It is the time of year when, in many parts of the country, cooling system problems involving coils tend to become more pronounced. Foul odors are especially problematic, but still more insidious are coil failures caused by formicary corrosion. The NEWS interviewed members of the Copper Development Association (CDA) for their takes on how these problems are being addressed.
As ductless technology becomes more popular in the North American market, equipment manufacturers continue to introduce new units for both the residential and commercial markets. Read this roundup for a review of some of the latest ductless equipment on the market.
At a time when unitary shipments have fallen, ductless systems have been experiencing impressive growth in the U.S. market in recent years, according to manufacturers interviewed by The NEWS. Ductless manufacturers say there are many reasons for this growth, but one of the main reasons is simply heightened awareness of the technology.
Every year The NEWS introduces the latest air conditioning units available for the upcoming summer season. The intent is to help contractors prepare for this busy period by doing the research that will help them to distinguish between brands. This feature provides our 2011 Residential Cooling Showcase.
While CO2 is being successfully used in subcritical applications in the United States, it is more of a challenge in transcritical situations because of demanding compressor technology and high pressures. The UK office of Sanyo Air Conditioners recently issued two case histories showing the refrigerant being used for heat pumps in commercial applications.
A bill in the Senate aims to update the efficiency standards of appliances and building systems, including furnaces, heat pumps, and central air conditioners. Titled the “Implementation of National Consensus Appliance Agreements Act of 2011,” it divides the nation into three regions with different efficiency standards for each. It also recommends more stringent building codes for new construction.
Martinson-Nicholls new residential Heated Snow Melting Stair Mats are designed to be quickly and easily connected to prevent snow and ice accumulation on stairs around the home. The Heated Stair Mats can be interconnected with the company’s residential Heated Walkway Mats to create a continuous system of snow melting mats.
Air conditioning coil cleaning is an important air conditioning maintenance procedure that sometimes takes some patience, and usually takes a lot of water. First, you have to make some common sense evaluations.
There’s a kid with a fresh face on the block in Washington, D.C. - Geothermal Exchange Organization (GEO). This nonprofit trade association is spending time in the halls of government seeking recognition for the renewable energy, efficiency, and environmental benefits its members have to offer.
Source: Air-Conditioning, Heating, and Refrigeration Institute (AHRI). Industry figures are estimates that are derived from the best available figures supplied by a sample of AHRI member companies.
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