Featured Stories

The Professor: Don’t Forget About the Oil Check Valve

Dealing With Startup and System Problems
By John Tomczyk
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An overview of the oil check valve, which will only let oil pass from the compressor’s motor barrel to its crankcase.


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Efficiency and Cost Concerns Drive Refrigeration Innovations

Technical Papers Examine New Ways to Work with Familiar Refrigerant
By Peter Powell
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When hundreds of ammonia refrigeration engineers, manufacturers, contractors, and end users gather in one place, technical talk is sure to follow.


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TAB Analysis Critical for Building Efficiency

Testing & Balancing Can Make Buildings Run Like a Well-Tuned Car
By Cherie Preville
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Testing, adjusting, and balancing (TAB) contractors diagnose performance shortfalls and make sure a building works as it is designed to, whether it’s newly constructed or an existing edifice.


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Ice Breaker: Gauging the Importance of the Service Ticket

Written Documentation an Important Part of Call
By Joe Marchese
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Techs may not see the importance of the service ticket, but they should, since it can be an accurate reflection of him and his work. 


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Heat Pumps Riding a Wave of Popularity

Shipments Grow by Double Digits, Trend Expected to Continue
By Joanna R. Turpin
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Manufacturers had a lot to like about last year. According to the Air-Conditioning, Heating, and Refrigeration Institute (AHRI), shipments of equipment increased in just about every category in 2013. Especially notable were shipments of air-source heat pumps, which were up 16 percent over 2012.


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Contrasting Classic and Contemporary Approaches to HVAC Marketing

What Works for Some Contractors Might Not Work for Others
By Matt Bishop
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What works and what doesn’t work in a small business seems to evolve on a daily basis. This mantra rings especially true in the realm of HVAC marketing. Although digital marketing is gaining steam and popularity with contractors, some aren’t convinced the traditional means of advertising are dead yet.


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Heat Pumps Gaining Interest Nationwide

Contractors Boost Sales by Offering Energy-Efficient Options
By Joanna R. Turpin
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Sales of air-source heat pumps used to be concentrated primarily in the Southern U.S., but that is changing as consumers become more aware of their energy-saving capabilities. In fact, in many markets, it may be more cost-effective to use an air-source heat pump for the majority of a homeowner’s heating and cooling needs.


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Heat Pumps Designed to Save Energy

High-Efficiency Equipment in High Demand
By Joanna R. Turpin
2 Comments

The energy-efficiency ratings of residential air-source heat pumps have risen dramatically over the last few years, with many manufacturers now offering equipment well exceeding the 20-SEER mark. There have been significant gains made in commercial heat pump efficiencies as well.


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My Two Cents: Maximizing Your Trade Show Space

Approachability, Attitude, Posture, and Planning Keys to Success
By Butch Welsch
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We have been exhibiting in the home builders’ home shows here in the St. Louis area for more than 60 years. While so many things have changed in so many ways over the years, it amazes me that exhibits in shows like these haven’t really changed much at all.


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My First Online Teaching Experience

I Often Find Myself Talking to My Computer
By John Siegenthaler, PE
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Last fall, I taught my first online course dealing with designing hydronic heating systems. The course was titled “Mastering Hydronic System Design.” It was a collaborative effort between HeatSpring Learning Institute, BNP Media’s CE Campus, and myself.


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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: Joseph Groh

Joseph Groh, an industry veteran boasting 35 years of HVAC experience, discusses the 2008 bicycle accident that cut his career tragically short, and how the Joseph S. Groh Foundation is his way of giving back to the construction trade. Posted on Aug. 22.

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2014 August 25

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Prohibiting HFCs

EPA is proposing a rule that would prohibit some HFCs in select refrigeration applications. Do you agree with this move?
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2014 National Plumbing & HVAC Estimator

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