Good: I purchased Penguin Windows for the energy savings and the resale value, and the funny thing is...the comfort is the part I never thought I cared about, but it is amazing what a difference they made.. Bad: I realized how horrible my old windows were, wish I would have taken care of them sooner.. Improvements: I wish they could've made them faster to get them in my home.. Other: These guys go above and beyond taking care of their customers...I had a few concerns going into it about having someone in my home, but the two salesmen that came to the door were ready with business cards and ID badges, not to mention they were very courteous of our time. My wife is skeptical of letting people into our home, and if they can gain her trust, I would personally recommend them to anyone looking into windows..
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