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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon532
    Verified window services reviews

Top-Rated Window pros in Lannon - Updated Nov 2026

Avatar for Weather Tight Corporation
Weather Tight Corporation
4.5(
545
)
New Windows - 6 +New Windows - 3-5New Window - Single+9 more

Serving Lannon, WI and surrounding areas

Approved

Super Service Award Winner

In business since 1986

Free estimates

Warranties offered

"Everything went very smoothly. Our installers were: Luke, Colin, Chris, and Hector. They were at our place from November 2-5. All of them were very polite. The game plan we were given at the outset of the project went exactly as proposed. There was one minor glitch with the bay window installment, but that was corrected on December 16th, and of course it was a superb job. Since the installment, we've been extremely happy with the appearance of the new windows. We will need to wait for spring to start opening and closing them. We can't wait...no more sticks to hold up the windows!! All in all, looking back at the research we did on new windows, eventually having Sam over to give his presentation, and ultimately choosing WeatherTight, we are very satisfied with our decision!! Thank you!!"
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+22

Response time12 hrs
Response rate100%
14 neighbors recently requested a quote
Avatar for B&K Glass and Door
B&K Glass and Door
5.0(
210
)
Window Glass - Install or Replace

Serving Lannon, WI and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Free estimates

Warranties offered

"Excellent contractor . Great to work with . B & K replaced the window glass in Five Thermopane windows. The window frames were still good so that is why I chose the glass replacement option. Cost, of course, is then far more reasonable. Our windows now are clear - no fogging anymore."
Calhoun Residence
Calhoun Residence
Calhoun Residence
Calhoun Residence
Calhoun Residence

+36

Response time5 hrs
Response rate86%
79 neighbors recently requested a quote
Avatar for HomeSealed Exteriors, LLC
HomeSealed Exteriors, LLC
4.8(
168
)
New Windows - 6 +New Windows - 3-5New Window - Single+9 more

Serving Lannon, WI and surrounding areas

Approved

In business since 2007

Free estimates

Warranties offered

"They did a great job for a several windows installation. They have a reasonable prices and the materials they used are excellent quality. The people they have are pro's and top notch and they cleaned up their mess."
Additional Photos
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+46

Response time1 day
106 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Mad City Windows & Baths
Mad City Windows & Baths
4.4(
838
)
New Windows - 6 +New Windows - 3-5New Windows - 2

Serving Lannon, 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
7982 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Squeegee Wonders
Squeegee Wonders
4.8(
31
)
Window Cleaning

Serving Lannon, WI and surrounding areas

Approved

In business since 2007

Free estimates

Customers say: Terrific value

"I have an older house with some "troublesome" windows. The gentleman did a thorough job of cleaning them. He also was very patient with some of the problem windows. I was very pleased with the care he took in putting screens and storms back in the window frame. I would recommend him highly."
Commercial Window Cleanin
Window Cleaning
Occasional Window Cleanin
Recommended by100%of homeowners
Avatar for Empire Home Remodeling, Inc.
Empire Home Remodeling, Inc.
4.7(
120
)
New Windows - 6 +New Windows - 3-5

Serving Lannon, WI and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"They really go after you for the sale but after the sale is made they really fall apart. I got an email that my windows were ordered over a week after I ordered them, and an email 5 or 5 weeks later saying they came in. It took them another month to install them. Nearly all the quotes I got were the same but Empire used ?sign now? tactics to get my sale. If I could go back I would not have signed for the small discount and I would have gone with another company offering the same price with no pressure. My windows are fine and the subcontractors that they sent to install them were friendly."
Asphalt Roof
Basement Hopper Windows
Bay & Bow Windows
Casement & Awning Windows
Concrete Driveway

+83

Response time1 day
160 neighbors recently requested a quote
Recommended by86%of homeowners
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Windows FAQs, answered by experts

Depending on material and size, costs range from $300 to $800 per window.

Impact windows are a type of window made with impact-resistant glass, designed specifically for hurricanes. The glass, treated with ethylene-vinyl, can withstand winds up to 200 mph, as well as flying debris. Brands sometimes test their impact windows with large missile impact tests.

Impact windows may be required in some places. For instance, the Florida Building Code requires homes to have impact-resistant windows if they live within a mile of the coast where wind speeds can reach 110 mph or more.

Egress windows require regular maintenance to ensure they function correctly. This includes cleaning the glass, inspecting the frame and well for debris, and making sure the cover or well drains properly. It is also important to check that the window sills and wells are watertight and to inspect and repair any damage to the window frame or seals to prevent leaks and maintain functionality.

Bay windows are not easy to install because they are heavy and require specific tools and woodworking experience. You’ll also need to install a roof cab, flashing, and shingles. Ensuring the window is level and sealed can be tricky but it is important because it prevents air leakage and water from entering your home. Most often, an experienced window pro should install bay windows.

Upgrade to double-glazed glass or apply energy-efficient coatings to reduce heat loss and utility costs.

The Lannon, WI homeowners’ guide to window services

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