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Kensington Windows Reviews And Prices

Explore Kensington Windows reviews on their Kingston, Huntington, Quantum 2, and Wiegan window series.

Please Note: Kensington HPP is no longer in business.

Company Information: Kensington HHP is a window manufacturer with a single factory in Western Pennsylvania and produces 3 vinyl window series. Contrary to what I wrote about Kensington previously, Kensington HPP, Inc. has no affiliation to Alpen HPP, other than the owners of each companies are friends and both were at one time owned by Serious Energy.

Complex History: Kensington HPP was formed in 2013 when 2 long term employees bought the company from Serious Energy. Kensington Windows was part of the Jancor bankruptcy back in 2008.

Kensington HPP gets a 4.6 out of 5 stars based on 29 Kensington windows reviews below.

Dane - Site Editor

Page Last Updated: February 13, 2024

Please note, our website is not affiliated with this manufacturer.

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Kensington Windows Reviews :: History

Our current plant has been in operation since 1977. For the first 20 years under an ownership group led by the Snyder family. In 1995 a large holding company from Canada, Jannock Ltd, purchased the company as part of their vinyl division. This division was comprised or several companies including 2 vinyl window manufacturers, Kensington Windows and Survivor Technologies.

In 1999 the operating management team of the vinyl division purchased the division from Jannock and for Jancor. Jancor was a very profitable company for 10 years and as the building materials industry took a serious downturn in 2006, cash got tight. In 2008 the bank called the line causing Jancor to shutter all 5 of its operating companies. Kensington Windows was a profitable company even in the down years for the industry with a great product line-up and as such was involved in an asset purchase in January 2009 out of bankruptcy by Serious Materials.

Serious operated the company until March 2013 when the 2 senior managers of the company, John Barker and myself, were able to come to terms with Serious to purchase the company to allow this plant to continue to employ great people in this area and focus on delivering high quality and high performance products for many years to come. We wanted to pay tribute to the decades of service and the great reputation when we took on the new name of Kensington HPP (High Performance Products).

We offer a one week lead as we have maintained since the late 1990's and currently are the only vinyl replacement window manufacturer in north America producing Heat Mirror glass systems for our Energy Star Most Efficient product offering. I have been in a senior management position with this plant for 20 years and have been in the industry now into my fifth decade. John Barker is our CFO and co-owner of the company and he has been with the plant for 10 years. He's also been in the building materials industry for 30 years including a stint for the parent company owner by the Snyder family in the 90's.

Chuck Wetmore - CEO, Kensington HPP, Inc.

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Kensington Windows Reviews :: Kingston Series (300)

The Kingston or 300 Series is the company's entry level vinyl window that is actually a sold mid range vinyl window in my opinion. It isn't as good as their step ups in the Hungtington or Quantum II series, but the Kingston is a solid bet given the right price point.

Dane - Site Editor

Kensington Windows Reviews In Chicago

I live in Joliet, Illinois, near Chicago. It gets below zero and I need two replacement windows. I have a company that sells the Kensington 300 and would like to use them because of price point but the company requires you buy minimum 4 windows and I can’t afford that due to so many other projects. Could you tell me do you know of any other windows that are comparable or how can I find somebody else that puts in the Kensington windows? I was going to use Joliet window and block, but they’re the ones that want the four windows minimum. My searches on the Internet, or not give him any other installers or distributors. I hope you can help and thank you very much

Debra - Homeowner - from 2023

[Site Editor's Answer]

Debra, I really have no idea if Kensington has another dealer that services the Chicago area -- I'm sorry for not knowing, but I don' are my Chicago based recommendations that perhaps might help you find some good local companies. I would ask each one that comes out to give you a bid if they happen to know a Kensington Windows rep.

Dane - Site Editor - from 2023

Kensington Kingston In Louisville, KY

I live in Louisville, KY. I will probably be replacing my windows so if you have any goods leads, I would appreciate it.


Greg - Homeowner - from 2020

[Website Editor Reply]

Greg, I believe there is an Okna and Kensington dealer in your state. Start here. Both of these brands are great. You may need to go to their websites and put in your information to see what local dealers are avialable.

Other good quality windows that won't break the bank include the Polaris ThermalWeld, Okna 400 Series, Okna 500 series, Soft-Lite Classic, Soft-Lite Pro, Kensington Huntington, Wincore 7700, Anlin Del Mar, Harvey Classic, Amerimax Craftsman Portrait, Vytex Fortis, PGT 2300, PGT 5400, Simonton 9800, Simonton Reflections 5500, Zen Nirvana, Zen Lotus, Ideal Platinum 3000, Ideal Majestic and the Sunrise Classic.

Not all will have dealers in Kentucky, in fact I'm assuming most will not. But a google search for "Sunrise windows in [you city, state]" should bring up local companies who carry the brand. Call them up, get the bid, and compare. Feel free to shoot your bids over to me and I'm more than happy to provide you with my take on what you have.

Dane - Website Editor - from 2020

Kensington HPP Kingston Bid

Hello Dane, so we have a quote for the Kensington HPP Kingston

$4,600 for 6 windows and adding a picture frame finish to 8 windows (We have two Pella 4000 series we are not replacing)

We can upgrade to the Kensington Quantum II triple pane for $950 more, so a total around $5,600.

Our sales person says we do not “need” the Quantum because there is such little glass surface area in our home. Of course he will gladly sell us the upgrade if we want it. He says it’s basically overkill. Our house is just under 1400 sq. ft and is a bungalow style. We live in Michigan.

He says the Kensington Huntington is not worth doing anymore because they have made so many improvements to the Kingston. He says the only way to the Huntington better is to put an upgraded heat mirror glass package in but at that point you might as well go with the Triple Pane Quantum II.

Will the Quantum II provide a lot more noise reduction?

We will be in our house for at least the next 15-20 years.

What are your thoughts on all this?

Thank you and I appreciate your time and valuable input.

Chris - Homeowner - from 2020

[Website Editor Reply]

The Quantum II is the better window, but if the salesman is saying the Kensington HPP Kingston is going to do the trick, I would trust him more than my knowledge of their windows. However, if I were going to be in my home another 20 years I might consider going with the Quantum II anyway. Assuming the $1K wasn't going to take too much of a bite out of my budget. Kensington makes very good windows, so both will definitely help with noise reduction over your old windows.

Dane - Website Editor - from 2020

Kensington Kingston vs. Sunrise Standard

Hi Dane! I have learned lots from your site! Replacing 24 windows in our house. Quote fairly similar from two different companies for Kingston and for Sunrise windows (standard not essentials). Which do you think is better? Thanks!

Joyce - Homeowner - from 2019

[Site Editor's Answer]

Joyce, the Sunrise Standard is the better window over the entry level Kensington Kingston. The Kingston is an excellent window for an entry level window, but it isn't quite as good as the Sunrise, which is quite a nice vinyl window.

All The Best.

Dane - Site Editor - from 2019

Kingston 300 Series Quotes

Hello Dane & Time,

Thank you both for your useful website on windows replacement. We wanted to replace our current wood windows with vinyl windows.

I received a couple of quotes from installers in the Chicago area. They seem to be reputable installers based on reviews from Angie's list.

It appears there are more Chicago installers who does Alside in particular the Mezzo line (which I have read on your website there have been issue with this line, so not sure whether that has changed). Anyhow, I would appreciate any input you may have based on the quote I have received.

We have a total of 17 windows for replacement which includes: 11 double hung, 2 large transom (approx. 7ft width each), 1 half arch window, 1 kitchen casement, 1 picture frame, and 1 basement (3 lite casement). Both the interior and exterior of the frame we will stick to white. There are other color variation to choose from but that will increase the price per windows so we are sticking to white.

Here are the quotes:

Installer 1 – Kingston 300 series

Installer 2 – Alside Mezzo

Installer 3 – provided 3 different quotes
$18500 Marvin
$14,500 Andersen 100 (I read Andersen 100 does not have double hung so that may be out of the equation since we prefer to stick to double hung)

Advanced 6300 windows. $11,250 Vinyl windows

Thanks for any input you may have regarding whether the quote sounds reasonable and any factor I need to consider.

Kath - Homeowner - from 2019

[Site Editor's Answer]

Kath, this is a tricky one. I would say on the face of it that the Kingston 300 series is the best deal. The Alside Mezzo is not as good a window, but is a decent mid range vinyl window option and obviously for less money.

The Marvin is expensive, and the Andersen 100 is not worth the added expensive over the Kensington Kingston model in my opinion.

If this were my project, I'd go back to the Kensington rep and tell him you like his window, but that it's out of your price range. Especially because you have an Alside Mezzo bid that's $10K. If he could come close to the Alside bid, you'd be ready to sign the work order that day. Then give him a few days to multiple over your prospect. I think he would come back with a better price and you would know what the floor is on his pricing.

Dane - Site Editor - from 2019

[Kath's Reply]

Thanks Dane for the feedback.

I will check with the Kensington installer to see if he can come down with the price.

I didn't realize replacing windows can be so costly! When I went back to the quote for Kensington, for a small half arch window we are looking at $600 which seems expensive, and $2100 for small basement 3 lite casement windows.

Again thank you for your suggestions.

Kath - Homeowner - from 2019

[Kath's Reply]

Hi Dane, Hope your week is going well.

I took your suggestion and got a bid for the Softlite Imperial LS. The installer is reputable based on many high reviews on Angie's list and I got a quote for $12,450 (discounted price already).

This is $2600 more than the lowest Alside Mezzo bid. Do you think it's worth the extra money to go with Softlite. I know based on your website reviews this is better quality than Alside Mezzo.


Kath - Homeowner - from 2019

[Site Editor's Answer]

Kath, I think the Imperial LS is absolutely worth the cost UNLESS you are moving in 5 to 7 years. If that's the case, then I'd go with the Alside Mezzo, which is a decent mid range window.

Dane - Site Editor - from 2019

Kensington 300 Bid

Hi, we are in the Chicago area and looking to replace 15 windows, 1 slider and 14 double hung with 3 needing to be tempered. Champion came in at the highest with a bid at about $15000, Kensington 300 at $7100 and Apex with the Insignia at $10,100. The Kensington deal seems good, we have decided the Champion is too expensive and we didn’t like the sales pitch of limited time only. We are leaning towards the Insignia as it seems mid range and a decent deal for 3 panes windows, all the others are double pained. Any advice?

Joanna - Homeowner - from 2019

[Site Editor's Answer]

Joanna, the Kensington 300 series is a good deal for that price. I would see what they would charge for the 500 or Hunginton series. If it's at the Insignia price or lower, this is what I would go with (depending on the quality of the installation company.) The Apex Insignia is a decent window and that price is certainly fair. Either one of these deals is solid, but I would certainly take some time to figure out which install company has the better rep and track record.

Tim - Site Editor - from 2019

Kensington hhp Kingston vs. Wincore 5400

Hi Dane,

Thanks for creating your website, it’s been a huge help in navigating the world of replacement windows!

We bought a house that needs replacement of 26 windows. We’ve found an installer that has worked for multiple friends with good results and he has quoted us the same price for three different manufactures. The majority of the windows are double hung, with a few picture windows and 2 small sliders. The options are:

Wincore 5400
Kensington hhp Kingston
Norandex Viewpoint 3000

I’m not sure I can fin enough information on performance of these products to render an opinion. Any thought regarding which window to go with, all things being equal?

Jerad - Homeowner - from 2019

[Site Editor's Answer]

Jerad, I’m glad you’ve found the site helpful. So I really like Kensington windows, the Kingston is their entry level window, but still better than the other two in my opinion. Ask him if he has access to the Williamsport or Huntington series, which I feel are a nice step up from the Kingston.

The Wincore 5400 is a decent middle of the road vinyl window, but again I prefer their step up model 7700 series.

I’d recommend either the Kensington and Wincore over the Norandex myself, which I believe is an Atrium made window.

I LOVE the fact that you’ve found a good installer that you trust. You can get away with a solid middle of the road vinyl window and be just fine with good installation. Wouldn’t mind seeing you step up, but the Kensington or Wincore should treat you well.

All The Best.

Dane - Site Editor - from 2019

Kensington Price Bid

Hi Tim, I received a quote on 6 double hung windows (Kensington) a patio door, 2 skylights, and entry door from Mad city. Was wondering what the average price should be. Also they told me that Kensington were the sky mirror technology and most efficient. They did list other types like de pere, Fitchburg, and maple bluff windows. Could you educate me on those windows as well. Thank you for your advice and information. Mad City Windows reviews

Amy - Homeowner - from 2019

[Site Editor's Answer]

Amy, Kensington makes an excellent window, but they make a number of window series/models. Their entry level series are okay, their mid range series are very solid and their premium series are top of the line. Prices between their entry level and premium series will differ by up to 40%. As to average prices, it's very tough to say since every project has 20 factors that dictates price -- especially with things like skylights and entry doors.

Honestly, I've never heard of de pere, Fitchburg, or maple bluff windows so I can't provide any details on their quality etc.

The best approach is to collect three or four bids and then compare the prices you receive. Feel free to send the prices and basic details to me and I'm happy to weigh in.

Tim - Site Editor - from 2019

Kensington Kingston Windows vs. Sunrise Essentials

Hi Dane,

Firstly--I'm grateful for you site as it's hard to sort through all the clutter elsewhere. I'm trying to decide what economical option to go with for a rental condo in Northern Virginia. I hope to get at least 10-15 years out of the windows before they start having issues.

I've received two quotes from smaller companies and one on Home Depot replacement windows, which was more expensive ($700+/window). One company offers the Sunrise Essential or Sunrise Standard for $550-$650 per window. The other is offering the Kensington Kingston for $450 per window.

Any thoughts/advice? Any other brands to consider at this price point? I know that the Essentials is Sunrise's entry level window and would prefer to spend another $1,000 (I have 10 windows) if it means less hassle down the line.

Thanks in advance!

Hugh - Homeowner - from 2019

[Site Editor's Answer]

Hugh, how interesting that the HD quote is coming in at $700 plus per window—aren't those guys supposed to be cheap :)

The Sunrise Essentials for $550 doesn't strike me as great. The Sunrise Classic for $650 per window is about what I'd expect.

The Kensington Kingston at $450 is a damn good deal. The Kingston is a good mid range window (it's their entry level window). I would prefer you go with their mid range Williamsport or Huntington models, but some dealers don't have access to these series. These two windows are well built and energy efficient and if you could get either one for $550 per window, I'd say that would be the way to go.

Dane - Site Editor - from 2019

Kensington vs. Advanced Windows

Hi Dane and Tim, I came across your website and appreciate the discussions and information you manage and post.

I am also in the final stages of making a decision to replace 4 windows in our home in the Chicago suburbs. We plan to replace the following:

(2) double-hung
(1) half arch (over the double-hungs)
(1) garden in kitchen

I wanted to seek out your insight and input before making a final decision. I am deciding between the following two quotes:

1 – Kensington HPP Kingston: (2) double-hung and (1) half arch window = $3,350; (1) garden window = $2,800

2 – Advanced Windows 6300 Series: (2) double-hung and (1) half arch = $4,590; (1) garden = $2,800

Both of the contractors have positive reviews on Yelp and other sites. Two parts do concern me – 1) the quality from the two manufacturers based on some online comments (I believe including your site) and 2) the price quote estimate from your website (results below) was far below the actual quoted prices.

Replacement Windows Reviews Cost Estimate (only for 2 double hungs):
$1080 (includes windows and installation)
2 Windows
Mid Range Budget
Vinyl Window Frame
Double Hung Window
Full Frame Replacement Installation

Many thanks in advance for your help and insight! I look forward to hearing from you soon.
Kind regards.

Jamie - Homeowner - from 2018

[Website Editor Reply]

Jamie, yes the average cost of a replacement window is $540 or so. The problem is that SO MANY factors determine the actual price that it's too difficult to use an online calculator to give better pricing. For instance, most window prices are based on the lineal feet of the opening, but no one would measure all their windows and input that info into our site.

I would get two more bids if I were you only because that's a pretty specific project requirement with the arch top and garden window. You might get a bid that really appeals to you outside of what you have.

I like Kensington HPP a lot. The Kingston is their lower end option, but it's still a better window than lots of mid range vinyl windows. I've heard of Advanced Windows, but don't have enough information to give you much of an opinion.

I would stick with Kensington myself but only because I know they have a good reputation. I'd get two more bids and see if that helps put the bids you have as fair or overpriced.

Dane - Website Editor - from 2018

Kensington Kingston vs. Alside Mezzo

Dane, Thanks for your response. Tried searching as noted. My request was for mid grade vinyl double hung replacement windows. I asked for a quote with all materials and services listed, as you can see below that requirement was not meet with any of the quotes.

Custom Siding and Gutters
Kensington Kingston 1/2 screen under 103 ul. KG4 glass.
This is a possibility not sure about the KG4 glass

Economy siding and windows
Viwintech 6000 ultras

Creative Additions

Yoder Brothers Construction
Alside mezzo series
Low E argon has, exterior trim installed
This is a possibility

American Glass
Window Mart 7200 series
No price
? Is all I can say here.

Mid grade thin glass

Let me know if any of these are viable options.

David - Homeowner - from 2018

[Website Editor Reply]

David, first of all how crazy is that Sears quote? Who do they think they are giving you such an outrageous quote, Renewal By Andersen? :)

I like two bids. First off the Kensington Kingston. I would be prefer you go with one of their upgraded models like the Huntington, but Kensington makes good windows. Ask if they have access to other Kensington HPP products. I'd definitely pay for the better glass package. If the installation track record and online reviews of the company doing the work is solid, this is what I'd recommend. Plus it's the least expensive.

The other option is the Alside Mezzo series. I don't love this window frame, but overall a decent window and impressive air infiltration numbers. Check their online reviews etc. and put this in spot number two if the company doing the work passes muster.

Let me know if either of these works out and good luck!

Dane - Website Editor - from 2018

Kensington Kingston 300 Window Bid

Dear Dane, I am currently looking at replacing 16 windows in my home.

Contract Pro offered Kensington 3000 series installed $8,000.

Jennifer - Homeowner - from 2018

[Website Editor Reply]

I like Kensington HPP, but they don't sell a 3000 series window. They do sell a Kingston 300 series, although they usually drop the 300 part on the website. I know they have had warranty issues in previous years with financial problems with ownership changes. Since 2013, they have become quite a reliable company. Having said that, I would be wary about using their entry level window. Can you get a quote on the Huntington model. If you got that one for $10K I think that would be the option I would go with. The window offers very good performance and is a generally nice looking vinyl window in my opinion.

Dane - Website Editor - from 2018

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Kensington Windows Reviews | Huntington Series

Huntington Window Price Bid

I’m having a hard time finding referrals for good installers. I’ve been seeking someone that can install Sunrise but I’ve been unsuccessful.

I’ve had Window World out and they gave me an estimate for $4500 to replace two sliders And four double hung. For that price they are also going to replace the sills and picture frame the interior of all of those windows +2 more for a total of eight windows being framed out on the inside. That price is for their 4000 series window.

What are your thoughts on Window World‘s windows?

I’ve had a reliable recommended installer out that will install Kensington windows. He will do the same work using the Kensington Kingston series for the same cost or I can upgrade all the windows to the Huntington series for an additional $950.

He also said that it may be in my best interest to only put the Huntington in one of my sliders that is a large window in the front of my house and do the rest of the windows in the Kingston to keep my cost down as he feels the performance of the Kingston will be good on the rest of the house.

What are your thoughts on this?

What are your recommendations?

Again I live in Michigan to help you provide some recommendations.

I hope this all makes sense. I sincerely appreciate you taking the time to respond to me. This whole process has been frustrating.

I was going to have wall side windows come out and give me an estimate but I don’t like the fact that their windows are not welded.

Have a pleasant day and stay healthy.

Kindest regards.

Chris - Homeowner - from 2020

[Website Editor Reply]

Chris, Window World is for me a place to go if you are flipping houses or are planning to sell in five years. Their 4000 window model is typically the MI 1650 window, which ranks low on my list of quality windows.

The Kensington Kingston is a good mid range window. If I were staying in the home long term I would upgrade to the Huntington series for the $950. If I were going to move in say 10 years or less, I’d stick with the Kingston. His recommendations sound pretty reasonable to me, I have to say.

Wallside makes a decent window, but not as good as the Kensington. This would be where my attention would be focused. They make a very energy efficient window. Wallside Windows reviews

Tim - Site Editor - from 2020

Kensington Huntington 501 Question

Hi Tim, I put 7 double hung Kensington Huntington 501 windows in a new sunroom that I had built about 6 months before the original Kensington Co filed for bankruptcy (roughly 10 years ago). About three weeks ago I emailed their company and received a price on 8 separate pains that have fogged up. My question is can I replace the glass panes myself and what tools would I need. Are you aware of any U-Tube video or any other instructions where I could see the steps needed to take the old window out and put the new one in?

Thanks for your help.

Fred - Homeowner - from 2018

[Website Editor Reply]

Fred, there are lots of videos on it on -- go to and put in "replace window glass" and lots of videos will pop up. Honestly though I would hire someone local on craigslist or yelp who specializes in window repair. They will give you a free estimate on work. Best of all you can get their opinion on the actual work and if you don't like their prices, you'll get lots of great free information.

Dane - Website Editor - from 2018

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Kensington Quantum 2 Windows Reviews And Prices

The Kensington Quantum 2 is the company's premium vinyl window. It is without a doubt one of the most energy efficient and well made vinyl windows on the market. The double hung comes standard with triple weather stripping, warm-edge spacer, a fusion welded frame, recessed tilt latches, an ILSTM interlocking six-degree sloped sill, and a stealth locking system. It's a very nice unit and very well made -- given the right price point, this would be at the of my list.

Dane - Site Editor

Kensington Windows Complaint

Hello, I live in Fort Worth, Texas and I had Quantum 2 windows installed in 2007. The seal broken in all my windows except on the 2 half round shaped windows. The windows are cloudy in between the panes in 4 window and on the window that is not cloudy you can feel the heat when you touch the window and the sun is hitting it. I was informed by Statewide Remodeling ( the Company that installed the windows) that the manufacturer of the Quantum 2 windows went under in 2008 and that the warranty is voided. I am getting quotes to have them replaced. Also, Statewide remodeling will be sending a quote to replace 4 double hung windows and 1 encasement window. They will not be charging for installation just for the cost of the windows and the windows will be Kensington. I do not know what series.

I got a quote from Champion windows to replace 4 double hung windows, 1 casement kitchen window and 2 Half round shaped windows for $9,200. Total 7 windows

I got another quote from EcoView windows and doors. The windows will be manufactured by NT Windows (Presidential Series) to replace 2 Full eyebrow single hung windows, 1 kitchen casement window, and 2 double hung windows. All windows will be triple pane glass for $ 6,866. Total of 5 windows.

My 3rd Quote is from Renewal by Andersen for $ 12,905, they will install 2 double hung windows and close out the 2 arches. These 2 windows will be a little taller, 1 kitchen casement window and 2 double hung windows. Total of 5 windows.

Can you please give me your input. It will be very much appreciated.

I am a home owner and will be here for another 20 years.

Victoria - Homeowner - from 2022

[Website Editor Reply]

Victoria, while Kensington did go through bankruptcy and Statewide Remodeling is probably correct, I would still reach out to Kensington HPP explain the issue and ask if they will honor the warranty. It can’t hurt — the Quantum2 is an excellent window — I’m sorry that the seals have broken and I’m a bit surprised by that.

Assuming you get no remedy from Kensington HPP, here are my takes on the bids. The Renewal By Andersen cost per window is too high. The Champion quote is too high for the quality. The NT Presidential series is a very solid vinyl window that, coupled with professional installation, should serve you well for the next 25 to 30 years. I did a quick search on EcoView and they seem to get very good reviews.

I think you need to toggle between the NT and Kensington, but I understand why you would be reticent to go back to a window that has not served you all that well.

Dane - Website Editor - from 2022

Kensington Quantum ll Question

Hello! We purchased 3 Kensington Quantum ll sliders from you about 3 years ago. These are triple glazed sealed glass units.

Questions: 1. what gas is between the panes?

2. Can I install a mild reflector film on the inside?

Thanks for getting back to me.

Bowen - Homeowner - from 2020

[Website Editor Reply]

Bowen, in nearly all cases, triple pane windows use a krypton gas in between the panes. Double pane typically uses an argon gas. Often, you can place a film on the inside of your windows without causing any damage, but honestly I would call up Kensington directly and ask your local dealer. They deal with their windows day in and day out and will have a much better understanding of the do's and dont's surrounding their products.

I'd shoot your email to them directly.

Tim - Site Editor - from 2020

Kensington Quantum 2 Quality

Dane, thanks for your response. I will look into the Kensington Quantum 2 as well. Where in the list would you rate them? Also, I found that the Soft-Lite Elements is largely not available, but the Imperial LS is.

Grayson - Homeowner - from 2020

[Website Editor Reply]

More or less all of these windows are very close to one another in terms of workmanship, fit, tolerances, energy efficiency. Aesthetically they differ but that’s subjective rather than a quantifiable component. The Quantum 2 is right at the top there, especially in energy efficiency.

Get a top performing window, but the installation quality is half the battle so this is where your attention should turn to in order to get the whole project package.

Tim - Site Editor - from 2020

Kensington Quantum & Soft Light In Kentucky

Hi Tim! I have several appointments with Okna dealer, Kingston Quantum, Soft light, and Alside Mezzo. But I really like the large glass slim vinyl look of sunrise restorations. My problem is sunrise doesn’t have a dealer in the state of Kentucky. Do you know how I can purchase this window?

Brad - Homeowner - from 2018

[Website Editor Reply]

Brad, unfortunately, if they don't have a dealer you can't buy the window. Okna and Soft-Lite though are excellent manufacturers and you should be well served by either one of these.

Tim - Site Editor - from 2018

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Kensington Windows Reviews | Wiegan Series

Kensington Wiegan Vinyl Windows

We live in central Virginia and have 19 double-hung windows with grids. Four of those windows are either twins or triples. One of the twins has a large half-round window at the top and is the most expensive window in all the estimates. We have gotten four bids from local installers with lifetime labor warranties and good reviews on BBB, Google, and Angi. Which one do you like best?

Infinity from Marvin Ultrex fiberglass windows - $30,651 ($7,032 of that is for the twin with half-round).

Kensington Wiegan vinyl windows - $19,964 ($4,556 for the twin with half-round). The Wiegan is a heat mirror window developed for the local installer by Kensington. It sounds similar to the Quantum 2. We have read old reviews where some people say the heat mirror yellows over time.

ProVia Endure vinyl windows - $25,560 (installer has not provided cost breakout by window). This price struck us as high and the installer responded that the siding and shutters around the windows need to be removed because the nailing fins are behind them. Don't most installers cut the nailing fins with a saw instead of removing the siding and shutters?

Renewal By Andersen composite windows - $47,471. We nixed this one because it's almost $17,000 more than Infinity from Marvin.

Any feedback would be appreciated.

Rick - Homeowner - from 2023

[Site Editor's Answer]

Well, Kensington makes a great window, but I have to admit I've never heard of the Wiegan series. If it's similar to the Quantum 2, then its a hell of a good window. I had heard about the yellowing over time, but I felt like that was with the technology from a decade ago. I don't get many consumers complaining about that, so I'm hoping that I'm correct on that being a problem of the past -- but don't take my word for it -- call up the Kensington rep and pose the question to him. I'd be curious what he had to say...

I'd go with Kensington option if the installation company had a good to great reputation -- if not, then I'd go with the ProVia Endure...

Dane - Site Editor - from 2023

Kensington Wiegan vs. Okna 600

I got the quote from BNW Builders with their own version of the Kensington windows. Pretty sure it's a Kingston with some tweaks based on the CPD number in the brochure I shared.

They have a thin sheet of plastic they call "heat mirror film" where a middle third pane would be. It was interesting. Their specs are good from what I can tell. The only thing I didn't love is the constant force balance system over block and tackle. How big of a deal is this really?

After some back and forth, they came down to $21,350 (citing volume discount since they can order windows in bulk right now with the amount of business coming in 🤷‍♀️). The initial number was $24,500 if you're curious.

This includes 24 double hung windows, one picture window, satin nickel hardware (no extra charge), and tempered glass on 5 windows (2 bath, one low to the ground on a staircase landing, and two that are 14" off the ground in space where my husband's band practices).

It's still more than I really wanted to pay--I was hoping for ~$18k, but everything is higher right now.

Do you think this is a deal worth taking?

The other option is the Okna 600 ($23,761) but the installation company was just acquired by West Shore Windows and I don't know if they'll continue to carry the Oknas, what teams will do the install (new crew from West Shore or the Skyline Window crew who had great reviews), or much about their reputation.

Kensington Wiegan 0.43 VT, 0.21 Ufactor, 0.19 SHGC, 61 CR 0.03 AI

Jaycee - Homeowner - from 2021

[Site Editor's Answer]

Jaycee, BNW Builders seems to have a solid track record and online reviews, so I think this is probably the way to go. The Kensington is a very good window and one that I would have in my own house if it was avialable in my area. I think you have a solid option to go with...

Dane - Site Editor - from 2021

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Kensington Windows Reviews | Estate Collection

Kensington Windows Complaints

Hello from Kansas! We had the Estate Collection made by Kensington, Inc of Vanderbilt, PA installed in our home in De Soto, Kansas by a local installer. We have the original paperwork with a transferable lifetime warranty for the 21 vinyl replacements. We have several windows that now have the yellowed areas between the glass where we're told the argon gas has leaked out. The installer is no longer in this area and I'm trying to find a company that sells Kensington windows in the Kansas City metro area so we can have our windows replaced where needed. Are you able to help us with that as I can't find anything on the internet.

Lana - Homeowner - from 2024

[Site Editor's Answer]

Lana, I can reach out to Kensington - my understanding is they are no longer in business :( Let me see what I can come up with...

Dane - Site Editor - from 2024

Connect with Local Window Companies

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General Kensington Windows Reviews And Prices

Kensington HPP Windows

Is there any concern about how long the Kenisngton will last? Would there be a like priced window you would recommend?

The price of the Kenisngton with the upgraded sound control is $2939 for all 4 installed.

Jason - Homeowner - from 2020

[Website Editor Reply]

Jason, Kensington HPP makes a very good window in general so there would not be a concern for me over how long they will last. They should last as long as any other high end vinyl window. Certainly longer than an Anderson wood window.

Not a bad price at all for the four windows with the upgraded sound control -- how much did the upgrade run per window just out of curiosity.

Tim - Site Editor - from 2020

[Jason's Reply]

The upgrade was $50 per window. Not bad at all in my opinion. The installers, Visionaire Windows have very good reviews. I am a first time homeowner at 43 yrs old and all of this is very new to me. We have been here for 2 years and the home is 27 years old.

So many things to do and expenses I never even thought of. Lol I did tons of research, probably too much, and still... challenging. I have attached the brochure for the upgrade for your info stack. I greatly appreciate the feedback and guidance you have provided. Is there any way I can post a review or anything for you?

Jason - Homeowner - from 2020

Kensington Windows In Chicago

Good afternoon, I live northwest of Chicago, and am looking to replace our homes windows. A contractor that we used for interior remodeling suggests Kensington vinyl replacement windows. Another contractor (neighbor) uses Simonton vinyl replacement windows. Both are considered 'pocket' type replacement windows. Do you have any preferences and/or suggestions?

Donna - Homeowner - from 2019

[Site Editor's Answer]

Hi, I think Kensington makes a very good window. Simonton makes a good vinyl window, but Kensington is the better manufacturer. That is the choice I would make, but it would also depend on the series offered from each manufacturer. All The Best.

Dane - Site Editor - from 2019

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