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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
7569 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 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 Affordable Home Remodeling
Affordable Home Remodeling
4.0(
83
)
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%
208 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
487 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
20 neighbors recently requested a quote
Recommended by88%of homeowners
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Windows FAQs, answered by experts

A window may fail because of age, defective mechanisms, or moisture. Depending on the issue, the window may be fixed with simple repairs. Otherwise, you’ll have to invest in replacing it. You can avoid damaged windows but keeping up with window maintenance.   

Wood windows are often worth the cost because they add more to curb appeal and your home value than more affordable options like vinyl and aluminum. Wood windows also offer better insulation than vinyl and aluminum windows, and they can last about twice as long. As such, they’re more expensive up front but offer greater value and a higher ROI.

Whether or not you need permission to change the windows in your house depends on your local laws. If you’re enlarging an opening or installing a new window and need to make structural changes to the house, you’ll need a permit. In most locations, you won’t need permission if you’re just replacing a window with another window of the same size. The window installation company you work with will be able to help you navigate any planning permits you may need.

The best homemade cleaning solution for windows is one gallon of warm, distilled or bottled water mixed with five to ten drops of liquid dish soap. This is what professional window cleaners typically use when they make their cleaning solutions. Using bottled or distilled water will help avoid hard water stains after cleaning, and the soap will cut through grease, smudges, and debris on your glass.

Glass block windows aren’t fire hazards; fire-rated glass block windows can increase your home’s fire safety. Modern glass blocks are made with materials that can resist high temperatures and prevent fire spread. Most offer a 45-minute fire rating, while some increase it to two hours. Compared to the typical 20 to 90 minute rating for a double-pane window, glass block can increase your home’s safety in the event of a fire.

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.