Extra Edition

Btu Buddy 113: Restriction in the Liquid Line Problem

August 20, 2012
Bob and Tim have been sent on a call to a house with no cooling. The system has just been installed and the construction crew has been having problems with startup. The system has a capillary tube metering device and Bob and Tim begin looking at what may be wrong.


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Is It Better to Test Ducts with a Positive or Negative Pressure?

August 20, 2012
A very common complaint about duct testing is that the covers get blown off the registers. Most code language leaves the choice of pressurizing or depressurizing up to the tester, but experience has shown that the positive pressure made sealing registers much more difficult, and could triple the time to perform a test.


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EEOC State Data Shows Trends, Areas to Watch

August 20, 2012
For the first time, the U.S. Equal Employment Opportunity Commission (EEOC) has revealed how many discrimination charges and which types of charges have been filed in each state and territory since 2009. Now, companies can access this information for each state where they have sites and offices.


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Thermal Energy Storage Slashes Peak Demand at McConnell Air Force Base

August 20, 2012
CALMAC has announced the successful installation of its IceBank® thermal energy storage tanks at McConnell Air Force Base (AFB) in Wichita, Kan. By implementing thermal energy storage, the base is able to reduce the costs associated with round-the-clock cooling and reduce peak demand charges.


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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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What’s Shakin’ with Your HVAC System?

August 6, 2012
Using a vibration tester can enable technicians with no training in vibration measurement and analysis to test pumps, motors, compressors, and other HVAC equipment and get both diagnoses and recommendations for required action on the spot within just a few minutes.


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Teach New Young Employees to Take Notes

August 6, 2012
“In one ear and out the other,” said a construction supervisor in a major real estate development company. “I would say to this one guy over and over again, ‘The details really matter.’ He was nodding his head, but I couldn’t tell if he was nodding to me or nodding with the music he was listening to. So finally I started making him take notes whenever I talked to him.”


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Refrigeration: A Fundamental Building Block

August 6, 2012
Technology such as cell phones and the Internet tend to get a lot of recognition as fundamental elements of an advanced society. However, I believe there are overlooked, less glamorous technologies, that are fundamental to advanced societies. One of these is basic technological building blocks is refrigeration.


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Btu Buddy 112: Too Much Load for Air Conditioner

July 23, 2012
Bob and Tim were on their way to a residence where the occupants said their unit runs all day long, but the space temperature rises to 82°F while the thermostat is set at 75°. The unit shuts off during the night and the temperature inside is 75° in the morning, but during the day it rises.


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Food Wholesaler Sees Big Savings, Quick ROI with WiFi-Enabled Thermostats

July 23, 2012
Through the installation of ecobee EMS thermostats in the massive warehouse and office campus of food wholesaler SUPERVALU® in January 2012, the company was able to slash energy usage and realize a return on investment within one week of installing the thermostats.


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Kyle Gargaro, editor-in-chief of The NEWS, hosted the 2014 ACCA CEO Forum. At the event, six well-known, highly respected company executives, Gary Michel, Ingersoll Rand/Trane; Chris Nelson, Carrier Corp.; Chris Peel, Rheem Mfg. Co.; Rod Rushing, Johnson Controls; Brent Schroeder, Emerson Climate Technologies; and Doug Young, Lennox; provided individual industry outlooks and fielded questions directly from attending contractors. Listen to the entire event on the NEWSMakers podcast. Posted on April 14.

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