Do you know that? Any air conditioner equipment needs to be service twice a year, one for cooling and one for heating. System required regular Preventive Maintenance for reliable and energy efficient Operation. During service we check all Mechanical, Electronics and Electrical components in air conditioner. We clean Air filter, heat exchanger coils, Drain Blockage, Also We Inspect Gas Leak, Body Rust,Vibration, Noise etc. If you neglect preventive maintenance than, result could be more cost on Utility services and failure. All Cold rooms and Kitchen Cooling equipments runs 24 x 7 in worst environment, where less air circulation due to lake of space, also oily fumes around during cooking, so must required Preventive maintenance for reliable and efficient operation.