When does the air conditioner need to be added
Air conditioning is an indispensable cooling artifact in summer. But sometimes I feel that its cooling effect is not so good. Most of them are lack of Freon and need to be added. How long does the central air conditioner need Freon? Follow me to have a look. Intra city service, no arbitrary charges, stamp the following applet, 30 minute door-to-door visit (applet has been added here, please check today's headline client) When do you need to add Freon