Chow Neng Choong Keywords Heating & Refrigeration and Air Conditioning system HVAC ESCO Energy Audit Green Mark Professional Energy Auditor Singapore Certified Energy Manager (SCEM) Energy Management and Economics Energy Audit and Measurement Efficient ACMV Indoor Relative Humidity Read more about Chow Neng Choong Choong Chow Neng has a wealth of experience in the Heating & Refrigeration and Air Conditioning (HVAC) system industry since 1997. Mr. Choong Chow Neng joined the ESCO industry in 2003 as mid-management manager, but he was always deeply involved in performing Detailed Energy Audit for buildings (commercial/industrial) and takes it upon himself to identify potential areas in energy savings personally with his team. So sought after was he that his projects spanned numerous countries in Asia.