Nex-Gen Windows & Doors

From start to finish our experience was exceptional! We had 27 windows installed and siding to match existing siding for half of our house. Every crew that came out was professional, on time, non-intrusive, friendly, and caring. Not to mention they were all experts in the job they were performing. This was a huge project for us and we were very concerned about follow through as many contractors start out good but then they end up not finishing usually at least one little thing. We had head people from Nex-Gen coming out to our house on their own just to check to make sure things were done right. The windows themselves are amazing! We used to get emails from the electric company saying that we use 300% more energy than the people surrounding us with the same square footage. Now we get emails that say we use less than the people with the same square footage surrounding us .
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Nex-Gen installed all the windows in my house and I couldn't be happier. The windows are top quality and look fantastic. They came back to stain the framing and did a very beautiful and meticulous job. Everyone I've worked with at this company has been very helpful and friendly. I highly recommend them.

The install team was very knowledgeable and friendly. They completed the install as promised and on time. Would highly recommend their services.

These folks are the best! I hired them last year to put on siding, frame doors and windows. This year I hired another company to repair hail damage. They slapped on a roof and left me waiting 5 months for new windows. I fired the crooks and placed a call to Next Gen. Ted was at my house the very next morning to get my problem solved. I've been so pleased with these guys I asked them to do the rest of the windows we didn't replace last year. The estimate was very reasonable, and I can trust them to get it done right.

Repeat customer! Ted and his crew are very professional. The fiberglass windows are very high quality - no issues and surprisingly the outside noise is barely noticeable. Highly recommend!

Nex-Gen replaced both a 12-foot patio door system and a 6-foot slider patio door at our home. Their estimate was good and they were able to install on schedule, despite the current rising prices and shipping challenges. Ish and his team (Mike and Dan) did an exemplary job, installing both doors in a single day. The doors are beautiful and match the existing doors and windows in our home. Ish and his team are friendly, professional and we’re a pleasure to have with us for the day. When we accidentally nicked the caulk trim, Nex-Gen sent out an expert caulk tech (also named Mike) who repaired the nicks seamlessly. Mike was also a pleasure to work with. From Ted, who gave us our initial estimate, to Don, an owner who stopped by during the installation, to those already mentioned, everyone at Nex-Gen has been friendly, knowledgeable, and responsive. We will certainly use them for...

We are extremely pleased with our new windows! Our sales rep Ted Rajewski was caring and sensitive, and our installer, Ish Cherry, was the best. Ish is a perfectionist, and that's what you want when installing new windows. They are on time, very caring, easy to be with, and fun! We highly recommend them.

We had our builder grade windows replaced by Next Gen a few years ago and are still in love with them. We used them again to replace our windows in our dining room and thy put in beautiful bow window and a stunning picture window in our living room. Their service and quality are excellent and we would use them again.

Esh, Mike and Drew did a great job on installing our new windows. We’ve got a quirky, old home and it was no problem for them. They made everything look seamlessly finished inside and out. We can’t believe how much warmer and quieter it is in our home with the new windows, they are beautiful and we will definitely use Nex-Gen in the future.

We have not used c them yet, but called to get information and the lady Carrie that answered the phone was very informative, helpful and overall had great Customer service. Look forward to speaking v with her when we are ready to move ahead.

Had a sliding door installed to upgrade the one that came in my house. New door looks great, seals up perfectly, and was done first try. Ask for Mike Deyoung to install, he nailed it!

Highly recommend. Outstanding job from start to finish. The crew shows up on time, explains what will be accomplished and they are very professional. Exceptional customer service would be an understatement. They really went above and beyond to help me. I highly recommend them for any project.

Great customer service. Very professional and easy to work with!

Incredibly professional team and lovely to work with. Highly recommend.

The windows are just fantastic! An excellent product and were delivered and installed ahead of schedule! Kim and Juan Lara and their crew were just great and we couldn’t be happier! Thanks also to Clark Mase and Don Borden for making the process go so smoothly.

The level of professionalism and product knowledge is outstanding. Everyone from those who answer the phones to the client experience manager, field managers and installer was simply amazing. They work hard to pair you with a product to fits your needs. This company doesn’t just take your money and then leave, never to be heard from again- they do follow up and they make themselves readily available to address possible issues or concerns.

Great company to deal with, as well as quality windows. The crew installed them quickly, and professionally. There was a minor glitch at first, but customer service and the company resolved everything completely! I'm so happy with my new windows!

Nex-Gen Windows and Doors in Fort Collins recently installed new exterior doors on my home. From start to finish, I had a great experience with this company. The people at Nex-Gen provided a winning combination of high quality products, expert installation and exceptional customer service.

I knew that I would need help choosing the right doors for my home. Luckily, my salesperson was Clark Mace. Clark was knowledgeable and very thorough. He knew the products inside and out. As he guided me through the many style options, his suggestions were invaluable. Thanks to his expertise, I now have a beautiful new front entry door that complements my home. What a transformation!

Clark stayed in touch every step of the way. He even stopped by to see the completed project. That level of commitment to customer satisfaction is rare, and very much appreciated!

Great service and product . Thank you Eugene, installer, and Don, PM

Great products and professional people

Everyone i have worked with at NexGen has been professional, courteous, responsive and the workmanship is top-notch. Will be reaching out to them to also get a quote for siding.

When replacing all of our windows, the company we were using could not change four windows into two long ones, saying they would be too big. Nexgen’s frames were stronger and they were able to make the two long windows, eliminating the 8” space between. It made a world of difference in our living room! We wish we had used Nexgen for all of our windows!!!!
Everyone at Nexgen has been terrific - from Ted, the sales person to the installers.
We now have another project so I immediately contacted Nexgen.

Had an issue with our door jamming and Mike came out and fixed it right up in about 15 minutes!

We love our new door. High quality fiberglass construction and the door is efficient at blocking heat, sunlight and sound. The installation was efficient and they did quality work. Very happy with our experience with NexGen so far!

NexGen replaced 3 windows in my patio home. The quality was what I was looking for in windows. The installers did a good job and left the inside and outside of the windows looking professional and well installed.

We’ve had our NexGen windows for about a year now. In the winter time when all of our other windows had condensation, the new ones didn’t. The product is excellent. We even saw a reduction in our heating bill. Ted is wonderful to work with. Highly recommend.

We had Nex-Gen install our Infinity windows some time back was very pleased with the service and love the windows. We had hail damage on the lower trim and needed repairs called and set a date for the work, Mike showed up at the set time and went to work. Very professional in his time and work,
They look just like new once more. Great windows and even better service. The quality of Infinity and the service from Nex-Gen was the best.

Thank you Nex-Gen! Ted was knowledgeable and friendly with helping us select the right windows and patio door for our house. The installation team was professional, along with giving attention to every detail. The new windows have really made our house stand out in the neighborhood, with neighbors stopping by to let us know how great the windows look. Thank you!