Hey Bin,
If you havent done this before, then follow this, shutdown the Valve first then open the faucet from both sides upwards and downwards. If you still need more information you can possibly get ... read more
There are a lot of questions that would need to be answered. Here are just a few:
1. What is the size of the window you are looking for.
2. What type of material- vinyl, wood, fiberglass?
3. what sty ... read more