#hvac

Tech Tips:

HVAC Moneyball: Could It Work?
By:Tim De StasioThis 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 […]
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One Way to Picture Superheat and Subcool
By:Matthew BrunerIt took me years to build a picture in my head of what superheat and subcool mean. They were these strange words that dropped out of nowhere when I entered the HVAC world, and in the midst of grappling with so many other things, I could tell they were very important. Over time, I […]
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Six Tips to Help You Write an Article for HVAC School
By:David Richardson This tech tip was written by David Richardson, the Vice President of Training for NCI. David has been on several podcasts and has spoken at the HVACR Training Symposium multiple times. Thanks, David! Your ideas and experiences are the ingredients for great articles. Unfortunately, they are easy to forget if you don’t capture […]
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Where Should the Float Switch Go?
By:Matthew Bruner If you have worked at more than one company in your HVAC career, chances are you’ve found there is more than one place to put a float switch. Every company seems to have its own “secret sauce” for running drain lines and placing float switches.  Is your company a “no float switch” company? […]
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Soft Lockout vs. Hard Lockout
By:Matthew BrunerIf a furnace runs for years and years while tripping the limit switch but satisfies the thermostat, will it ever be noticed? The answer is most likely “no,” but it will depend on whether the furnace utilizes soft or hard lockouts when the limit switch trips. So, what is a soft lockout vs. a […]
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To Glass Ceilings And Those Who Lend Us Their Hammers
By:Jennifer ManzoThis tech tip was written by Jennifer Manzo, an HVAC technician and the founder of the HVA-Chicks coalition, which offers tech support and training as well as resources for women in the industry. She was one of our panelists on this year's Women's Panel at the symposium and was recently featured on a livestream […]
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Two Tips for Tough Vacuum Jobs
By:Matthew BrunerIn the last year or so, I have had a couple of puzzling experiences related to pulling a vacuum. These instances have left me with questions and clues where I thought I had given up on understanding a certain vacuum situation. Typically, if I’ve had a hard time achieving a proper vacuum, I would […]
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Is Value Perceived?
By:Adam MufichThe other morning, I was scrolling through HVAC Facebook groups when I came across a post from a homeowner. He was requesting recommendations for a book that would teach him how to design and install a new HVAC system, complete with ductwork, in his home. Immediately, my HVAC career flashed before my eyes like a Christian […]
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What to Do with Your Micro-Manometer
By:Adam MufichImagine this: you are pulling into your driveway from a long day at work, and you see a package waiting for you on your porch. You jump out of your truck and trip over the rose bush while running to see if this is what you have been waiting for. Upon closer inspection, you realize that […]
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Videos:

Podcasts:

When to Switch to Emergency Heat? – Short #190
By:Bryan Orr  In this short podcast episode, Bryan talks about when to switch to emergency heat. He talks about coefficient of performance (COP) and how it's a deciding factor when to run emergency heat, which is when a system ONLY runs the backup heat; it doesn't use it as supplementary heat. When we have […]
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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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Focus of Your Goals with Refrigeration Mentor
By:Trevor MatthewsBryan Orr  In this episode of the HVAC School Podcast, Bryan Orr and Trevor Matthews delve into the importance of setting goals, focusing on them, and taking actionable steps to achieve them. They emphasize that goal-setting is crucial for personal and professional growth and that it requires introspection, prioritization, and sacrifice. Trevor shares […]
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Manual J in 15 Minutes?
By:Shelby BregerBryan Orr  Shelby Breger, co-founder of Conduit Tech, joins Bryan Orr on the HVAC School Podcast to discuss her company's innovative lidar-enabled design and sales software tool for HVAC contractors. Conduit Tech's software utilizes lidar sensors in iPads and iPhones to scan homes and create 3D models and 2D floor plans. It overlays […]
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Belt Talk – Short #188
By:Bryan Orr  In this short podcast episode, Bryan dives into some belt talk, including some bits about pulleys and sheaves. He also shares some belt tensioning tips for your next commercial HVAC job. Belts are less common than they used to be, but we find them in ventilation fans, RTUs, and AHUs. Squealing belts […]
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Using the Roomulator w/ Chris Hughes
By:Chris HughesBryan Orr  In this episode of the HVAC School Podcast, host Bryan Orr speaks with Chris Hughes of The Energy Conservatory (TEC) about using the Roomulator card and DG-8 manometer for room pressurization testing. Chris provides background on how he came up with the idea for the Roomulator. He wanted an easy way […]
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Primary & Secondary Air in Combustion – Short #187
By:Bryan Orr  In this short podcast, Bryan dives into a gas heating topic: primary & secondary air in combustion. Primary air is the air and oxygen content that enters the furnace BEFORE combustion. In older furnaces, prior to induced combustion, air was drawn in through the front. These older furnaces had adjustable shutters that […]
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Heat Pump Basics In Plain Language
By:Bryan Orr  In this solo podcast, Bryan provides an introduction to heat pumps, explaining the basics of how they work and key considerations in a way that is easy for anyone to understand. He starts by reviewing some core HVAC principles – that heat moves from higher temperatures to lower temperatures, the three main […]
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Women in HVAC (Live Rebroadcast)
By:Shelby BregerSalli CobbJessica EaganMatthew BrunerJennifer Manzo  This podcast brought together several women working in the HVAC industry to discuss their experiences and offer advice. The conversation focused on the positives of working in HVAC as a woman, the importance of community, and the resources available. The women talked extensively about how welcoming and supportive […]
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Events:

Understanding Dual Fuel
By:Jim Fultz 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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Why Home Performance and HVAC are One
By:Rob Minnick 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 Quality Installation Conundrum
By:Brian Feenie 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 Devil is in the Data
By:Ben ReedCaroline Hazard 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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Women’s Panel
By:Rachel KaiserKimberly LlewellynJaimie JarvisSophie AshleyJennifer Manzo 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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30 Minutes or Less and You Only Have…
By:Joe MedoschDan Wildenhaus 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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