Home Window & Door Installation Andersen Windows & Doors windows
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8:37 pm EDT
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We built a new home in 2002 using Andersen 400, green, vinyl clad, double hung windows. We recently noticed large openings, some in excess of 1/4", in the corners both top and bottom on the exterior frames where the vinyl appears to have opened up (pics attached). This has occurred on all 29 series 400 windows. A neighbor who has Andersen green, vinyl clad windows recently showed me where many of his frames are "spongy" at the bottom from apparent rotting. The windows also started fading right away (after I was assured by Andersen that they wouldn't). After 9 years the fading is significant. Their solution was they would paint them. I bought vinyl clad so I wouldn't have to paint, so I have delayed any decision. Anyway, these problems are not good signs for "maintenance-free" windows. I contacted Andersen by email and we'll see how long it takes to get the right attention. Anyone out there with similar problems?

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Dec 20, 2021 10:04 am EST
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I have Anderson 400 in green vinyl. Window are about 12 years old, 2 years out of warranty. All of the exterior sills are cracking. I spoke to Anderson and they told me the only fix is to replace the frames. At this point, I am not sure I want to put more money into this product. Plus the windows have faded so much the frames will not be close to the older windows. Anyone else seeing this issue?

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Mar 29, 2021 11:34 am EDT

Hello - I have the same green Andersen windows and door and they are awful. They leak, the cluster flies seem to walk right through them as if they were open, drafts are unbelievable, every bottom frame is bowed up making a tight seal impossible. You couldn't hold a candle near the windows in the winter as it would immediately blow out from the wind coming through these windows. On the exterior doors, they were made for a 2x4 wall. If they are installed in a 2x6" wall, Andersen added an extension - which created a seam in the middle of the frame allowing large amounts of water through. It's a nightmare. Our builder said that this is absolutely normal and expected from Andersen and that's why they will only install them if the client insists - and then they have to sign a waiver.

Nov 05, 2018 11:08 pm EST

I have the same 400 series, green, double hung vinyl windows. Installed in 2006. Severe separation and ice build up inside. The wood is ruined on all units and after being called a liar and blamed repeatedly over the last 12 years, my warranty has lapsed and now I'll be forced to replace all my windows. I am a single father with a 5 year old girl and can't afford to fix 12 year old windows. I complained from day one and was shuffled back and forth by Andersen. Even sent out a rep to insult me after 9 years of compaining, stating that my house was above the recommended 17% humidity level. Anyone from Michigan knows that that is impossible even in the winters. In my research overy the years I found out my windows were manufactured in Minnesota in January of 06'. Since there wasn't a class action suit available to join in Michigan like there was in New York, and Minnesota, I wasn't able to do anything about it. I'm afraid I will be forced to take the money my now decease parent's intended for my daughters college fund and fix windows covered with black mold and ice. If you are reading this and are thinking of purchasing Andersen windows for your home or new build, please reconsider and call or text me for pictures and more information. My name is Chad and my number is [protected]. Don't get stuck like we did. I should be enjoying the home I built for my family, not regretting it. Andersen should be ashamed and embarrassed but they just don't care about the little guy.

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Jul 16, 2018 2:41 pm EDT

I am a Fenestration Expert Witness and class action work consultant. Please view my website at

Matthew Roetter, Pres.
Roetter Window and Door Company, Inc.
Email [email protected]

Jan 25, 2021 3:29 pm EST

I’ve been dealing with a Andersen window coloring agent problem.
Back in [protected] apparently the compounding Co that created the Forest Green color neglected
To include the UV protectant. I have windows that have lost over 50% of their color.
Andersen sent out a crew to refurbish in April of 2016 and are now fading again.
Their response to me was the warranty has expired. My response to them was, I was sold a product that was not 100% in its manufacturing process.

Oct 12, 2015 2:34 pm EDT
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We installed Replacement by Andersen two years ago and now have a cluster fly problem inside. They sent someone out last fall who caulked but the problem is returning again this fall. We didn't have this problem before the installation of these windows.

Nov 28, 2013 9:15 pm EST

I have Andersen double hung widows and have an insect problem. Cluster flies are getting through the screen! Worse, they are coming in via the widow! I have put up plastic to seal the widow off to see if the source are the widows. After several days, there were many flies trapped between the plastic on the interior of the house widow and the inside of the widow. Andersen sent a rep out to see about my situation. He took the widow apart and we found many dead flies trapped inside the vertical vinyl slots. He said, " I have never seen anything like this."
His report to Andersen was that the widows are functioning properly. Andersen claims all sorts of thinks. The widows were not installed correctly, the flies are coming in from another source. ( That is why I isolated 3 widows on the interior of the house to test this out). Our conversation was over 2 hours long. I explained my heat loss idea that attracted the flies. YES, IF THE FLIES ARE COMING IN, THERE ARE AIR LEAKS! The flies are coming in on the sides of the screen edges and then going into the vertical channels the widows open with and I think through a 1/4" gap at the top of the widow's vinyl. (see picture on previous complaint). They refused to give me the detailed plans of the vinyl structure that I planned to use to make the repair easier. I did send pictures to an email address that did not work which they gave me! They promised to call me when the report came in. I called several times and they did not call me as promised. I had to find out the news my phoning them. There is much more to this event but, I do not want to write a book. I feel that the widows are over designed(or poorly) and made of cheap vinyl that will rot out in the weather. I still remember olds 1920 houses with double hung widows that did not have this problem. The were wooden framed. I have a 1922 house, also that has double hung widows that does not have insects coming in.


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Andersen Windows & Doors contacts

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Phone number
100 4th Ave. N, Minnesota United States