I love to place negative stars if possible. Poor after sales service and never hear back from them after several calls on their poor quality products. I have replaced 3 windows with them early this year, the installers pulled the window frames off from the wall during installation and never come back to fix it for me. I ordered the frosted windows for my bathroom and my husband can clearly see my face and colour of shirt, I called them and they sent the installer for testing. The installer was surprised how clearly he would see me from my daughter I easy under the so-called frosted windows. Then after that I have to call them to follow up because no one call me back to follow up and I have called the production manager, Kevin as well. This matter had been dragged in weeks and still not hear a words from them. I really doubt on their "excellent customer service" mentioned on their pamphlet.