Articles Tagged with ''superheat and subcooling''

Btu Buddy 139: An Overcharged System - Part 2

Bob and Tim were at the shop after a day of service calls. The weather was still hot, 93°F, and Bob said, “We just did a service call with a system that was overcharged and had an orifice expansion device. I would like to go into further details with you on a system with a thermostatic expansion valve (TXV) for an expansion device.”


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Btu Buddy 138: An Overcharged System - Part 1

Bob and Tim were on their way to a service call with a new customer. When they got to the job, the customer explained, "The unit was not cooling and I had a company come out for a service call. The unit seemed to work OK last week when it was a little cooler outside, but this week it has warmed up and the unit is not functioning as well."


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How to Minimize HVAC Customer Callbacks

Discipline and New Technology Help HVAC Contractors Prevent Errors

What is a super tech? A super tech is one who eats, sleeps, and breathes HVAC. He may be a contractor, manager, or technician, but, above all, he is a perfectionist. And his greatest enemy is the callback.


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Btu Buddy 124: Superheat Explained - Part 1

Bob and Tim were in the company conference room where Bob is set to give Tim some extra training at Tim’s suggestion. Bob said, “Tim, you asked for more explanation of what superheat is. This is not a very simple topic. It will take a couple of meetings to go into detail about it.”


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Howard Weiss, executive vice president, HVAC Excellence stopped by The NEWS’ booth at the AHR Expo to discuss HVAC Excellence’s upcoming conference, networking opportunities at large expo’s, and much more. Posted on Feb. 27.
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