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Business Details
22 Years
experience
Premium Windows for Homeowners in Bristol, PA
Starmark Evo Windows has been a trusted name in window manufacturing since 2004, combining advanced technology with dedicated craftsmanship to deliver high-performance products. Our windows are engineered using proprietary Advanced Polymeric Composite (APC) material, offering superior durability and energy efficiency. Backed by rigorous certifications including Energy Star, AAMA, and NFRC, our products meet the highest industry standards. With a state-of-the-art facility in Bristol, Pennsylvania, we serve homeowners across the East Coast through a network of certified dealers. Our commitment to innovation is reflected in our third-generation window designs, which feature patented engineering solutions like the HeatSeal Spacer System and solid sill construction.

We provide comprehensive support through a Lifetime Limited Warranty and detailed maintenance resources. Our team of experts ensures every product undergoes independent third-party certification through the Keystone Certification Program. By focusing on homeowner needs, we've developed glass packages tailored to diverse climates, including HeatSeal and SunSeal coatings. Our robotic assembly line guarantees consistent quality while maintaining the aesthetic appeal of traditional wood windows without the upkeep. This dedication to excellence has established Starmark Evo as a leader in modern window technology.
Services
Double Hung Windows Slider Windows Casement Windows Bay/Bow Windows Replacement Windows New Construction Windows Energy-Efficient Windows Custom-Size Windows Glass Replacement Window Installation
Details
  • Year established: 2004
Highlights and features
  • We offer 20+ years of window manufacturing expertise with APC material innovation
  • Our windows feature patented HeatSeal Spacer System for superior thermal performance
  • Backed by a Lifetime Limited Warranty covering manufacturing defects
  • Products certified through independent Keystone Certification Program
  • Customizable glass packages for optimal climate-specific energy efficiency
Associations and certifications
  • Energy Star
  • AAMA
  • NFRC
  • Keystone Certification Program
Services
Double Hung Windows
Our double hung windows combine traditional aesthetics with modern technology. The APC material eliminates the need for additional insulation while rigid interlocks create tighter seals. These windows feature a maintenance-free design with durable components engineered for smooth operation and energy efficiency. The one-piece sloped sill improves drainage without requiring weep holes.
Casement Windows
Engineered for maximum ventilation and easy cleaning, our casement windows feature precision-engineered hinges and multi-point locking systems. The APC material maintains structural integrity while allowing for larger glass areas. These windows achieve superior air tightness ratings through continuous compression seals around the entire frame perimeter.
Bay and Bow Windows
Our bay and bow windows combine classic styling with advanced construction techniques. The APC material allows seamless corner connections while maintaining thermal performance. Each unit features reinforced framing for structural stability and customized glass packages to optimize natural light while minimizing energy loss.
Energy-Efficient Windows
Our energy-efficient models incorporate HeatSeal Spacer technology and dual-coated glass systems. The triple-pane configuration with krypton gas achieves top-tier U-factors, while low-E coatings reduce solar heat gain. These windows maintain consistent indoor temperatures while minimizing condensation through advanced sealing systems.
Custom-Size Windows
We offer custom sizing options for unique architectural requirements. The APC material allows precise manufacturing tolerances while maintaining structural integrity. Each custom window undergoes the same rigorous quality control as standard sizes, with tailored glass packages to match specific performance needs.
Questions
What makes Starmark Evo windows different from competitors?
Our proprietary Advanced Polymeric Composite material provides superior durability without wood maintenance, featuring solid sash construction and patented thermal sealing technology.
Do you offer energy-efficient window options?
Yes, our windows exceed Energy Star requirements with triple-pane options labeled as Energy Star Most Efficient products.
Are Starmark Evo windows certified for quality?
All products meet rigorous NAFS standards through Keystone Certification, with annual factory inspections ensuring ongoing compliance.
What glass options are available?
We offer HeatSeal and SunSeal coatings, double/triple pane configurations, and specialty glass options with argon/krypton gas fills.
Is there a warranty for Starmark Evo products?
Yes, we provide a Lifetime Limited Warranty covering manufacturing defects with detailed terms available through certified dealers.
How do I find installation support?
Our website connects you with certified dealers who provide professional installation services and local product expertise.