Articles Tagged with ''air conditioning''

Going Against the $29 Tune-Up

April 2, 2012
Many contractors (and big-box stores) try to grab customers’ attention by advertising the ubiquitous $29 tune-up. So is the $29 tune-up an effective marketing tool that can be used to beef up the customer base? Or is it a pernicious practice that lowers the bar for the HVAC industry? It all depends on your outlook.


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The Professor: The Needed Amount of Condenser Subcooling

April 2, 2012
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.


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Atlas Sales & Rentals Inc.: Portable Air Conditioner

April 2, 2012
At 34 inches wide, the PACSlim-12 air-cooled portable air conditioner can roll through a standard doorway. The unit provides 12 tons (144,000 Btuh) of cooling. High-efficiency radial blowers with built-in variable-speed motors provide uniform airflow across the evaporator coil of the portable cooler.


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Two New Refrigeration Terms That You’ll Want to Know

March 26, 2012
Move over compression ratio, ring valve, and reciprocating compressors. There are two new terms to add to your refrigeration terminology: ‘bi-volt’ and ‘spool.’ The words relate to some of the newest developments in compressor applications.


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Letters From Our Readers: March 26, 2012

March 26, 2012
The first comment is in response to Peter Powell’s editorial “Is A/C to Blame for D.C.’s Mess?” in the Feb. 6 issue. The second concerns what contractors are doing about the rising cost of gas.


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March 6, 2012: Honolulu Seawater Air Conditioning Granted Easement for New Chilled Water Project

March 6, 2012
Honolulu Seawater Air Conditioning LLC (HSWAC) announced that the Hawaii Community Development Authority (HCDA) approved to enter into a Grant of Non-Exclusive Easement and Construction Right of Entry in Kakaako makai lands for the underground piping of the company’s seawater air conditioning project for Honolulu.


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The Professor: Why Is Condenser Subcooling Needed?

March 5, 2012
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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CEE Revises Efficiency Initiative

February 27, 2012
The Consortium for Energy Efficiency (CEE) released its revised “High Efficiency Commercial Air Conditioning and Heat Pump Initiative.” The initiative includes a high-efficiency energy performance specification for commercial air conditioning and heat pump equipment.


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Rewards Contest Winner

February 27, 2012
Custom Design Heating and Cooling owner Josh Hipke recently awarded 21-year-old college student Matthew Bowen a Coleman 14.5 SEER LX Series MicroChannel air conditioner as a reward for winning the dealer’s Survival of the Coolest contest at the Lincoln County Fair in Merrill, Wis.


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Feb. 21, 2012: New Company, AmeriCool Inc., Names Paulson President

February 21, 2012
Industry veteran Mike Paulson has been brought on as president of the newly-founded and California-based air conditioning company, AmeriCool Inc. Paulson brings with him 10 years of experience at MovinCool, where he served as division manager of both North and South America.


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