We initially purchased three new Simonton windows for our home. We were impressed with the…read morereduction in heat gain and after a couple of weeks, we decided to get new Simonton windows for thre rest of our our home. The windows operate well and the pricing was the best we could find. Hector was the installer both times and did an outstanding job. He was easy to work with, professional, neat and tidy and communicated well. Thank you for a great job.

Not impressed Didn't have the products or guarantees I…read morewanted and couldn't properly explain the process well enough

Having your window pop and shatter suddenly without cause is a startling experience but what is…read moremore shocking is the absolute horrible customer service and blatant disregard for their warranty and care for the customer. And that is what sold us on this company. We have had one of the 2 shattered windows replaced but it took around 6 months to get it done. And this one that is still broken and waiting to be replaced... we have been waiting nearly a year and can't get a call back or an update. To add to the troubles, the initial install ended up being awful. It looked great for a bit but all the windows have gaps and dirt and air pass through and they are a MESS!!! Mike from Nex-Gen came and walked through everything and agreed the installation was not good. And he promised to get the replacement in quickly for the broken window and would fix all these install issues and wrote everything down and apologize but, that was nearly 5 months ago and we have called and have gotten NO response. My husband calls the company and NOTHING is ever done. We don't even get a phone call back, they say they are checking on the order and will get back to us. Good thing we don't hold our breath. This so called lifetime warranty is a joke! It is only good IF the company actually calls back and actually follows through. And what is so maddening, the warranty and good customer service is what sold us. Talk about bait and switch.

Great experience with Dan and Dave. Sales process was respectful, authentic and knowledgeable.read more

My issue was resolved after Lifetime Windows remeasured the opening and adding 1/2" to overall…read moreheight around November 2022. Now, the window is the correct size (see photos). There is no extra "trim coil" at the top to fill the opening. (note: some trim coil is required around any window frame along with insulation and sealant.) I am updating my rating to 4/5 to account for the trouble I had convincing them this was the right thing to do. Kudos to Lifetime Windows for ultimately replacing this at their expense. I will report the same to the BBB. FYI, nobody asked me to update my review. I only want to be fair and complete. The windows they sold me are very nice. The window itself was never in question; just a problem with my measure and install.

Communication is very poor and seems to only happen when initiated by the customer. Squeaky wheel…read moregets the grease. Ordered a whole house of windows through Costco October 2025. Job is still not complete. Have been back 6 times due to broken frames, broken locks, hard to open (sticky window's), and sealant around glass. Told they don't clean windows during installation , that's the customers responsibility. Lifetime has been accommodating with service calls, but most of them could have been avoided. My experience is not what I expected from Costco, Marvin and Lifetime.

Mike and the Synergy team were excellent. They replaced our windows, installed a new whole house…read morefan, and air sealed/insulated our attic. It all went off without a hitch and we couldn't be more pleased with the results. Our concerns were always addressed and we were never left out of the loop. Air loss in our home was reduced by 50% once Synergy was finished, putting us in the top rebate tier for air sealing. Rebates from the City of Fort Collins arrived promptly. If you're looking for reliable professionals participating in the Efficiency Works program then look no further.

From the owner: Synergy Contractor Services specializes in energy efficiency upgrades for residential and…read morecommercial buildings. We offer state of the art products and services to meet the energy needs of northern Colorado residents, with an impeccable attention to detail and top notch customer service.

Terrible follow and service on a window they replaced in our house. Won't repair a window they…read moreinstalled - won't even come back and look at it and assess what is wrong. Bryan, the technician I spoke with over the phone is not willing to send anyone to look at what is wrong. We have a sub-standard window with several issue, installed by Anything Glass and they will not stand behind their work

From the owner: Anything Glass & Restoration is a full service glass company for shower doors, windows, and custom…read moreglass, located in Fort Collins and dedicated to serving Northern Colorado. We are locally owned and operated with over 30 years of experience. We do all things related to glass from installs to restoration, residential or commercial. We set ourselves apart by our superior customer service and our pride in craftsmanship. Anything Glass customers are customers for life.

i couldn't get anyone to fix my sliding glass door in wheatland wyoming after calling 15 glass…read morecompanies snowy range glass in laramie was able to come to wheatland and measure glass door and order and install and were reasonably priced thank you so much!!! i highly recommend !!!

Highly recommend! Mike has done a few jobs for me in the past repairing and replacing windows…read more I've always been very happy with his work. Nice to find someone who takes pride in their work and is detailed.

This company values integrity and getting the job done correctly. They are diligent on timing and…read moremaking sure that the customer is satisfied with the job that they are paying for with their hard-earned money. Tyler is an asset to his team as he is very transparent and forthcoming with realistic expectations and is very reliable in his communication and follow through. They value the relationships that they create with their customers, and I will absolutely use them for future projects. You are in good hands with this Loveland Team!

From the owner: 5 Star Roofing & Home Improvement (your local Window Depot USA) is the right choice for all of your…read moreroofing, replacement windows, entry doors, siding, gutters, and insulation needs in Northern Colorado and Southern Wyoming.Did your home get damaged from the resent hail storm? We can help. We specialize in hail and wind storm restoration. We are your one stop home improvement shop. Our energy efficient replacement windows outperform and outlast many other replacement window and patio door products on the market. 5 Star Roofing & Home Improvement replacement window products include the ever-popular Double Hung, Bay & Bow Windows, Sliding windows, Energy efficient replacement windows, and more. 5 Star Roofing & Home Improvement is a locally owned and operated replacement window company with national buying power. We turn our buying power into savings power, which allows us to pass on tremendous deals to our customers. Your new replacement windows from 5 Star Roofing & Home Improvement will increase the value of your home, boost curb appeal, save you money, and much more.

Omg I was so impressed with Logan and his crew. So punctual, responsible, professional over all…read moregreat work ethic. He left my shower just as I had pictured. I love love love it . He even fixed a small leak that i had in another shower which he didn't install at no charge. I would definitely recommend him and his company .

Logan and crew did our shower glass and 2 years later no issues at all. The following year we had…read morehim replace our old aluminum framed windows with vinyl. He gave great advice when shopping for windows. We ended up purchasing nice Pella windows from Lowes. The sales associate was familiar with Logan and said other clients were happy with his work. Numerous other glass companies refused to install windows unless we purchased directly from them. Not only did we save money in our overall purchase but Logan's quality of work is exceptional. Punctual, professional, and competitive prices.