource for
Technical Tuesdays - Ep. 5: Multipoint Blower Door Testing Part II
Posted on: 2021-08-31
In this episode of Technical Tuesdays, we show you how the slope or pressure exponent generated by a multi-point blower door test can tell you more about how a building leaks. Download the rCloud app
Retrotec - Upgrade your DM32 Firmware using the DM32 Configurator .
Posted on: 2021-08-24
Retrotec - Upgrade your DM32 Firmware using the DM32 Configurator .
Download the DM32 Configurator here . .
Technical Tuesday Ep. 4. - Multipoint Blower Door Testing Part I
Posted on: 2021-08-24
Multi-point blower door testing is where we test the building at a variety of different pressures to determine the slope, or pressure exponent. This number can tell us a little more about how the
Technical Tuesdays Ep. 3 - DM32 Hold Feature
Posted on: 2021-08-17
Did you know your DM32 can hold your reading on the screen after you turn off the fan? Learn how do use it on this episode of Technical
Technical Tuesdays Ep. 2 - Correct Range Configuration
Posted on: 2021-08-10
When running a blower door test with the B4, B2, or B1 range setting, its important to make sure everything is set up correctly. We explain why in this week's Technical
Technical Tuesdays Ep.1 - Installing the 300x Fan into the Blower Door Cloth
Posted on: 2021-08-03
Introducing Technial Tuesdays! In this first episode, Sam will show you the easiest way to install our 300x DucTester fan into the blower door cloth so that it can be used to conduct air tightness
Measuring Total System Airflow with the Blower Door
Posted on: 2021-07-20
In this video, Sam Myers from Retrotec and Kaleb Saleeby from HVAC School show you how to use your blower door to measure total system air flow. Only a few more parts are needed to turn your blower
Stack Effect Demonstration
Posted on: 2021-05-20
Stack effect is a phenomenon that occurs in buildings that can cause air leaks to occur when there is no wind blowing and no fans running. When we get a large enough temperature difference between the
Blower Door Assisted Thermal Imaging
Posted on: 2021-05-11
Using a blower door along with a thermal imaging camera is one of the best ways to find air leaks in a building envelope. The blower door acts as an amplifier for the camera. Not only does this method
Retrotec Virtual Training Lab
Posted on: 2021-04-22
You can now schedule a live air tightness testing training from anywhere on the map. Our virtual training center allows us to teach classes for you and your team that includes live demonstrations. We
How To Run A Blower Door Test
Posted on: 2021-04-06
In this video, we walk through the details of how to run a blower door test and what's involved with air tightness testing. Follow along with Sam Myers of Retrotec as he prepares a home for testing,
Retrotec Calibration Chambers
Posted on: 2021-03-30
An inside look at Retrotec's calibration chambers for blower doors, ductesters, and digital
Retrotec's Large Building Airtightness Testing Equipment
Posted on: 2021-03-22
Introducing Retrotec's powerful duct testing and blower door testing lineup for large building & commercial applications. Featuring the 400x Commercial DucTester and the Model 6000 blower door fan.
Residential Duct Leakage Test Demonstration
Posted on: 2021-03-20
In this video, Sam Myers walks you through the steps of performing a residential duct leakage test with the most durable, accurate and user-friendly equipment on the market. He covers total duct
