Articles Tagged with ''superheat and subcooling''

How to Minimize HVAC Customer Callbacks

Discipline and New Technology Help HVAC Contractors Prevent Errors
By Jack Sine
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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 126: Gaining Efficiency with Subcooling

By Bill Johnson
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Bob and Tim have been tuning up a system with an orifice metering device for the correct evaporator charge, when Bob said, “There is another verse to tuning up a system, and it’s called subcooling.”


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Btu Buddy 124: Superheat Explained - Part 1

By Bill Johnson
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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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Fieldpiece Instruments Inc.: Four-Port Wireless Digital Manifold

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With four ports and a built-in vacuum gauge on the SMAN4 digital manifold, users can evacuate a system, pull a vacuum, add refrigerant, and dial in the charge without unhooking their manifold. There are three standard ¼-inch ports and one beefy 3/8-inch port with the bore in the manifold being 3/8 inch throughout.


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2014 Energy Efficiency Forum

Highlights from the 25th annual Energy Efficiency Forum in Washington, D.C.

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NEWSMakers: Mark Satterfield

Mark Satterfield, founder and CEO of Gentle Rain Marketing Inc. and author of “The One Week Marketing Plan” talks about his book and the importance of HVAC blogging. Posted on Sept. 19.

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