Compare the highest-rated windows professionals in King Of Prussia, Pennsylvania. All contractors are licensed, insured, and verified through our rigorous screening process.
A leading, large-scale home improvement contractor in the Mid-Atlantic region, known for its professional installation crews, high-quality proprietary windows, and strong focus on energy efficiency. They offer a comprehensive, start-to-finish service model.
A highly-rated, family-owned window and door replacement company with a strong national footprint and a significant local operation. They are praised for their customer service, wide selection of brands, and lifetime warranty.
The local franchisee for the premium Renewal by Andersen brand. They specialize exclusively in high-end, custom-made Fibrex composite windows, offering a white-glove service from consultation to installation.
** The window replacement and installation market in King of Prussia is robust and competitive, characterized by a mix of large, well-established regional contractors and specialized premium providers. The housing stock is diverse, ranging from historic homes on the Main Line to modern suburban developments, which drives demand for both custom historical reproductions and high-performance, energy-efficient models. **Average Quality:** The market standard is high, with a strong consumer preference for vinyl and composite materials that offer durability and energy savings. Providers like Thompson Creek and Renewal by Andersen set a high bar for product quality and installation expertise. **Competition Level:** Intense. Homeowners in this affluent area are sought-after clients, leading to significant competition on service, warranty, and product innovation. This benefits the consumer, as companies must maintain high standards to compete. **Typical Pricing:** Pricing is above the national average, reflecting the higher cost of living and the premium services offered. A full-home window replacement project can range from $15,000 to $40,000+, depending on the window brand, material (vinyl, fiberglass, composite), the complexity of the installation, and the number of windows.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with King Of Prussia regulations and climate
Get answers to common questions about windows services in King Of Prussia, Pennsylvania.
For a standard double-hung vinyl window replacement in our area, homeowners can expect to pay between $600 and $1,200 per window, including professional installation. The total project cost depends on the number of windows, the style and material (e.g., fiberglass commands a premium), and the complexity of the installation, especially in older King Of Prussia homes that may require custom sizing or extensive reframing. Pennsylvania's 6% sales tax will also apply to the total materials cost.
Our region experiences hot, humid summers and cold winters with significant temperature swings, making energy efficiency paramount. We strongly recommend windows with a low U-factor (for insulation) and a low Solar Heat Gain Coefficient (SHGC) to block summer heat. Look for the ENERGY STAR® certification specific to the "Northern" U.S. climate zone, which is tailored for Pennsylvania's weather, to ensure optimal performance and utility bill savings year-round.
In most cases, a simple window replacement in an existing opening does not require a building permit from Upper Merion Township, provided there is no structural change to the wall. However, if you are altering the opening's size or shape, or if you live in a historic district or a homeowners association (HOA) like those in many King Of Prussia communities, you will likely need approval. A reputable local installer will handle this research and process for you.
While installations can be performed year-round, the ideal seasons in King Of Prussia are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is optimal for the installation process and for having your home open. Scheduling during these off-peak times can also provide greater installer availability and potentially faster project completion compared to the busy summer rush.
Always verify that the contractor is properly insured and licensed in Pennsylvania. Look for established local companies with strong references and physical addresses in the area, as they understand local building practices and weather challenges. Crucially, ensure they provide a robust, transferable manufacturer warranty on the product and a separate, clear labor warranty covering their installation work for a minimum of 2-5 years.