"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. 40: Hard Panel System
Posted on: 2022-05-03
Just like there's more than one way to skin a cat, there's more than one way to install a blower door system into a doorway. Meet the hard panel system. Though it is slightly leakier than the frame
Technical Tuesdays: Ep. 39: Secure Your Static Pressure Probe When Testing Ductwork
Posted on: 2022-04-26
This is a quick episode where Sam shows you how to make sure your reference tube can stay secure during a duct leakage
Technical Tuesdays: Ep. 38 - Duct Testing at Rough-in
Posted on: 2022-04-19
This week, Sam shares a quick tip for residential duct testing at the rough-in stage of new
Technical Tuesdays: Ep. 37 - The DM32X
Posted on: 2022-04-19
Introducing the DM32X. The next generation manometer for air tightness
DM32XPromoVideo
Posted on: 2022-04-11
DM32XPromoVideo
Technical Tuesdays: Ep. 36 - ABAA Large Building Training Recap
Posted on: 2022-04-05
A few weeks ago, we introduced you to the Air Barrier Association of America (ABAA). They just had their first training on air tightness testing on commercial buildings. This training took place in
Technical Tuesdays: Ep. 35 - NABCTA
Posted on: 2022-03-29
Sam catches up with Barry Cope from ATTMA and Eliot Benor from BET. They are working to create the North American Building Compliance Testing Association. This organization will create a pathway for
Why We Test Room Pressures: The HVAC/Building Envelope Relationship
Posted on: 2022-03-24
In this webinar Sam Myers and Genry Garcia discuss how the building envelope plays a vital role in HVAC. Using Sam's lab, they are able to demonstrate how to use the DM32 manometer to locate rooms
Technical Tuesdays: Ep. 34 - ABAA: Interview with Laverne Dalgleish
Posted on: 2022-03-22
In this episode, Sam catches up with Laverne from the Air Barrier Association of America (ABAA) to discuss new training, education, and certification opportunities that are coming soon. ABAA and its
Technical Tuesdays: Ep. 33 - Dominant Duct Leakage
Posted on: 2022-03-15
If you own a blower door or duct system, then you have the ability to check for dominant duct leakage. This is a pretty easy test to determine which side of the duct system has the most leakage for
Technical Tuesdays: Ep. 32 - Commercial Duct Leakage Testing
Posted on: 2022-03-08
Here at Retrotec, we make air tightness testing tools to serve all segments of the HVAC industry. The Model 400x and DM32-20 is our calibrated fan and manometer for testing air leakage in commercial
Technical Tuesdays: Ep. 31: Locating Leaks with Pressure Pans
Posted on: 2022-03-01
There are several ways to locate leaks in building envelopes with your blower door. One of them includes the use of the pressure pan. Here, you will depressurize the building to -50 Pa with your
Technical Tuesdays: Ep. 30 - Why We Measure Room Pressure
Posted on: 2022-02-22
A blower door test can provide us with a ton of information about a building: how air tight or leaky it is, where the leaks are located, and whether or not the house is controllable when it comes to
Technical Tuesdays: Ep. 29 - Blower Door + Thermal Imaging
Posted on: 2022-02-15
Not only does a blower door measure air leakage in a building enclosure, it can help locate the leaks as well. Using a thermal camera with a blower door is one of the best ways to make air leaks
Technical Tuesdays: Ep. 28 - Field Checking Your Tools - Vol III: DucTester
Posted on: 2022-02-08
This is the third and final video of our Field Checks series on Technical Tuesdays. In this episode, we cover how to check your DucTester fan for clogs in the pressure collections ports as well as how
Technical Tuesdays: Ep. 27 - Field Checking Your Tools: Vol. II - Blower Door Fan Check
Posted on: 2022-02-01
Here's Vol. II of our field check series on Technical Tuesdays. Its a good habit to check your fan for clogs, motor alignment and accuracy from time to time. Especially if you use it regularly or if
Technical Tuesdays: Episode 26 - Field Checking Your Tools: Vol I - Gauge Check
Posted on: 2022-01-25
When we're running air tightness tests and other pressure related diagnostics in the field, we rely heavily on our equipment to generate accurate results. Field checking your tools regularly is a
Technical Tuesdays: Ep. 25 - How To Fix Your Reading If You Select The Wrong Range
Posted on: 2022-01-18
Things happen, we all make mistakes. Sometimes we get in a hurry and forget to check behind ourselves to make sure our equipment is set up correctly. One of the most common questions we get is: "What
Technical Tuesdays: Ep. 24 - Is That Attic Really Encapsulated?
Posted on: 2022-01-11
Using spray foam on the roof deck doesn't automatically mean the attic is encapsulated. Just like any other building material, spray foam can be incorrectly applied and installed. Using a blower door
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
