Due to humidity and hospitable environment microorganisms grows rapidly on cooling coils. These microorganisms produce sticky substances due to which a thick layer of dust sticks to the coil which results into poor heat transfer between coil and air. Poor heat transfer between coil and air leads to greater energy consumption.
Installing a proper UVGI system in front of the coil kills such microorganisms, and hence it does not allow a biofilm to grow. A clean coil decreases the pressure drop across coil which results into the following:
Airborne transmission of diseases through HVAC systems is actually much more prevalent than previously thought. Hospital acquired infections are costing healthcare providers Lakhs of Rupees per annum and whilst robust cleaning regimes have been adopted, the spread of Tuberculosis, Meningitis, MRSA, Clostridium difficile, Chickenpox, and Influenza (H1N1 and avian), including Aspergillus and Pseudomonas continue to grow. These infections affect between 10 and 20% of patients and in some cases are fatal.
Airborne contamination comes from a variety of sources and circulates through the HVAC system.
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