While contractors cannot control the effects of natural disasters and claims/litigation increases in non-HVAC businesses, they can implement changes in their own businesses to reduce or minimize insurance costs. One way to fight back is to have a company-wide safety program.
The American Society for the Prevention of Cruelty to Animals (ASPCA) was already using ultraviolet (UV) light technology to disinfect bottled water in holding tanks. But the director of facilities was not aware of a new generation of UVC devices for use in air-handling systems.
The arrival of 13 SEER has, in the eyes of some contractors, caused manufacturers to retreat when it comes to supplying ducted air conditioning in the 1-ton, 12,000-Btu range. However, there are still some split systems employing micro-channel coil technology as well as an increasing number of ductless units for that market.
You don't have to be an "S.O.B." to want to enter the oil heating business, said Bob Hedden, who addressed instructors at the National Association of Oil Heating Service Managers (NAOHSM) Convention & Trade Show. In his example, S.O.B. referred to "son of the boss."
A major food processor recently switched its large R-22 refrigeration system over to R-507. The retrofit is said to be one of the largest of its kind and required more than 27,000 pounds of refrigerant.
Buffalo Grove High School has been transformed from an "energy hog" to a model of energy efficiency and savings. Students are learning in a comfortable and safe environment, while taxpayers are reaping the savings following the installation of a new building automation system.
When plans called for increased capacity of the chilled-water plant at Martek Bioscience Corp., management was facing several challenges. The Stellar Group's solution enabled Martek to increase the tonnage of its chiller plant capacity by 60 percent using half the space.
The move to make IAQ a No. 1 priority of the building and HVAC trades has opened up a new world of business opportunities as Americans "green up" their buildings and improve the indoor environment for both healthy occupants and those suffering from allergies and asthma.
What caused a fan in a heat pump installed late in the season last year to run constantly, and the unit not to cool the house? Crack the case and submit your answer.
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