The Best Window Installers in Lehigh Valley, PA

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

#1

Renewal by Andersen of Lehigh Valley

4.8
(185 reviews)
Verified

A premier provider specializing in high-quality, custom-made, energy-efficient replacement windows. As a franchise of a national brand, they offer a strong warranty and a full-service experience from consultation to installation, focusing on premium materials and professional service.

2240 Ave C, Bethlehem, PA 18017

Specialties & Features

Energy-efficient windows
Custom window solutions
Full-window replacement

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Exterior Medics

4.7
(220 reviews)
Verified

A highly-rated contractor known for exceptional customer service and quality workmanship in window replacement and repair. They serve a broad area including Lehigh Valley and are recognized for their professionalism and expertise with various window brands and types.

1701 Marydale Ave, Bethlehem, PA 18018

Specialties & Features

Residential window replacement
Window repair services
New window installation

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Allentown Window & Door

4.6
(95 reviews)
Verified

A local, family-owned and operated business with a long-standing presence in the community. They offer a personal touch and are known for their expertise in a wide range of window services, including custom historical replication and modern security and storm windows.

1328 W Liberty St, Allentown, PA 18102

Specialties & Features

Custom window solutions
Storm windows and security windows
Window repair services

Business Information

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

Why These Are the Top Windows Contractors in Lehigh Valley

The window service market in Lehigh Valley is competitive and mature, characterized by a mix of long-standing local contractors and established national franchise providers. The overall quality of providers is high, with a strong emphasis on energy efficiency due to Pennsylvania's variable climate, which drives demand for upgrades that reduce heating and cooling costs. Competition keeps pricing relatively fair, but consumers will find a clear tiered pricing structure. Basic vinyl replacement windows for a standard home can range from $5,000 to $10,000, while high-end, full-home replacements with custom or premium materials (like fiberglass or wood-clad) from top-tier providers can easily range from $15,000 to $30,000 or more. Reputation, warranties, and the quality of installation are the primary differentiators in the local market.

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 Lehigh Valley regulations and climate

Frequently Asked Questions About Windows in Lehigh Valley

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

1What is the typical cost range for a full home window replacement in the Lehigh Valley?

For a standard-sized home in the Lehigh Valley, a full window replacement typically ranges from $10,000 to $25,000, depending on the number of windows, materials (vinyl, wood, fiberglass), and the complexity of installation. Local factors like older home architecture in areas like Bethlehem or Allentown can increase costs due to custom sizing or historical considerations. We always recommend getting 2-3 detailed, in-home estimates from local, insured installers for the most accurate pricing.

2How does Pennsylvania's climate and Lehigh Valley's weather affect my window choice?

Lehigh Valley experiences all four seasons with cold, snowy winters and hot, humid summers, making energy efficiency a top priority. We recommend windows with a low U-factor for winter heat retention and a low Solar Heat Gain Coefficient (SHGC) to manage summer heat. Look for the ENERGY STAR® label for the North/Central climate zone, which is specifically rated for Pennsylvania's weather to ensure optimal performance and utility savings year-round.

3Are there permits required for window replacement in Lehigh Valley municipalities?

Permit requirements vary by township. For example, simple like-for-like window replacements in single-family homes often do not require a permit in many boroughs, but structural changes or work in historic districts (like parts of Bethlehem) always do. A reputable local installer will know and handle the specific permit rules for your city or township, whether you're in Easton, Macungie, or Whitehall, ensuring the project complies with all local building codes.

4What is the best time of year to schedule window installation in the Lehigh Valley?

While installation can be done year-round, late spring (April-May) and early fall (September-October) are ideal. These periods typically offer mild, dry weather, which is safer for installers and prevents indoor temperature extremes during the installation process. Scheduling during these shoulder seasons also helps you avoid the high demand and potential backlog of contractors during the peak summer renovation season.

5How can I verify a window installation company is reputable and properly licensed in Pennsylvania?

Always choose a company that is both insured and holds a Home Improvement Contractor (HIC) registration number from the Pennsylvania Attorney General's office, which is required by law. You can verify this registration online. Additionally, check for local affiliations like the Greater Lehigh Valley Realtors® or the Builders Association of the Lehigh Valley, and read verified reviews on platforms like Google or the Better Business Bureau specific to the Lehigh Valley region.