"Dennis McHugh and Clear Window is the best!!  I called them because I took over a real estate home inspection for a buyer who could not be in town.  The home is a charming Victorian cottage with many non-standard windows.  The bids to fix the windows nearly caused the sale to fall apart.  Then I was told about Dennis McHugh.  So I called them and told them we had a real estate crisis on our hands, and I needed help fast.  Dennis arrived at the property within three hours, and he was professional in his approach, thorough in his assessment, diligent in his explanation and helped me work through the options.  

We finally decided to replace the double glass window units, and since the new home owner was out of town, I met Dennis' team at the house and they made the replacement.  When the home owner returned, she complained to me about the workmanship.  I was really surprised at this, and I immediately called Dennis who made room in his schedule to meet with the home owner on that very same day.  It turned out that the windows she was upset about were NOT windows that Dennis and his team had bid on, or worked on, or touched in the time they were at the house to do the repair. Dennis..."  ~G.N. St. Louis, MO

New Windows Installed 4-11-18
Dear Dennis and Steve, I want to thank you for the excellent service I have received from the sale to the installation. The window quality is exceptional and the installers, led by Jim and his team were very organized and professional, I felt very comfortable with them in my home, and I appreciate the help with taking down some of the window treatments since I was under the weather. They were very attentive to the details. Thank You, Janice U.


"The seal had broken, so it was collecting condensation between two window frames.  They came and replaced the outside window frame.  

They were responsive and kept me up to date with what they were doing.  They called when they said they would call.  They showed up when they said they would show up.  They were professional.  They got it done and left."

~H.S., St. Louis, MO 


Hello Dennis:

Just wanted you to know that my Ameren Budget Billing was down 12.1% this year(July-July). I have no electric bill in August and my monthly budget bill will go down to 150/ month from 173. I'm heating and cooling 4,000 square feet with 3 floors of Southern windows from one end to the other.

C.D. Eureka, MO


"We used Clear Window Technology to replace some windows that had gotten fogged up and one of them was cracked.  He replaced 4 windows.

I found them through Angie's List.  They were very congenial and I would rate them highly.  My wife thinks he is wonderful too.  He did not make her take her curtain down.  She thought she was going to have to, but they worked around it."  ~C.P. Ballwin, MO


We are so pleased with our Clear Window experience and installation. The product is excellent in quality and good for the environment. The owner Dennis McHugh worked with us about designing the window space, selecting the style of the windows and listened to how we planned on using the sun room. The installers were friendly and polite, accommodating any request we made. The room is elegant and casual and have received many compliments on it. Thank you for a job well done!

B.E Chesterfield MO


Dear Steve and Dennis,

Great Job, Thank goodness for the weather break so you could install the windows. I'm home from vacation and have signed the final contract bill and turned in to our finance person. I was by there yesterday, Love the windows, what an improvement and it will help our utilities bills.

V.H. Kirkwood United Methodist Church


"I had 4 windows that were foggy inside the panels.  They replaced the glasses of all 4 windows.

Dennis came and gave me an estimate.  He explained to me that these foggy windows could not be repaired because dust has been settling inside the panels for too long.  Even if they can get the moisture out, the dirt and dust would not come out.  He offered a solution to replace the glasses of the windows and it would still be cheaper than replacing the entire window.  He was reasonable and pleasant.  From the estimate to final installation of the new glasses, it only took 6 days.  They were prompt and efficient, and the job was done professionally.  I would hire them again for my next house if it has foggy windows.  I definitely would refer them to my network of friends and professionals."  ~C.O., Chesterfield, MO


Dennis, you have two fantastic men working for you. The installation is superb, and we thoroughly enjoyed Justin and Ethan at our home. In a few months I'd like to have you replace our patio door and a few more windows.


Myron Ury

Territory Sales Manager at Hufcor, Inc

In my many years of the glass and window industry you are the exception to the rule. You have achieved the best balance of running a great business and doing the best for your customers, with true quality and service and knowledge of your products.


"I had one large window with a crack and one smaller window that had fog from a broken seal.  I decided to replace the glass on both windows.  Both were double pane glass and one window had a grid design inside, which was also replaced.

Dennis, the owner, came over to my home and we discussed options and pricing.  

The price was fair and I was happy to do business with a locally owned shop.  When the glass was ready, Chris, the installer gave me a call and we set up a time.  He and his assistant did a fabulous and fast job changing the glass.  Being winter I especially appreciated the speed.  My new glass is perfect and looks wonderful.  While Dennis was here giving me the glass estimate, I asked him about replacing window sills too.  I will definitely be calling Clear Window Technology back to have that work done.  This is an honest company that you can trust to do the job and you get the satisfaction of supporting a local business."

~S.L. Ballwin, MO