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Kitchen Exhaust and Makeup Air
Equipment Changes, Ducts are Forever
Brazing in TXVs: Best Practices
Make Plenum Pressures Work for You
5 Takeaways from Manual T
The MAD Room
Troubleshooting Water Leaks
The One Duct Leak You Didn’t Expect
HVAC Moneyball: Could It Work?
Jim Bergmann & MQ Update from NCI Summit
Q&A – System Won’t Dehumidify? – Short #214
What Is Up With Blower Amps & Watts w/ Steve Rogers
Q&A – Sizing Heat Pumps for Heat Load – Short #213
Water Issues – Spidey Sense
Q&A – Cultural Diversity – Short #212
Aux Lockout & Balance Point w/ Sensi
Q&A – How to Deploy a Dehum – Short #211
Leak Detection – Spidey Sense
Women’s Panel
30 Minutes or Less and You Only Have…
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Tech Tips:

This is a quick tech tip derived from a short podcast episode in response to a question by one of our viewers, Gunther. You can listen to that episode HERE. If you would like to submit a question for the podcast, you can submit a voice recording on Speakpipe at https://www.speakpipe.com/hvacschool. Restaurants are commercial facilities […]
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I’m installing the HVAC system for a house that is being completely gutted. It has vaulted ceilings throughout, and a small attic area was designated for mechanicals. The duct system can’t go in the attic because there basically isn’t one. The engineer intended the equipment to go in the attic mechanical space, and then the […]
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This is a quick tip from the “Expansion Valves – What Does and Doesn't Matter?” livestream on our YouTube channel featuring Joe Shearer, Matthew Taylor, and Corey Cruz. It’s time to talk about brazing again! Even though rehashing “flow nitrogen” and “use a wet rag” gets a little old, bad TXVs and callbacks also get […]
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There are several neighborhoods in my area with two—and three-story townhomes with zoning, and I always wonder how long those systems will survive. Zoning can be notoriously hard on HVAC equipment if not set up properly. A single-stage system running full tilt with half the airflow it was designed for because a zone is closed […]
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“Did you do a Manual J?” “Did you run a Manual S on that?” “What does Manual D say?” If you’ve asked any design-related questions on the internet in the last several years, you’re probably familiar with these questions. But how does one “do” a Manual T? I bought Manual T last year and gave […]
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This tech tip features a diagnostic flowchart by Genry Garcia. Thanks, Genry! The name of this document, “The MAD Room,” was chosen as a nod to the MAD-AIR study completed by John Tooley and Neil Moyer, presented in 1989. The teachings from that document played an instrumental role in creating the following diagnostic workflow. Disclaimer […]
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There is not much worse than having a service call where you can’t figure out where the water is coming from or where it came from before you got there. I have spent many hours scratching my sweaty head in attics while I stared into the riser of a drain line, waiting for water to […]
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Sometimes, you just get lucky. Sometimes, you get sent out to install a unit in a closet! Although these types of installs have their challenges, at least for me, they have appeared easier on the surface. There is no return ductwork, as the unit sits on a platform. We are rarely disconnecting ducts in the […]
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This tech tip was submitted by Tim De Stasio. He originally published it on his website, which you can visit HERE. Thanks, Tim! Winning takes strategy and the right information. The HVAC business is no different. But what information should we collect, even pay for, to get better and win? What if these widely accepted […]
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Podcasts:

Bryan sits down with Jim Bergmann at the NCI Summit in Asheville, North Carolina, to discuss the latest developments in HVAC technology, training, and industry trends. The discussion delves into the evolution of MeasureQuick 3.0, highlighting the shift back to a more technician-centric approach. Jim explains how they've redesigned the software to put gauges […]
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In this short podcast episode, Bryan answers a listener-submitted question about an HVAC system that won't dehumidify. This question was submitted by a homeowner with a Carrier heat pump with an attic air handler that cools but won't dehumidify on the hottest days of summer. One of the past companies that serviced the system […]
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Bryan Orr and Steve Rogers dive deep into measuring power consumption in HVAC blower motors, particularly focusing on the differences between PSC (Permanent Split Capacitor) and ECM (Electronically Commutated Motor) technologies. The discussion stems from a question raised at an educators' conference about the accuracy of clamp-on meters in measuring blower motor watt draw, […]
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In this short Q&A podcast, Bryan answers a listener-submitted question about sizing heat pumps for heat load in heating mode, something that we haven't talked much about in the past due to the greater need for cooling in our market. In most cases across the country, a heat pump's heating loads will be greater […]
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This episode of the HVAC School podcast dives deep into the often-overlooked but critical topic of water issues in HVAC systems. Bryan and Bert discuss the various causes of water leaks and condensation problems, and they explain how to prevent them. They emphasize that water damage is not an inevitable part of HVAC systems […]
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In this short Q&A podcast episode, Bryan answers a listener-submitted question about cultural diversity in the workplace, especially at an HVAC company. He addresses how we can deal with cultural and language differences in a field where communication is so important. Being open to different demographics of people is great for the industry, especially […]
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In this informative episode of the HVAC School podcast, host Bryan Orr sits down with Tom Lorenz to talk about some of the Sensi thermostat features, particularly aux lockout and balance point. Tom leads the traditional and smart thermostat lines at Copeland and has over 25 years of experience in the industry. The discussion […]
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In this short Q&A podcast episode, Bryan answers Howard's question about how to deploy a dehumidifier (dehum) in a sealed home. He addresses things like location and fresh air requirements in green-grass markets with high dew points. Before deploying a dehumidifier, you will need to know about the climate, the structure, and the client's […]
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In this episode of the Spidey Sense series, Bryan and Bert dive deep into the art of refrigerant leak detection, sharing their wealth of experience and practical tips for HVAC technicians. They emphasize the importance of using one's senses and observation skills before relying solely on electronic tools, highlighting how this “Spidey Sense” approach […]
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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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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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