Extra Edition

The Solution to 'The Case of the Baby Boomer's Heat Pump'

Rarely have we had so many responses to a single System Mystery as we did for "The Case of the Baby Boomers' Heat Pump." The answers that best explained the operating conditions presented in our mystery involved the TXV and the reversing valve.
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Hot Topics, Cool Solutions 29: Smoothing the Material Flow

To improve the flow of materials to your people in the field and eliminate mistakes, you need to know what material is and isn't moving, and your trucks must have a standard stocking list.
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Using Air Intake Filtration to Optimize School IAQ

On air-handling units, air intake filtration increases the life of internal filters. On air-cooled chillers and condenser coils, it prevents debris from getting into the coils. On cooling towers, it isolates debris on the outside of the tower.
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Air Conditioning Troubleshooting

Are you a technician that needs to do some troubleshooting on a totally dead air conditioning unit? Grab your tools and crank up the can-do attitude. Here are some tips for troubleshooting that air conditioner.
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What Happens When a Building Turns Green?

Typically, green buildings save close to 30 percent of the energy and 50 percent of the water that buildings of comparable size waste. Those occupying these buildings claim improved health and lower utility bills.
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Lessons From the Manager's Boot Camp

When attendees of Bruce Tulgan's Manager's Boot Camp are asked, "What is the hardest thing, for you, about managing people?", the same issues come up again and again. Here are the major issues and some solutions to these challenges.
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Btu Buddy 39: Burned Transformer Due to Shorted Coil in Relay

In this edition of the Btu Buddy series, Bob goes on a service call and finds a failed transformer in an electric furnace. He discovers that the heat relay in the system has a shorted coil.
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Keeping Cool With Outdoor Air: Airside Economizers

This article reviews ASHRAE Standard 90.1's requirements for airside economizers and discusses the underlying design decisions and benefits of effective airside economizer systems.
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Hot Topics, Cool Solutions 28: Organizing Your Growth

A contractor has been blessed with rapid growth but he finds that his company is straining to keep things under control. What's the first step in managing that growth? An organizational chart.
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Stop Blowing Hot Air

If you want to keep equipment operating in peak condition, make sure you select the proper replacement fan blade when replacing a worn or damaged one. Proper fan blade selection can sometimes get overlooked.
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Image Galleries

2014 World Energy Engineering Congress

Scenes from the 2014 World Energy Engineering Congress in Washington, D.C.


NEWSMakers: Jim Johnson

Jim Johnson,an experienced trade school and community college instructor, discusses the HVAC industry and his column in The NEWS, ‘The Service Ticket.’ Listen now for a hint to the Not Enough Heat question from the Dec. 15 issue. Posted Jan. 30.

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NEWS 01-26-15 cover

2015 January 26

Check out the weekly edition of The NEWS today!

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Regional Standards

With regional standards for a/c equipment going into effect in 2015, how do you think it will impact the industry?
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2015 National Plumbing & HVAC Estimator

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

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