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EPA Warns Against Use of Refrigerant Substitutes That Pose Fire and Explosion Risk

WASHINGTON – The U.S. Environmental Protection Agency (EPA) is warning homeowners, propane manufacturers and sellers, home improvement contractors and air conditioning technicians of potential safety hazards related to the use of propane or other unapproved refrigerants in home air conditioning systems. EPA is currently investigating instances where propane has been marketed and used as a … Read More »

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Air-conditioning & Heating Equipment FAQ About R-22

A variety of air-conditioning and refrigeration equipment may contain HCFC-22 (also called R-22) or its blends. Such equipment includes packaged air-conditioners, chillers (e.g., air-conditioning systems for office buildings, hotels, shopping centers, and other large buildings), retail food equipment (e.g., supermarket food cases, walk-in refrigerators/coolers/freezers, ice cream machines, beverage vending machines, and stand-alone food/beverage display cases), … Read More »

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HC Refrigerants Finding Foothold in U.S.

Now that the Environmental Protection Agency (EPA) has greenlighted the use of a number of hydrocarbon (HC) refrigerants in certain refrigeration applications, many in the industry have questions about these refrigerants and their potential uses. Concerns include how contractors will accept refrigerants they may not be that familiar with and the learning curve to work … Read More »

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EPA Proposes Faster R-22 Phaseout

How much HCFC-22 will be available to contractors in 2012 is an unanswered question as the Environmental Protection Agency (EPA) considers a faster phaseout of HCFCs. The EPA began the year by issuing a 75-page proposal called Protection of Stratospheric Ozone: Adjustments to the Allowance System for Controlling HCFC Production, Import, and Export. When and … Read More »

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Evolving Standards

Defining High Performance Buildings High performance buildings support mission-critical objectives. Sustainable design principles guide new construction, while operational protocols and maintenance best practices ensure that buildings perform optimally over time. No matter what their age, high performance buildings use energy and water resources efficiently, while creating a positive occupant experience. Most importantly, high performance buildings … Read More »

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