Reviews
Reviews
See what our customers are saying. We hope one of these will be you someday!
We’ve had a long experience with people and companies that don’t do well in this business, so it’s great to have people who are reliable, professional and don’t use contractors. Their whole company structure is based on, ‘We care, and if there’s a problem, we want to know about it.”
2-Story Homeowner
Johnson City
“I was very happy with my service. They were very thorough, quiet, and professional!”
Referral from a Friend
Johnson City
I was very pleased with the quality of work, efficiency, and their willingness to adjust to my schedule! I will never use any other window cleaners!!
Commercial Business
Johnson City
I scheduled my window cleaning with Ryan. He was friendly and
professional. Keystone did an excellent job cleaning the windows of my
home. They sparkle inside and out. I would highly recommend them.
Ranch-Style Homeowner
Johnson City
“I was very happy with my service. They were very thorough, quiet, and professional!”
Homeowner
Johnson City
They were VERY professional and courteous in every way
possible! They arrived 15 minutes early and did a magnificent job!
Windows sparkle both inside and out!!!! I plan to be a regular
customer! It is money well spent!!!!
Local Business Owner
Johnson City
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