New system handles daytime temperature and nighttime humidity with a single system
April 17, 2017
As the movement to legalize marijuana continues to take hold across the country, growers are beginning to seek out equipment that will help them maximize production. Until recently, there were no cooling and drying products specifically designed to optimize growing conditions for this agricultural product. Now, new technology is being engineered that can produce the right temperature and humidity conditions to maximize productivity and minimize mold and insect problems.
Testo Inc. announced its 2017 Refrigeration Spring Campaign. This campaign builds upon the immense success of Testo’s Smart Probe Refrigeration Kit and the 550 and 557 Smart Digital Manifolds, which now come standard with Bluetooth.
New cold chain storage equipment optimizes airport for shipping perishable goods
April 4, 2017
Dallas Fort Worth International (DFW) Airport is installing a cold chain facility intended to provide cargo and logistics customers with enhanced opportunities to ship perishable items. Expected to be operational this summer, the state-of-the-art transfer facility will give DFW the ability to precisely control warehousing temperatures for customers shipping pharmaceuticals, flowers, and fresh foods. The facility will be operated by AirLogistix USA.
In a perfect scenario, the oil in a refrigeration or air conditioning system would stay inside the compressor’s crankcase to lubricate the compressor’s moving parts. However, because of ever-changing heat loads on the system and varying system conditions there is no such thing as a perfect system in the real world.
Formerly the vice president and general manager at Grace Construction Products, Golen made the transition from the construction products industry to refrigeration at Heatcraft in 2010. He drew upon similarities between the two industries, such as relatively seasonal product demand and utilization of distributors in sales to contractors, to quickly learn the ropes.
Single phasing often occurs in an electric motor when one pair of points on its power contactor fails because of the destructive arcing that takes place each time these points open or close. This arc suppressor is designed for AC power applications that operate between 110-480 V and have a maximum allowable current of 235 A (rms).
Employee recognition survey points out the benefits of a positive workplace
March 1, 2017
It’s often said that any company’s greatest asset is its people, and this definitely is true for refrigeration contractors. Sure, the refrigeration industry is heavily focused on products and equipment and technology. And don’t forget chemicals – trying to keep track of all the refrigerant changes is enough to make anyone’s head spin. Yet if equipment is the lifeblood of the HVACR industry, then the people at refrigeration companies are its beating heart. And it clearly is in your best interest -- as the contractor whose name is on the door and on the trucks -- to keep your people as happy as possible.
Heatcraft Worldwide Refrigeration, a provider of commercial and industrial refrigeration components, systems, and service solutions, is increasing the value of its service-training programs by launching its Certified Contractor Program to qualified service contractors and individual technicians.