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Premier Steel Windows in New York City

When searching for windows, you’ll find that many companies force you to choose between practical functionality and a beautiful design. At Portella Steel Doors and Windows, we believe windows should be both a centerpiece of design and a functional tool for energy efficiency. Since we design, engineer, and manufacture custom steel windows for our clients in New York City at our family-owned facility, we can give you everything you need AND everything you want for your new custom steel windows.

Our metal windows are made from 100% recyclable, durable steel, which is good for the planet and for your project. Portella is also a market-leader in sustainability, which means our custom steel windows exceed all industry standards, in addition to creating a luxurious, high-end finish to your new build or renovation project in New York City.

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Technical Specifications

All windows are not created equal. At Portella, we have our own manufacturing facilities, which means we have the ability to design and manufacture the perfect custom steel windows for your project. We take pride in creating windows using the highest standards and technical specifications, including:

  • NFRC-rated meeting new 2020 energy code requirements and Title 24
  • Double glazed (single and triple available for some models)
  • Glass: Cardinal 366 over clear tempered
  • Available in standard and custom paint options
  • True divided lite construction
  • Carbon steel, stainless steel and bronze options
  • Hinges: Adjustable steel post in barrel with ball bearing
  • Continuous steel mounting flanges with orientation options

New York City Custom Windows Details

At Portella, we design and manufacture custom steel windows with an attention-to-detail that is unmatched in the industry. We combine style and functionality to design and manufacture windows that will last a lifetime. All Portella steel windows and doors are put through a rigorous testing and development cycle to ensure that every product we produce is of the highest quality. All of our custom windows are designed to elevate your project, while offering energy-efficient and temperature-resistant qualities such as NFRC-rated, thermally broken, laser fusion welded, and cold-rolled options. These features allow windows to maintain and control erratic temperature fluctuation to ensure a comfortable home or business for years to come. 

We currently manufacture four lines of custom metal windows for clients in New York City:

  • Thermally broken: Thermal steel windows offer incredible durability and surpass all current energy efficiency requirements. We design your windows to last even when they’re up against the harshest climatic conditions.
  • Classic: The class style of custom windows is a perfect match for contemporary architecture, bearing sleek lines and minimalist profiles that invite a flood of natural light into your home.
  • Storefront exterior: The storefront exterior line of custom windows gives your storefront a unique steel window look with all the strength and durability needed to support commercial projects.
  • Storefront interior: For the storefront interior custom windows, you can create office and commercial spaces with a distinct, stylish look. With steel custom windows, the glass and steel are an ideal fit for the modern interior environment.
Download Full Warranty
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How to Order

Choosing the right windows for your project doesn’t have to be a hassle. While the options for size, shape, style, overall quality, etc can feel overwhelming. At Portella, we make the process easy from start to installation. We’ll begin by collecting all the details about the windows you need for your project. Then, we’ll provide an in-depth quote covering all aspects of your build that you can review and approve.

Once we move into production, you’ll have a dedicated project manager that will be your single point of contact throughout the entire process. Your project manager will be available to answer any questions you have about the project. At Portella Custom Steel Doors and Windows, our goal is to provide you with the best custom windows and the best customer service in the industry.

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Why You Should Choose Portella For Your Custom Windows in New York City

At Portella, our goal is to make sure our products and service stand out from the crowd. Here’s how we do it:

  • Quality: Our state-of-the-art manufacturing facilities and expert design specialists ensure every project is a stunning success.
  • Price: We keep prices for our custom steel doors and windows low by keeping every stage of the process in-house to avoid additional markups.
  • Superior climate durability: Reduce your energy bills with custom windows that are designed especially for the climate of your specific location.
  • Custom-fit: We create custom windows and frames that are suitable for virtually any commercial storefront application.
  • Energy efficiency: Our windows are NFRC-rated and exceed all energy efficiency requirements.
  • Warranty: We stand by our work. Our warranties are among the best in the industry.
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Request a Quote

Get in touch to request a quote and get started on your New York City custom window project today.

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