Since variable refrigerant flow (VRF) technology is still relatively new in the United States, many contractors lack a full understanding about VRF equipment. But experts on these systems are striving to dispel false impressions and provide training opportunities for contractors who want to learn about VRF.
The IntelliPak™ I unitary rooftop systems in configurations from 20 to 130 tons are available. The redesigned system is a packaged rooftop unit that has energy efficiency ratings (EER) of 11; some IntelliPak I configurations exceed the EER of 11 and achieve as high as 14.2.
As the green movement continues its forward momentum, numerous contractors are well ahead of the learning curve, thanks to a comprehensive qualification program, courtesy of the Mechanical Service Contractors of America. What is the association’s latest offering?
Superheat is probably the most talked about yet misunderstood technical term used by service technicians in the field. Superheat is a measured value. What can be done with it?
A number of manufacturers are greening their product offerings. Several of these manufacturers will be attending Greenbuild 2012. What will they bring to the show?
Today more and more systems are incorporating microprocessor controllers into their design. Troubleshooting the operation of these controllers can be a little tricky at times, but if broken down into sections it can be easier to handle.
The U.S. Green Building Council’s (USGBC) 11th annual Greenbuild International Conference and Expo will take place Nov. 14-16 in San Francisco. What can be expected?
The keys to success: loyalty, honesty, and an endearing spirit. Those are the attributes Jerry Hurwitz and his crew at J&J Air Conditioning have used to build a multimillion-dollar HVAC enterprise — one job at a time.
The Envision2 Compact Series commercial geothermal heat pump offers efficiencies and features in a cabinet that is among the industry’s smallest, making the unit ideal for boiler/tower applications and the replacement of aging water source heat pumps, the company says.
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