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Johnson Controls Launches Quantech QWC4 Water-Cooled Screw Chiller To Reduce Energy Costs And Carbon Emissions

Johnson Controls, the provider of smart, healthy, and sustainable buildings, announces the Quantech™ QWC4 Water-Cooled Screw Chiller has been added to the brand’s expanded chiller portfolio. The Quantech™ QWC4 chiller uses variable speed drive technology to reduce energy costs and carbon emissions by as much as 30 percent when compared to traditional chillers. Throughout most locations, the variable speed drive saves energy during 99 percent of operating hours spent at off-des...

Making The Right Refrigerant Choice

When choosing a chiller, there’s more to reducing emissions than the choice of refrigerant. Following is what one needs to know about chillers and new, low-GWP (Global Warming Potential) refrigerant alternatives. 3 Things To Know About Safety Some refrigerant alternatives are mildly flammable: All high-pressure refrigerant alternatives have some degree of flammability. To use these alternatives safely, there are significant implications on product configuration, installation cost, and...

Understanding The Impact Of The Texas Freeze On HVAC Systems

This year’s Texas deep freeze struck the region hard, causing an estimated $10 billion in damage. It was one of the costliest winter weather events in the state’s history. The extreme weather conditions severely impacted HVAC systems, too, overtaxing equipment and challenging contractors to keep up with the pace of repairs. What did not happen, despite some homeowner insurance claims filed in the aftermath of the extreme cold snap, was ‘frozen refrigerant.’ Although the...

Panasonic Unveils VIXELL, A Vacuum-Insulated Cooling Box For -70ºC Storage Using Refrigerants, Such As Dry Ice

Panasonic Corporation has developed VIXELL, a vacuum-insulated box that can store items in -70ºC environment for up to 18 days, using refrigerants such as dry ice. The transport of vaccines and other medical supplies requires strict temperature control. Up until now, conventional insulated boxes have been manufactured by joining vacuum-insulated panels (VIPs) together, but a drawback of this structure has been that cool air leaks through the gaps where the panels join. Panasonic has long b...

ASHRAE Announces Registration Open For The 2021 ASHRAE Virtual Winter Conference, To Be Held From February 9 - 11, 2020

Registration is now open for the 2021 ASHRAE Virtual Winter Conference, slated to take place from February 9th to February 11th, 2021. The convenient online format of the conference will allow for global participation with a group of the world’s renowned presenters delivering timely and useful industry content. 2021 ASHRAE Virtual Conference “ASHRAE’s Virtual Winter Conference will include three-days packed with learning and live discussions from top experts,” said 2020...

Kelvion Provides Dual Discharge Cooler Range With Optimized Fan Speed For Providing Reliable Climate Control

Dairies, slaughterhouses, deep freeze warehouses are among the many large production and work areas that need to be kept at a constant low temperature. The latest addition to the Kelvion customized air cooler family does precisely that. CDK/CDL, the new dual discharge cooler range, with optimized fan speed, is the perfect solution for providing reliable climate control for instance in food preparation areas. Stainless steel tubes The CDK/CDL discharges air on both sides of the unit, which is...

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