About Us

Clear Window Technology, Inc.


Dennis McHugh, Window and Door Expert is one of the owners of Clear Window Technology and has been in the window and door replacement and window repair industry in St. Louis for 20 years.  

The Clear Window Tech staff are extremely knowledgeable in all types of replacement windows and window repair options.

Clear Window Technology http://www.clearwindowtech.com is a St. Louis window repair and window replacement company that specializes in home and business window and door projects since 1983.  We are a Certified Andersen dealer and Family-Owned and Operated business.  

Get the Fog Out!  Not only is it better for the environment, it’s cheaper on your wallet!

Clear Window Technology, Inc. and Air Shield, Inc. are committed to continually improving our management of energy resources, which reduces both operating costs and related forms of pollution.

We are proud to be part of the family of businesses who have joined with ENERGY STAR.  Foggy glass can be renewed for a clear view which saves unnecessary landfill waste.

Call 314.966.2666 for a free in-home/business estimate. 

For free window repair tips and solutions, check out our YouTube Channel at windowrepairstl.  Subscribe for up-to-date notifications on the latest in window repair and replacement technology.

24 hour appointment scheduler 314.966.2666.  

Hours for in-home estimates are Monday through Thursday 9:00am to 5:00pm

Friday 9:00am to 3:00pm

Saturday 9:00am to 1:00pm

Cash, Checks and Credit cards accepted are Discover, MasterCard, Visa, and American Express.

Discover MasterCard Visa American Express Merchant Account Credit Card Processing


Hours of Operation:
Mon 9:00AM-5:00PM  
Tue 9:00AM-5:00PM  
Wed 9:00AM-5:00PM  
Thu 9:00AM-5:00PM  
Fri 9:00AM-3:00PM  
Sat 9:00AM-1:00PM  
Sun (Close)
  Payment Accepted:
Cash, Check, American Express, Visa, Discover, Invoice, Master Card