The Energy Conservatory

The Energy Conservatory Located in Minneapolis, Minnesota, USA, The Energy Conservatory (TEC) is the world leader in the building performance testing industry.

The Energy Conservatory (TEC) is the leading manufacturer of air tightness testing tools, including the Minneapolis Blower Door™ and the Minneapolis Duct Blaster®. Since 1981, our goal has been to provide building professionals with the specialized tools and support needed to create more efficient, affordable and healthy buildings. TEC continues to set the standard for specialized air flow and pre

ssure measuring devices used to monitor and analyze the complex interactions which determine building performance. Our products have a proven track record for reliability, accuracy and versatility. Innovative design and careful engineering have given TEC a reputation for providing the most reliable, accurate and versatile performance testing products on the market today. Over the years we have developed a complete line of airtightness testing equipment including the Minneapolis Blower Door and Duct Blaster® systems. Other innovative TEC products include the TrueFlow® Air Handler Flow Meter (used to measure air handler flows) and the DG-1000 digital pressure and flow gauge. In addition, the development of easy to use accessories such as our TECTITE™ and TECBLAST™ software, pressure pans, video training materials and sales and marketing aids have made our products the standard of the industry. Currently, over 15,000 of our airtightness testing systems are used by building professionals, researchers and technicians around the world.

Join Chris Hughes, Bill Graber, and Jake Alpine from TEC for an update on the latest features added to the TEC TrueFlow ...
05/07/2026

Join Chris Hughes, Bill Graber, and Jake Alpine from TEC for an update on the latest features added to the TEC TrueFlow App and TEC AutoTest!

Learn more and ask questions about the new features of Pressure Graph, furnace forecasting and options for reporting pressures & custom reports.

We will also discuss upcoming training events coming to TEC this Fall - see you there!

TEC will provide updates on the latest features added to the TEC TrueFlow App and TEC AutoTest. We will go over features of Pressure Graph, furnace forecasting and options for reporting pressures & custom reports. We will also discuss upcoming training events coming to TEC this Fall.

Join Jake McAlpine and Bill Graber at 2pm ET on Thursday March 12th for a TEC Webinar.You'll hear the latest updates to ...
03/09/2026

Join Jake McAlpine and Bill Graber at 2pm ET on Thursday March 12th for a TEC Webinar.

You'll hear the latest updates to TEC's products and software for multi-fan, whole building testing and more!
Register now on Streamyard to be notified and get reminders closer to the webinar. https://bit.ly/3Nj5DuS

Join Jake McAlpine and Bill Graber to hear the latest updates to TEC's products and software to multi-fan, whole building testing.

Join Jake McAlpine and Bill Graber at 2pm ET on Thursday March 12th for a TEC Webinar.You'll hear the latest updates to ...
03/09/2026

Join Jake McAlpine and Bill Graber at 2pm ET on Thursday March 12th for a TEC Webinar.

You'll hear the latest updates to TEC's products and software for multi-fan, whole building testing and more!

Register now on Streamyard to be notified and get reminders closer to the webinar.

👉 https://bit.ly/3Nj5DuS

Data logging now available in the TrueFlow app when you connect your Bluetooth DG-8 or DG-1000 gauge.
03/06/2026

Data logging now available in the TrueFlow app when you connect your Bluetooth DG-8 or DG-1000 gauge.

TGIF! This Friday marks a new feature release! Data logging is now accessible in the TrueFlow app when you connect your ...
03/06/2026

TGIF! This Friday marks a new feature release! Data logging is now accessible in the TrueFlow app when you connect your Bluetooth DG-8 or DG-1000.

03/03/2026

Introducing our latest feature release! You can now save equipment data directly in the TrueFlow app. Why is this featur...
12/10/2025

Introducing our latest feature release! You can now save equipment data directly in the TrueFlow app. Why is this feature significant? Watch the video to learn why. https://youtu.be/cAAHPx2sfj8?si=Wsb_6dqC2kI7sVejtsnt

This overview tutorial hosted by The Energy Conservatory (TEC) describes the new furnace forecasting mode inside of the Digital TrueFlow® Grid app. This new...

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12/03/2025

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By GRIT Foundation

Webinar today!New features and more capabilities from the TrueFlow. Come see what's new and how to use it!
11/21/2025

Webinar today!
New features and more capabilities from the TrueFlow. Come see what's new and how to use it!

This webinar hosted by The Energy Conservatory will discuss the new features & capabilities that are being released in the Digital TrueFlow app. To learn more, please join the webinar where these items will be discussed in detail.

Address

403 Hayward Avenue N
Oakdale, MN
55128

Opening Hours

Monday 8am - 4pm
Tuesday 8am - 4pm
Wednesday 8am - 4pm
Thursday 8am - 4pm
Friday 8am - 4pm

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