The AquaGuard AG-9300-U universal mini-split drain sensor is specifically developed to be compatible with all major manufacturers’ mini-split systems currently on the market. The compact control box and probe of the mini-split drain sensor are designed to fit completely inside the indoor mini-split unit.
Every year The NEWS introduces the latest air conditioning units available for the upcoming summer season. This photo feature provides our 2012 Residential Cooling Showcase.
After facing a slow winter where much of the nation saw above-average temperatures and mild weather, contractors are gearing up for a busy summer season. To help them prepare, The NEWS introduces the latest cooling equipment available for the upcoming summer season.
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.
The amount of condenser subcooling needed is system dependent. The more pressure drops — friction and static — associated with the lines and accessories that carry the liquid in the system, the more need there will be for liquid subcooling to prevent liquid line flash gas.
Homeowners are being very careful about making investments in home energy savings. According to a recent survey, they are demanding significant energy cost savings to justify any investments of time and money required to install highly efficient HVAC systems, and they have grown more skeptical about promises of a quick payback.
Purdue University will host three concurrent conferences with HVACR emphasis July 16-19. The concurrent conferences are the 21st International Compressor Engineering Conference, the 14th International Refrigeration and Air-Conditioning Conference, and the 2nd International High Performance Buildings Conference.
Because the tax credit on high-efficiency equipment expired, many believe that homeowners will now revert to standard efficiency. Before we throw the high-efficiency equipment out with the bath water, let’s take a close look at how the tax credits affected sales and how they can be replaced in 2012.
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.
Condenser subcooling ensures that there is a liquid seal at the condenser’s bottom so the liquid line or receiver will not be fed with vapors. This condition prevents any noncondensables, like refrigerant vapor or air, from leaving the condenser’s bottom and entering the receiver or liquid line.
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