#combustion

Tech Tips:

Gas Furnaces – What a Tech Needs to Know
By:Bryan OrrIt’s that time of year again—the furnace service calls are peaking. It’s a good idea to crack open Jason Obrzut’s book, Gas Heating: Furnaces, Boilers, Controls, Components, and listen to the many public podcasts and presentations by experts like Jim Bergmann. At HVAC School, we’re fortunate to have had some of the industry’s greatest […]
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Combustion Air
By:Bryan Orr To maintain combustion (burning), you need three things: fuel, heat, and oxygen. If you have all three in the proper proportion, you can maintain a continuous state of combustion. Remove one (or reduce one sufficiently), and the triangle of combustion can collapse. In a common natural gas (NG) furnace, the heat is the […]
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Podcasts:

Combustion Venting Categories – Short #189
By:Bryan Orr  In this short podcast episode, Bryan talks about the four different combustion venting categories for gas appliances as set by ASHRAE and where you'll see them. He also shares some notes about pressurization. These categories deal with the pressurization and temperature ranges of the vents. Category 1 venting is used for old-school […]
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Why and How of Combustion Analysis w/ Tyler Nelson
By:Bryan OrrTyler Nelson  Bryan Orr interviews Tyler Nelson, an HVAC expert with over 20 years of experience as a contractor. They have an in-depth discussion about combustion analysis and why it is becoming increasingly important for HVAC technicians to utilize this process. The conversation provides an overview of combustion analysis benefits and why HVAC […]
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Combustion Basics w/ Benoit Mongeau
By:Bryan Orr In this episode with BENOÎT MONGEAU, we talk about the components of combustion and what to consider when testing it on a fuel-burning appliance. Combustion requires fuel, oxygen, and a heat source in a correct balance. We call that series of requirements the “combustion triangle.” Once combustion occurs, it is self-sustaining. However, removing […]
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Events:

I’ve Got a Combustion Analyzer, What’s Next?
By:David RichardsonEric Kaiser NOTE: If you cannot view the recording, the video may still be processing. The maximum wait time is 24 hours. We apologize for the delay and appreciate your patience.
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Combustion Analysis and Troubleshooting
By:Tyler Nelson NOTE: If you cannot view the recording, the video may still be processing. The maximum wait time is 24 hours. We apologize for the delay and appreciate your patience.
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Combustion Analysis: Easier, Faster, and Better
By:Tony Gonzalez NOTE: If you cannot view the recording, the video may still be processing. The maximum wait time is 24 hours. We apologize for the delay and appreciate your patience.
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The Chemistry of Combustion
By:Rachel Kaiser NOTE: If you cannot view the recording, the video may still be processing. The maximum wait time is 24 hours. We apologize for the delay and appreciate your patience.
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