2013 AHR Expo Preview

Nu-Calgon: Descaler

Eco-Lyme descaler is a powerful chemistry with an excellent eco-profile, the company says. This descaler is suitable for use on cooling towers, boilers, processing equipment, evaporative coolers, and more.


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Nu-Calgon: Coil Cleaner

TriClean 2x coil cleaner is a specially formulated chemistry paired with convenient packaging. Designed with an integrated sprayer, simply connect to hose, clean, and rinse, says the company.


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Rotronic: Humidity and Temperature Transmitter

Rotronic’s new HygroFlex1 series is the latest development in inexpensive HVAC transmitters for relative humidity and temperature, says the company. It’s equipped with the Hygromer® IN-1 humidity sensor and two freely scalable analog voltage or current outputs.


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Rotronic: CO2 Transmitters

The CO2 transmitters can be used for regulating ventilation in living areas, offices, classrooms, cinemas, and hospitals, and for measuring CO2 pollution in garages, tunnels, and logistics facilities.


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Webster Engineering: Burner Control System

Webster has received a patent on its burner trim system. Trademarked TEMP A TRIM, this control system monitors burner combustion air temperature and adjusts the blower motor speed to maintain the density of the air entering the burner.


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Webster Engineering: Ultra Low NOx Burner

Webster Engineering offers an ultra low NOx burner (9 ppm) on natural gas. It is available with dual fuels without changing burner parts, linkageless controls, TEMP A TRIM burner control or O2 trim, and variable frequency drive.


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2015 AHR Expo

Photos from the 2015 AHR Expo at McCormick Place in Chicago.

Posted: February 19, 2015

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NEWSMakers: Andy Patron
Andy Patron, partner with FMI Corp., discusses the impact a national labor shortage may have on the mechanical contracting industry. Posted on March 27.
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