Air Conditioning

For schools, preventive HVAC maintenance is best performed during summer. Here are 13 steps to sustained efficiency, reduced costs, and prolonged equipment life....More

Port-A-Cool LLC, the Center, Texas-based designer and manufacturer of portable evaporative-cooling units, evaporative-cooling media, and accessories, recently named Ben Wulf president and chief executive officer....More

Most light-commercial HVAC products are designed for a useful life of 15 to 20 years. During that time, however, the reliability and cost-effectiveness of operation often is dictated by factors beyond the manufacturer’s control. At the same time, newer, more efficient HVAC products often can reduce maintenance and utility costs. When it comes to deciding whether to repair or replace an older rooftop unit, it is important to consider a number of factors, including current condition, age, efficiency, maintenance/repair history, and associated utility costs. This article discusses the process of making an informed decision....More

ASHRAE recently announced the publication of the 2013 editions of its two major refrigerant standards: ANSI/ASHRAE Standard 34, Designation and Safety Classification of Refrigerants, and ANSI/ASHRAE Standard 15, Safety Standard for Refrigeration Systems....More