The problem you are face possibly air conditioner are jammed filters ,air conditioner will be vibrating, air conditioner makes a sound ,it may be not blowing cool air, air conditioner thermostat problem and low gas in air conditioner For these problems you will be maintained the air conditioner regularly best performance and efficiency. If you maintained the air conditioner properly it will provide good efficiency. It is running regularly and dusty area filters should be service which to be cleaned. For the above mentioned problems with in the air conditioner Low cooling, Low air blowing Low refrigerant ,Control panel not working properly We provide 24 hours doorstep service for your air conditioner. We are excellent services provided you . We are also provided long term services for a reasonable prices .so for any other information about your air conditioner you can contact our service center