45+ Years of Experience

Window Installation Specialists of Pittsburgh has been owned and operated by Bill and Melissa Kish for almost 40 years. With this much window and door replacement experience under their belts, they know how to do the job right the first time. You simply cannot find anyone more knowledgeable concerning your window and door needs than them.

Window and Door Industry Leading Manufacturers

Choose from only the very best in window and door manufacturers. Whether you are looking for metal, wood, or fiberglass for replacing your windows or doors, Window Installation Specialists can help you make the best choices to suit your unique requirements. Window Installation Specialists will never use inferior window or door products to replace the windows and doors in your home or business.

InstallationMasters™ Certified Installers

Window Installation Specialists have InstallationMasters™; certified installers which lets you know they have installation experience and are properly skilled. They’ve completed nationwide training and certification for new construction and replacement of windows and exterior glass doors in residential and light commercial markets.

Our installers are carpenters who care about their work. Unlike most of the competition, our windows and doors installers are not independent contractors, but are employees of Window Installation Specialists. Our uniformed installers are fully insured with general liability, auto, and worker’s compensation too.

Thousands of Satisfied Customers

We will gladly come to your home or business to discuss your exact window and door needs. Whether it is for a new home, business or a remodeling job, give us a call at (724) 446-0275, (or toll-free at 1-877-263-1500), to schedule a free no-obligation consultation.

Reasons to Purchase from Window Installation Specialists

  1. Over 45+ years of family-owned and operated business specializing in windows and doors.
  2. All of the windows we sell and install are J.D. Power and Associates Award Winners.
  3. All of our windows are ranked at the top of Customer Satisfaction Index Rating for quality and customer satisfaction.
  4. We are one of only a select few contractors certified by InstallationMasters™ for Western Pennsylvania as a Nationally Certified Installer of windows and doors.
  5. Certified Andersen, Marvin, Pella, and Simonton for proper installation procedures.
  6. Bill and Melissa Kish have been guest window experts on KDKA radio on the Rob Pratte Home Improvement Hour for over 10 years.
  7. Fully-trained carpenters who are uniformed and employees of the company (no sub-contractors).
  8. Thousands of satisfied customers!

Windows Replacement Services Since 1973

Window Installation Pittsburgh – We provide windows replacement and custom windows installation services in Pittsburgh and southwestern PA. We replace windows and doors in homes and businesses throughout the Pittsburgh region. Owners Bill and Melissa Kish have operated Window Installation Specialists of Pittsburgh for over 40 years, serving thousands of satisfied customers in the greater Pittsburgh region and southwestern Pennsylvania.

Schedule a FREE On-Site Windows Replacement Consultation

Do you need Replacement Windows, Custom Windows, or Doors in the Pittsburgh area? Call us now to schedule your FREE on-site windows replacement Consultation. We carry a wide selection of top quality replacement windows and doors from today’s leading windows manufacturers, in beautiful and functional classic and modern window styles.

Top Quality Brands of Windows and Doors

We carry a complete selection of Top Quality Replacement Windows and Doors to fit any type of residential or commercial project.

You can choose your windows and doors from such well-known, quality brands as:

Andersen provides the best replacement windows value overall. They may not offer as many options as some of the other window brands, but what they do, they do very well, and the results are cost-effective.Learn More

Top quality, high-end, Marvin windows are the best. They offer custom windows, and historically and architecturaly accurate windows. Marvin windows are available as aluminum and Ultrex-clad exterior; an all-Ultrex Warranty is 20 years for glass and 10 years for parts, and is transferable.

Marvin offers many color choices on the exterior aluminum clad windows, and there are many interior wood types available as well. They offer custom windows sizes. Energy Star-rated, High-Perfoemance Low E Argon insultated glass. Learn More

Pella carries a complete line of windows, including vinyl, fiberglass, and wood. This gives us the flexibity to value-engineer a windows replacement job with one product source.

On their vinyl windows line, Pella offers foam-filled frames and triple glass, and a lifetime warranty.

Pella fiberglass windows offer the durability of wood, but maintenance free, like vinyl. They offer many colors, and foam-filled frames. They also offer a lifetime warranty for fiberglass windows.

Wood Windows by Pella. Custom sizes and stock sizes are available, with stainable interiors. Pella offers historically and architecturally accurate windows for older homes and renovation projects that are trying to maintain architectural integrity. Pella wood windows offer triple glass and blinds and shades in between the glass.

Pella warranty is 20 years on glass, and 10 years on parts and pieces. Learn More

Local and Experienced Windows Installation Craftsmen

Window Installation Specialists of Pittsburgh is a local Pittsburgh windows replacement company. We have an experienced team of full-time window installers. Our window installers are highly skilled windows replacement craftsmen who care about their work; they are carpenters who specialize in windows installation. They are all Certified InstallationMasters™.

Windows Replacement Experts

Unlike most of our competition, we don’t outsource our window and door replacement referrals; Our Pittsburgh window replacement specialists are full-time employees, not independent contractors. Our window installers are uniformed, professional craftsmen who are fully insured with general liability and auto insurance, and Worker’s Compensation.

We ensure quality work and customer satisfaction with personal attention and direct owner oversight on each of our windows replacement projects.

Owner On-Site

Bill Kish has been installing replacement windows for over 42 years – since 1973 – and he PERSONALLY SUPERVISES EVERY WINDOW AND DOOR PROJECT, hands-on.

Our Goal

Our goal is to be the best Pittsburgh window installation company. Period. Our work is made to last.

Benefits of Quality Replacement Windows

  • Insulate your home or business
  • Add Curb Appeal and Resale Value to your home or business
  • Reduce the Cost of Energy
  • Prevent UV damage from sunlight to your furniture and window treatments
  • Increase Security
  • Custom Solutions
  • Quality Products
  • Professional installation by certified specialists
  • Commercial Construction
  • Save Money!

Questions? Please call Melissa Kish at (724) 446-0275 directly to discuss your window needs. Whether you need new construction windows, custom windows, or window replacement services, Window Installation Specialists will be happy to provide you with a Free On-Site Estimate.

We look forward to speaking with you!

On a Personal Note

Window Installation Specialists is a proud sponsor and member of the Westmoreland Choral Society