I have used Redline windows three times on two homes and two different types of issues. While I do agree with a portion of another review in that, not all the customer facing employees are let's say charismatic or have salesmanship, here is why I like and will continue to use Redline windows: First, some companies only replace windows OR glass and when I am not sure what I want to do with a broken window, it's nice that Redline will come out and quote or recommend either. Second, and most importantly, they always give me the most cost effective options based upon my needs and never try and upsell me. Finally, while this was a little bit of a pain, one technician readily admitted he was concerned about replacing one of my windows as it was atypical and he didn't have a lot of experience with it and was concerned he may break the surrounding ones. He called his manager who agreed to have someone else who had more experience come out and perform the job. While it required a follow up appointment; I appreciate that the technician understood potential limitation and risk and proactively addressed it.