Featured Stories

Facts + Figures: Sept. 8, 2014

Residential Electric Storage Water Heater Shipments Up 11 Percent in June

Industry figures are estimates that are derived from the best available figures supplied by a sample of AHRI member companies.


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Solar Applications Finding a Home in Residential HVAC

Photovoltaic Investment Paying Dividends in All Corners of the Nation

With all of the different solar applications available, determining the best option for homeowners is not a one-size-fits-all approach; it’s something often done on a case-by-case basis.


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Racing the Clock: Contractors and the Appointment Window

Communication Key to Being on Time, Building Trust

Being punctual is about more than just minimizing your customers’ wait times — smart contractors recognize they are building trust with clients when their technicians arrive on time. 


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Geothermal Industry Striving for Inclusion

Leaders Work for Federal Definition by End of 2014

Doug Dougherty said that even though getting GHPs included in the federal definition of renewable energy is one of GEO’s major issues, its efforts at the state level will not be deterred by a lack of recognition at the federal level.


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Duct Dynasty: Defining the ‘Real’ HVAC System

Equipment is a Component, Not the System Itself

Once the realization is made that the HVAC equipment is a component of the HVAC system and not the HVAC system itself, a contractor and homeowner can start to address the real issues. 


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The Professor: A Recap on Oil Traps

Functions, Dealing with Oil Reservoirs

The function of an oil reservoir, commonly known as an oil trap, is to prevent large oil slugs from forming. This is accomplished by trapping a small amount of oil in the reservoir or trap and gradually returning it to the compressor.


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HVAC Energy Solutions that Sell

Finding the Right Customers Plays Big Role in Making Sales

Although renewable energy solutions generally boast a great return on investment, finding the right customer often plays a big role in making a sale.


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Savvy HVAC Contractors Turn to Solar

Contractors Use the Sun to Offset HVAC System Energy Use

For contractors looking for new business opportunities, offering solar energy might be the wave of the future.


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‘Last-gen’ Refrigerants in Development

Manufacturers Focus on Low-GWP Alternative Refrigerants

Contractors hoping for the final word on the newest refrigerants may not have to wait much longer. 


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Ice Breaker: Advantages of Parallel Compressor Racks

Supermarkets Use Design to Cool Cases

For maximum efficiency, a bank of compressors should be connected to evaporators operating at similar temperatures. From an operational standpoint, cases of different evaporating temperatures can be connected to the rack; however, this causes a substantial energy loss.


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2014 Energy Efficiency Forum

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

Podcasts

NEWSMakers: Jason Vogelbaugh

Jason Vogelbaugh of Alpha Controls drops in to the NEWSMakers podcast to discuss his role with the company, the InsideIQ Building Automation Alliance, and current energy-efficiency projects being worked on. Posted on Sept. 26.

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ACHRNEWS

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2014 September 29

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EFFICIENCY STANDARDS

DOE has denied AHRI’s petition for reconsideration of walk-in standards. Is it getting harder to reach consensus on efficiency standards?
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2014 National Plumbing & HVAC Estimator

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

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