1 N. State Street

Suite 400

Chicago, Illinois

Tel: 773-577-8074


© 2014 by Coyne College Resource Center.

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Free HVACR Webinars & Videos

Basics of Air Conditioning and Refrigeration
The interactive module provides an excellent overview of the air conditioning and refrigeration process, and provides a ‘refresher’ course in how to speak with customers using basic terminology.

Impact of Regional Standards
In this presentation at the 2013 AHR Expo, Karl Zellmer talks about the impact of regional standards on the HVACR industry.


Mobile Apps Explained
This video provides information on the background and design of Emerson Climate Technologies Apps like e-Saver, Fault Finder and X-REF. It also includes a screen by screen walk through of each, with added comments on scenarios for usage.


Understanding Compressor Electronics
This video was developed from a Webinar explaining compressor electronics for both Air Conditioning and Refrigeration applications.

Engineering Tool Box

This website cotains a variety of resources such as links for air conditioning, heating, noise & attenuation, ventilation, and insulation. Here's a direct link to a handy a psychrometic chart but be sure to check out the whole website. (psychrometric chart pdf)



The NEWS is the HVACR contractor’s weekly newsmagazine and is the industry’s most trusted and utilized direct communications link to the HVACR buyer. The NEWS assists the decision-makers from all branches of the air conditioning, heating, and refrigeration industry (residential, commercial, and industrial). In addition to contractors, these include manufacturers, distributors, parts and supply wholesalers, and service companies and their administrative, sales, engineering, production, and installation departments. With the latest information printed each week and 24/7 information on the web, The NEWS will educate you on a variety of different topics throughout the year.


Johnstone Supply-Contractor Tools

In addition to Johnstone's Supply's catolog, also on their website are several online calculators, conversion charts, slide rules and other HVACR pro contractor tools available for use online.


HVAC Glossary

The Lennonx Commercial Glossary gives you access to definitions of technical terms. (See the librarian for print resources also.)


Air Conditioning and Refrigeration Guide

This website provides information about maintaining, troubleshooting, and repairing a variety of air conditioning and refrigeration equipment. Much of the information on this site is free. However they do offer unlimited access to e-files for an additional charge.


HVAC Room Air Conditioning Calculator

This HVAC calculator is designed to give an approximate size for an adequate room air conditioner unit capable of cooling the room you have described in your entry.


RSES Journal

This HVACR Journal is considered on of the best HVACR magazines on the market today. Readers can expect to find technical articles on topics that can be applied while on the jobsite as well as industry product information.

Current HVACR students can apply online to recieve a FREE ONE YEAR SUBSCRIPTION!



Contractor Tools


Slide Charts:






Conversion Tools:


Part Finder Tools:



Additional Websites for Science



Free HVAC/R Ebooks


HVAC/R Videos


EPA Certification


NATE Certification