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Top Window Replacement & Installation in Pittsburgh, Pennsylvania Ranked
Upgrading your windows is one of the most impactful home improvement projects you can undertake in Pittsburgh. New window installation not only enhances your home's curb appeal but also directly combats the city's challenging climate, leading to improved comfort and significant energy savings. This guide will help you understand the key considerations-from styles and materials to energy efficiency and costs-so you can make an informed decision and connect with qualified local professionals for your project.

Specialty Window & Door
1206 Breezewood Dr, West Homestead, PA 15120
Specialty Window & Door is a window replacement company and sliding glass door installer serving Pittsburgh, PA. They provide a variety of window materials including vinyl, fiberglass, and wood, with styles such as double hung, slider, bay, bow, picture, and casement. Their exterior door options include entry doors, patio doors, and storm doors, all customizable to match home aesthetics. Their products aim to improve curb appeal and energy efficiency for residences in the greater Pittsburgh area.

Metropolitan Window Company
4672 Clairton Blvd, Pittsburgh, PA 15236
Metropolitan Window Company is a window replacement and sliding glass door installer serving Pittsburgh, PA. They specialize in Marvin windows and exterior patio doors, offering a range of fiberglass and wood window options designed for durability and energy efficiency. The company features Marvin's Infinity fiberglass replacement windows made from patented Ultrex® pultruded fiberglass, known for strength and weather-tight performance. Metropolitan Window Company provides customized entry and patio doors, including products from ProVia and Marvin, with a focus on design flexibility and craftsmanship.

Mighty Dog Roofing of West Pittsburgh
510 Washington Ave Suite 306, Carnegie, PA 15106
Mighty Dog Roofing of West Pittsburgh is a local roofing company serving Pittsburgh, PA, specializing in roof repair, replacement, and exterior services including gutters, windows, siding, and skylights. As part of a national franchise, they combine broad resources with local expertise to handle a variety of roofing and exterior projects. Their services include thorough property inspections using advanced technology to assess damage and ensure long-term durability. They also offer flexible financing options to support customers with different budgets.

American Window Industries Inc.
106 Portage Ln, Pittsburgh, PA 15221
American Window Industries Inc. is a window replacement company based in Pittsburgh, PA. They provide custom-made windows including high-efficiency triple-pane and double-pane options, available in vinyl and wood materials. Their offerings also include classic stained interior designs and energy-efficient windows, all backed by a lifetime manufacturer warranty.

PJ Fitzpatrick
141 Delta Dr Suite D, Pittsburgh, PA 15238
PJ Fitzpatrick is a home improvement company based in Pittsburgh, PA, specializing in window repair, window replacement, and sliding glass door installation. Serving the local area, they offer a wide range of services including roofing, siding, gutters, and bath upgrades. With over 40 years of experience since 1980, PJ Fitzpatrick emphasizes thorough evaluations and detailed planning to meet customer needs. Their team includes a full-time repair department with specialized skills to address issues other companies may miss.
Popular Window Styles for Pittsburgh Homes
Choosing the right style is the first step in your window replacement journey. The design affects functionality, ventilation, and the overall aesthetic of your home.
- Double-Hung Windows: The most popular choice for Pittsburgh homes, double-hung windows offer a classic look with versatile operation. Both the top and bottom sashes move, allowing for excellent airflow control and easy cleaning from inside your home1 2.
- Casement Windows: Operated with a crank, casement windows swing outward to provide a wide, unobstructed opening. This style offers superior ventilation and a tight seal when closed, making them a great, though often slightly pricier, option for energy efficiency1 3.
- Picture Windows: If your goal is to frame a beautiful view or flood a room with natural light, a fixed picture window is ideal. Since they don't open, they provide an excellent thermal barrier and are often combined with operational units in larger installations2 4.
- Bay & Bow Windows: These projecting styles add architectural interest, interior space, and panoramic light to any room. Typically consisting of a central picture window flanked by double-hung or casement units, they create a beautiful focal point but involve a more complex and costly installation2 3.
- Sliding Windows: Also known as sliders, these windows open horizontally on a track. They are a practical choice for spaces where an outward-swinging casement isn't feasible, such as near walkways or patios1.
Energy Efficiency: A Critical Consideration for Our Climate
Pittsburgh's weather demands windows that can handle both bitter, snowy winters and humid, warm summers. Investing in energy-efficient windows is crucial for maintaining indoor comfort and reducing heating and cooling bills5 6.
Key efficiency features to look for include:
- Low-E Glass: Low-emissivity (Low-E) coatings are microscopic, invisible layers of metal oxide applied to the glass. They reflect interior heat back inside during winter and reflect solar heat away during summer, making them a year-round asset5 7.
- Double or Triple-Pane Glass: The space between panes is filled with insulating argon or krypton gas. Double-pane is standard, but triple-pane windows offer an even higher level of insulation and noise reduction, which can be beneficial in certain Pittsburgh neighborhoods8 9.
- Frame Materials: The frame plays a huge role in performance.
- Vinyl: The most common choice due to its affordability, excellent insulation, and minimal maintenance requirements. Modern vinyl windows are durable and won't rot, warp, or need painting1 5.
- Fiberglass: Offers superior strength, durability, and thermal performance compared to vinyl. Fiberglass frames are more stable and can support larger glass panes, making them a premium, long-lasting option5 6.
- Wood: Provides a classic, high-end look and natural insulation. However, wood windows require regular maintenance (painting or staining) to protect against Pittsburgh's moisture and are typically at a higher price point5 3.
- Understanding Ratings: Look for the National Fenestration Rating Council (NFRC) label. Key metrics are:
- U-Factor: Rates heat loss. Lower numbers are better for Pittsburgh winters.
- Solar Heat Gain Coefficient (SHGC): Rates how much solar heat passes through. A balance is needed-some solar gain is good in winter, but too much overheats a home in summer.
- Air Leakage (AL): Rates the amount of air that passes through cracks. Lower numbers are better8 7.
- ENERGY STAR® Certification: Ensure your windows are ENERGY STAR® certified for the North/Central climate zone, which includes Pennsylvania. This certification guarantees they meet strict efficiency guidelines set by the EPA6 7.
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Understanding Window Replacement Costs in Pittsburgh
The cost for new window installation in Pittsburgh varies widely based on several factors. On average, homeowners can expect to pay between $500 and $2,500 or more per window1 10. For a full-home project involving multiple units, total costs often range from $12,000 to $20,000+8 11.
Primary factors influencing the final price include:
- Window Material: This is a major cost driver.
- Window Style & Size: Larger windows and more complex styles cost more. A standard double-hung will be less expensive than a custom-sized casement or a multi-unit bay window, which can be a project costing $9,000 - $20,000+2 3.
- Glass & Glazing Options: Upgrades like triple-pane glass, specialized Low-E coatings, or decorative grilles will increase the price but also enhance performance and aesthetics8 4.
- Installation Complexity: There are two main installation methods:
- Insert Replacement (Pocket Installation): The new window is installed within the existing frame. This is less invasive and less expensive but doesn't address potential frame rot or insulation issues.
- Full-Frame Replacement: The entire old window, including the frame and trim, is removed down to the studs. This allows for a thorough inspection of the wall opening, better insulation, and is often recommended for older Pittsburgh homes or when changing window styles1 11.
- Labor & Company Structure: Some providers use dedicated in-house installation crews, which can offer more consistency and stronger lifetime warranties on both product and labor. Others may subcontract the work. Always clarify who will be performing the installation and what warranties are provided1 9.
The Professional Installation Process
A proper installation is just as important as the quality of the window itself. A good installation ensures optimal performance, energy efficiency, and longevity.
What to expect from a professional window installer:
- Initial Consultation & Measurement: A specialist will visit your home to discuss your needs, take precise measurements, and assess the condition of your existing windows and frames.
- Product Selection & Quote: Based on the consultation, you'll receive a detailed proposal outlining the recommended products, costs, timeline, and warranty information.
- Preparation & Removal: On installation day, the crew will protect your interior and exterior work areas. Your old windows will be carefully removed.
- Installation & Sealing: The new windows will be set, leveled, and shimmed into the opening. They will be securely fastened and sealed with high-quality caulking and insulation to prevent air and water infiltration-a critical step for Pittsburgh weather11.
- Finishing & Cleanup: Interior trim and exterior capping (if applicable) will be finished. The crew will clean up the work area and demonstrate the operation of your new windows.
- Final Inspection: A walk-through ensures you are satisfied with the workmanship and functionality.
Frequently asked questions
Sources
Footnotes
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How Much Does It Cost for Vinyl Replacement Windows in ... - https://energyswingwindows.com/blog/cost-vinyl-replacement-windows-pittsburgh ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7 ↩8
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Essential Guide to Window Replacement for Pittsburgh ... - https://energyswingwindows.com/blog/replacement-window-installation-101 ↩ ↩2 ↩3 ↩4
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Pittsburgh Replacement Window Pricing Overview - https://energyswingwindows.com/pricing/pittsburgh-replacement-windows ↩ ↩2 ↩3 ↩4 ↩5 ↩6
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What Determines The Cost Of New Windows? A Pittsburgh ... - https://energyswingwindows.com/blog/what-determines-the-cost-of-new-windows ↩ ↩2
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Top 5 Energy-Efficient Window Options for Pittsburgh Homes - https://www.irelandcontracting.com/top-5-energy-efficient-window-options-for-pittsburgh-homes ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7
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Pennsylvania Window Replacement Cost 2025 - Modernize - https://modernize.com/windows/replacement-cost-calculator/pennsylvania ↩ ↩2 ↩3 ↩4
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Pittsburgh Window Replacement Energy Efficient Windows - https://pittsburghwindowcompany.com/energy-efficient-windows/ ↩ ↩2 ↩3
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How Much Does New Window Cost in Pittsburgh | New Look Exteriors - https://newlookexteriors.pro/new-windows-cost-pittsburgh/ ↩ ↩2 ↩3 ↩4
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Our Most Energy Efficient Window - Legacy Remodeling - https://www.legacyremodeling.com/energy-efficient-window/ ↩ ↩2
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What Is the Average Cost to Replace Windows and Doors in ... - https://energyswingwindows.com/blog/cost-replace-window-doors-pittsburgh ↩
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Window Installation: Smart 60-Minute Start - https://smithrock-roofing.com/window-installation/ ↩ ↩2 ↩3