Articles by Leo A. Meyer

Furnace Installation Safety

August 6, 2012
This article deals with your personal safety when installing a new or replacement furnace. Topics covered include emergency procedures; clothing and safety gear; fall protection; electricity; lock out, tag out; GFCI; fuel safety; and confined spaces.


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Green Job Opportunities for You

January 4, 2010
These conditions were noted in an energy audit report: “The fire/smoke damper was closed.” “The coils are still dirty.” These are not unusual examples. Since 40 percent of the energy used in the United States is used to operate buildings, it is obvious that a big step in making America green is to make our buildings green.
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How a DDC System Operates

December 8, 2008
Every manufacturer of an HVAC digital control system uses the DDC to perform pretty much the same functions. The catch is that each DDC system has different ways of letting you use these functions. If you are used to operating computers, you have the basic knowledge required.
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Maintaining Control Systems and Identifying Problems

March 10, 2008
Remember that automatic control systems are automatic in operation, but not self-repairing. Unless a building has a service contract with a reputable controls contractor to inspect and calibrate the HVAC control system every six months, it is very likely that the HVAC system is not providing maximum comfort.
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Basic Principles of Refrigeration

May 21, 2007
If you are like most in the HVAC industry, you are a hands-on person - you don‘t want to mess with a lot of theory, but just get in and get the job done. But a refrigeration system is different from most of our work.
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Basics of Airflow

January 22, 2007
If you work in the HVAC industry, you are concerned with the process of conditioning air and moving air from one area to another. It makes sense that you need to know how air flows in ducts and what factors affect the flow.
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Math for the Technician: Using Shapes and Angles

November 13, 2006
A technician often has to sketch or design ductwork and other parts of an HVAC system. This means working with lines, angles, and other shapes. This article shows you how to draw and work with these different figures.
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2013 ACCA Conference & IE3 Expo

Photos from the 2013 ACCA Conference & IE3 Expo in Orlando, Fla.

Podcasts

Cade Clark, assistant vice president of government affairs for the Air-Conditioning, Heating & Refrigeration Institute (AHRI), gives a brief overview of the new version of the Shaheen-Portman bill, what AHRI thinks of the energy-efficiency legislation, and how it might affect the HVACR industry if it becomes law.
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