BACK

#hvac

Tech Tips:

Troubleshooting 90%+ Gas Furnaces
This tech tip recaps the livestream by the same name, featuring HVAC School contributors Matt Bruner and Adam Mufich and special guest Ty Branaman. You can watch that livestream on our YouTube channel HERE and visit Tyโ€™s at https://www.youtube.com/@love2hvac. While 80% gas furnaces are relatively commonplace in the Southeastern United States, where HVAC School is […]
Read more
Practical Uses of Combustion Analysis
This tech tip reviews the live stream by the same name aired on November 1st, 2023. You can watch the full live stream HERE. We want to give special thanks to the guests: Jim Bergmann, Jim Davis, Tony Gonzalez, Louise Kellar, Bill Spohn, and Tyler Nelson! Gas furnaces (or any combustion equipment) create a controlled […]
Read more
5 Terror-Inducing HVAC/R Stories & Facts
As the evening approaches on this All Hallow’s Eve, Reformation Day, or Halloween (depending on your preference), let us take a moment to focus on some of the truly terrifying elements of our tradeโ€”because the scariest stories are TRUE. Real Ghost Stories  The year was 1921, and a wealthy family purchased a new home in […]
Read more
The Case for Buying a Combustion Analyzer
Last year, I bought my first combustion analyzer. I had just started my own company and felt the additional weight of responsibility to sit down and determine the best way to verify that the furnaces I was servicing were working safely. In the past, the most extensive testing I had done was a visual inspection […]
Read more
Manual J Field Data: Walls
This article will cover how to collect field data for walls on an existing home for an ACCA Manual J calculation. In full disclosure, I had never collected any field data for a Manual J before I wrote this article. Many of the methods discussed were suggested by HVAC technicians and contractors in an online […]
Read more
The Wide-Narrow-Wide of Manual J
Starting to work on a Manual J load calculation can feel extremely overwhelming. How do we know what to focus on? What does normal look like? What if Iโ€™m way off on something and install way too big or small of a unit? On a practical level, what is the payback or value of spending […]
Read more
Sizing Return Grilles
A few weeks ago, I spent several days redoing a duct system and replacing a furnace for a friend. I had static pressure readings from before the system was replaced, and with the new furnace that I had picked out, I had created a static pressure budget and felt confident I could significantly lower the […]
Read more
Under Pressure
A few weeks ago, I was hired to consult on a multi-family new construction project.ย  The building was already framed, and the ducts were roughed in.ย  The owner of the building was concerned with the quality of the ductwork.ย  He noticed that the HVAC company was not following the mechanical engineer’s plans. This was my […]
Read more
Refrigerant Recovery Practices
Recovery is the removal of refrigerant from a system. From there, you can either store it and send it in for recycling or reintroduce it back into the same system. Here are some top tips: Make sure your tank is empty and evacuated to 300 microns if you plan to return the refrigerant to the […]
Read more

Videos:

Podcasts:

A Conversation with NAVAC at AHR 2025
๏ปฟ๏ปฟ In this engaging episode of the HVAC School Podcast, host Bryan sits down with Jesse from NAVAC to dive deep into the evolving landscape of refrigeration technology, focusing primarily on the transition to A2L refrigerants. The conversation offers a refreshingly pragmatic approach to addressing industry concerns about these new, mildly flammable refrigerants, dispelling myths […]
Read more
VRF Tech Talk Takeover Podcast
๏ปฟ๏ปฟ Roman Baugh and Donald Falese from VRF Tech Talk podcast takeover the HVAC School booth at AHR EXPO 2025. Join them as they talk about the new VRF products being unveiled, water-cooled VRF ups and downs, and why VRF is such a difficult trade to work in. You will not want to miss this […]
Read more
UEI at AHR: Carbon Monoxide Safety and Combustion Analysis
๏ปฟ๏ปฟ๏ปฟ In this informative podcast episode, Bryan from HVAC School is joined by Louise Keller, the National Training Manager for UEI Test Instruments, to discuss the critical importance of carbon monoxide safety and proper combustion analysis. The conversation begins with lighthearted banter about the previous night’s Tactical Awards ceremony before diving into the serious topic […]
Read more
What’s New With Copeland at AHR
๏ปฟ๏ปฟ In this episode of the HVAC School podcast, Bryan sits down with James and Jeff from Copeland to discuss the evolution and capabilities of Copeland’s mobile applications, particularly focusing on the Copeland Mobile app and the new Scout feature. James, who has been with Copeland for 28 years, and Jeff, who works as a […]
Read more
Good QC, Startup, and Punchout Processes
๏ปฟ๏ปฟ In this episode, Bryan is joined by guests Jacob and JD to discuss quality control (QC), punch out procedures, and best practices in HVAC installation and service. The conversation delves deep into the various aspects of maintaining high standards in workmanship, from aesthetic considerations to technical performance metrics that affect system longevity. The discussion […]
Read more
Static Mistakes – Short #232
๏ปฟ In this short podcast episode, Bryan covers some common mistakes when measuring static pressure. Static pressure is balloon pressure, not CFM or velocity pressure, but it can be an airflow indicator. The best way to start learning about static pressure is to start measuring total external static pressure. Gas furnaces and heat pumps are […]
Read more
Santa Fe Talks Dehumidification at AHR 2025
๏ปฟ๏ปฟ In this insightful discussion at AHR 2025 in Orlando, Bryan connects with Nikki Krueger from Santa Fe dehumidifiers, exploring the evolution and importance of whole-house dehumidification in modern HVAC systems. Nikki, who has spent 20 years in the indoor air quality industry, shares her journey from a public relations background to becoming deeply involved […]
Read more
Catching Up with Fieldpiece and Refrigeration Technologies at AHR
๏ปฟ๏ปฟ In this special episode from the 2025 AHR Expo, Bryan brings us two fascinating conversations with industry leaders who are shaping the future of HVAC technology and tools. The episode kicks off with Tony Gonzalez from Fieldpiece celebrating their 35th anniversary. Tony shares his remarkable journey from packaging meters in the warehouse to his […]
Read more
From Plumber to HVAC Owner w/ Manly Arnanson
๏ปฟ๏ปฟ In this episode, Bryan speaks with Manly, an HVAC professional from Manitoba, Canada, about his journey from working in his family’s plumbing business to running his own HVAC company. Manly shares his experiences working in extreme cold weather conditions, where temperatures can drop to -30ยฐC (-22ยฐF), and discusses the unique challenges and emergency response […]
Read more

Users with Tag #hvac

To continue you need to agree to our terms.

The HVAC School site, podcast, and tech tips are
made possible by generous support from