Daikin Compressor Industries Co., Ltd. Rayong has a policy to reduce global warming by reducing energy used in factories. Administrator's power factory is contact PAC to explore and organize the system water heating in factory. PAC has designed the washing machine system that all components will have to go through this to clean up oil slick and lubricants. From used heaters to make hot water at 60 degrees that match the product and the perfect conditions of the PAC Heat Recovery Water Heater with solution and heating to clean which can control of all heaters. By using PAC Heat Recovery Water Heater editing with air -conditioning  six sets in office zone that recover waste heat from the air - conditioning system to heat  water in factory zone. It can make hot water at 65 -70°C and used solar panels as an option in case of non-open air. These clean components with cleanser when using prolonged or several times it will cause the dirt clog with oil. PAC has designed a special type of Heat Exchanger can be remove to wash detergent residue dirt to clog or cause these problems. Furthermore you can response with the policy of the factory.