Extra Edition

Btu Buddy 133: Evaporator Coil Freezing, Low Ambient Problems

April 21, 2014

Bob and Tim were on their way to a no cooling call, their first of the season, when Tim asked, “Wonder why we would have a no cooling call this time of year? It is only 75°F during the day and 40° at night.”


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Avionics Mil-Spec Part Solves Commercial HVAC Temperature Stability Problem

Part Maintains Setting and Avoids Repeat Service Calls
April 21, 2014

Modifying an off-the-shelf control knob used in avionic systems stopped repeated service calls for a major maker of commercial rooftop units. Electronic Hardware Corp. (EHC) was able to change its standard PT70 control knob to fit on a small circuit board inside the different HVAC models.


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Balancing Legal Marijuana, Safe Workplaces, and Drug Testing Policies

What Employers Need to Know
April 21, 2014

More states are legalizing medical marijuana, and recreational use is legal in two others. A tangle of federal laws adds to the confusion. Being aware of the legal issues involved and the changing legal landscape is important for employers to ensure that their drug testing policies are legal and enforceable.


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We Can Eliminate Distracted Driving Today, Says Expert

Actions to Address Driver Distraction
April 21, 2014

Government studies show more than 3,000 people die as a result of driver distraction every year. Connected mobility expert Peggy Smedley proclaims the technology to eliminate accidents and deaths due to distracted driving is literally at our fingertips. 


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Air-Fuel or Oxy-Fuel for Soldering and Brazing?

There Is a Time and Place for Both Processes in HVACR Applications
April 7, 2014

For the HVACR technician, the right tool for soldering and brazing pipe — an air-fuel or oxy-fuel torch — depends on the type and diameter of the pipe, its location, and considerations related to cost, safety, convenience, and ease of use. This article will examine those factors, as well as clarify some technical issues.


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Natural Ventilation: Keeping Health Care Buildings Healthy

For an Energy Efficient Solution, Natural Ventilation Should Be Fully Automated
April 7, 2014

Keeping large buildings well ventilated has always been a challenge. In health care buildings especially, supplying clean fresh air is of utmost importance to prevent CO2 and other contaminants from accumulating. The answer to energy efficient, healthily ventilated ambient environments? Natural ventilation.


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Building Your Brand: Go Big or Go Home

Book Explains How to Build Your Brand into a Major Asset
April 7, 2014

Many small businesses have plain, nondescript logos, and have built a plain, nondescript brand. In his book, Building a Big Small Business Brand, Dan Antonelli notes that it doesn’t have to be that way. Building a big brand can make a big difference for the small business owner.


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Five Digitally Vulnerable Areas You May be Overlooking in Your Business

List Includes Digital Devices Used Every Day That Could Result in a Security Breach
April 7, 2014

According to a recent study by the Ponemon Institute, data breaches cost U.S. enterprises an average of $5.4 million per incident in 2012. Cintas Corp. partnered with the Ponemon Institute to identify five digital devices that are overlooked areas in a business and could be subject to a security breach.


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Btu Buddy 132: Tuning an Oil Furnace

March 24, 2014

Tim had asked Bob to go into depth about tuning an oil burner during the last service call. “You said that oil burning equipment requires more attention than any other type of residential heating equipment,” Tim said. “Can you explain why?”


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Technology Advancements Create New Air Curtain Applications

Air Curtains, or Air Doors as They Are Also Called, Are Finding Broader Use
March 24, 2014

There has been a deluge of recent technological advancements that are creating new air curtain applications that were barely imaginable 10 years ago. Advancements have ranged from more efficient electric heaters to manufacturing improvements that now extend lengths up to 16 feet.


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2014 MCAA Annual Convention

Scenes from the 2014 MCAA Annual Convention in Scottsdale, Ariz.

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NEWSmakers: Julian Scadden

Training is an ongoing process. Julian will discuss how you can generate maximum return on time and energy invested training by following a three part process. Listen to this podcast to get expert tips on training, tracking and follow up. 

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