Most Popular Articles
Contracting Business presents the Top 10 Most Read Articles of the past three months.
Superheat: The Best Way to Tune an Air Conditioning System
As energy costs increase and air conditioning system efficiency becomes more critical, the need for accurate superheat measurements becomes more important....
Duct Design Mythbusters
Duct Design Mythbusters By Paul Webolt It's often said that to do something right, you have to get back to the basics. Sometimes, the basics involve putting...
Problem Free Flex Duct Installation
Installing flexible duct correctly helps ensure the duct system does its job, without adversely affecting system performance. ...
Don't Forget To Consider the Condensate
BY MIKE CONNORS Water. There would be no life without it, yet it sure can cause problems, too. For example, failure to properly drain condensate from...
Benchmarking Your Business with Financial Ratio Analysis
By JAMES LEICHTER How's business? Of course, that's a loaded question. Better questions are: are your co-workers working as efficiently as they should...
Anyone Can Measure Static Pressure, Part 1
Manometers or pressure gauges have been used to measure air pressures for more than 200 years. The fathers of our industry used these gauges to learn about the mysteries of fans and duct systems. We use these same instruments (Although a little updated) to reveal similar mysteries about the systems we install and service today. Measuring pressure is just as critical in our time....
How to Troubleshoot Thermostatic Expansion Valves
In this 13 SEER world, thermostatic expansion valves (often referred to as TEVs or TXVs) are playing a larger role than ever before. These cooling system components have a profound effect on coil and overall system efficiency. ...
Steps to Proper Refrigerant Recovery
By Ralph Vergara The basics of refrigerant recovery begin with having the proper equipment. You will need manifold gauges, safety glasses, gloves, a refrigerant...
EPA Brochure Explains R-22 Phaseout
The EPA has published a brochure to help technicians understand key information related to the phaseout of refrigerant R-22....
10 Ways to Motivate Your Employees
BY JACKI BRADBURY-GUERRERO As business owners, we're always told to look at our balance sheets and profit and loss statements, because that's where we...
Refrigerant Recovery
Refrigerant recovery equipment has evolved from heavy, slow, complex pieces of equipment, to equipment that is light, fast, and user-friendly....
