Many outdoor condensing units for walk-in coolers and freezers are placed on building rooftops. This frees up valuable indoor space for the business owner and reduces the indoor heat load on the air conditioning system. This is a benefit for the...
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For decades, regulatory changes have been constants in the HVACR industry, with shifts typically followed by a relatively predictable path forward. Today, with the collective potential for federal deregulation, refrigerant and energy standards in...
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Researchers at the Johns Hopkins Applied Physics Laboratory (APL) in Laurel, Maryland, have developed a new, easily manufacturable, solid-state, thermoelectric refrigeration technology with nano-engineered materials that is twice as efficient as...
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Today, it is common to find new air-cooled refrigeration condensing units using microchannel condensers. These condensers are an all-aluminum coil designed with multiple small channels within flat tubes. The tubes are connected between two...
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IKEA recently announced that it is partnering with Svea Solar to offer air-to-water heat pumps to customers in Germany. With these new heat pumps, IKEA contends that customers can actively contribute to climate protection while significantly...
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The New York State Department of Environmental Conservation (DEC) and North American Sustainable Refrigeration Council (NASRC) recently announced completed projects at two Key Food stores in the Bronx, New York. The projects...
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As the HVAC industry transitions toward lower-GWP refrigerants, many contractors and technicians are encountering a frustrating reality on job sites: R-454B, the new go-to A2L replacement for R-410A in many systems, is in short supply —...
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When measuring the temperatures and pressures of an operating refrigeration system, it is important to allow it to achieve a steady state operating condition. This allows for the measured pressures and temperatures to more accurately represent...
Read more✕ Change can be daunting, frightening, intimidating — even scary. But, somehow, we live to tell the tale. Moving away from A1 refrigerants, while getting our arms around A2Ls, has a lot of contractors uncertain about how they can...
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Changes to regulations impacting HVACR equipment and applications can be expected with any transition from one presidential administration to the next. This is especially true when transitioning between political parties with different...
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The College of Engineering, Architecture and Technology (CEAT) at Oklahoma State University’s Center for Integrated Building Systems (CIBS) brings HVAC industry professionals together with students and faculty. CIBS meetings...
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