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ProCalcs

7th Annual HVAC/R Training Symposium

Day 2 Introduction

Day 1 Introduction

10 Things I’ve Learned in the Last 10 Years

A Layered Approach to IAQ

AC/DC, PWM, Serial Communication…80’s Rock Bands or ECM Communication Methods?

Animation of Combustion – The Burner and the Brains

Beyond Manual J

Business Processes and Procedures That Make a Difference

Combustion Analysis – The Essentials to Prosper Now and In the Future

Combustion Analysis I/C & S/T – Safety & Industry Best Practices
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Fan Law 2 for Techs with Adam Mufich

Understanding Airflow: David Bowie, a Used Car Lot, and a 40¢ Tool with Alex Meaney

Static Pressure Fundamentals

The PATH to High-Performance HVAC with David Richardson

Cornerstones of Inverter-Based Equipment Commissioning with Chris Hughes and Adam Mufich

Winter Furnace & Heat Pump Checking Tips

Fast-Stat 5000 Unboxing

Auto Draft

Auto Draft

VRV Data Analysis Class Part 2

VIPER WETRAG HEATSHIELD Demo – How to Protect HVAC Components During Brazing

Brazing Heat Protection with Viper WetRag
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Voltage Protection Devices
As HVAC technicians, our responsibilities extend beyond the mechanical and refrigerant systems. The electrical power sup

HVAC in Nuclear Emergencies
This tech tip is based on a podcast episode with Bill Nowicki about the latest DHS guidance on HVAC use in nuclear emerg

A2L Refrigerant Sensors: Understanding False Alarms from Off-Gassing
As the HVAC industry transitions to refrigerants with lower global warming potential (GWP), A2L refrigerants like R-454B

Refrigeration Communication Troubleshooting Using Oscilloscopes
This tech tip is the final installment in our short series on using oscilloscopes to troubleshoot communicating systems.

Preventing Heat Illnesses in the BLAZING Summer Heat
This tech tip about preventing heat illnesses covers information and resources from the Cleveland Clinic, the U.S. Cente

What is RS-485 Communication?
This tech tip about RS-485 communication is the third installment in a four-part series about oscilloscopes. It's a prim

A2L Dissipation Boards and Leak Sensors
The HVAC industry's ongoing shift towards eco-friendly solutions continually introduces new challenges and learning oppo

Oscilloscope Systems and Settings
This is part two of our four-part series on oscilloscope fundamentals. Special thanks to Andrew Holden for his contribut

Brownouts and How They’re Killing HVAC Equipment
HVAC technicians typically focus on diagnosing issues related to mechanical wear, refrigerant leaks, or control problems

I’ve Done It This Way for 20 Years – And That’s the Problem
Every trade has its favorite phrases. One of the most common in HVAC goes something like: “I’ve been doing it this

Oscilloscopes 101
This tech tip is the first in a four-part series on using oscilloscopes. I'd like to give a special thanks to Andrew Hol

Estimating Made Easy with Unity Build
Many of you may already know that our HVAC company, Kalos Services, is also a GC. We do a lot of construction projects w
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Review of Vacuum for Service Engineers

Refrigerant Charging and Service Procedures for Air Conditioning

Bob’s House

Commercial Refrigeration for Air Conditioning Technicians

Refrigeration & Air Conditioning Technology

Fundamentals of HVACR

Understanding Manual D

Electricity for Refrigeration, Heating, and Air Conditioning

The Home Comfort Book

Modern Hydronic Heating
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Browning® Toolbox Technician™
Regal Beloit America Incorporated
The FREE Browning® Toolbox Technician™ app delivers an indispensable toolset for all HVAC contractors and maintenance personnel, including calculation tools, conversion tools, GPS enabled distributor locator, plus informative reference, installation and troubleshooting guides for everything from bearings to v-belts. This app also features the revolutionary V-Belt ID Wizard™, empowering personnel in the field to quickly identify an installed belt, even when the product ID is unknown.
Browning® Toolbox Technician™ features:
- V-belt troubleshooting
- V-belt selection guide
- Bearing basics & FAQs
- Air handler bearing interchange
- V-belt ID Wizard™ with part lookup & product images
- Where to Buy with GPS option
- Various conversion tools
- Efficiency calculators
- Much more!

Ref Tools
Danfoss A/S
The essential, all-in-one mobile app for air conditioning and refrigeration technicians
Get the guidance, support, information, and tools you need—on the job and infield. Ref Tools is a free, powerful app that contains essential tools every air conditioning and refrigeration technician needs in their digital toolbelt.
Previously known as Refrigerant Slider, Ref Tools represents the next digital evolution in the cooling industry. HVACR tools are becoming smarter, better, and easier to use, and Ref Tools puts them in the palm of your hand.
Our latest update greatly improves the in-app podcast experience—you can now subscribe to podcasts, enable notifications for new episodes, filter podcasts by language, and enjoy a new, streamlined player.

Measure Quick Hvac
MeasureQUICK
With measure Quick HVAC you can diagnose system problems from the most trivial to the most complex.
Our powerful data aggregation tools, coupled with just-in-time education, will increase a technicians ability to solve problems on the job site, ultimately leading to a huge increase in productivity.
Measure Quick makes measurement science work!

HVAC School
By Techs for Techs
The app that helps you remember some things you forgot along the way, as well as helps you remember some things you forgot to know in the first place.For all current and aspiring HVAC technicians: HVAC School is the premiere source for knowledge and success in the HVAC industry.
With this app you can:
Listen to all episodes of the HVAC School podcast, a podcast committed to bringing you relevant and up to date knowledge of the HVAC industry and what it means to be an HVAC technician.
Read tech tip articles written by industry professionals on various topics to help build your knowledge base and understanding of HVAC theory
Interact with calculators that employ common HVAC equations to help build your understanding of important HVAC mathematics