Heat Pump Charging Methods - 搜索视频

Refrigerant Charging Basics For Air Conditioning & Heat Pump Systems - HVAC School

Refrigerant Charging Basics For Air Conditioning & Heat Pump Systems - HVAC School

Before I start on this one… At HVAC School, we focus on a wide range of topics. Many of them are very basic. My experience as a trainer for over 16 years has taught me that no matter what I assume others SHOULD know, it doesn't change the fact that they often do not. This […]

hvacrschool.com2017年3月11日

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