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THEBCO Windows And Doors Intro
THEBCO Windows, Doors & Siding is a Madison, Wisconsin based home improvement company that has been in business since 1976. As the name indicates, THEBCO offers replacement windows, doors, and siding installation within the state of Wisconsin. Generally, the company gets very impressive consumer reviews on many of the top review sites like Google local. Explore all of our THEBCO Windows reviews and costs on this Wisconsin based installation company.
Overall Rating: THEBCO Windows And Doors get a out of 5 stars based on 6 consumer reviews below.
My Take On This Company: Are THEBCO Windows Any Good? Yes, the window that the company sells is very good. In fact, the Restorations series is one of the best as far as I am concerned. Additionally, the company gets very good consumer reviews so yes get a bid from THEBCO Windows, Doors, And Siding.
(Always Get 3 to 4 Local Price Quotes - And My Personal Advice)
Dane - Site Editor - Original Publish Date - February 21, 2024
Page Last Update: February 24, 2026
Page Sections
- THEBCO Company Introduction
- Window And Door Brands They Install
- Customer Warranty Information
- Homeowner THEBCO Windows Reviews
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What They Sell
THEBCO sells and installs the Sunrise Restorations series, which is considered a top performer. Reinforced with fibercore on both the meeting rail and the vertical sash, the Restorations features a Max Edge spacer and foam filled chambers. The frame and sash are fairly narrow, which gives the window a nice slender and clean look. The window incorporates a clever tilt sash mechanism and comes standard with a high transparency screen. In addition, consumers will be impressed by the high quality frame finish.
In terms of doors, the company carries and installs Waudena Entry Doors, Timberline and Novus fiberglass doors, and Valueline and TruGrain steel doors. On the siding front, THEBCO offers three brand options, which includes Ascend, Everlast and Mastic.
Customer Warranty Information
What is the THEBCO window warranty terms? This section is coming soon.
Homeowner Thebco Windows Reviews
Explore our homeowner question and answer section on any and all issues arising over Thebco Windows, Doors, And Siding. Additionally, if you have a review to share with us (any other homeowners considering this company), we'd love to hear from you.
Dane - Site Editor
Bob's Windows vs THEBCO
Dane — a decade ago, we replaced all of the double-hung windows in our home with Sunrise Windows purchased through a local installer (Bob’s Windows). The only original window left is a large bow window, and we’re now ready to replace it. Since I had done quite a bit of research back then, I reached back out to a couple of the companies I previously worked with.
I’m still waiting on one additional quote, but the two leading contenders so far are the company we originally used and Thebco out of Madison, WI, which exclusively carries Restorations windows. This has left me comparing two Sunrise product lines. Here’s the pricing I’ve received:
Sunrise V4500 5-lite bow window — $12.65K
Restorations 5-lite bow window — $14.68K
Restorations 5-lite bow window (triple pane glass) — $15.67K
A third company I’m considering recently changed suppliers. They previously offered Lindsay Windows Healthy series and had quoted $6,585 for that product. They’ve since switched to the ProVia Endure series, and I’m waiting on updated pricing for that option.
A few questions for you:
What is the V4500 called in Sunrise’s older naming system? Is it equivalent to the Vanguard, Verde, or something else? Also, all of our existing windows are double pane. Would upgrading just this large bow window to triple pane be excessive?
Don - Homeowner - from 2026
Editor Reply
Don, that's a huge difference in price from the Lindsay to the Sunrise Restorations. A much better comparison would be the Lindsay Pinnacle series - however, the even better comparison would be the Sunrise Restorations and the ProVia Endure window. These are two really good heavy hitters. This is the price comparison that I would wait to see.
As to your questions, the V4500 is the Sunrise standard or classic window. The Vanguard, Verde, and Restorations use the same frame etc, but each series includes several nice upgrades from the V4500. As to double pane vs triple pane windows, it really depends on where you live. In very cold climates the upgrade is worth it. Everywhere in the U.S. I think a quality double pane IGU is just fine.
Dane - Site Editor - from 2026
Thebco Windows Reviews
Hey there Dane. I was hoping you could shed some light on a Wisconsin company that gave us a quote recently their name is Thebco, and they carry what they call the Restorations window. According to the guy who gave us the bid, the Restorations is one of the best vinyl windows on the market. Is this true or snake oil salesman?
Sheila - Homeowner - from 2024
[Site Editor's Answer]
Sheila, the Sunrise Restorations window is one of the best windows on the market in the vinyl frame space. I hear good things about Thebco, and they certainly carry a very good window. Now, this doesn’t mean that I would take their bid and sign a work order today.
Instead, I would collect a few more bids and see what other windows are available, and what other companies in your area would charge in order to see how this compares to Thebco. I am certainly happy to look through the bids with you and to give you some unbiased advice as to the best bang for your book. Send me the bids or the summaries of the bids and let’s take it from there.
Dane - Site Editor - from 2024
THEBCO Windows Cost
Hi Dane: I contacted the local dealer here for Sunrise windows and got a bid on their Restoration line of windows. It seems more reasonable, though still really expensive, but I think we're getting way more window for the dollar. They're running a special that expires on 10/31, so we have to act quickly if we want the deal.
I'd be grateful if you could give me your take on their estimate. It's from a company called Thebco; they've been in business here in Madison, WI for 48 years, and have a 4.8/5 rating on Google and people seem to LOVE their installers. All they do is windows, doors, and siding. Reminder, we have 14 double casements, 2 single casement, and 2 oversize sliding glass doors.
Their base bid is $38,657 (normally $42,907) for R-7 triple pane AR-90, U factor 0.21 Low E glass. This price is actually about the same price as their regular price for double pane. Add $5,520 for full-frame installation, which is what we'll have done, and it includes the wood laminate on the interior of the windows and solid wood trim (oak for the dark windows, poplar for the 2 white windows). If we want both sides of the casements to open, it's about another $5733, which brings us to $49,990.
We're eligible for a $2,000 voucher, and 5% off if we pay in cash upon completion of the job, bringing the cost down to $45,590. I think we're gonna get SolarClear self-cleaning glass for another $750 ($25/single casement, $50/double casement), and 2 foot locks for the doors ($65 each), bringing us to $46,470.
I think for 4 of the double casements, we will have only one side open, which will save us about $400/window (subtract another $1,600) so the grand total, including a lifetime transferable warranty on the windows, hardware, and installation, is about $44,870. It seems that when comparing most statistics, Restoration beats Renewal by Andersen, and the Sunrise windows are triple pane vs. double pane for RBA. The Renewal By Andersen prices bid, again, was about $59,000 and doesn't include the Solar Clean glass or a lifetime warranty.
Here are some stats: Sunrise Restoration U-factor is 0.21 vs. 0.24 for RBA
Sunrise Restoration SHGC is 0.20 vs. 0.27
UV rays blocked is close, SR is 96% vs. 95% for RBA
Air infiltration rating for SR is 0.01; not sure about RBA, but it's gotta be way higher.
One thing that concerns me, though, is that the Visible Transmittance is 38% for Sunrise and 65% for RBA, so are the Sunrise windows going to be a lot darker?
So what's your assessment of this bid? Do I need to worry about the 38% vs. 64% VT ratings? If the prices were the same between SR and RBA, I think I'd still go with Sunrise even though it's vinyl on the outside (but fiberglass reinforced and UltraCore insulated) over the RBA composite because of the Sunrise lifetime transferable warranty and the stats are better for Sunrise vs RBA in every area except VT.
I was certainly hoping for something closer to $40,000, but we are getting triple pane glass with Sunrise. Any suggestions on how to get a lower price? I'll certainly ask Thebco if there's anything else they can do on the price. Again, I'd really appreciate your insights, Dane. I found you through googling Thebco Windows Reviews and I'm glad I did. Thanks so much.
Marc - Homeowner - from 2020
[Website Editor Answers]
Marc, the bid is seeming less high to me now that I'm looking at it more closely. Double casements are expensive, as is triple pane, the wood laminate, new construction installation etc. The Restoration is a great window. The AI for the RBA window is probably something like .11 on the casement.
As far as the VT, 38 is low I will say. It's all a function of the glass, so you should talk to the Sunrise dealer on glass options. Some people have an issue with a darker glass and others do not. I'd spend some time talking to the rep about glass packages and see if he has a way to show you what you'll be getting before the install date.
In terms of getting the bid down, if you're willing to gamble and tell him that you love his product, but you can't go above $40K and tell him to call you when he can make that work...that's probably your best bet. Let him know you are flexible on the install date...if that's true.
The issue we're dealing with is that top window companies are having to turn down work because everyone is going after these home improvement projects right now. We are going into winter so things slow down there. Overall, great window in the Sunrise Restoration line and lots of upgrades and options in that mix.
Dane - Website Editor - from 2020
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