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Top-Rated Window pros in Ontario - Updated Nov 2026

Avatar for Mad City Windows & Baths
Mad City Windows & Baths
4.4(
838
)
New Windows - 6 +New Windows - 3-5New Windows - 2

Serving Ontario, WI and surrounding areas

Approved

Super Service Award Winner

In business since 2001

Free estimates

Warranties offered

"The installers were wonderful. Friendly, knowledgeable, fast and CLEAN! Youâ d barely know theyâ d been there!. And our sales person really helped us understand the best, but not most expensive windows for our house. If I need more windows they will be back!"
windows
siding
siding
siding
windows

+20

Response time10 mins
7661 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for SparkleWash of the Tri-State Valley, LLC
SparkleWash of the Tri-State Valley, LLC
4.9(
15
)
Window Cleaning

Serving Ontario, WI and surrounding areas

Approved

In business since 1996

Free estimates

Customers say: Quality work

With over 22 years of experience serving the Iowa area, SparkleWash of the Tri-State Valley, LLC, is your POWER WASHING solution for all your needs. We take great pride in our extreme professionalism, timeliness and superior customer service on every job. We make sure to develop a lasting relationship so that the next time service is needed there will be no question on who to call. Satisfaction guaranteed!

Stone Church Restoration
Roof Washing
Roof Washing
Vinyl Siding Washing
Stucco Siding Washing

+1

Response time1 day
Response rate87%
Recommended by100%of homeowners
Avatar for Affordable Home Remodeling
Affordable Home Remodeling
4.0(
82
)
New Windows - 6 +New Windows - 3-5New Window - Single+2 more

Serving Ontario, WI and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Extremely happy with my new windows! I purchased this house in 2019 and the original windows from when the house was first built in the 1960s were still on. They were thin and cracked with rotting wood all around and Right Choice did a great job replacing them. Iâ m saving a huge amount on my electric bill as well!"
Response time1 day
Response rate97%
201 neighbors recently requested a quote
Avatar for Enchanted Cleaning
Enchanted Cleaning
5.0(
6
)
Window Cleaning

Serving Ontario, WI and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

"Freddie and his helpers made the windows of this old house shine! They were undaunted by our 2-story house with its old-styled combination windows and the sheer number of windows and panes. They took such care with the window imperfections that made removing them a challenge. I appreciated Freddie’s calm and confident approach to guiding his team and solving problems. I also appreciated his on-site preliminary inspection and costing out the job. He could accommodate my schedule and kept the Communication going over the 1 & 1-2 day job. I also liked the thoroughness in inspecting the work that was done at the end both days, and especially the final day. Freddie and his crew were friendly and I enjoyed meeting them. Coming downstairs this morning to see clean windows felt a bit like Christmas! I recommend them enthusiastically!"
US Cellular
US Cellular
Chinese buffet
Deep clean
Deep clean

+4

1 neighbors recently requested a quote
Avatar for Dimensional Contractors LLC
Dimensional Contractors LLC
5.0(
3
)
New Windows - 6 +Egress Window - InstallNew Windows - 2+4 more

Serving Ontario, WI and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

We are a locally owned and operated company that values honesty and integrity, and \ntreats your home as if it were our own. We specialize in Vinyl Replacement Windows, \nDoor Installation and Repair, as well as Vinyl Siding. Our services are customized to the individual project, paying close attention to the details of each project that were involved with. We look forward to building long-term relationships with our clients and guarantee your satisfaction!

My jobs
My jobs
My jobs
My jobs
My jobs

+23

Response time1 day
11 neighbors recently requested a quote
Recommended by66%of homeowners
Avatar for Pella Windows & Doors
Pella Windows & Doors
3.8(
6
)
New Windows - 2New Windows - 2 - For Business

Serving Ontario, WI and surrounding areas

Approved

In business since 1986

Free estimates

Credit card accepted

Serving NE, IA, and La Crosse WI area Pella Windows & Doors, is your solution for all of your window and door needs. We take great pride in our extreme professionalism, timeliness and superior customer service on every job. We make sure to develop a lasting relationship so that the next time service is needed there will be no question on who to call. Check out our reviews from satisfied clients. Give us a call today, so we can answer all of your questions. Satisfaction guaranteed!

Response time3 days
Recommended by60%of homeowners
Avatar for American Waterworks
American Waterworks
4.5(
173
)
Egress Window - InstallWindow Well Covers - Install or Repair

Serving Ontario, WI and surrounding areas

Approved

In business since 1989

Free estimates

Warranties offered

"Our project was actually a crawlspace encapsulation. We have a lake cabin that was built in the 1960's. It had a dirt floor in the crawlspace with bare block masonry foundation walls. It also had old, damp batt insulation that was falling down from the joist spaces. American Waterworks came in, removed the old insulation (a nasty job!), laid down a 2 layer moisture barrier system and spray foamed the foundation walls and rim joist area. I can't believe what a difference this has made to our air quality, much warmer floors. We used to have to wipe down the windows every morning during the winter because of condensation. Not any more! I would highly recommend this company if you have the same needs!!"
Another Sinking Floor
Dirt Crawlspace in Elk Mound, WI
Concrete stoop had sunk over 6 inches
Foundation Failure Signs
Increased Efficiency of Crawlspace in Elk Mound

+156

Response time4 hrs
499 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Tri-State Basement Repair and Waterproofing, LLC
Tri-State Basement Repair and Waterproofing, LLC
3.2(
50
)
Egress Window - Install

Serving Ontario, WI and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"They did a great job with the egress window. It was done well. What I was not happy with is the amount of debris left behind from the old egress and workers."
Response time6 days
21 neighbors recently requested a quote
Recommended by88%of homeowners
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Windows FAQs, answered by experts

Impact windows can last between 10 and 40 years, depending on how much wear and tear they receive. This is roughly within the range for standard windows; standard windows tend to last between 15 and 50 years. You can extend your windows’ lifespans by performing regular maintenance on them and ensuring they are installed correctly.

Yes, you absolutely need a permit to add a window to your house. Your contractor can likely obtain this permit on your behalf. Ask about this when getting quotes from multiple window contractors.

Window screens are available in several standard sizes. Common dimensions include 24 to 36 inches wide by 36 to 48 inches tall, as well as sizes like 18 by 14 inches and 20 by 20 inches. These often correspond to standard window sizes, such as 2 feet wide by 3 feet tall or 4 feet wide by 6 feet tall. Screens are also sold in replacement rolls to accommodate various dimensions. It is always best to measure your windows for accuracy before a repair or replacement. If your windows are a non-standard size, you will likely need to order custom screens, which can increase the cost. However, a screen does not necessarily have to fit the entire window, so you may be able to use a standard-size screen even if your window is slightly larger.

Sometimes, you can buy windows directly from the manufacturer, and it may be cheaper than buying through a third party or wholesaler. Manufacturers may also offer more options, including custom shapes and features, or better warranties if you purchase through them directly. 

However, some companies limit the ability to buy from them, especially if you need standard pre-fabricated sizes, so don’t expect this service from every manufacturer.

Replacing window glass instead of the entire window is more cost-effective, maintains the frame's aesthetics, and reduces waste. It improves insulation and energy efficiency and can be completed more quickly with minimal disruption to the home.

The Ontario, WI homeowners’ guide to window services

From average costs to expert advice, get all the answers you need to get your job done.