Those in Phoenix have been asked to cut back energy usage, such as turning up the temperature on their A/C, until the replacement transformer is on-line. Since people haven't suffered consequences, most have slipped back into comfortable temperatures of 78 degrees to 80 degrees.
Payless Insulation recently started manufacturing patented cotton insulated semi-flex air ducts called Superior Air Ducts. Bonded Logic makes the cotton in these new ducts only for Payless. Ihe product is said to be a new generation of environmentally friendly, sturdy, higher-efficiency ductwork.
ASHRAE Standard 62.2 is not without controversy. The ASHRAE committee responsible for drafting the standard, however, feels confident that it will provide solid information to the industry concerning all aspects of residential ventilation.
The Chiller Systems Group (CSG) is a network of independent contractors who service and repair large-tonnage chillers. Their latest and best-attended meeting was held in Scottsdale, Ariz., this past March, hosted by Metro Mechanical Inc., Phoenix.
A new cooling system was needed for the McCormack Building, and it was decided that a hybrid chiller plant would fit the building's needs. This allows the state to take advantage of less expensive gas utility rates to condition the building efficiently and economically.
In the spring of 2003, Ferris State University's ice arena suffered major breakdowns on two of its three reciprocating chillers used for making ice. A hockey tournament was scheduled for the first week of April, and a quick solution was needed.
The cost of replacing all 13 of its rooftop units in one year would have been prohibitively expensive, so this mall and its contractor worked out a five-year plan to replace three or four of the units each year until the retrofit is completed.
Lennox just recently rolled out its first L SeriesÂ® rooftop units using R-410A. The company was spurred to introduce its R-410A units a little early, due to the request of Ikea, the furniture retailer.
The proliferation of gymnastics facilities has posed some interesting challenges when it comes to heating and cooling. A contractor found that by combining traditional rooftop units with fabric ductwork it was possible to keep the large space and its occupants comfortable year-round.
After years of market research, Maytag has entered the heating and cooling business under the Nordyne umbrella. Maytag hopes to capitalize on its brand name and the fact that most consumers view their products as being dependable and of high quality.