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Home » air conditioning systems

Articles Tagged with ''air conditioning systems''

Sanhua Intl.: Refrigeration Components

February 27, 2017

The Green Tech Line of refrigeration and air conditioning components is designed for use with natural refrigerants R-290 (propane), R-600a (isobutane), and R-744 (CO2). These high-quality, hydrocarbon (HC) and CO2-ready system components include valves, controllers, transducers, filter driers, and microchannel heat exchangers.


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TME

University of Alabama Reduces Energy Usage

Saves $60,000 a year
February 20, 2017

University of Alabama at Birmingham obtained an annual energy savings of $60,000 after Bernhard TME Engineering (TME) optimized the university’s district chilled water system. The chilled water is distributed to 48 buildings on campus to supply the air conditioning systems in the hot and humid southeastern U.S.

 


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EU Collaboration Claims New Photonic Technique Will Slash Legionella Detection Time

Does not require combination with protein
Andrew Gaved
February 20, 2017

The European collaborative Poseidon project says it has developed a scanner that can detect Legionella bacteria in under one hour rather than the 10 days of cultivation and analysis normally required.


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Bristol Compressors Announces Addition to its Senior Management

Luka Lojk, vice president of sales and marketing
February 17, 2017

Bristol Compressors Intl., LLC, a producer of compressors for use in air conditioning, heat pump, and refrigeration systems, announces the addition of Luka Lojk to its senior management team as vice president of sales and marketing.


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Goettl Air Conditioning Celebrates 78th Anniversary

Arizona turns 105
February 14, 2017

When Goettl was founded in 1939, Packard became the first automobile manufacturer to offer an air conditioning unit in its cars, the cost of a gallon of gas was 10 cents, the average cost of a new house was $3,800 and eggs were 18 cents per dozen.


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LG

LG Announces New Product Line

Nicole Krawcke
January 31, 2017

LG Electronics hosted a press conference during the 2017 AHR Expo to reveal its expanded 2017 lineup of commercial and residential HVAC solutions with a new customizable control system, next-generation variable refrigerant flow (VRF) technology, new heating capabilities, and design tools.


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Helicopter Transports NOVA Air Conditioners for ebm-papst in Hagenmoos

The decision to use air conditioner manufacturer NOVA was easy to make
January 23, 2017

Some situations require new ways of thinking — and setting up the air conditioners on the roof of the ebm-papst location in Hagenmoos/St. Georgen was one of them. The factory hall is simply too large for conventional setup with a crane. They would have had to build an access road especially for the crane. Instead, they decided to transport the five air conditioners to the roof via helicopter. 


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LG Offers Expanded Air Conditioning Customer Support Options

Ensuring effective education and troubleshooting services
January 18, 2017

In an effort to provide customers with high-quality training and support to efficiently and effectively manage their HVAC systems, LG Electronics USA has opened a new, 4,100-square-foot HVAC training academy in Orange County, California, with interactive courses on the latest LG technologies.


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thermostatic expansion valve

The Symptoms of a Restricted TXV

How to identify when a liquid-line restriction is starving a system of refrigerant
John Tomczyk
January 9, 2017
A system with a restricted metering device will display the same symptoms as a system with a liquid-line restriction. This is because the TXV is actually part of the liquid line.
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Troubleshooting Figure 1

Troubleshooting Challenge: A ‘No Cooling’ Complaint

Jim Johnson
January 9, 2017

In this troubleshooting problem, it’s the middle of July, and you are the follow-up technician on a callback. The original complaint was a “no cooling at all” call, and the technician who preceded you on this job (we’ll call him Technician #1) has only limited experience, but he reported correctly that he found a failed transformer and replaced it. 


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