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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

50:05

Mini Split Install and Service Tips

HVAC School - For Techs, By Techs ·

2023/01/03

Craig Migliaccio, aka AC Service Tech, returns to the podcast to share his knowledge about mini-split install & service. He also talks a bit about his upcoming book, “Inverter Mini-Split Operation and Service Procedures.” Mini-splits are unique because they are compartmentalized in ways that traditional central-air ducted systems are not. Mini-splits come in many varieties, including ducted and ductless types, as well as multi-zone types. Many are inverter-driven and have more electrical efficiency

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38:30

CO Doesn't Leak w/ David Richardson

HVAC School - For Techs, By Techs ·

2022/12/29

David Richardson from NCI returns to the podcast to talk about why CO (carbon monoxide) doesn't leak and what it does instead. CO is a highly dangerous gas that is colorless and odorless, and we can keep ourselves safe by staying aware of it with personal low-level CO monitors. However, CO doesn't leak; it spills, especially via backdrafting, a blocked flue, or updrafting. Whenever the flue gas comes back inside the structure unintentionally, there is room for a potential CO problem. With proper

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39:16

One HSI Furnace Control to Rule Them All w/ Jim Fultz

HVAC School - For Techs, By Techs ·

2022/12/27

Jim Fultz with Emerson White-Rodgers returns to the podcast to talk about one HSI furnace control to rule them all, the 50M56X-843 Universal Single Stage Integrated Furnace Control. The 50M56X does not come with wiring harnesses; the control comes with the plugs that the majority of manufacturers use, making it a versatile and user-friendly universal part. It also works with the White-Rodgers Connect app to help you configure the part with the burners. You can also do some basic configuration when

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32:41

Using Ice to Balance Energy Consumption

HVAC School - For Techs, By Techs ·

2022/12/22

Yaron Ben Nun from Nostromo Energy joins the podcast to talk about ice banking, a way of using ice to balance energy consumption. Nostromo Energy is an Israel-based company that has recently started working in California. Water has a very high latent heat of fusion, meaning it can absorb and store a lot of energy between its solid and liquid states of matter. By storing ice, Nostromo Energy can support commercial and industrial structures that utilize chiller-type applications by offering a clean

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47:23

We need to Pay Better! - An Audio Manifesto

HVAC School - For Techs, By Techs ·

2022/12/20

Eric Kaiser and Ty Branaman return to the podcast to talk about why we need to pay technicians and field workers better in the HVAC industry and how small and medium businesses can help current employees. When the pay for entry-level HVAC positions can't compete with fast-food, retail, or warehousing jobs, we can't expect people to flock to the industry, especially since so much skill is required. Overtime is also almost unavoidable in many places, and it's a problem that requires a more nuanced

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38:06

Refrigerant Myth Busting w/ Dr. Chuck

HVAC School - For Techs, By Techs ·

2022/12/15

Dr. Chuck Allgood from Chemours returns to the podcast to do some refrigerant myth-busting. Many people don’t understand why high-GWP HFCs can impact the atmosphere if the refrigerant is heavier than air. High-GWP HFCs exist for a long time, and they last long enough for natural mixing and the wind to distribute their molecules throughout the atmosphere. HFOs, by comparison, are more reactive in the atmosphere and have relatively short lifespans, meaning they have less of an effect on the

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45:56

The Good, Bad and Ugly of Trade Schools

HVAC School - For Techs, By Techs ·

2022/12/13

Ty Branaman and Eric Kaiser return to the podcast to discuss the good, the bad, and the ugly of trade schools. They cover the opportunities and challenges they've observed in trade schools. As with for-profit colleges, for-profit trade schools market programs aggressively and can take people who are at a crossroads in their life and saddle them with debt. In some cases, trade schools are hesitant to fail people and end up passing people who don't have the technical proficiency to be effective

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39:08

Selecting Proper Cleaners w/ John Pastorello

HVAC School - For Techs, By Techs ·

2022/12/08

John Pastorello from Refrigeration Technologies returns to the podcast to talk about selecting proper cleaners for various HVAC/R jobs. From the beginning, the goal of Refrigeration Technologies has been to make cleaners that are safe but have the same effectiveness as the strong, hazardous varieties in the industry. The more hazardous cleaners are not food safe and may be corrosive, dangerous to inhale, or irritating to the skin or eyes. Some cleaners can also damage components; brighteners aren’t

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34:09

Good Tech, Good Service Manager?

HVAC School - For Techs, By Techs ·

2022/12/06

Eric Kaiser and Ty Branaman return to the podcast to talk about the progression from technician to service manager and if a good tech always makes a good service manager. They discuss career paths, differing skills between technicians and service managers, and how HVAC/R companies can support techs who wish to remain techs. In many cases, top technicians are pulled into service manager positions to keep them with the company. Sometimes, older technicians who have lost some mobility and strength over

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01:31:28

Why Aren't the Trades More Respected? w/ Kimberly...

HVAC School - For Techs, By Techs ·

2022/12/01

Kimberly Llewellyn from METUS joins the podcast to talk about the value system around the trades and why the trades aren’t more respected. In many cases, the people who are involved in engineering and design miss the practical details that the tradespeople would be able to pick up on. In many cases, tradespeople aren’t consulted early enough in the design process, and their input deserves to be brought to the table. Often, not everyone on a project team is on board with the project's goal, and the

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24:28

Getting More People Into The Trade

HVAC School - For Techs, By Techs ·

2022/11/29

Eric Kaiser and Ty Branaman return to the podcast to talk about getting more people into the trade. They focus on how the HVAC/R industry could be better at attracting and training skilled workers, not just getting more bodies to fill HVAC/R tech and installer positions. People are starting to see more value in skilled trades careers, but it's difficult to find people who share your company's values and want to grow as HVAC/R professionals. Skilled tradespeople need time, education, and money

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40:24

Becoming a Complete Tech

HVAC School - For Techs, By Techs ·

2022/11/24

Genry Garcia returns to the HVAC School podcast to talk about what becoming a complete tech really means and entails. He talks about his professional journey and what we must do to address our deficiencies. Career progression looks a bit different for everyone, with some technicians going to trade school and others starting as helpers and working their way up. We get used to taking readings and start noticing patterns. Then, we start understanding why we see certain pressures. Our experiences are

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09:14

Inductive Current Myths - Short #158

HVAC School - For Techs, By Techs ·

2022/11/22

In this short podcast in our electrical myths series, Bryan talks about some inductive current myths. There is a common myth surrounding voltage drop in inductive loads. When you decrease the voltage in a circuit with a resistive load, you'll see a relatively proportional drop in resistance (ohms) and current in accordance with Ohm's law. So, we'll see a decrease in current, but we have to keep in mind that load temperatures also affect the resistance (and the current, by extension). Some people

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49:55

Why it REALLY gets hot upstairs w/ Alex Meaney

HVAC School - For Techs, By Techs ·

2022/11/17

Alex Meaney returns to the podcast to explain why it REALLY gets hot upstairs and what we can do about it. He also talks a bit about his new business. Heat technically doesn’t rise; warm air is less dense than cooler air, so cooler air sinks as warmer air rises. In many cases, people blame stratification and the stack effect for warm upstairs areas, but there may actually be other issues at play, especially if the issue only seems to happen in the summer. Many apparent convective problems are

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09:06

Electrical Myths - Single phase is Really 2-Phase -...

HVAC School - For Techs, By Techs ·

2022/11/15

In this short podcast, Bryan busts the common electrical myth that single-phase 240v power is really two-phase power. When power goes into a structure that runs 240v appliances, we may understand that two 120v sine waves are 180 degrees out of phase with each other, but that isn’t 100% accurate. If we were to use an oscilloscope to watch the electrical sine waves, we would see two sine waves 180 degrees out of phase because the transformers are center-tapped. Center-tapping creates a neutral center

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51:35

Pumping Away, Hydronics Changes And Electrification

HVAC School - For Techs, By Techs ·

2022/11/10

Moe Hirsch joins the podcast to discuss the hydronics side of the industry, particularly focusing on Dan Holohan’s Pumping Away and exciting developments in the hydronics market, especially regarding electrification. Pumping Away is many people’s entry point to hydronics. It contains some good basic information about boilers, especially when it comes to learning about the pressures involved in pumping and how the components manipulate pressure throughout the system. Boilers use many of the same

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15:41

Electrical Myths - Hard Starts Reduce Start Current -...

HVAC School - For Techs, By Techs ·

2022/11/08

In this short podcast, Bryan busts the myth that hard starts reduce the start current on the run winding of a compressor. A single-phase motor’s main winding is the run winding; it has a lower resistance and a higher current than the auxiliary winding, also known as the start winding. Hard start kits are often used on HVAC systems with single-phase compressors (which usually have PSC motors). These kits usually consist of a start capacitor and a potential relay, which takes the start capacitor out

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40:49

The 24-Hour Technician w/ Andy Holt

HVAC School - For Techs, By Techs ·

2022/11/03

Andy Holt joins the podcast to talk about what it means to be a 24-Hour Technician. We talk about what it means to be HVAC/R technicians AND deal with the human aspects of our lives at the same time. Service technicians differ from installers in that they do much of their work solitarily. They spend a lot of time by themselves. They’re also on their feet very often and may do emotionally exhausting work, but they can earn a respectable living and accumulate savings for the future. To make our work

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01:24:51

Furnace Commissioning w/ MeasureQuick 2.0

HVAC School - For Techs, By Techs ·

2022/10/27

Jim Bergmann returns to the podcast to talk about furnace commissioning procedures and the development of measureQuick 2.0. MeasureQuick 2.0 has been a collaborative effort between Jim Bergmann and Joe Medosch, and it comes with an upgraded user interface that allows for faster operation and easier system data access and storage, and it works with more tool manufacturers’ tools. Gas furnaces need to be commissioned to reach their maximum potential (and lifespan). MeasureQuick 2.0 provides

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01:25:37

Light Commercial PM Process

HVAC School - For Techs, By Techs ·

2022/10/20

Mike Klokus and Jeff Crable walk us through Kalos Services' light commercial PM process. First, we verify that everyone is clear on the agreement. Then, we start the PM with a thorough visual inspection, taking copious notes about things that look concerning. Once we’ve done a visual inspection, we clean the condensers. We try to use only water when possible, though safe cleaners may be necessary in some cases. When checking the electrical components, we make sure the wires are neat and have tight

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879 results

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