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Avatar for Renewal by Andersen Lake Superior Region

Renewal by Andersen Lake Superior Region

5.00(
90
)
Approved Pro

Renewal by Andersen Lake Superior Region

5.00(
90
)
Approved Pro
Customers say: Quality work
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
34 years of experience

Renewal by Andersen of the Lake Superior Region is proud to serve the window replacement and patio door replacement needs of the Duluth, Superior, and surrounding north and south shore areas. We are the window replacement division of Andersen Windows, drawing on the Andersen tradition of over 110 years of quality, innovation and craftsmanship. Our turnkey process begins with a call from you and includes a respectful in-home sales consultation, custom-manufacturing of replacement windows to precisely fit your home and installation by a dedicated team of professionals. Best of all, we stand behind our products and installation with one of the strongest warranties in the window replacement business.

"Everything went well. There is a bit of a wait from the time of ordering/measuring, etc to the time of installation. Everyone we encountered in person or on the phone was very courteous, professional and helpful. Our installation team of Andy and Chris were exceptional. They kept us informed, did an amazing job and cleaned up everything at the end of each work day. We absolutely would highly recommend Heritage window and Door Company. The windows also are great!"

Walt P on February 2025

Renewal by Andersen of the Lake Superior Region is proud to serve the window replacement and patio door replacement needs of the Duluth, Superior, and surrounding north and south shore areas. We are the window replacement division of Andersen Windows, drawing on the Andersen tradition of over 110 years of quality, innovation and craftsmanship. Our turnkey process begins with a call from you and includes a respectful in-home sales consultation, custom-manufacturing of replacement windows to precisely fit your home and installation by a dedicated team of professionals. Best of all, we stand behind our products and installation with one of the strongest warranties in the window replacement business.

"Everything went well. There is a bit of a wait from the time of ordering/measuring, etc to the time of installation. Everyone we encountered in person or on the phone was very courteous, professional and helpful. Our installation team of Andy and Chris were exceptional. They kept us informed, did an amazing job and cleaned up everything at the end of each work day. We absolutely would highly recommend Heritage window and Door Company. The windows also are great!"

Walt P on February 2025


Avatar for Mad City Windows & Baths

Mad City Windows & Baths

4.74(
624
)
Approved Pro

Mad City Windows & Baths

4.74(
624
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
24 years of experience

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. Today, 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.

"High pressure sales person which ended up with a mismatch of the rest of my bathroom. They refuse to make it right. . I would recommend that you go with a different company. "

Karen P on November 2025

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. Today, 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.

"High pressure sales person which ended up with a mismatch of the rest of my bathroom. They refuse to make it right. . I would recommend that you go with a different company. "

Karen P on November 2025


Avatar for Alpine Builders

Alpine Builders

5.00(
8
)
Approved Pro

Alpine Builders

5.00(
8
)
Approved Pro
Customers say: Quick response
8 years of experience
Emergency services offered

Welcome to Alpine Builders! We are a small company looking to make lasting relationships and repeat customers. We take pride in the quality of work and personal service that we give each customer! We pay attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you!

"He did a great job of replacing my front porch steps. He replaced with Trex decking. My steps were a little out of position and now they are straight and look wonderful. There was a nest of wasps under my porch. He fogged under the porch because they were too far back. When I need something else done I will definitely use him again. He was prompt and kept me informed. "

Linda B on September 2025

Welcome to Alpine Builders! We are a small company looking to make lasting relationships and repeat customers. We take pride in the quality of work and personal service that we give each customer! We pay attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you!

"He did a great job of replacing my front porch steps. He replaced with Trex decking. My steps were a little out of position and now they are straight and look wonderful. There was a nest of wasps under my porch. He fogged under the porch because they were too far back. When I need something else done I will definitely use him again. He was prompt and kept me informed. "

Linda B on September 2025


" Renewal by Andersen of Wyoming did an incredible job with installing windows in our home. Thank you to the team who did the install and to the company for creating these exceptional windows."

Janita K on December 2025

Replacement Window Installation, Replacement Patio Door Installation, Replacement Entry Door Installation

" Renewal by Andersen of Wyoming did an incredible job with installing windows in our home. Thank you to the team who did the install and to the company for creating these exceptional windows."

Janita K on December 2025


Avatar for Window Concepts of Minnesota, Inc.

Window Concepts of Minnesota, Inc.

3.96(
46
)
Approved Pro

Window Concepts of Minnesota, Inc.

3.96(
46
)
Approved Pro
Customers say: Quality work
27 years of experience
Free onsite estimate

At Window Concepts of MN we have been family owned for over 25 years. We believe in developing long-term relationships with our clients. We want to be your go-to service for your current project and any others you may have in the future. We strive to offer the highest quality product and service.

"I do not recommend this company due to poor quality of product. - Jan 2023 bought 2 patio doors, 3 slider windows. Product that was installed in May included 2 cracked slider windows and all products had wrong color on interior. All needed to be replaced. - May 2023 bought additional 19 windows. After install in Oct 2023, 13 of the 19 had noted manufacturing defects requiring replacement in January 2024. After install of these replacements in January 2024, additional 7 had noted manufacturing defects requiring replacement in April 2024. At install of these latest replacements, 5 more had noted manufacturing defects requirement replacement (which has not yet happened) - June 2024 during rainstorm noted two of the window sets had significant water leaks. Company was advised with documentation on 6.4.2024; as of today 6.8.2024 company has yet to acknowledge my request for refund so I can re-replace the windows with a different company. Additionally several of the caulk lines were obviously done by a new employee, as I had to have the contractor installing new siding re-do those lines."

Katy V on June 2024

At Window Concepts of MN we have been family owned for over 25 years. We believe in developing long-term relationships with our clients. We want to be your go-to service for your current project and any others you may have in the future. We strive to offer the highest quality product and service.

"I do not recommend this company due to poor quality of product. - Jan 2023 bought 2 patio doors, 3 slider windows. Product that was installed in May included 2 cracked slider windows and all products had wrong color on interior. All needed to be replaced. - May 2023 bought additional 19 windows. After install in Oct 2023, 13 of the 19 had noted manufacturing defects requiring replacement in January 2024. After install of these replacements in January 2024, additional 7 had noted manufacturing defects requiring replacement in April 2024. At install of these latest replacements, 5 more had noted manufacturing defects requirement replacement (which has not yet happened) - June 2024 during rainstorm noted two of the window sets had significant water leaks. Company was advised with documentation on 6.4.2024; as of today 6.8.2024 company has yet to acknowledge my request for refund so I can re-replace the windows with a different company. Additionally several of the caulk lines were obviously done by a new employee, as I had to have the contractor installing new siding re-do those lines."

Katy V on June 2024


Avatar for Clear Choice Property Solutions

Clear Choice Property Solutions

5.00(
1
)
Approved Pro

Clear Choice Property Solutions

5.00(
1
)
Approved Pro
Free onsite estimate

Clear Choice Property Solutions is a professional home improvement company that takes pride in its work. We strive to provide great service and quality for a fair price. Excellent communication and great service is as important to us , as it is to you.

"simply awesome, pro through & through! Dean and his crew listened to my needs, gave expert advice, and in the long run saved me a lot of money & grief. I couldn?t have asked for a better experience, thank you Clear Choice!"

Tom K on August 2025

Clear Choice Property Solutions is a professional home improvement company that takes pride in its work. We strive to provide great service and quality for a fair price. Excellent communication and great service is as important to us , as it is to you.

"simply awesome, pro through & through! Dean and his crew listened to my needs, gave expert advice, and in the long run saved me a lot of money & grief. I couldn?t have asked for a better experience, thank you Clear Choice!"

Tom K on August 2025



Champion Windows of Duluth

New on AngiNew on Angi
Approved Pro

Champion Windows of Duluth

New on AngiNew on Angi
Approved Pro
72 years of experience
Free onsite estimate

With over six decades of experience and expertise, Champion Windows and Home Exteriors is one of the nation's leading home improvement companies. Champion transforms homes with premium-quality products that are designed, built, installed, and guaranteed by Champion. Every product the company offers - from new windows and sunrooms, to siding and entry doors - is built right here in the USA, backed by industry-leading limited lifetime warranties, and comes recommended by more than 9 out of 10 recent Champion customers. ***Please use this link to schedule an appointment https://www.championwindow.com/book-now

With over six decades of experience and expertise, Champion Windows and Home Exteriors is one of the nation's leading home improvement companies. Champion transforms homes with premium-quality products that are designed, built, installed, and guaranteed by Champion. Every product the company offers - from new windows and sunrooms, to siding and entry doors - is built right here in the USA, backed by industry-leading limited lifetime warranties, and comes recommended by more than 9 out of 10 recent Champion customers. ***Please use this link to schedule an appointment https://www.championwindow.com/book-now


Avatar for Ledgerock Builders, LLC

Ledgerock Builders, LLC

New on AngiNew on Angi
Approved Pro

Ledgerock Builders, LLC

New on AngiNew on Angi
Approved Pro
4 years of experience
Free onsite estimate

LEDGEROCK BUILDERS LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

LEDGEROCK BUILDERS LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.


Avatar for Sentri Homes

Sentri Homes

New on AngiNew on Angi
Approved Pro

Sentri Homes

New on AngiNew on Angi
Approved Pro
2 years of experience
Free onsite estimate

Sentri Homes is a full-service contractor delivering high-end home additions, whole-home remodels, new custom builds, luxury kitchens, structural framing, roof replacements, and every major renovation. We assign a dedicated project manager to every job, deliver meticulous craftsmanship with clear communication, and back our work with an industry-leading warranty to ensure complete peace of mind on your largest investments. Our in-house team of licensed builders and master craftsmen consistently earns 5-star reviews by turning big visions into stunning, high-value homes—when you need one trusted partner who truly does it all, we’re the proven choice.

Sentri Homes is a full-service contractor delivering high-end home additions, whole-home remodels, new custom builds, luxury kitchens, structural framing, roof replacements, and every major renovation. We assign a dedicated project manager to every job, deliver meticulous craftsmanship with clear communication, and back our work with an industry-leading warranty to ensure complete peace of mind on your largest investments. Our in-house team of licensed builders and master craftsmen consistently earns 5-star reviews by turning big visions into stunning, high-value homes—when you need one trusted partner who truly does it all, we’re the proven choice.

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FAQs for glass block window service projects in Duluth, MN

If you have a problem with your window, such as broken glass, minor leaks, or a problem with your window being stuck, repairing the broken part might be a cheaper option than replacing the entire window. However, if you have a deteriorating window frame or major leaks, buying a new window will be the better long-term solution.

Installing glass block windows has benefits and disadvantages, as with most materials. The pros and cons can vary depending on the type of glass block and the window location.

Pros

  • Maintains privacy while letting light into the bathroom

  • Energy efficient

  • Sealed to prevent drafts

  • Aesthetically pleasing

  • Strong and secure

Cons

  • Costly to install

  • Challenging installation

  • Challenging repair

Window replacement costs between $180 and $410 per window, or an average of $280 per window. However, your specific replacement job could cost as little as $100 or as much as $750. Factors such as frame material, the number of windows you need, and the type of glass you order all impact the overall cost. For example, simple double-glazed windows will cost $3 to $6 per square foot, but the stronger tempered glass ranges from $12 to $14 per square foot.

Glass block installation can be relatively expensive due to the range of material costs and the labor time to assemble this type of specialty window. The process proceeds slowly as the glass does not absorb moisture from mortar and silicone caulk takes longer to harden, leaving spacers to hold up the structure until the caulk or mortar begins to cure. Plus, if your current windows have structural issues or damage, you’ll need to repair them before beginning the project, increasing your bottom line. 

The average cost to install glass block windows is about $710, ranging from $460 to $1,000, depending on the size and design of the window, installation type, and location. Different styles of glass blocks also impact the cost:

  • Clear glass blocks: $10–$30 per block

  • Colored glass blocks: $25–$40 per block

  • Acrylic glass blocks: $15–$25 per block

  • Wavy glass blocks: $10–$30 per block

  • Alpha glass blocks: $15–$25 per block

  • Ice glass blocks: $20–$35 per block

  • Diamond glass blocks: $20–$75 per block

  • Frosted glass blocks: $30–$35 per block

The Duluth, MN homeowners’ guide to glass block window services

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