Monthly Archives: May 2013

Control Boards and Flash Code Diagnostics

Here is a very interesting statistic for you — One of the components usually at the top of warranty claims for any manufacturer is control boards. A large percentage (typically 50 – 70%) of control boards tested result in “No Fault Found” … Continue reading

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Heat Pump Cooling Basics

What is a heat pump?  It is an air conditioner that contains a valve that allows it to alternate between heating and cooling. Yes — it is an AIR CONDITIONER.  Some times we forget that fact — but a split system heat … Continue reading

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Retrofit R-22 A/C with Alternative Refrigerants?

As the weather starts getting warmer and contractors are finding older equipment that use R-22 refrigerant that appear to be low on charge or have some other refrigerant issue, the question has been coming up, “What ALTERNATIVE refrigerant should I be using since … Continue reading

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How to Test Capacitors

I know I am dating myself and I really hate to say this, but “when I started in this industry” I learned to test capacitors with an analog volt-ohm meter (Simpson 260 VOM to be exact and still a great … Continue reading

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Tips for Better Customer Relations

As I continue with this series on the customer side of the business, I got thinking about all the things I have learned or been taught over the years in regards to “dealing” with customers. To start this off, in … Continue reading

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How to Always Win With Customers

So often we get caught up looking at the technical side of what we do every day that, sometimes, we forget that there is also a “people” side to our industry.  In the next couple of posts, I’m going to … Continue reading

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Low Ambient Cooling

I recently had a suggestion for a post on low ambient cooling. Here is what was asked:  running DX cooling in times like today, a building had all the heat of a 82* day but out-door ambient has fallen to … Continue reading

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