Shipments of air conditioners and air source heat pumps topped a record 7 million in 2004 and increased for the third consecutive year, according to the Air-Conditioning and Refrigeration Institute (ARI).
M.S. Johnston Co., a family-owned dealership based in Hagerstown, Md., marked its 64th year as a dealer for York® International Corp., and is the company's longest-tenured dealer.
The I=B=R School is hosting a Modern Engineering Concepts for Hydronic Heating Design one-day seminar, which will be hosted by industry expert and contributor to PM Engineer and Plumbing & Mechanical - sister publications to SUPPLY HOUSE TIMES - John Siegenthaler.