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  • Pella Windows & Doors of Gaithersburg202 Perry Parkway Suite 6Gaithersburg, MD 20877Showroom Details

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Al Castellon

Al Castellon

"Al Castellon did a super job fixing a window with a slight defect. He was friendly and knowledgeable. He answered all my questions and gave me some great installation and maintenance advice. It makes me trust the Pella brand, knowing that they'll send out a window expert to stand behind their product." Brandon B.


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*Study of homeowner perceptions of leading national brands. Study commissioned by Pella, 2021.