Bryan Orr

An Introduction to Glide at Static Pressure

September 16, 2019

We’ve been spoiled in the USA because we haven’t needed to deal with glide much. But the days of being able to ignore glide are coming to an end.

Eight Quick Tips for Electronic Leak Detection

Advice for perfecting this common technician's task

Bryan Orr

August 5, 2019

No Comments

Electronic leak detection is a very common sources of misdiagnosis. Here are tips to make your leak detection more successful.

Gas Law Concepts For HVACR

Understanding the ideal gas law eases understanding of HVACR

Bryan Orr

July 8, 2019

No Comments

HVACR is harder if you don’t understand the concepts behind the ideal gas law.

5 Capacitor Facts You Should Know

These facts will come in handy during diagnosis and replacement

Bryan Orr

June 10, 2019

No Comments

While capacitors may be easy to diagnose and replace, here are some things many techs may not know.

Leak Detector Maintenance and Care

Quality care and testing will help find leaks the first time

Bryan Orr

May 27, 2019

No Comments

A good leak detector is a big investment and one of the more important tools a tech has on the truck. One thing that I have learned is that with leak detectors care, maintenance, and testing is a huge part of finding leaks the first time.

HVACR

Bryan Orr, vice president at Kalos Services Inc, talks solving residential moisture problems

Bryan Orr

May 17, 2019

No Comments

Bryan Orr gives tips on identifying mold and moisture problems in residential HVAC work.

Three-Phase Power and Voltage Imbalances

A little electrical knowledge can go a long way in troubleshooting HVAC systems

Bryan Orr

March 18, 2019

No Comments

In HVAC, we rarely need to have a deep understanding of electrical design. But there are a few cases where a little understanding can go a long way in identifying issues before they cause trouble, and that is the intent of this short article.

Deep Evacuation on a Grocery Store Rack - The ACHR News

How to Properly Evacuate Refrigerant

Don’t Suck When Pulling a Vacuum

Bryan Orr

February 25, 2019

One Comment

Evacuation is often called “vacuum” or “pulling a vacuum,” and it’s one of the most important parts of the HVACR installation and repair process where the refrigerant circuit is involved. Our goal should be to keep the closed refrigeration circuit clean, dry, and tight — just like I was taught since the very first week of HVAC school.

A Really Loud Compressor

Bryan Orr

February 4, 2019

No Comments

Yesterday I walked up on one of our managers who was talking to a junior tech diagnosing an intermittent controls issue on a pool heat pump.
In the background, you could hear an extremely loud compressor.

Checking the Charge on a Heat Pump in the Winter

Bryan Orr

January 7, 2019

No Comments

If you are making a refrigerant circuit repair, weighing out and weighing in makes perfect sense, especially since microchannel condensers and scroll compressors make pumping down less viable anyway. But there are many cases where you just need to check the charge to make sure the system is working properly, and in these cases, weighing in and out is just plain silly.