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They did a great job! They were polite and arrived promptly at 8 am. After they left, I thought the lights were on because it was so bright inside after Luis and crew cleaned all the skylights! 

-Kelly F., Washington, DC 

Yon and Nangex were great – very thorough, methodical, careful and efficient. PLUS: Jon helped me capture and release a poor little baby bird that my cat had brought inside to play with. They did a great job. 

- Joyce M, Washington, DC 

I wouldn’t dream of allowing anyone other than Nelson and his team to touch our windows. Not only is he exceptionally careful and polite, but I’ve really appreciated his help and advice with respect to the proper care of our window screens. I’ve recommended him to several neighbors! 

- Peggy S., Silver Spring, MD  

Oh my gosh! Your team is TERRIFIC and I cannot recommend you enough to anyone who asks. They were not only prompt but early. In and done carefully and thoroughly as I always expected them to be. This year they also had to do our windows in the apartment downstairs…crawling under our raised deck to do so…with a nice smile on their faces. How pleasant it is to work with you guys. ALWAYS and through the years. Pricing – EXACTLY as expected and always found reasonable. Excellent all around.  

- Ben B., Chevy Chase, MD

They were spectacular, and I have already recommended Dr. Glass to family members. I did not realize they had replaced the screens already, because they were so clean! This was due to the team leader – I believe his name is Nelson. He was outstanding and not satisfied until everything was perfect. 

-Elisha K., Washington, DC

The team that cleaned the windows and siding did a great job. In fact, our neighbor was so impressed that she asked for a coupon. We will definitely be calling you all back next spring! 

-Bob C., Rockville, MD

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