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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%
11 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 Windows - 2+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
101 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
8319 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
170 neighbors recently requested a quote
Recommended by86%of homeowners
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Showing 1-10 of 353
Windows FAQs, answered by experts

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.

Glazing is always done from the outside of the window, while the inside doesn’t require any glazing. This is because the main purpose of glazing is to create a weather-tight seal where the glass meets the frame, protecting against drafts and moisture. Since the exterior is exposed to the elements, that’s the side that needs the weatherproofing.

Windows may need to be replaced after a hurricane if they’re severely damaged. For example, if you have windows with blown-out glass and a cracked frame, they will need to be replaced. It’s a similar story if you have windows with noticeable water damage. However, if your window pane has small cracks but the frame is still in good condition, you may be able to repair the window.

There are many standard window sizes. The most common windows, single or double-hung models, typically range from 2-feet by 3-feet up to 4-feet by 6-feet. Of course, sliding windows will be wider than they are tall, though the standard sizing follows the same measurements.

It’s time to replace your windows if most or many are in poor shape. In that case, new fiberglass windows will increase the energy efficiency of your home and add to its overall visual appeal, inside and out. Replacing your windows also can allow you to find a style that better suits the character of your home.

Constant fixes can be expensive over time, and by replacing your windows, you can be at ease knowing you now have windows that function properly and make your home more energy-efficient.

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.