Extra Edition

Wall-Hung Gas Boiler Helps Innkeeper Cut Utility Bills by 67 Percent

Heating and Domestic Hot Water System Provides Superior Energy Efficiency
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Innkeeper Matt Mattingly of Gorham, Maine, is no longer among the many American home and business property owners who dread hefty winter utility bills and fuel cost increases. That all changed five years ago when he installed a Baxi wall-hung gas boiler.


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Troubleshooting Challenge: An A/C System That’s Not Keeping the House Comfortable

By Jim Johnson
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In this month’s troubleshooting situation, our customer’s description of the problem is “not cooling” and “blowing warm air,” and the equipment that is supposed to keep this residence comfortable is a split system that has been in service for 16 years.


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Hands-Free HVAC Troubleshooting and Diagnostics

System Approach Makes Troubleshooting Faster, Easier, and More Affordable
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Among the more stressful challenges facing HVAC service providers is meeting customer demands for rapid diagnosis and repair of their systems. For many HVAC contractors the solution can be found in a compact electronic measurement system that can monitor and log the status of all HVAC functions.


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The Importance of Putting a ‘Smile’ in Your Voice

On the Telephone, Your Voice Accounts for 84 Percent of Your Effectiveness
By Bob Janet
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Don’t assume your customers cannot see you when you talk to them on the telephone. Okay, they can’t physically see you, but they can see your attitude. They can see how important you think they are.


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Solar Water Heating Installed on 11-Story Affordable Housing Project

System Provides Renewable Heat for Hundreds of Low-Income Senior Residents in Southern California
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Promise Energy celebrated the installation of the largest solar water heating system in the city of Norwalk at the grand opening of the Norwalk Tower, an 11-story 185-unit affordable housing retrofit project.


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Btu Buddy 133: Evaporator Coil Freezing, Low Ambient Problems

By Bill Johnson
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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
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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
By Richard D. Alaniz
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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
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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
By Jacob Meeker
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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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2014 Energy Efficiency Forum

Highlights from the 25th annual Energy Efficiency Forum in Washington, D.C.

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NEWSMakers: Jeremy Begley

Jeremy Begley, home-performance specialist and Web and social media manager with National Heating and Air Conditioning Co. in Cincinnati discusses how and why you should add home-performance philosophies to your contracting repertoire. Posted on Sept. 12.

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