Articles Tagged with ''service''

Department of State Awards $14 Million Contract to Crockett Facilities Services

Crockett Facilities Services Inc. (CFSI), a leading provider of facilities operations and maintenance, mechanical contracting, and HVAC services to government and commercial clients, announced that it has received a five-year, $14 million contract from the U.S. Department of State to provide facilities management, operations, and maintenance services to two commercial buildings located in Washington, D.C.


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Ice Breaker: A Hot Compressor

Replacing a compressor is neither simple for a technician nor inexpensive for the customer. Before replacing a compressor, a technician needs to ensure that it is truly defective. Unfortunately, sometimes good compressors get replaced as a result of a misdiagnosed problem.
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The Professor: Loss of Air Conditioning Cooling

For this column I want to discuss a real life situation regarding poor cooling in a residence and reduced airflow coming from the registers in the house. The air conditioner is a three ton (36,000 btuh), HCFC-22, split type, air conditioner with the A-coil in the plenum of the furnace located in the basement.
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Tips on Controlling Humidity Levels (and Mold)

The good idea of sealing up a building to make it energy efficient had some unwanted side-effects. Lack of circulation or the inability of a building to breathe compounded the high humidity problem. Fortunately, the HVAC trade has remained a leader in providing information, answers, and products to combat the humidity problem.
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Btu Buddy 100: Dual-Voltage, Nine-Lead Motors

Btu Buddy has met Bob for lunch to answer some questions that Bob had about yesterday’s service call. Bob asked, “Why did that motor have two contactors and so many wires going to it? It seemed very confusing. I am glad that I tagged those motor leads when I disconnected the motor. I never would have figured out how to reconnect the leads.”
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Ice Breaker: Read and Record

When a refrigeration system fails, many times the cause can easily be diagnosed. However there are occasions when the cause cannot easily be determined - either the true cause is unclear or the technician is unsure of a problem. How do you work through these jobs? One method used by some techs is to “read and record.”
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Interest in HFC-407F Grows

Honeywell has announced that Bitzer has approved the use of HFC-407F (marketed by Honeywell as Genetron® Performax™ LT refrigerant in North America) as an HCFC-22 retrofit solution for medium-temperature systems, such as supermarket refrigerated cases.
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Tips for High Speed Refrigerant Recovery

The increased use of high pressure refrigerants has created new challenges for technicians, yet it is still possible to perform high speed recovery of high pressure refrigerants. The tips and practices in this article will help keep your refrigerant recovery speeding toward the finish.
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2014 World Energy Engineering Congress

Scenes from the 2014 World Energy Engineering Congress in Washington, D.C.

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NEWSMakers: Howard Weiss
Howard Weiss, executive vice president, HVAC Excellence stopped by The NEWS’ booth at the AHR Expo to discuss HVAC Excellence’s upcoming conference, networking opportunities at large expo’s, and much more. Posted on Feb. 27.
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2015 National Plumbing & HVAC Estimator

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