If TXV hunting is observed when troubleshooting a refrigeration system, its cause should be identified and repaired to allow for better system performance.
New A2L-related code requirements will impact HVAC system installation and include warning labels, ventilation, leak detection, and limits on refrigerant amounts for comfort air conditioning.
At an educational session at the AHR Expo, industry experts discussed the latest status of the AIM Act and also provided insights into which states have updated their building codes to allow the use of A2Ls.
In comments to EPA’s proposed rule regarding HFC management, many HVACR stakeholders expressed concern over issues including tracking cylinders, training technicians, and reclaiming refrigerant.
Grocers and food retailers can adopt technology such as pressure exchangers with their CO2 systems to increase energy efficiency while meeting climate goals.
The transition to A2Ls will likely serve as an interim solution. Europe has already embraced propane in certain heat pump systems, and the U.S. may follow suit, albeit with a different low-GWP refrigerant.
During the AHR Expo, Heatcraft held a press conference to discuss how the company is engineering products and technologies to meet the demands of both regulations and end users.