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Monthly Archives: May 2013
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
Posted in HVAC Tech Support
Tagged cooling, heat pump, refrigerants, reversing valve, service, technology
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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
Posted in HVAC Tech Support
Tagged cooling, refrigerants, retrofit, service, technology
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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
Posted in HVAC Tech Support
Tagged analog meter, capacitance, capacitor, digital meter, digital meters, meters, service, technology, tools
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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
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
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
“Practitioners” of HVACR
After my “anniversary post” I received a very good and, I thought, important comment. The comment actually came from a TEACHER of HVACR at a community college — “Just as you do, I learn each and every day in this … Continue reading
May 1, 2013 D.0.E. Efficiency Standard Update
As you may be aware — today — May 1, 2013 — the D.O.E. Law OFFICIALLY/UNOFFICIALLY goes into effect allowing only 90+% efficient furnaces in the northern tier of states The Department of Energy released a statement stating that while … Continue reading
Posted in Commentary
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York Central Tech Talk 
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 →