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MI Windows and Doors

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LAST UPDATED: December 1st, 2022

MI Windows and Doors was founded in 1947, and the first plant opened in Pennsylvania in 1967. The founders of MI Windows and Doors focused on delivering the best product and serving the customers on the level that couldn’t be found anywhere else. Their mission simply states, “getting it right every time.” They strive to make homeowners happy with their choices, and help dealers feel great about products they are selling. Builders and architects take price in their projects. 


The Good

  • Time in Business 
  • Limited Lifetime Warranty 
  • Variety of Products 

Time in Business 

MI Windows and Doors has been in business for over 70 years. Over the years they have grown and expanded to all 50 states in United States of America. Full coverage of all 50 states gives you the ability to find MI Windows and Doors representative or contractor in your area if you need help with fixing any issues you might have with your installation or defective products. They have developed a brand that is trusted and recommended by a lot of their customers and professional builders. 

Limited Lifetime Warranty 

MI Windows and Doors offers limited lifetime warranty on most of the original purchased products. They will repair or replace any defect in materials or workmanship and will pay the costs of all parts and labor for as long as the purchaser owns his home.

Variety of Products  

MI Windows and Doors offers a large variety of product and services to their customers. With multiple options and styles you are guaranteed to find exactly what you are looking for. You can choose your doors based on the following categories: 

  • Door type 
  • Door series 
  • Door features 
  • Application 

Also, you have the option to request consultations and professionals to have you identify what you need in your home and what style will fit your taste the best. 


The Bad

  • Undisclosed Prices 
  • No Visualizer Feature 

Undisclosed Prices 

Unfortunately, MI Windows and Doors doesn’t disclose prices on their corporate website, making it difficult for potential customers to discern whether or not the company is a good fit for their needs. MI Windows and Doors first takes the time to evaluate your home and specific needs that you might have, and then recommends the payment plan for your project. 

No Visualizer Feature 

MI Windows and Doors doesn’t provide a visualizer feature like other windows companies do. Visualizer tool helps you to plan and to imagine how the new doors will look on your home.


The Bottom Line

MI Windows and Doors have been serving their customers for over 70 years. They have focused on providing quality products and a level of service that couldn’t be found anywhere else. Over the years they have grown a brand that is trusted by homeowners and professional builders. Currently they cover all 50 states, which allows the customers to find a dealer or consultant in their area. With a large variety of product and limited lifetime warranty you are guaranteed to find the product you are looking for. Unfortunately, MI Windows and Doors doesn’t disclose their prices online making it difficult for customers to decide if this company is the right fit for their budget. 

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MI Windows and Doors Frequently Asked Questions

Are MI Windows good quality?

MI windows are of excellent quality. With the latest technology in vinyl extrusion and fabrication, MI windows are extremely durable and can last for decades. MI ensures that its products hold up under stress through rigorous testing at its engineering facility. And thanks to state-of-the-art features like metal-reinforced meeting rails and multi-chambered mainframes, MI fabricates products that are extremely strong and long-lasting.

Are MI Windows decent?

MI makes windows that meet or exceed the standard for a good quality vinyl window suitable for new home construction or replacement window projects. As energy performance demands increase, MI has responded with superior, energy-efficient window and patio doors that meet stringent ENERGY STAR® requirements. All MI windows feature warm-edge spacer systems with options for gas-enhancement, Low-E glass, and other energy-efficient attributes. Consequently, MI windows will help keep your interior space comfortable regardless of the season. And MI manufactures durable, energy-efficient windows without sacrificing aesthetic quality. With multiple color and grid options, MI windows can complement any architectural style and interior design.

Who makes the best vinyl windows?

Thirty-four years after the company’s founding, MI began fabricating vinyl windows in 1981 and has been expanding ever since. With the addition of Milgard Windows & Doors to the company in 2019, MI has become one of the largest manufacturers of vinyl windows in the country. Between MI and Milgard, their products reach all 50 states and parts of Canada. Both companies’ windows and patio doors have become favorites of homeowners and builders due to their aesthetic appearance, overall performance, ease of use, and builder-friendly qualities.

What types of windows does MI make?

MI manufactures a huge selection of vinyl and aluminum windows: single-hung, double-hung, single-slider, double-slider, bay, bow, picture, casement, awning, and basement windows. Customers can order fin, flange, or finless frame windows designed specifically for replacement, remodeling, or new home construction projects. All MI windows feature a variety of complementary products to ensure you can purchase coordinating windows and doors that match the style of your home.

What does MI stand for?

The MI name reflects the company’s roots. MI began as a window-screening business that was named “Metal Industries” because of the metal screen frames it produced. Over time, the company’s name was shortened to MI as its primary business shifted to other building materials, primarily vinyl windows and patio doors. The company is no longer registered as “Metal Industries,” and is solely focused on window and door manufacturing. However, in recognition of its 75-year history, the company has maintained the MI name.

What is MI Windows’ warranty?

MI maintains a series of warranties depending on the type of product and the region in which the product was purchased. Homeowners can look up their specific warranty by visiting the company website and downloading the warranty document that applies to their product series.
Message from
MI Windows and Doors

Founded as a window-screening company in 1947, MI Windows and Doors has grown into one of the country’s largest manufacturers of vinyl and aluminum windows and doors. MI operates more than 10 manufacturing plants in seven states and employs over 5,500 team members from coast to coast, fabricating products that are available in all 50 states and parts of Canada.

Long recognized as an industry leader, MI produces some of the best vinyl windows and sliding glass doors on the market by focusing on five Quality Pillars – Safety, Integrity, Continuous Improvement, Creativity, and Partnerships.

Through stringent testing at its engineering facilities, MI fabricates durable and energy-efficient windows for every climate. This constant innovation has yielded an aesthetically desirable product line that is also builder and contractor-friendly.

MI’s windows and sliding glass doors are ideal for new construction, remodeling, renovation, and window replacement projects, and its multiple series of complementary products offer homeowners a wide array of aesthetically pleasing choices.

Whether they’re searching for single-hung, double-hung, slider, casement, awning, basement, or projection windows, or a product with a specialized design, customers will find what they need at MI.

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