The following results come from a survey of 4th grade students who watched a presentation on the career of an HVACR service technician. For the full text of the story on this presentation, read the column, “Getting Fourth Graders Interested In HVACR,” in the February 24, 2003 issue.
Screw compressors can be either twin helical screws or a single screw design. They can be open drive, semi-hermetic, or hermetic in configuration. In addition, there are oil-flooded compressors and non-oil (dry) compressors.
For small valves up to and including 8 inches, the recommended direction of refrigerant flow is from under the seat. In this installation, the stem torque required to close the valve under system pressure is generally manageable. For larger valves, this same flow direction can create a problem.
Part One discussed communication in general and introduced neuro linguistic programming, defined as a science that explains how a person’s brain uses certain language to process information. Part Two discusses how you find out where you fit into the neuro linguistic programming profile.
Many HVAC service contractors are still performing their inspection and service activities and daily tasks using manual, paper-based forms. However, by supplying simple-to-use automation tools to your staff, management can increase productivity, improve the use of resources, and improve profitability.
September 11, 2001 changed the world forever. The personal loss was no more evident than in the lives of the employees and families of New York City HVACR contractor BP Air Conditioning.
Have you ever heard somebody say this about a technician? “He really knows his stuff when it comes to the technical side of things, but his people skills really suck.”
A Virginia contractor involved in new residential construction has developed a Web site for its builder partners to enable homebuyers to see a standard HVAC system along with upgrade options. This site is now available to other contractors and builders.
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