Okna 500 Windows Reviews

Okna Windows and Doors are not well known by the public, but they are some of the very best vinyl windows on the market today. Their 500, 600, 700, 800, and 900 series are always in the top tier of my window recommendations.

The Okna 500 window, also known as the Insul-Tec Series is the mid range vinyl window option from Okna and can be ordered as a double hung, single hung, picture, slider, or hopper window. It is also available as a replacement or in a new construction set up. The Okna Insul-Tec window is one of my top selections for best long term value window.

The 500 offers several improvements over the entry level Okna 400 window, including an improved sill wall, spacer and several additional features and upgrades. The result is a better looking and performing window from the 400 model.

Standard features include a 3¾" depth mainframe, beveled colonial frame, optional auto-lock, Heatseal spacer , full integral interlock, fiberglass mesh half screen, double weather-stripping, and fully extruded sash handles.

The 500 model can be ordered in an interior white, almond or cocoa. On the exterior, it comes in white, brown, bronze, cocoa, sandstone, almond, as well as a number of additional custom colors. Hardware comes in the three interior frame colors.
The Okna 500 Window Series gets a 4.7 out of 5 star rating.

Review By John M. - Site Editor - Updated In November, 2023

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Okna 500 Window Prices

Consumers can expect the Okna 500 Insul-Tec window costs to run $600 to $1000 fully installed. (Please note: this is ballpark pricing only. The only way to truly know the fair market price of your replacement window project is to collect local bids.) Factors that drive this price range include installation requirements, upgrades selected, and the overall size and type of window selected. Comparably priced windows include the Soft Lite Pro series and the Kensington Quantum II series window.

-- Installation: $100 to $300 per opening --

-- Fully Installed: $600 to $1000 -- *

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Okna Windows Ratings

The Okna 500 window with foam fill insulation, argon gas and low-e glass will deliver a .25 U-value, .30 SHGC, .54 VT, DP50 rating and .02 air infiltration.

Upgrading to the Deluxe package will lower the U-factor to as low as .18. These are excellent numbers, all of which are available on the nfrc.org website, which provides testing for hundreds of window and door companies.

Okna 500 Windows Warranty

The Okna 500 carries the same warranty as the Okna 800 Enviro-Star, including a lifetime on all vinyl such as the mainframe, sash and all components. The IGU or insulated glass unit is covered for the original homeowner's lifetime, as is all hardware. (The IGU on homes located near the east coast are covered for 10 years). Factory paint colors are cover for 10 years from the date of purchase.

The Okna 500 warranty is fully transferable. There are a number of exclusions that apply to this warranty so we would recommend that consumers read the single page document in full prior to buying their windows.

Window Warranty

Okna 500 Windows Reviews

Do you have an Okna 500 Insul-Tec window review to share? Let others know about your experiences with this window, regardless if they were good or not so good.

Questions for our site experts? Jim and John can answer all of your toughest replacement window questions and queries and help you get the best deal possible.

Okna Windows Reviews 500 Series

Hi there John, I'm in the DC metro area and it is time to switch out our builder grade windows.

Phase one is for 8 windows with insert application (not sure I phrased this right), but we are also not sure how long we will remain in the house.

Ideal Majestic: $7.1K
Zen Softlite Classic Plus: $7.4 (Zen Windows Reviews)
Okna InsulTec 500DX: $9.3K

Wes - Homeowner - November, 2023

Website Editor's Answer

Wes, I like the 500 InsulTec a lot, but that Ideal Majestic quote is better in y opinion. Given the prices you've got, my advice would be to go with the Majestic quote.

(Ideal Majestic Windows Reviews)

Editor John - November, 2023

Okna 500 Windows Cost

John, I have a quote for 14 OKNA 500DX single-wide double-hung windows + 3 OKNA 500DX double-wide double hung windows.

Two of the 14 single-wides come with tempered glass (master bath application)

Total quote is $24,050.

Troy - Homeowner - November, 2023

Website Editor's Answer

Troy, that doesn't sound cheap to me, although it would depend if this was for full frame installation or retrofit. Great window, but a bit too pricey for my taste.

Editor John - November, 2023

Are Okna Windows Good

Hey there, love to get your take, this is what I have going. 1 Sliding Door 6ft, 1 Large Picture Window (71x71), and 4 Double Hungs (31.5x71). And three bids. More on large picture windows price quotes.

Okna 500 - $9500

Alside Elite (Triple Paned) $7900 Alside Windows Cost

Gentek Elite (Also Triple Paned) - $7500

Debbie - Homeowner - September, 2023

Website Editor's Answer

Debbie, the Okna 500 series is worth the upgrade cost is you plan to stay in your home for 12 plus years. If not, you will probably be better off finaically going with the Gentek TP.

Editor John - September, 2023

Okna 500 Deluxe Price Quote

Morning, I came across your site and hope I can get feedback on this quote.

Okna 500 deluxe (combo) two windows on the bottom half moon on top (total size 72" by 88" tall)

$2800 installed.


James - Homeowner - July, 2022

Website Editor's Answer

James, that sounds high, but those specialty windows can be costly. My advice would be to collect a few more bids and try and find out what other quality brand dealers would charge for the same set up.

Email me directly for my window list.

Editor John - July, 2022

Okna Windows Price List

Jim, I'm replacing 14 windows in my home, built in the 1970;s. All are original single pane, wood, double hung with additional storm windows installed. Looking to replace with vinyl double hung, double pane, tilt-in with two-color internal grids – brown outside, white inside.

The brands I've received estimates for are: Insul-tec 500 (average $1400/window installed), Provia Endure cost per window was $785, Zen Nirvana ($928/window installed), Vytex Fortis ($956/window installed) and Restoration Windows Restoration series ($992/window installed). All 4 installation companies (one had the Vytex Fortis and Restoration as options) have very good reviews.

All prices include extrerior trim window capping. The Okna Insul-tec seems to be the best option, but wondering about the per window cost being so much higher than the others – are they worthy of the price difference?

Thank you.

Abraham - Homeowner - May, 2022

Website Editor's Answer

Abraham, all four of these are very good...so assuming the installation companies are all quite good, I would go with the ProVia Endure for $785 per window. It's perhaps not quite the window that the Sunrise Restoration or the 500 is, but at that price I would be hard pressed to go with anything else. Replacement Window Cost

Editor Jim R. - May, 2022

Okna 500 Cost vs. Sunrise Restorations

Hi John, I have been reading and enjoying your website recently because I have been in the market for replacement options. I recently went to a home show where I made contacts with an installer of OKNA windows and an installer for Sunrise Restoration. From what I can tell, both windows should be quality products but I am still sorting out which model/features I want.

What concerns me is that both installers have said that the pandemic supply chain issues are causing window prices to skyrocket month to month or even week to week. This sounds like it could at least be partially true, but it also would be a beneficial sales tactic to get a customer to accept a high price without questioning it. I am being quoted ~$1500/window for the OKNA 500 and ~$1700/window for the sunrise restoration. Are these prices in line with today's crazy market in your experience, or are they way over inflated and I should do some work to talk them down or find other installers?

Thanks for all your help!

Tim - Homeowner - March, 2022

Website Editor's Answer

Tim, they are correct that window prices have really jumped up because of supply chain issues. Now whether the Okna 500 should be running $1500 per window and the Sunrise Restoration $1700 is a different question. My advise is to keep these two bids because the windows are some of the best on the market. I would also google the companies and try to aggregate their ratings from the various review sites to see if you can get an overall assessment of the quality you can expect.

I would try to get 2 to 3 more bids in order to see what additional products and pricing are out there. In this difficult "price" climate, the more bids you get the better your odds of finding of reasonable deal.

Here is my list of good and great windows: [List Redacted -- (John) has the list.]

Editor John M. - March, 2022

Okna 500DX vs Soft-Lite Classic Plus

I've been researching windows for about a week now, and I've seen so much information I'm second guessing myself at every turn. I started with quotes from West Shore Home and Andersen windows who both gave me quotes for fiberglass windows in the range of $26k for 11 double hung windows, so I moved on. I then got a quote from Pella of Harrisburg for Pella 250 windows for $13,700 or Impervia for $19,300. This was certainly better but not quite in my price range yet.

So the current question is whether the Zen Nirvana (Soft-Lite Classic Plus) for $7500 (from Zen Windows of Lancaster) or the Okna 500dx for $9300 (from a local installer with great reviews, in business for 20+ years) is the better option. Is Zen Windows really going to be a business that'll be around for the "lifetime warranty" and what happens if the franchise in Lancaster closes? Are the Okna windows really that much better than the Soft-Lite.. the internet would make me think so.

Dan - Homeowner - January, 2022

Website Editor's Answer

Dan, the Okna 500 DX window is the better window over the Soft Lite Classic. As to whether it is worth $1800 for 11 windows…that’s the much more difficult question to answer…maybe…is my best stab at it.

If this were my project, I would say if my timeline for living in the home was 10 to 12 years or under, then I would go with the Zen Nirvana option (quite a good option in my opinion). If my timeline were over 12 years, then I would go with the Okna 500 (also quite a good option).

Both windows are very good and it sounds like both installation companies have good to great track records. In my book, you have already won —- you have done your due diligence to find a good product and great installer.

I don’t think you can lose here.

Editor Jim - January, 2022

Okna 500 Windows Prices

I'm planning to replace 24 vinyl windows, 20 double hungs and 2 sliders, that were builder grade from the 80s. I currently have two bids.

Simonton 5050 Cost Bid: $10k

OKNA 500 Cost Bid: $14k

Kira - Homeowner - May, 2021

Okna 500 Series Cost Bids

I'm torn between buying a longstanding brand from a big company (both of which will be around in 10-30 years to honor their warranties) and a newer brand from a local installer.

My options (for 24 double hung windows) are:

(1) Simonton Vantage Pointe 6100 from Home Depot for $17,918

(2) Sunrise Vinyl Windows from local installer #1 (31 years in business) for $18,000

(3) Okna 500 Series vinyl from local installer #2 (30 years in business) for $13,200

I feel like the Okna is the best window for that price, but just not sure about the installer and Okna itself being around in 20 years if I need them.

Eric - Homeowner - June, 2020

Website Editor's Answer

Eric, the Okna 500 is the better window over the Sunrise and way better than the Simonton 6500 series. It's a fantastic window and frankly a smoking deal! Assuming you feel comfortable with the installer #2 and he has good reviews, the Okna 500 is the winner by a country mile!

Editor Jon M. - June, 2020

Okna Window Series 500

We just got another quote for Okna window series 500 from Action windows. For the bow window 96x50 with low E and Argan gas with all 4 unit operable with foam in frame we will be paying $4460. We pay $595 for double hang

What you do think. Is that a good price and good series?

Vincy - Homeowner - March, 2020

Website Editor's Answer

Vincy, the Okna 500 window is easily the better window over the Alside Ultramaxx. The $4460 is a great price compared to the $8K for the Alside option. The $595 for the double hung is a very fair price as well. This is a simple one for me — the best window for the lowest price! The Okna. How often does that happen?

Editor John - March, 2020

Vincy's Answer

Hello Jon, I also got a quote from Castle windows. This quote is for their high end window with a full warranty no limit transferable with the house.

They priced us with our Bow and double hang window with wood like interior, but virgin vinyl outside, as 8,990.

How do you compare this with OKNA windows?

Thank you.

Vincy - Homeowner - March, 2020

Website Editor's Answer

Vincy, Castle windows aren't up to par with Okna. Okna is a better vinyl window than most on the market. Plus it's the cheapest bid by a ton!

Editor John - March, 2020

Okna 500 vs Kensington Huntington

Okna 500 vs Kensington Huntington which would you pick?

Boris - Homeowner - September, 2019

Website Editor's Answer

Boris, I'd put the Okna 500 slightly over the Kensington Huntington model. The premium Kensington Quantuum 2 is better than the Okna 500, but for me I'd say the 500 is the better window over the Huntington. However, if this were my project, I'd switch from looking at the windows and to the installation company. This is where you will see the bigger difference over the small differences between these two very good windows.

Editor Jim R. - September, 2019

Okna 500DX Double Pane Bid

Considering the following bids for 19 DH plus one casement window:

Berkshire Elite Max Double Pane: $11,930
Okna 500DX Double Pane: $11,700
Berkshire Elite Triple Pane: $12,410
Okna 500DX Triple Pane: $13,600

Picking the Berkshire TP over the DP would appear to be a "no brainer" for the price difference. But if the choice is that vs. Okna 500DX DP, which would you recommend. I'm in CT on the shoreline where winters tend to be a bit milder so I'm thinkingTP may be overkill? Would Okna TP be worth additional $1,167 over Berkshire TP?

Bob - Homeowner - September, 2019

Website Editor's Answer

Bob, my picks would be the Okna 500dx, then the Okna triple pane. This is the better window over the Berkshire Elite. Triple Pane Windows Prices

Editor Jim R. - September, 2019

Okna Insultec vs. Soft-Lite Pro

I live in Virgina Beach, VA and I'm replacing 24 window. I have received the following quotes.

The following are triple pane.

1.Revelation Platinum Series/TG2 - $14,300

2. Revelation Berkshire Elite, Energy Star Glass Package - $12,580

3. Soft-Lite Pro, Ultimate Glass with Super Spacer - $14,700

Double Pane Window

4. Okna, Insultec, Deluxe Energy Saving Package, Heat Seal - $11,800.

Please comment.

Danny - Homeowner - September, 2018

Website Editor's Answer

Danny, my own take on your bids is that the best value there is the Okna 500 Insultec at $11.8K. I'm not sure your climate is severe enough to warrant the triple pane options, but obviously if you received that many bids on triple, either you think it does or the reps think it does.

The Soft-Lite Pro is the other window bid I like but obviously it's $3K more. I would be interested to see how they compare in either the double or triple pane. I'm thinking pretty close. If it were me, I'd go with the Okna with the Deluxe package. Great window, great price as well. In fact, that price is so good I'm almost a touch wary...sub $500 for the Okna 500 model is very aggressive pricing.

Editor Jim R. - September, 2018

Okna Insul-tec Deluxe vs. Sunrise Restorations

I have come down to three windows. (5 awning and 8 double-hung).

Soft-lite Pro $7245 for the 13 windows.

Restorations by Sunrise (Ultra U) $8700 for the 13 windows.

Insul-tec by OKNA Deluxe $9448 for the 13 windows.

Mark - Homeowner - March, 2018

Website Editor's Answer

Mark, let me first say that all of the windows you have quotes on are very good. The Sunrise Restorations is the best deal of the bunch. It's probably my second favorite vinyl window behind the Okna 800 series, which is better than the 500 Insultec series that you have a quote on. The Sunrise Restorations is fantastic.

Editor John M. - March, 2018

Okna 500 Series vs Vinylmax Edison

My house has 19 double hungs that are desperately in need of replacement. I took your advice and got three bids that are...

Okna 500 Series (Deluxe Glass): $8740

MI 4300 Series: $7756

Vinylmax Edison Series: $6560

Ned - Homeowner - November, 2017

Website Editor's Answer

Ned, I'm not a big fan of MI Windows so I would toss that bid if it were mine. The Vinylmax Edison is a decent window and that is a very competitive price for that window. However, the Okna 500 Deluxe is a fantastic window and the bid you are getting is very good. I would say that the Okna bid is the easy winner that you will be happy with for a long long time. Congrats! You wouldn't believe how many consumers get stuck with mediocre windows for more than you are spending.

Editor John M. - November, 2017

Okna Insultec vs. Reliabilt 3900

After many weeks of researching replacent vinyl windows, I've narrowed my choices to the Okna 500 Insul-Tec series, Reliabilit 3500 series and 3900 series. We're replacing 19 windows. The Okna and Reliabilt 3900's are only $400 apart. However the 3500's are 3K less.

Mark - January, 2016

Site Editor's Reply

Mark, I would say go with Okna Insultec, it's probably my number one pick for best vinyl windows out there. Reliabilt windows are the best of the "retail windows" - i.e. windows that consumers can buy off the shelf at HD or Lowes, but I've never heard any contractor claim that Reliabilt is a first tier window manufacturer (Reliabilt doesn't even make their own windows, they are simply a relabeled Atrium window.)

Unless the $3K is just too good to pass up, I'd say the Okna is the clear winner.

Jim R. - January, 2016