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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%
77 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
103 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Empire Home Remodeling
Empire Home Remodeling
4.7(
90
)
New Windows - 3-5New Windows - 2New Windows - 6 ++7 more

Serving Lannon, WI and surrounding areas

Approved (Corporate)

In business since 2006

Free estimates

Warranties offered

"Mr Atkins was very knowledgeable about the windows that he was selling, very friendly. Mr Atkins was not pushing me to buy the windows which I like. Once again thank you for your professionalism. I look forward to getting my new windows installed! Kelly"
Before
After
Before
After
Before

+23

Response time2 days
Response rate100%
11 neighbors recently requested a quote
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
7731 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

"They were very pleasant and very meticulous. My windows have never been this clean. They cleaned the windows, screens and wiped out the window wells. Were there for a long time but cannot really complain as they provided a wonderful service!"
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
167 neighbors recently requested a quote
Recommended by86%of homeowners
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Windows FAQs, answered by experts

If you live in a colder region, consider installing double- or triple-pane windows with low-E coatings, which can trap heat and keep your house warm. In hot areas, windows with reflective coatings and insulated frames help keep cooling costs down. If you experience a lot of extreme weather, then impact-resistant glass might be a worthwhile investment. 

Windows can crack for various reasons. Common causes include aging glass, physical impact, and temperature stress. A less common reason is pressure changes, which are far less predictable. Pressure changes often happen because of poor window placement.

Insulating windows with plastic works, but it can be time-consuming, and the end results can—and often do—end up lacking in aesthetics. Window film and caulking your windows to make sure there are no drafts are two options that increase the energy efficiency of your home in a low-cost way. Plastic can be a good strategy while you consider alternatives.

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.

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.