Windows Installation in Denver

“If you're looking for window installation, then I highly recommend that you don't look past 303 Windows. We moved into a house with 30 year old windows, and knew they needed to be redone. We contacted three other companies, each of which spent at least two hours walking through the house, measuring everything, and inspecting every detail, only to sit us down afterward and present outrageously high quotes, with added pressure to buy right away, and offering discounts if we did x, y, or z.

After reading great reviews about 303 Windows, I decided to contact them. Honestly, the reviews undersold how great they are. Jay came out and completed the entire walkthrough in about 20 minutes. He immediately pointed out all the issues the other companies had mentioned, and then some. You can tell he truly knows windows. His quote was less than half of the national brand we had talked to, and much less than the other two companies. He even mentioned our problem windows, that no other company had bothered to note, because they were high living room windows, that couldn't be accessed without a ladder. He also mentioned that we could save some money by not having grids on the windows. None of the companies we spoke with even mentioned that. He didn't try to push us into signing that day or up sell, or anything that made us feel like we had to buy right away. Jay was very patient with all of our questions and made us feel heard. He said no job was too small for them, and we could do a few windows at a time. Given how great his quote was, we decided to get everything done at once.

Jay's sons and crew handled the window installations, and they were fantastic. They finished almost 30 windows in two days. They also fixed some of our broken window sills, window trims that had rotted over time, and repainted everything. They were very considerate, and cleaned up after themselves. Jake and Max were especially great. They were friendly, professional, and clear about the few minor issues that came up, while patiently answering all of our questions. I've recommended 303 Windows to our realtor, neighbors, and will 100% be using them in the future if we ever have any window issues.

Even if you need to fix only a window or two, contact Jay. You will not be disappointed. Thank you guys for making our house a little more beautiful!“

“They were fantastic and honest from start to finish. I appreciate all the help they provided and the professional nature. The window wells turned out great!“

“I called yesterday morning at 9 am and my shattered window is already fixed!! Someone came out an hour and a half after I called to take measurements and it was fixed less than 24 hours later. Everyone I spoke and met with was so incredibly nice and they did a fantastic job. I’ll use them for all of our window and glass needs!“

“Estimate and contract process were handled professionally. Paint team was quick, efficient, and thorough. Thanks for making my house paint look great!“

“I couldn’t be happier with service provided by this roofing company. From start to finish, Mike Tinker showed incredible persistence and professionalism. He made sure every detail was handled with care, kept me informed throughout the process. I highly recommend this company!“

“Exteriors Now did a fabulous job repairing and replacing my gutters. Their teams work tirelessly, on hot days, in thunderstorms, and we polite efficient and cleaned up each day. I would hire them again (very reasonably priced) in a second.“

“We just replaced the majority of the windows in our house, a sliding glass door and all of the associated trim. We were given a more than fair price and installation went great. Very skilled professionals that did a wonderful job and we love our new windows!“

“This is my 2nd time using Reflection windows and doors. Both times the service has been incredible. I highly recommend.
My 1st experience was repairing a sliding glass door. I have 4 panels that slide that open up the back of my house. They repaired my door in a matter of minutes. The 2nd service was replacing a window where the seal went bad. Josh was great about calling 1st and replaced my window in about an hour. The install went great and he did a great job making sure everything was clean when he was done.“

“Lifetime Bath & Shower recently completed a tub to walk-in shower conversion for use by my elderly mother. The people and process were great from start to finish. Stefan, Chris, Hallie, Bobby & Will made up the team. The installers were so kind to my mother and worked with her to make sure placement of the grab bars suited her needs! Mom is delighted with her new walk-in shower!“

“Fantastic experience from beginning to end period!
Steve, Scott, Daniel, Hector and Diego were all very professional - polite - experienced and above else, very helpful with allowing me to get more than what I had signed up for.“

“I highly recommend this company. Great prices. High quality doors. Experienced and professional work crew. This company was easy to work with and delivered on-time and as promised. The workers are employed by this company so they know their crews and are accountable for the workmanship. They showed up when they said they would and did great work. The doors are really nice and solid. They did an excellent job all around.“

“I will never order windows or doors any other way. Zen has figured out how to make a painful, time consuming and annoying process easy and painless.
I had estimates from five of the most well known window replacement companies in Colorado. All local companies who are running their business like it is still the 1980s.

They claim the estimate will not take two hours, but it is close. They all did the same thing. Set up a time to visit for an estimate. Come and take initial measurements, spend forever filling out their form, discuss the process (which would require another visit for measurements), sell me on the window brand and how good they are, etc.
Each of the visits were nice guys but the prices were all over the place. Thousands of dollars difference for the same job.

I found Zen online, provided my measurements and they had an estimate to me almost the same day, for a much more reasonable price. When I confirmed I wanted to move forward, they scheduled a person to make precise measurements within one or two days and placed my order immediately.

The other main issues was the timing. No one could even come close to getting me my windows and door as fast as Zen. Zen estimated 4-5 weeks. Everyone else was 8-12 weeks!!
Well, sure enough, not only did the windows and door show up in that time frame, they were also installed.

The communication was great. Luke and Misty kept me informed the entire time, from order, to shipment, to installation. The installation team showed up, got to work, showed me how to operate the new windows and door and cleaned up when they were done.

Something else to keep in mind. All the other companies wanted a down payment. Zen took $0 until the job was complete. I felt we had nothing to lose.
Zen also sends a payment link. Everything is done online, safe and secure. Other companies could only do a paper contract and one only accepted a check. If I wanted to pay by credit card, there was a fee and they had to write down my credit card information to take back and run at the office. No thank you.

The quality of my windows and door are amazing.

So glad we chose Zen and I will definitely use them again.“

“The experience was great. They came and complained the task. The communication was A+ They made it easy for me understand the Process. The work was speedy And on point ,And they.
Finished when they said they were going to.The rooftop looks great Especially how the custom covered my sunroom with big shingles. Now it won't leak when it rains. I definitely would recommend them for other jobs.
And referred thim to others. Thank you so much. Pioneer home solutions.“

“We were very impressed and extremely satisfied with the deck from the Install Company. The communication was top notch with Mark and Bronn. From start to finish we were kept in the loop and our questions and concerns were addressed promptly. We love how our deck looks and can't say enough good things about our experience.“

“The bid I received was not only very competitive, it was very professional. In particular, I appreciated listing references I could call, which I did.

And the roofing job itself was excellent. Not only did they do a great job in a very short period of time, they went out of their way to do a new roof on an entry arch. I had not planned to re-roof. But I’m glad they did.“

“Big thanks! R&R had a clutch shoe for windows 30+ years old. Better, R&R had pictures on the internet that I found using Google Lens - 1st time! I thought I would be looking for hours trying to find this old shoe. R&R parts was 100% like the 30+ year old shoe. Plus, very good price and free shipping. 5 Stars. Thanks!“

“After a big hail storm, we worked with Jesse to replace our roof. He did a great job of working with us and our insurance provider. Everything was handled professionally, and our new roof looks great!“

“Ralph is amazing! Outstanding customer service, great price! So appreciate the work S&H did!“

“Great service - I called and they were able to come out and fix our shop door same day - and it looks great! Fair price too and very nice gentlemen. Stay glassy guys.“

“I waited a full year to write this review so that it could be as complete as possible.

The sales experience: Excellent. James was great to work with and went above and beyond to meet me at a showroom where I could have a better look at the windows than the small sample. The quote was more than competitive and it was a straightforward interaction without the sales tactics I saw from other companies.

The installation: Very smooth. The crew was experienced, worked well together and efficiently and did an excellent job with no residual issues.

The windows: I love them. I have lived with them (Simonton windows) for a year and they are beautiful, work well, and are easy to clean. My husband has been tracking our energy usage and our natural gas bills were significantly reduced last winter after replacing with these windows.“

“I ended up getting 11 windows installed at my home, he was responsive and professional during the entirety of the project. He did a great job with the small details and they look great. Very reasonably priced and polite.Service: Window installation“

“Quick, easy and courteous. Have used them twice and will continue for all out glass needs!“

“Amazing company! I had a stuck window and Nancy was very helpful over the phone and sent over a technician, Anthony, who helped open the window up. Very professional.“

“Roland and Andrew did an excellent job deliver and staging my new Pella windows in advance if the installation.“