The Best Window Installers in Southwest, PA

Compare the highest-rated windows professionals in Southwest, Pennsylvania. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Renewal by Andersen of Western Pennsylvania

4.8
(250 reviews)
Verified

As a subsidiary of the renowned Andersen Corporation, this provider specializes in a full-service, premium replacement window experience. They are known for their high-quality Fibrex® composite material, which offers superior durability and energy efficiency. Their process includes in-home consultation, professional installation, and a strong warranty.

10579 Perry Hwy, Wexford, PA 15090

Specialties & Features

Custom window solutions
Energy-efficient windows
New window installation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

Window Nation - Pittsburgh

4.7
(200 reviews)
Verified

Window Nation is a major regional player known for a wide selection of window brands and styles to fit various budgets. They emphasize a straightforward process from free estimate to installation. They are particularly strong in full-window replacement projects and offer both vinyl and composite options.

100 Fleet St, Pittsburgh, PA 15220

Specialties & Features

Residential window replacement
Energy-efficient windows
Storm windows and security windows

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Pittsburgh Window & Door Inc.

4.6
(150 reviews)
Verified

A locally owned and operated company with a strong reputation for personalized service and quality craftsmanship. They offer a range of products from leading manufacturers like Simonton and Soft-Lite. They are often praised for their repair services and ability to handle complex or historic home window projects.

2250 Noblestown Rd, Pittsburgh, PA 15205

Specialties & Features

Window repair services
Custom window solutions
New window installation

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes

Why These Are the Top Windows Contractors in Southwest

** The window replacement and service market in Southwest Pennsylvania is robust and highly competitive, driven by the region's aging housing stock and distinct seasonal weather, which creates a strong demand for energy efficiency. The market is segmented into premium full-service providers (like Renewal by Andersen), large regional specialists (like Window Nation), and established local contractors (like Pittsburgh Window & Door). **Average Quality:** The quality is generally high, with most reputable companies offering products from top-tier manufacturers. There is a significant focus on low-E glass and argon gas fills to combat both winter heat loss and summer heat gain. **Competition Level:** Competition is intense, which benefits consumers through competitive pricing, extensive warranty offerings, and a focus on customer service. Homeowners have many choices, from large corporations to smaller, family-run operations. **Typical Pricing:** Pricing is variable. A standard vinyl double-hung window replacement can range from **$600 to $1,200 per window**, including installation. Premium composite or fiberglass windows and complex custom shapes (like bays and bows) can push the cost to **$1,500 to $2,500+ per window**. The highly competitive nature of the market means most companies offer free, no-obligation estimates, making it essential for homeowners to get multiple quotes.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Southwest regulations and climate

Frequently Asked Questions About Windows in Southwest

Get answers to common questions about windows services in Southwest, Pennsylvania.

1What is the typical cost range for a full home window replacement in Southwest Pennsylvania?

For a standard-sized home in the Pittsburgh area, a full vinyl window replacement typically ranges from $8,000 to $20,000, depending on the number of windows, style, and energy efficiency features. Prices are influenced by local material and labor costs, and the region's older housing stock may require additional work for proper installation, which can affect the final quote. We always recommend getting 2-3 detailed, in-home estimates from local, licensed contractors for the most accurate pricing.

2When is the best time of year to schedule window installation in our climate?

The ideal installation windows in Southwest PA are during the mild, dry periods of late spring (May-June) and early fall (September-October). This avoids the high humidity of summer, which can complicate sealing, and the freezing temperatures and snow of our winters, which can affect caulk and foam insulation curing. However, professional installers work year-round, and scheduling in the off-season (winter) can sometimes lead to faster service and potential promotions.

3Are there specific energy efficiency features we should prioritize for our Pennsylvania winters and humid summers?

Absolutely. Given our cold winters and variable humidity, look for windows with a low U-factor (for insulation against heat loss) and a low Solar Heat Gain Coefficient (SHGC) to manage summer heat. Double-pane, Low-E argon-gas-filled windows are the standard recommendation. Ensure the windows carry the ENERGY STAR® label for the "Northern" climate zone, which is specifically designed for regions like ours to maximize year-round comfort and savings.

4Do I need a permit to replace my windows in Southwest Pennsylvania, and how do I choose a reputable local installer?

Permit requirements vary by municipality in Allegheny, Washington, Westmoreland, and surrounding counties. A reputable local installer will know and handle the permitting process for you. When choosing a provider, verify they are licensed and insured in Pennsylvania, have strong local references, offer a robust manufacturer AND workmanship warranty, and are familiar with installing in our region's common home styles, from century-old brick to modern builds.

5How long does a professional window installation take, and will it disrupt my home?

For a full-home replacement, a professional crew of 2-4 people typically completes the job in 1-3 days, depending on the home's size and complexity. There will be some disruption, including interior noise and temporary removal of window treatments, but a quality team will seal each opening promptly to maintain your home's climate control and security. They will also perform a thorough cleanup, leaving your home as they found it, minus the old windows and materials.