Business Details
32 Years
experience
Starmark Evo Windows | Bristol, PA
Starmark Evo Windows has proudly served customers with innovative window solutions since 1994. Originally developed under HiMark Windows LLC dba OKNA Windows, our Starmark Evo serieslaunched in 2004represents three generations of technological advancement. Our state-of-the-art 220,000 sq. ft. facility in Bristol, Pennsylvania, combines automated precision with craftsmanship to produce energy-efficient windows that exceed Energy Star, AAMA, and NFRC standards.With over 30 years of industry experience, we prioritize homeowner-centric design, utilizing advanced polymeric composite (APC) material to create durable, low-maintenance windows without compromising aesthetic appeal. Our commitment to quality is underscored by a Lifetime Limited Warranty and third-party Keystone Certification, ensuring peace of mind for every customer.
Services
Double Hung
Slider Windows
Casement Windows
Bay Windows
Bow Windows
New Construction Windows
Window Replacement
Glass Unit Customization
APC Material Windows
Certified Dealer Consultation
Details
- Year established: 1994
Highlights and features
- We offer 30+ years of window manufacturing expertise.
- Our proprietary APC material ensures superior durability and thermal performance.
- All products undergo third-party Keystone Certification.
- Available with Energy Star Most Efficient triple pane glass units.
- Lifetime Limited Warranty covers all manufacturing defects.
Associations and certifications
- Energy Star
- AAMA
- NFRC
- Keystone Certification
Services
Double Hung
Our Double Hung windows combine timeless design with modern efficiency using solid APC sashes and frames. The rigid interlock meeting rail minimizes drafts, while the one-piece sloped sill prevents water damage. Engineered for durability, they meet rigorous NAFS performance standards and offer versatile customization options.
Casement Windows
Casement Windows feature smooth crank operation for maximum ventilation and easy cleaning. The APC material construction resists warping, ensuring lasting performance. Integrated WOCD mechanisms enhance safety while maintaining unobstructed views and optimal energy efficiency.
Triple Pane Glass
Triple Pane Glass units provide exceptional energy savings with two coated panes and premium gas fills. Certified as Energy Star Most Efficient, they offer four gas combinations (Argon, Krypton, blends) to optimize U-Factors for specific climate conditions and homeowner comfort.
APC Material
APC Material combines strength with lightweight properties, eliminating the need for internal insulation. The non-metallic composition resists expansion, contraction, and corrosion while maintaining a natural wood-grain appearance without maintenance requirements.
Bay Windows
Bay Windows deliver classic architectural styling with structural reinforcement for large openings. The premium glass packages and durable APC frames provide energy efficiency while creating expansive daylighting solutions for residential spaces.
Questions
What makes Starmark Evo windows different from competitors?
Our proprietary APC material provides superior durability without internal insulation requirements, while rigid interlock designs exceed industry air infiltration standards.
Do your windows meet energy efficiency standards?
All windows meet Energy Star requirements, with triple pane options certified as Energy Star Most Efficient through advanced glass and gas combinations.
What warranty coverage is available?
We provide a Lifetime Limited Warranty covering manufacturing defects with guaranteed performance standards validated through third-party Keystone Certification.
How do I find installation specialists?
Use our Locate a Dealer tool to connect with certified professionals who handle proper sizing, installation, and compliance with local building codes.
What glass package options do you offer?
Customize with HeatSeal, SunSeal, or specialty glass using Argon/Krypton fills. Options optimize thermal performance for varying climate conditions across the East Coast.
Are your products tested by independent laboratories?
Yes, all windows undergo third-party testing through ANSI-accredited Keystone Certification, verifying performance against NAFS standards for durability and energy efficiency.
