Is window air leakage property management?

In the case of non-human, the warranty period of window hardware fittings is usually about one year.

Cracks in windows belong to construction problems and are the responsibility of developers.

But there are property companies, you can ask the property companies to cooperate with the requirements of developers.

It won't cost too much if you handle it yourself.

If it is a plastic steel window, it will be deformed after a few years. You can change it into aluminum alloy if you have money.