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Top-Rated Window and door contractors in Bertha - Updated Nov 2026

Avatar for Dalet Doors
Dalet Doors
5.0(
8
)
Doors (Exterior) - Install or ReplaceDoors (Interior) - Install or ReplaceSliding Door - Install+1 more

Serving Bertha, MN and surrounding areas

Approved

Free estimates

Warranties offered

"Dalet Doors built us a 12x12 deck with a landing pad and two ramps. Erik and Zac did a great job and were really helpful with the design and figuring out what would work best for us. Everything turned out great and we?re very happy with the finished deck. They were easy to work with, did quality work, and provided great customer service. Would definitely recommend them!"
Double Patio Door Install
Front Double Door install
Larson Platinum Security Screen
Front Entry Door
1 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 Bertha, MN and surrounding areas

Approved

Super Service Award Winner

In business since 2001

Free estimates

Warranties offered

"This company has excellent windows, doors, and service. The installers did a fantastic job with installation and clean up. I would highly recommend this company to anyone!"
windows
siding
siding
siding
windows

+20

Response time10 mins
7569 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for American Waterworks
American Waterworks
4.5(
173
)
Egress Window - InstallWindow Well Covers - Install or Repair

Serving Bertha, MN and surrounding areas

Approved

In business since 1989

Free estimates

Warranties offered

"Don't need to know anything. The workmen will answer any questions eagerly. My project was not major (level my personal front sidewalk from the City's to my door) and only took 1 hour. These guys said they can work several projects a day, but some things like lifting and doing substantial things like driveways will take most of the day."
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
Charles Christensen Jr. Construction
4.4(
21
)
Doors (Exterior) - Install or ReplaceDoors (Interior) - Install or ReplaceStorm Door - Install

Serving Bertha, MN and surrounding areas

Approved

In business since 2010

Free estimates

Customers say: Quality work

"Besides the unforeseen delays with this project it was done when time permitted as we were not in a big hurry. Quality is great and now can enjoy the deck."
Response time2 days
6 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for DaBella - Fargo (Roofing/Windows)
DaBella - Fargo (Roofing/Windows)
3.5(
865
)
New Windows - 3-5New Windows - 6 +

Serving Bertha, MN and surrounding areas

Approved (Corporate)

In business since 2011

Free estimates

Warranties offered

"We got our windows done by Dabella this winter. We went with the triple pane windows and couldn't be happier with our decision. There were many color/design options and we got exactly what I was looking for. I appreciated the Dabella salesman's design/professional recommendations and walking us through each step of the process. For example, he recommended the kitchen window open up and down instead of left and right which it was before. I can see our backyard instead of a wooden bar while doing dishes now. I noticed a huge difference in the quality and look compared to our old windows. When I first came home after the install, I literally said “I can see out of our windows so well!” I didn't even realize how bad our old windows were until that moment. Our energy bill has gone down over $100 a month since the install. Besides the savings, our house feels so much better. It feels cool on hot days and warm & cozy on cold days. This is even with our curtains wide open to get natural light"
Baths
Baths
Baths
windows
windows

+14

7 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Your Home Improvement Company
Your Home Improvement Company
3.5(
148
)
New Windows - 6 +New Windows - 3-5

Serving Bertha, MN and surrounding areas

Approved (Corporate)

In business since 2004

Free estimates

Credit card accepted

"I had new windows put in last year, the installer was awesome and my windows did a great job keeping the cold out and the noise. Really recommend this company!"
Tub/Shower
Photo Gallery
Photo Gallery
Photo Gallery
Photo Gallery

+8

Response time10 mins
51 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Mad City Windows & Bath - Roseville, MN
Mad City Windows & Bath - Roseville, MN
New to Angi
New Windows - 2New Windows - 3-5

Serving Bertha, MN and surrounding areas

Approved

In business since 2001

Free estimates

Warranties offered

To learn about Mad City Windows and its history, you need to start back in 1998 when our family-owned company first opened its doors and changed the face of home remodeling in Wisconsin. From the beginning, our business has been built on a foundation of friendship and trust and, in return, local homeowners have come to know they can place their trust in us. In order make certain that we consistently earn that trust, we are dedicated to ensuring the expert, seamless delivery of high-quality products and remodeling solutions to homeowners throughout our service area. \n \nToday, we expand our home remodeling expertise across Wisconsin, Minnesota, Iowa and Illinois. With over 50,000 completed projects, we take our 2+ decades of experience to serve the communities of Minnesota, Iowa and Illinois. They can expect our highest standard of service and professionalism.

Testimonial Letter(s)
Home Exterior + Bath
Home Exterior + Bath
Home Exterior + Bath
Home Exterior + Bath

+19

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Window Door Contractors FAQs, answered by experts

The screen material you choose depends on your needs. Here are some differences to consider:

  • Fiberglass is the least expensive but needs replacing more often.

  • Aluminum suits almost any job and doesn’t stretch as easily as fiberglass. 

  • Pet-resistant screens are more expensive than fiberglass or aluminum, but they’re also wind and weather-resistant. 

  • Metal screens, like stainless steel, are the most expensive material for rescreening your porch or sunroom. However, they last for years and are golf ball-resistant.  

There are different types of screen materials available when purchasing a screen door, but the two main options are fiberglass and aluminum. Fiberglass is lightweight and affordable, but can stretch out, so it needs to be replaced more often. Aluminum has a higher upfront cost, but is more sturdy. Aluminum can be more difficult to install, even if you know how to replace screen door mesh.

Professionals ensure repairs not only fix current problems but also prevent future issues, improving efficiency and aesthetics.

The cost ultimately depends on size, but roughly, the most popular screen materials will set you back anywhere from around $0.25 to over $25 per square foot. Fiberglass and aluminum are usually less expensive at around $0.25 to $0.70 per square foot. Solar screens cost about $7.50 to $15 per square foot, while security screens range from around $10 to $25 per square foot.

The average cost to repair a window is about $400, with prices typically ranging from $175 to $1,500. The final cost is influenced by several factors, including:

  • Number of Panes: Single-pane repairs average around $200, double-pane repairs range from $200 to $400, and triple-pane repairs can cost $600 to $1,100.

  • Type of Repair: Minor fixes for a track, seal, or sash are more affordable than repairs for broken glass or window frames, which are typically the most expensive.

  • Window Details: The size, type, and material of the window affect the price.

  • Accessibility: Windows on upper floors or in hard-to-reach locations may increase labor costs.

  • Other Factors: The extent of the damage, local labor rates, and the need for emergency service will also impact the total cost.

For comparison, a full window replacement can range from $175 to $1,800 or more for high-end materials or large windows like bay or bow windows.

The Bertha, MN homeowners’ guide to window and door contracting services

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