The central air conditioning several times a year to clean? Air conditioning industry for many years the practice has proved that the air conditioner cleaning 2-3 times a year the best. Cleaned once cleaned once conditioned power in the middle period, once the air conditioner off before cleaning is usually conditioned on, this is reasonable. Sometimes the air conditioning off, after a maintenance, maintenance, cleaning and other processes in the big clean, air conditioners put a hood, to be open next year is relatively clean, also clean the filter central air-conditioning oil change, then the time to clean up the air conditioning before the start exemption is washed twice a year with good results, save labor and costs, reduce operating costs, does not affect the cooling effect. Central air conditioning maintenance - Maintenance depth depth than a simple cleaning and maintenance of central air conditioning Tangshan oil change, but how oil change by a thorough cleaning and maintenance of central air conditioning professional and technical personnel on the air conditioning from the inside to the outside of the core parts and components, can detect air conditioning Hide Beijing central air-conditioning oil change issues, effectively extending its life, more health, energy. Depth maintenance General 2--3 years once. No professional who blindly depth maintenance, may cause various problems. Comfort 100 Network Expert Tips you find the best brands depth maintenance professional after-sales and technical personnel, and more secure.