Troubleshooting an air conditioning system often concerns refrigerant, airflow, and mechanical problems, either individually or in combination. The next series of articles will deal with many of these ...

The summer heat is just around the corner, and that means HVAC troubles might not be far behind. Here are some quick tips on what you should do when your AC unit stops working. There are a number of ...

Well-known industry author and instructor Jim Johnson is offering a new video for technicians who want to sharpen their troubleshooting skills. "This HVAC training video program, is available in DVD ...