"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. 23 - Basic Mechanics: Vol II - Range Selection
Posted on: 2022-01-04
To follow up from our last episode on basic mechanics, we cover how to find the correct range to use when conducting a blower door or duct leakage test. In order for the manometer to take a reading,
Technical Tuesdays: Ep. 22 - Basic Mechanics: Vol I - Calculating Flow From Pressure Readings
Posted on: 2021-12-28
We're often asked how a blower door works and how it knows what the flow is at a given building pressure. In this episode of Technical Tuesdays, we explain how a blower door calculates flow from
Technical Tuesdays: Ep. 21 - The GaugeRemote App
Posted on: 2021-12-21
Turn your phone or tablet into a remote control for your blower door or DucTester with the GaugeRemote app. This app mirrors the screen on your DM32 to your device giving you full control of the fan
Technical Tuesdays: Ep. 20 - Moving Boxcar Time Averaging
Posted on: 2021-12-14
The DM32's time averaging feature can be used to smooth readings when there is a lot of variation. Choosing a longer period of time to take an average can provide a more stable reading during windy
Technical Tuesdays: Ep. 19 - Large Building Test
Posted on: 2021-12-07
Conducting a blower door test on a large commercial building is a very involved process. This week, Steve Creato of ECS walks us through the steps needed to prepare for a large test, the equipment
Technical Tuesdays: Ep. 18 - Locating Leaks With The TinyS Fogger
Posted on: 2021-11-30
The reason air leaks are so difficult to find is because air is invisible. The combination of using a blower door with a fog emitter is a great way to add a visual element to make air leaks easier to
Technical Tuesdays: Ep. 17 - Make Your Own Mini Probe
Posted on: 2021-11-23
A blower door allows us to investigate the source of air leaks non-destructively. However, there are some cases where we can't access certain areas. A mini probe helps solve this issue due to its
Airflow Measurements for Residential Buildings
Posted on: 2021-11-19
In this presentation, Sam Myers shows you how to measure airflow in a variety of situations. Whether you are trying to measure flow in bathfans, kitchen exhaust, HVAC supplies, returns or total system
Certified Retrotec Large Building Training
Posted on: 2021-11-17
Certified Retrotec Large Building Training
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
