I would give zero stars if I could.
I received a sales estimate with absolutely no breakdown from the sales rep. Who just quotes a job with no break down of costs? I called the office to find out what exactly I was being charged for, since my quote was much higher than anticipated. The woman who answered the phone was less than helpful and very rude. She told me she could not give me any idea as to if I received the current promotions in my price estimate, but to go ahead and send the signed estimate with a deposit and she will let me know. What?? Was I born yesterday? I told her absolutely not and that I would like the sales rep to call me and explain what he was including in my price as this did not seem to include the "two free vents" promotion they offered.
Three hours later the same rude woman called back and told me the promotion was included in my sales quote. So I then asked how much per window were they actually charging me, since they advertise $95 installed. She then got really condescending and said "we have never sold windows that low, you are talking about a competitor." Funny because I was looking at that promo on their website as she was telling me this! I then asked her why she felt the need to be so rude on the phone and she quickly changed up her demeanor. I thanked her for her time and told her I am sure their competitor thanks her too because I am taking my business there.
Do not use Glass Block HQ! Go to a business that values you spending your hard earned money on their products. There are yahoo reviews that reference this same rude woman from 2013. She should be fired because she is costing them a lot of business!!
Edit: found out from their competitor that the rude woman is the owner/sales rep's wife. Go figure.