Standard Refrigerators installs Ultra Violet Lights (UV) to purify the air of customer sites. We are upgrading air filters to higher ratings that improve air quality control. Standard Refrigerators is using special an eco-friendly solution to the AC coils of HVAC systems. Refrigeration and walk-in boxes designed, installed and operational on schedule. Operating on a closed loop chilled water/condenser water system. The approach was taken based on three previous projects Standard Refrigerators completed for the New York Blood Center.