VerdaTech Energy Management and Consulting Inc

VerdaTech Energy Management and Consulting Inc We assist residential, commercial and industrial sectors to plan and reduce energy consumption

09/04/2026

As we get closer to the final session of our Large Building Blower Door Testing series, we’re revisiting this earlier City of Calgary project with Dawson Wallace.

In this project, Stephen Farrell completed a pre-testing walkthrough for a multi-unit building, reviewing the testing approach, guarded blower door setup, multiple fan systems, temporary sealing requirements, and the coordination needed before testing could begin. It’s a good example of how the preparation stage leads directly into the actual testing process.

That’s exactly where our final webinar picks up. Part 3 – Testing, Results & Solutions will focus on what happens on test day, how results are interpreted, and how testing can help identify leakage and guide practical solutions.

💻 Online | Free to attend
Part 3 – Testing, Results & Solutions | September 9
👉 Register here: https://www.eventbrite.ca/e/large-building-blower-door-testing-session-part-3-tickets-1998454583456

09/03/2026

The final step in large building airtightness testing is turning preparation into meaningful results.

Our Large Building Blower Door Testing – Three-Part Applied Learning Webinar Series wraps up with Part 3 – Testing, Results & Solutions on September 9.

After exploring testing standards and performance requirements in Part 1 and building preparation in Part 2, Stephen Farrell will bring the process together by looking at how the actual blower door test is carried out, how the testing setup works, how results are interpreted, and how tools such as thermography can help identify air leakage and support better building performance.

Join us for the final session and see how the complete process comes together—from understanding the requirements to testing and interpreting the results.

💻 Online | Free to attend
Part 3 – Testing, Results & Solutions | September 9
Register👉: https://www.eventbrite.ca/e/large-building-blower-door-testing-session-part-3-tickets-1998454583456

08/28/2026

A practical look at Large Building Blower Door Testing in the field.

Following Part 1 of our Applied Learning Series, here’s a real project example from Paul Jifon showing how guarded blower door testing can be carried out in a building.

This project involved guarded blower door testing of two units within a multi-unit residential building in accordance with E779. Blower door fans were used in the test units and adjoining units to maintain similar pressure conditions, helping minimize air movement through shared walls, floors, and ceilings and isolate leakage through the exterior building envelope.

Our team completed both and testing and used a smoke puffer to help identify specific areas of air leakage within each unit. The collected airflow and pressure data were then analyzed to determine the applicable air leakage rate and documented in a final report for the client. - with Dawson Wallace Construction Ltd.
Our series continues with two upcoming sessions that take a closer look at the practical side of the testing process:

💻 Online and free to attend.
➡️Session Part 2 – Preparing the Building | September 2
Learn how to prepare a building for testing, including test boundaries, building conditions, equipment setup, temporary sealing and test-day readiness.
Register: https://www.eventbrite.ca/e/large-building-blower-door-testing-session-part-2-tickets-1998454220370

➡️Session Part 3 – Testing, Results & Solutions | September 9
Explore what happens on test day, how results are interpreted, and how testing can help identify air leakage and guide practical solutions.
Register: https://www.eventbrite.ca/e/large-building-blower-door-testing-session-part-3-tickets-1998454583456

08/27/2026

What needs to happen before a large building is ready for blower door testing?

In this video, Stephen Farrell introduces Part 2 – Preparing the Building, where the focus shifts from understanding the standards to putting them into practice. The session will look at building setup, blower door and equipment requirements, walls and mechanical systems, and the coordination needed between the testing and project teams to properly prepare for test day.

Part 2 is one stage of our complete Large Building Blower Door Testing Applied Learning Series, taking participants from standards and performance requirements in Part 1, through building preparation in Part 2, and finally to testing, results and practical solutions in Part 3.
Follow the full series for a practical look at large building airtightness testing from preparation through to results.

Large Building Blower Door Testing
Part 2 – Preparing the Building | September 2
Register: https://www.eventbrite.ca/e/large-building-blower-door-testing-session-part-2-tickets-1998454220370

Part 3 – Testing, Results & Solutions | September 9
Register: https://www.eventbrite.ca/e/large-building-blower-door-testing-session-part-3-tickets-1998454583456

Great Case Study of the 9.36 Performance Path to review.
08/27/2026

Great Case Study of the 9.36 Performance Path to review.

08/24/2026

A look back at Large Building Blower Door Testing!
In this video, Sree from our Nanaimo office walks through some of the important considerations when planning a large building airtightness test, including understanding the testing standards that may apply to your project.

With our upcoming three-part Large Building Blower Door Testing Applied Learning series just around the corner, this is a great introduction to some of the topics we’ll be exploring in more detail—from understanding the standards to building preparation, testing and results.

Part 1 – Understanding the Standards | August 26
Register: https://www.eventbrite.com/e/large-building-blower-door-testing-session-part-1-tickets-1995130515078

Part 2 – Preparing the Building | September 2
Register: https://www.eventbrite.ca/e/large-building-blower-door-testing-session-part-2-tickets-1998454220370

Part 3 – Testing, Results & Solutions | September 9
Register: https://www.eventbrite.ca/e/large-building-blower-door-testing-session-part-3-tickets-1998454583456

08/22/2026

Coming up soon!!
Part 1 of our Large Building Blower Door Testing series!

Join us on August 26 for Understanding the Standards, where we’ll cover the key standards, performance targets and metrics behind large building airtightness testing.

💻 Online | Free to attend
👉 Register here: https://www.eventbrite.com/e/large-building-blower-door-
testing-session-part-1-tickets-1995130515078

08/21/2026

Understanding the standards is the first step toward a successful large building airtightness test.

In this video, Stephen Farrell shares a preview of Part 1 – Understanding the Standards, taking place August 26. The session will explore key testing standards such as ASTM and CGSB, the different performance metrics used in airtightness testing, and how these requirements relate to project planning and testing.
Part 1 provides the technical foundation for the full three-part series. Participants can then continue with Part 2 – Preparing the Building and Part 3 – Testing, Results & Solutions for a practical look at the process from preparation through to interpreting the final results.

💻 Online | Free to attend
Part 1 – Understanding the Standards | August 26
Register: https://www.eventbrite.com/e/large-building-blower-door-testing-session-part-1-tickets-1995130515078

Part 2 – Preparing the Building | September 2
Register: https://www.eventbrite.ca/e/large-building-blower-door-testing-session-part-2-tickets-1998454220370

Part 3 – Testing, Results & Solutions | September 9
Register: https://www.eventbrite.ca/e/large-building-blower-door-testing-session-part-3-tickets-1998454583456

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