HVAC Contracting

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Tattoos, piercings, suggestive clothing, and other employee wardrobe choices can present sticky issues for employers. While companies generally have wide latitude to create and enforce dress codes, they may face unexpected landmines if they don’t plan ahead and consider the implications of their dress codes policies, or lack thereof.

Small compressor giant Embraco has unveiled the first oil-free compressor for domestic refrigerators in the world. The firm said it believes the new concept “will revolutionize residential refrigeration, expanding the possibilities in designing new refrigerators — from format to even additional smart features.”

GSH Group Inc., a multi-national facilities and energy management provider, announced that it has been awarded a three-year contract with the New York City Department of Correction. The contract, valued at over $2.7 million, is for HVAC services at various department facilities.

Your troubleshooting problem involves a 3-ton split system, and the complaint is that in a high outdoor ambient situation, the unit is unable to obtain the necessary comfort level in the 1,200-square-foot building it is supposed to cool. And, this unit has a history.

While workers performing electric arc welding are subject to hazards related to the inhalation of toxic fumes, eye hazards, burns or fires, the most potentially perilous hazard they face is electrical shock, which can result in electrocution and other horrific physiological problems.

The millennial generation, born between 1980 and 2000, will make up 50 percent of the global workforce by 2020. Over the next six years, this generation will climb the income ladder, purchase homes, and even start their own businesses. Here are some ways to begin cultivating and successfully acquiring this new customer base.

European contractor’s association AREA has launched its guide on the new F-gas regulation, aimed at clarifying the forthcoming changes for professionals who work in the refrigeration, air conditioning, and heat pump sectors.

SourceOne, an energy management firm managed by Veolia North America, has announced the completion of a boiler decentralization project for The Dimock Center, a nonprofit community health and human services organization located in Roxbury, Massachusetts.

Bob and Tim were at the shop after a day of service calls. The weather was still hot, 93°F, and Bob said, “We just did a service call with a system that was overcharged and had an orifice expansion device. I would like to go into further details with you on a system with a thermostatic expansion valve (TXV) for an expansion device.”

This multiple-part article series will discuss the basics, codes and standards, and the science behind chimneys. It will show how back drafting affects chimney performance, while explaining the principles of positive pressure. It will explain how to create and use positive pressure so chimneys will draft for safety and performance.