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Mi Windows and Doors Dealer

Room scene with MI windows

Lancaster County’s Qualified Mi Windows and Doors Dealer

As your local qualified Mi windows dealer we are more than just a window dealer, we provide high quality service to help you find what you need. We also sell and deliver Mi windows to customers within a two-hour radius of Lancaster PA, including Maryland and Delaware. Our premium window and door offerings for Mi include energy-efficient products as well as a variety of materials, styles, glass, and price ranges. Give us a call or stop by our windows and doors showroom.

Authorized MI Windows Dealer logoAuthorized
Mi Windows DealerGR Mitchell
14 Beaver Valley Pike
Willow Street, PA 17584

717-464-2999

Winter Store Hours:
Mon – Fri: 7am – 7pm

Saturday: 7am – 5pm
Sunday: 10am – 3pm

Why Mi Windows?

Mi windows is one of the nation’s largest suppliers of windows for replacement, remodeling, and construction projects. Mi is nationwide in scope, and yet they are able to focus regionally with strategically placed manufacturing facilities throughout the country. Each facility focuses on designing products for their specific market.

With only a single exception, all Mi windows and doors are assembled in the USA. Mi is committed to helping our country prosper and grow and they value products that are “Made in the USA.

Window and Door Features and Styles

Mi’s entire approach to business is precision and you can see it in the quality of their products and engineering.

Blinds-Between-The-Glass
The unique Binds-Between-the-Glass option makes lowering and raising blinds simple and intuitive, offering a quality solution for sliding glass doors. Sealed between the insulated glass unit, these blinds have a longer lifespan than standard blinds and completely eliminate the need for dusting.

Variety of Color Options
Mi Windows and Doors include a variety of color options for both interior and exterior designs to suit nearly every home. Our painted exteriors provide outstanding coverage and durability with trusted long-term performance. Oven-baked application prevents cracking, peeling, fading and blistering while resisting abrasion from impact. Our distinctive color options are designed to improve curb appeal.

Constant-Force Coil-Balance System
Mi’s state-of-the art coil-balance system features stainless steel springs that are coated to lower friction and resist corrosion resulting in quieter operation and lower operating force. Each balance is made with extreme precision from robotic engineering. This system has been used in homes for over 20 years with its strength and versatility.

Duralite® Spacer System
The innovative Duralite spacer system is 88% less conductive than metal spacers and comes preassembled with an air-filled polycarbonate shim, three-sided continuous moisture barrier, butyl sealant, and desiccated topcoat. The non-metal pieces offer consistent long-term performance by using a unique composite laminating technology. This system enhances comfort and thermal performance, improves argon gas retention, and reduces condensation adding both value and comfort to any home renovation project.

Flexscreen
Mi’s Flexscreen technology allows you to better enjoy your open windows. Combined with Clarity™ mesh, Flexscreen is barely visible, allowing you to better enjoy the view. Using simple design eliminates the need for unnecessary hardware resulting in a more aesthetically pleasing window. Installation is effortless and the end product is nearly indestructible. Mi’s Flexscreen technology has passed rigorous testing, proving that they are built to last.

Product photo of an Mi single hung window Single-Hung Window
Mi vinyl and aluminum, single-hung windows are easy to replace in your home. The energy efficient Mi vinyl replacement window options are practical and functional, making Mi replacement windows one of the best single-hung vinyl windows on the market today. The Mi aluminum windows offer impressive thermal and structural performance.

Product photo of an Mi double hung windowDouble-Hung Window
Mi Windows and Doors’ double-hung replacement and new construction windows are made with superior craftsmanship. If you are looking for an energy-efficient double-hung window that is easy to install, and consistently offers proven performance, Look at the 1555 and 1556, vinyl double-pane window. Available with dual-pane glass and endless options to improve the look of your house, including multiple grid styles.

Product photo of an Mi 1615 sliding glass doorSliding Glass Door
The aluminum and vinyl sliding glass doors by MI Windows and Doors are easy-gliding patio doors that have double-pane glass and come in widths up to 16-feet wide. Enhance the view AND improve the energy efficiency of your home while you access your outdoor living areas. These sliding glass doors can also be equipped with storm-resistant glass that won’t shatter on impact and Mi’s StormArmor impact-resistant package.

Product photo of an Mi slider windowDouble Slider and Single-Slider Windows
The Mi single and double slider windows offer handcrafted quality, exceptional durability, and optimal energy efficiency. Mi slider windows have a pre-punched mounting fin and removable sash for easy drywall pass through making them ideal for new home construction projects. Slider windows also feature dual-cam locks and a brass roller system. Metal reinforcements at the meeting rail provide performance and thermal benefits that match the window’s builder-friendly attributes.

Product photo of an Mi projection bay windowGarden, Bay, and Projection Windows
Mi’s projection windows can dramatically improve the aesthetic of any room in the house. Bay windows are made with the same craftsmanship of a fine piece of furniture while maintaining the functionality of replacement windows. Mi Garden Windows provide the depth you need for plants, collectibles, and anything else that is enhanced by natural light. The garden window has a multi point locking system that provides a tight seal to keep out the cold and added security.

Product photo of an Mi casement windowCasement Window
The Mi vinyl casement replacement windows offer superior styling and quality handcrafted features like multipoint locking hardware and beveled exterior edges. Perfect for your home remodeling or renovation project, these casement windows offer energy-efficient features like triple-dual-pane insulating glass, point weatherstripping, and a multi-chambered frame.

To learn more about Mi Windows and Doors visit the Mi website and download brochures. You can also visit or stop by our showroom or call us at 717-464-2999.