hvac system installation - An Overview
CHWR stands for Chilled Water Return. CHWR is often found in the chilled h2o system structure and schematic drawings. It is usually common to hold the CHWR word bodily painted within the chilled drinking water pipe to indicate the chilled h2o stream course from the air managing device to your chiller.HRV means Heat Recuperate Ventilator. HRV is a h