Moisture in POE Oil: The Limits of HVAC Evacuation Techniques
Modern HVAC and refrigeration systems depend on precision, cleanliness, and moisture control to achieve long-lasting performance. Among the many components that demand careful attention, polyolester (POE) oil is one of the most sensitive. Unlike traditional mineral oils, POE oil readily absorbs moisture from the surrounding environment, making it highly hygroscopic. While proper evacuation is...