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PODCAST

HVAC School - For Techs, By Techs

Real training for HVAC ( Heating, Ventilation, Air Conditioning and Refrigeration) Technicians. Including recorded tech training, interviews, diagnostics and general conversations about the trade.

business careers

All Episodes

01:00:10

What is Standard 310? w/ Eric Kaiser & Chris Hughes

HVAC School - For Techs, By Techs ·

2024/05/30

Standard 310 is a technical workflow created by ACCA, ResNet, and ANSI for grading the installation of HVAC systems, typically in new home construction. It plays a crucial role in obtaining Energy Star certification, which can qualify homeowners for tax credits under the Inflation Reduction Act. The five steps of Standard 310 are design review, duct leakage test, total system airflow, blower fan watt draw, and refrigerant charge verification. In this podcast episode, host Bryan Orr is joined by

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07:23

Q&A - Kitchen Exhaust and Makeup Air - Short #197

HVAC School - For Techs, By Techs ·

2024/05/28

In this short Q&A podcast episode, Bryan answers Gunther's question about kitchen exhaust and makeup air. Gunther asked if there were any studies that showed that makeup air should come very close to the hood to avoid infiltration. He also asked how to educate others who push back against the idea, particularly in kitchen exhaust systems of around 600 CFM. Commercial facilities, especially restaurants, bring in makeup air to balance out the air being exhausted. There are costs associated with makeup

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42:59

Duct Leaks - Measuring, Preventing & Repairing w/ Sam...

HVAC School - For Techs, By Techs ·

2024/05/23

This episode featured Bryan Orr interviewing Sam Myers, the building science consultant at Retrotec. Retrotec manufactures products like blower doors and duct testers for measuring air tightness and leakage in buildings. Sam discussed his role at Retrotec, which involves training contractors on using their tools properly, product design, software testing, presenting at conferences, and running trade show booths. He talked about the demanding travel schedule this requires but also the rewards of

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15:17

Q&A - RTU Tips - Short #196

HVAC School - For Techs, By Techs ·

2024/05/21

In this short Q&A podcast episode, Bryan answers Jeremy's question about checking the charge on rooftop units, and he gives some RTU tips. Rooftop units often come in sets, so you can use a thermal camera to look at all of the RTUs and compare them. A thermal imaging camera may even show you where subcooling begins in the condenser, which can be a useful diagnostic hack. Try to avoid hooking up gauges each time you check the charge on a rooftop; RTUs have a fixed factory charge, and losses from your

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39:17

Practical Loads, Ducts and Sales w/ Brynn Cooksey

HVAC School - For Techs, By Techs ·

2024/05/16

This episode features an insightful conversation with Brynn Cooksey, an experienced HVAC contractor and trainer from Southeast Michigan. Brynn shares his expertise in conducting proper load calculations, sizing the equipment correctly, improving duct design, and addressing common issues contractors face. Brynn emphasizes the importance of performing accurate load calculations, especially in older housing stock where equipment is frequently oversized by 50% or more. He discusses how oversized

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09:41

Q&A - Starting an Internal Training Program - Short #195

HVAC School - For Techs, By Techs ·

2024/05/14

In this short Q&A episode, Bryan answers podcast listener Cooper's question about starting an internal training program. Eugene Silberstein has been on the podcast before to offer his perspective on this topic, which you can listen to HERE. Bryan recommends a combination approach: instructor-led, hands-on, and self-paced learning, all deployed together. Hands-on learning often gets missed, and we can give inexperienced techs experience with some basic troubleshooting tasks or breaking down and

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58:14

Bryan Orr - Humility in Thought Leadership

HVAC School - For Techs, By Techs ·

2024/05/09

This podcast episode is Bryan Orr's presentation at the 6th Annual HVACR Training Symposium: "Humility in Thought Leadership." Bryan reflects on his own journey as a trades educator, business owner, husband, and father, sharing personal anecdotes and insights that resonate with anyone in a position of influence. Bryan begins by acknowledging the challenge of maintaining humility in the face of success and recognition. He emphasizes the need to continually shift our focus from a mindset of

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12:48

Q&A - Tech to Service Manager Tips - Short #194

HVAC School - For Techs, By Techs ·

2024/05/07

This short podcast is a Q&A based on a question submitted to us by Andy Holt. Bryan gives some tips on how to go from service tech to service manager. Service managers may have better pay, but they also have different sources of stress than service technicians, and not all service tech skills will translate well to management. Service techs and service managers have completely different skill sets, and they have to be able to gain satisfaction from different sources. Service techs are satisfied by

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28:49

LIVE From the ACCA Conference 2024

HVAC School - For Techs, By Techs ·

2024/05/02

This episode was recorded live on location at the 2024 ACCA conference in Orlando. Bryan starts by interviewing Marissa, a co-founder of Conduit Tech, a software company providing load calculation and sales tools for HVAC contractors. Marissa shares insights into what it takes for contractors to successfully adopt new technology in their businesses. She emphasizes the importance of having support at multiple levels of the company, a willingness to thoroughly learn the new software, and providing

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33:37

Positive Productive Client Communication

HVAC School - For Techs, By Techs ·

2024/04/30

In this insightful podcast episode, the host delves into the crucial aspects of positive and productive client communication, drawing from his extensive experience in the residential air conditioning industry. He emphasizes the importance of setting the right tone, bringing energy, building trust, and adapting to different customer personalities when interacting with clients. The host highlights the key elements of positive communication, such as maintaining a consistently upbeat and enthusiastic

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01:00:53

Condensate Drains Install & Service

HVAC School - For Techs, By Techs ·

2024/04/25

Roman Baugh, Matthew Condron, and Luke Peterson discuss the importance of proper condensate drain installation and maintenance, particularly in commercial applications. The conversation begins with the hosts examining the typical drain configurations seen in different regional markets, highlighting the significant variations in practices across the country. Sizing and configuration of condensate drains can have a significant impact on system performance, especially in high-static pressure systems

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07:33

EEV Types - Short #193

HVAC School - For Techs, By Techs ·

2024/04/23

In this short podcast episode, Bryan explains electronic expansion valve (EEV) types. EEVs perform the same function as TXVs, but they operate electronically, not mechanically. The EEV makes sure that the evaporator is full of the right amount of refrigerant at saturation; it doesn't just affect evaporator pressure. We don't want high superheat (due to inefficiency), and we don't want zero superheat (due to the risk of compressor failure). EEVs commonly have a stepper motor with a set of discrete

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56:28

Heat Pump COP and Low Temp Lock Out

HVAC School - For Techs, By Techs ·

2024/04/18

This episode of the HVAC School Live Stream covers the key concepts around heat pump efficiency and understanding the coefficient of performance (COP). Eric Kaiser from TruTech Tools and Jim Fultz from White-Rodgers provide valuable insights into how heat pumps operate and how to optimize their performance, especially in colder weather conditions. The discussion begins by exploring the COP of heat pumps and how it compares to the efficiency of electric resistance heat. A COP above 1 means the heat

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10:13

Motor Protection Types - Short #192

HVAC School - For Techs, By Techs ·

2024/04/16

In this short podcast episode, Bryan talks about motor protection types, including overloads. The most common overload we see in residential HVAC is a built-in thermal overload, which is usually a bimetallic disk that flexes in response to heat (such as from a locked condition, electrical problem, or simply running hot) and opens the circuit. The two metals have different expansion and contraction rates, which causes the flexing; they will return to their original position once the motor cools down

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01:00:31

Expansion Valves - What Does and Doesn't Matter?

HVAC School - For Techs, By Techs ·

2024/04/11

This podcast features a lively discussion on expansion valves, particularly thermostatic expansion valves (TXVs or TEVs), with a panel of expert guests - Corey Cruz (a market refrigeration tech), Matthew Taylor (head of refrigeration service at Kalos), and Joe Shearer (with Precision Air Conditioning). The conversation kicks off by busting some common myths surrounding expansion valves. The guests agree that minutiae like the precise clocking (rotational orientation) of the sensing bulb or whether

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07:39

Q&A - How to Learn Superheat & Subcooling - Short #191

HVAC School - For Techs, By Techs ·

2024/04/09

In this short podcast episode, Bryan answers an audience member's question and explains how to learn superheat & subcooling, two fundamental aspects of the HVAC/R trade. You can submit questions of your own at https://www.speakpipe.com/hvacschool. Saturation is when a substance is in the liquid and vapor state in the same place. Eugene Silberstein likes to help us envision it by encouraging us to think of a horizon line on the ocean; anything below it is fully liquid (subcooled, what a submarine

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44:14

Focus of Your Goals w/ Refrigeration Mentor

HVAC School - For Techs, By Techs ·

2024/03/28

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 his experience of setting a goal to buy his first house and how writing down the specifics, such as the number of bedrooms and bathrooms, helped him achieve that

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07:51

When to Switch to Emergency Heat? - Short #190

HVAC School - For Techs, By Techs ·

2024/03/26

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 a heat pump with backup electric heat, we shouldn't ever rely just on emergency heat; we want the heat pump to run. Electric heat is just designed to supplement the heat pump's heating because it's inefficient

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38:47

Manual J in 15 Minutes?

HVAC School - For Techs, By Techs ·

2024/03/21

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 load calculations factoring in property data, orientation, cooling/heating degree days, and building materials. This allows contractors to perform detailed load calculations

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08:15

Combustion Venting Categories - Short #189

HVAC School - For Techs, By Techs ·

2024/03/19

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 open-combustion gas furnaces; they have high flue gas temperatures and are considered low or mid-efficiency furnaces. This venting category is not positively pressurized,

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875 results

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