The future of bypass ducts in zoned California heating and cooling systems appears very bleak. The California Energy Commission (CEC) recently proposed a code change that would prohibit the use of bypass ducts in zoned heating and cooling systems, and eliminate existing Title 24 zonal performance compliance credits.
Despite lingering economic blight, a gridlocked political climate, and mild winter temperatures, Paul Stalknecht, president and CEO of the Air Conditioning Contractors of America (ACCA), is beaming with optimism.
The Air Conditioning Contractors of America (ACCA) will welcome more than 250 suppliers, service providers, and exhibitors to its Indoor Air Expo, to be held during its 44th annual conference and expo.
The Air Conditioning Contractors of America (ACCA) is hoping to educate attendees through discussion and collaboration at its 44th annual ACCA Conference and Expo.
We, as contractors, have to walk a very fine line when it comes to deciding what issues/opportunities we go after. The reason for this is that we have a responsibility to our customers to make them aware of upcoming issues in order that they, the customers, may make informed decisions regarding the issues confronting them.
A well-designed medium temperature refrigeration system will maintain both a proper case temperature and relative humidity (rh). The preservation of food depends not only on the temperature, but also on the relative humidity within a case.
The International Institute of Ammonia Refrigeration will hold its 2012 Industrial Refrigeration Conference & Exhibition, March 17-21 at the Frontier Airlines Center in Milwaukee.
Condenser subcooling ensures that there is a liquid seal at the condenser’s bottom so the liquid line or receiver will not be fed with vapors. This condition prevents any noncondensables, like refrigerant vapor or air, from leaving the condenser’s bottom and entering the receiver or liquid line.
The National Environmental Balancing Bureau (NEBB) recently published the “Commissioning of Commercial Refrigeration Systems Guideline,” which was developed in collaboration with the Refrigeration Service Engineers Society (RSES).
As Europe goes, so goes North America. That was a proven adage when it came to the phaseout of CFCs and HCFCs. Even these days, the North American HVACR market closely monitors developments in Europe for signs of what eventually may cross the Atlantic Ocean.
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