Refrigerants & Reclaim

As California Goes . . .

Contractors Eye State for Refrigeration, Refrigerant Regulations

As California goes, so goes the rest of the country. That adage has often proved true especially when it comes to regulations related to refrigeration and refrigerants. The state's aggressive environmental and regulatory positions have caused the rest of the United States to monitor policy making and enforcement out West.


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Transcritical Carbon Dioxide Performs Well in Supermarket Pilot

Valuable Lessons Learned in 13-Month Project

This case study documents one year of operating experience with a transcritical carbon dioxide (TC CO2) booster refrigeration system at Delhaize America’s Hannaford supermarket location in Turner, Maine. This store, which began operation in June 2013, is the first supermarket installation in the U.S. of a TC CO2 booster refrigeration system.


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EPA Approves SNAP Substitutes

New Rule Expands List to Include More Low-GWP Alternatives

The EPA announced it’s increasing the options for refrigerants used in various types of refrigeration and air conditioning equipment in the U.S. to offer alternatives with low global warming potential. 


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March 3, 2015: EPA Approves New Low-GWP Refrigerants

Final Rule Expands the List of SNAP-Approved Substitutes

The U.S. Environmental Protection Agency (EPA) announced it is increasing the options for refrigerants used in various types of refrigeration and air conditioning equipment in the United States to offer alternatives with low global warming potential (GWP). 


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Ice Breaker: What is Superheat?

Defining Vapor Refrigerant Temperature and its Impact on System Performance

Measuring the evaporator’s superheat value is an important part of analyzing a system’s performance. If a lower-than-normal value is measured, too much refrigerant is entering the evaporator for the heat load. If a higher-than-normal value is measured, too little refrigerant is entering the evaporator for the heat load. 


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2015 ACCA Conference

Images from the 2015 ACCA Conference in Grapevine, Texas. Posted on April 8, 2015.

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NEWSMakers: Clint Schreck

Clint Schreck, general manager, Columbus Worthington Air, Columbus, Ohio, discusses winning Angie’s List Super Service Award, how to handle online reviews, and much more.

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2015 May 25

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2015 National Plumbing & HVAC Estimator

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

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