Who should I repair the air leakage in the window?

Find a property company or a door and window manufacturer to repair the air leakage of this facility.

1. Property management company: The air leakage of windows in the public sector is the maintenance scope of the property management company. If the quality problems of the house itself lead to air leakage in the windows, there is usually a warranty period. During the warranty period, developers, builders, or they entrust property management companies to be responsible. After the warranty period, only the residents repaired it themselves.

2. Door and window manufacturer: If the air leakage is caused by the quality problem of the window itself, you can contact the manufacturer for repair or replacement.