30/05/2023
When solving for an accurate subcooling reading, actual subcooling can be within 3°F of the target superheat and still be considered good on most units! Closest is best! Learn all about proper refrigerant charging methods on HVAC systems by picking up our Refrigerant Charging and Service Procedures paperback! https://www.acservicetech.com/product-page/refrigerant-charging-and-service-procedures-for-air-conditioning-229-pg