Fundamentals of HVACR

This past week I had the pleasure of attending the Alabama Council of Air Conditioning and Refrigeration Educators, or ACARE. The meeting wa...

Several months ago I wrote about the power of smart phones and how they can be used as a service tool. Properly used, phones can save mechan...

One day while I was setting up for a lab I noticed that two of my scales did not agree. What was worse, the discrepancy was significant, eno...

How do you know if your students have actually learned the material? Most teachers verify the results using tests. You check the student’s k...

Happy Birthday USA! We celebrate July 4 th as the start of our nation. More correctly, it was the official start of the rebellion with the D...

I want to point out a relatively new provision of the International Mechanical Code and the International Residential Code – a requirement f...

There is certainly a lot of change taking place in HVACR! New refrigerants to replace old standards and  even newer refrigerants to replace ...