Articles by Mike Taitano

Leak Testing and Evacuation

Service Tips for Techs
December 9, 2013
For newer technicians on the job, here are a couple of HVAC service tips about leak testing and evacuating after repairing a system.

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Tips for Refrigerant Retrofitting

January 9, 2012
These are a few tips to help contractors save some time and money on commercial kitchen and restaurant equipment refrigerant retrofitting.

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Can You Reduce Chiller Maintenance?

December 5, 2011
I simply don’t know of any way to reduce chiller maintenance (recommended scheduled maintenance), below industry standards and manufacturer recommendations, without reducing the system’s long-term efficiency and working life.

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Air Conditioning Coil Cleaning

April 4, 2011
Air conditioning coil cleaning is an important air conditioning maintenance procedure that sometimes takes some patience, and usually takes a lot of water. First, you have to make some common sense evaluations.
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Refrigerant Retrofitting

October 4, 2010
For several years, refrigerant retrofitting has been a common procedure for a lot of the commercial kitchen and restaurant equipment I work on, so I’ll go over some of the things I’ve learned that might help you save some time and money on your own retrofit projects.
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Improving Chiller Efficiency

February 8, 2010
When you improve chiller efficiency, you can have better control of the chiller and the air conditioning in the building, and the chiller will also last longer. The recommendations here are for centrifugal chillers. Several different methods are suggested.
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Troubleshooting a Refrigeration Control System

June 8, 2009
When you’re troubleshooting a refrigeration control system, keep in mind that no matter how complicated the schematic might look on paper, the control system is actually only trying to provide a few simple outcomes.
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Handling Central Air Conditioning Condenser Problems

October 6, 2008
If your central air conditioning condenser problem is that the compressor and condenser fan won’t run, this article lays out a series of troubleshooting steps to help you in identifying and correcting the problem. By the time you make all these checks, if the problem was electrical, you should find it.
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Air Conditioning System Commissioning and Startup

April 7, 2008
Air conditioning system commissioning and startup is the process of inspecting a new air conditioning installation, and verifying that the new system is running properly and efficiently. This article describes the commissioning procedure.
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Freezer Repair

November 5, 2007
A very common freezer repair trouble call is a frozen evaporator coil. When you open the door to inspect the coil, look around for signs of outside air migrating into the box.
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Mini Split Installation

Twin Cities contractor Aabott Ferraro helped retrofit an older St. Paul home.


NEWSMakers: Doug Dougherty

Doug Dougherty, president and CEO of the Geothermal Exchange Organization (GEO) joins the program to discuss the latest happenings with GEO, including the drive to get included in state and federal definitions of renewable energy, plus the future of geothermal.  Posted on July 25.

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2014 July 28

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Some in the industry are calling for the EPA to halt production of R-22 as of 2015. What do you think?
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2014 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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