End users are looking for more from their systems than just reliable cooling; they also want sustainable equipment that features better energy efficiency and low-GWP solutions. Several compressor manufacturers have happily obliged.
AHRI bestowed the honor in appreciation of Sen. Tom Carper's work in successfully shepherding the American Innovation and Manufacturing Act and the Kigali Amendment through the U.S. Senate.
The latest refrigerant transition is well underway, with the 10% cut in the production of HFC refrigerants that went into effect last year. But there are growing concerns about some of the chemicals used in certain synthetic refrigerants, such as PFAS.
Copper was the mainstay in HVAC and refrigeration coils until 2011, when copper prices went through the roof. As manufacturers began testing alternatives, the industry settled on aluminum as a workable, less costly option.
At the AHR Expo, a panel of HVACR industry experts discussed the refrigerant transition and supply chain issues, as well as the labor shortage and the new efficiency standard.
Congressman James Comer sent a letter to EPA, asking the Agency why it has not responded to petitions from Worthington Industries and others, regarding its proposed ban on non-refillable refrigerant cylinders.
Technicians should learn how to troubleshoot defrost timers, as they can be the culprit if a freezer that uses an electric heater as its supplemental heat source has a frozen evaporator coil.