Conservation Construction Replacement Windows - Lakewood, Colorado

Jennifer Y.

Conservation Construction has been great to work with. They came highly recommended to us by three separate families, a neighbor, a family member, and a family friend. All had wonderful things to say and we felt confident moving forward with them.

CC answered all our questions, are competitively priced, are quick to respond and easy to reach, and set all our expectations for installation. We love our new sliding glass door and look forward to using them to upgrade all our windows as well. They are happy to work with us in phases and we appreciate all they do.

Tom S.

If you're considering new windows and doors, do yourself a favor and call Conservation Construction! They recently installed windows and doors in my third-floor condo, and I couldn’t be happier with the results. Their team is everything you could want—on time, professional, respectful, and incredibly clean. They even removed all the waste and even offered to put my blinds back up, which was such a thoughtful touch.

Nick, my salesman was fantastic to work with—thorough, honest, and never once made me feel pressured, which I really appreciated. Ben, the install manager, and his team were just as amazing—friendly, efficient, and clearly experts at what they do.

The quality of the windows and doors is top-notch, and they look absolutely stunning. Whether you're updating a single floor or an entire house, this company will exceed your expectations. Their attention to detail, reliability, and professionalism are unmatched.

If you’re on the fence about which company to use, stop searching and go with Conservation Construction. You’ll get excellent service, no-pressure sales, and a team you can trust to do the job right. I highly recommend them and will definitely use them again for any future projects!

Glade H.

Hi, this is our second experience with Conservation Construction, about 8 years ago they installed a large sliding door, and it has been flawless, so we went back with them and it has been great as well, now next year for the front sun to , we’re looking forward for that, when you decide you will be happy, thx Glade

Amy A.

I have worked with conservation construction on 2 projects. I Siding and windows installed at two differebt dates. Both projects were handled professionally, the staff showed up on time, they were very courteous of my property, and my dog.
Marshall was nice, personable and educated on products they sell. And lastly I felt the team all around looked out for my interests as a customer.

Nick H.

We recently had an exterior door replaced by Conservation Construction and had a mostly positive experience.
Professionalism 4/5: From sales, to support and installation every member of the Conservation Construction team was pleasant to deal with and was very responsive to requests for additional information. We did have some minor miscommunication issues with the installer on when they were coming to install the door, which lead to a slight delay which was frustrating, but we eventually ironed it out.
Quality of Work 4/5: Our home was built in the 40's with brick exterior so I understand the installation job wasn't the easiest, but part of the interior frame is not flush and there is some messy caulking and paint spots in a few areas. Everything else looks great and overall the installation seems solid.
Value 4/5: Hard for me to confidently say, but the price we paid did seem on the high side for a single door installation. Plus the 10% off for allowing CC to advertise on your property made it seem like the price was significantly pre-inflated.

Overall, it was a mostly positive experience and worth your consideration for door/window replacement.

UPDATE: Conservation construction came out and fixed all of the issues described above and did an excellent job doing so. This type of customer service goes a long way and appreciate the prompt response to my concerns. Updating to 5 stars.

Cindy B.

A family owned business that served us well. When we purchased our home 5 years ago the sellers told us they used Conservation Windows. All the windows were replaced accept the front room. We could tell. The remaining windows would get frost on the inside when it was really cold. We then had exterior water damage and realized it was time to replace them as well as the siding. They came and gave us an excellent price, contacted our HOA to get approval, filed the necessary permits and ordered the custom sized windows. When they were ready to be installed their communication was top notch. Their installer came, worked all day and put our beautiful windows in. We later had the front siding replaced and are very happy with the entire experience. Everyone in the company as always helpful and friendly when we had a question or concern about the process. I highly recommend Conservation Construction.

Zachary D.

I haven’t replaced my windows because they’re expensive but this is a great local owned company. Thorough and actually care about pleasing you as the customer. Flexible times. Right in the middle pricing wise which I think is rhetorical sweet spot. When I finally can afford windows, I would call them

Paul C.

We had 13 big windows replaced by Conservation construction. The whole experience was very positive, minimal disruption, great quality and friendly, helpful, respectful workers. I highly recommend them to anyone thinking of upgrading their windows.