
"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.

DM32X Tutorial
Posted on: 2023-01-27
This video shows the basic functions of the DM32X including how to connect tubing, power on and off, running fans, and how use the graphing

Residential Duct Leakage Testing (2022)
Posted on: 2022-12-08
In this presentation, Sam Myers demonstrates how to conduct a duct leakage test on residential HVAC systems. This includes setting up the house and duct system, setting up the DucTester equipment,

EnergieRijk Houten - Hunting for house leaks using the Retrotec Blower door system.
Posted on: 2022-12-06
EnergieRijk Houten - Hunting for house leaks using the Retrotec blower door

Clear Flange for the 340X DucTester
Posted on: 2022-08-24
We shouldn't have to fight with our tools. Thats why we developed the clear flange for our residential DucTester. The flange has two spring-loaded hooks that can attach to most return grilles. This

Blower Door 101: A Beginner's Guide to Testing Building Envelopes
Posted on: 2022-07-01
In this webinar, Sam covers the basic mechanics by demonstrating a blower door test. He also covers how to set up the house, and how to troubleshoot the system if you're not getting the reading you

Technical Tuesdays: Ep. 43: Intro To FanTestic - Semi-Auto Testing
Posted on: 2022-05-24
We like to keep our videos fairly short in our Technical Tuesdays series. However, that can be difficult to accomplish when we're diving into software, so this one is a little longer than usual.

Finding Home Leaks with Fogger, Thermal Camera, & Blower Door
Posted on: 2022-05-17
A demonstration on identifying home air leakage using the a thermal camera, the Power Tiny smoke generator, and Retrotec's blower door

Technical Tuesdays: Ep. 42 - Common vs. Individual Control
Posted on: 2022-05-17
Retrotec offers two methods of fan control when multiple fans are needed for a test. Common control is best suited for large building tests with a single zone. Individual control is used when there

Technical Tuesdays: Ep.41 - Door Panel Options for Large Building Tests
Posted on: 2022-05-10
Every large building test you do is going to be different from the last, which is why Retrotec provides multiple options for installing blower door fans into doorways. Whether if its our frame and

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
