OKNOPLAST Commercial Windows – CT & Western MA
SEVEN SUN proudly offers premium OKNOPLAST commercial windows for both light and heavy commercial projects across Connecticut and Western Massachusetts. From boutique storefronts and medical offices to multi-unit residential buildings, we deliver durable, energy-efficient window systems. Installation is available for light commercial projects, including smaller apartment complexes, while heavy commercial builds are supply-only.
Contact SEVEN SUN today for your FAST Free Quote — and get high-performance OKNOPLAST windows tailored to your project’s scale and needs.
Light vs. Heavy Commercial Projects – What We Offer
Light Commercial Projects (Supply + Installation):
SEVEN SUN offers full product supply and installation for smaller-scale commercial applications, including:
- Storefronts and small retail shops
- One- to two-story office buildings
- Restaurants or cafés
- Dental and medical suites
- Condominiums and townhomes
- Smaller apartment complexes (typically up to 2–3 stories or ~20 units)
- Renovated residential properties used for commercial purposes
If your multifamily project is modest in scale (e.g. 12–18 units or 2–3 stories), SEVEN SUN can manage both product and installation.
Heavy Commercial Projects (Supply Only):
For larger commercial developments, we provide supply-only services with complete technical support. These include:
- 4+ story apartment and condo buildings
- 50+ unit residential complexes
- Mixed-use buildings with retail and residential
- Hotels and resorts
- Schools, universities, and institutions
- Hospitals and medical centers
! We do not install products for these heavy commercial projects, but provide expert guidance, delivery coordination, and full product documentation.
Engineered for High-Performance & Longevity
OKNOPLAST window systems are manufactured using thermally broken aluminum or unplasticized PVC (uPVC) — delivering superior insulation, soundproofing, and durability for demanding use in all commercial environments.
Modern Design with Custom Finish Options
These windows feature slim profiles, large glass areas, and sleek finishes, including Jet Black Matt and full RAL color range. Perfect for modern architecture, retail facades, or multi-unit housing aesthetics.
Built to Meet Commercial Code & Energy Standards
All OKNOPLAST commercial windows meet or exceed local and national energy codes. Glazing packages are ENERGY STAR® certified and help reduce utility costs while enhancing interior comfort and performance.
Trusted by Contractors, Developers & Architects
We work with contractors, builders, developers, and architects to ensure commercial window systems align with project requirements. From shop drawings and submittals to delivery coordination, SEVEN SUN supports every phase of the commercial process.
Technical Specifications Included
All commercial orders include comprehensive product data:
- U-values and glazing options
- Frame profiles and materials
- Finish and color details
- Hardware, locking systems, and accessories
SEVEN SUN is your trusted source for OKNOPLAST commercial windows in Connecticut and Western Massachusetts. Whether you’re developing a small office suite or a high-density residential complex, we deliver performance-grade systems tailored to the scale of your project.
We install light commercial and small apartment builds. For larger commercial developments, we offer expert supply-only service with full specs and logistics support.
Request your FAST Free Quote today — and get the right OKNOPLAST windows for your next commercial project.

