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350 Series Windows

Why Choose Pella 350 Series?

  • You’re looking for Pella’s most energy efficient windows.
  • You prefer vinyl with a more premium look.
  • You want more strength and durability than typical vinyl products.
  • Innovative protection for your home and family.


Available 350 Series Windows

54% 83% more energy efficient with triple-pane glass compared to single-pane windows.

Exclusive energy-saving system. Pella 350 Series vinyl windows feature an exclusive energy-saving system which makes them Pella’s most energy-efficient products.

InsulShield Advanced Low-E triple-pane glass with argon

  • Protection from extreme temperatures.
  • Blocks 86% of the sun’s ultraviolet rays.

Frames have up to 18 insulating air chambers significantly more than ordinary vinyl to keep your home warmer in the winter and cooler in the summer.

Optional foam insulation increases energy performance.

A more premium look inside and out.

SmoothSeam interior welded corners are virtually invisible, yet strong and durable. A typical competitor’s interior corner welds are visible.

Distinctive detailing. Robust frame profile features a beveled edge for a polished look.

Unique design options.

Popular design features. Choose from grilles-between-the-glass or Simulated-Divided-Light grilles.

Wide selection of frame colors. Dual-color frame option offers White interiors with a choice of nine DuraColor exterior finishes. Solid-color White or Almond frames also available.

Stronger and more durable than typical vinyl products.

Pellas exclusive frame design features easy-care vinyl frames that are built to last.

Unique design options.

  • Reinforced frame that’s 83% stronger than ordinary vinyl.
  • Precision corner welding process helps ensure products will resist warping or twisting over time.


Stays looking great. Pella products are designed and tested to withstand high exposure to sunlight, humidity and extreme temperatures. Plus, Pella’s DuraColor exterior finishes exceed industry standards for fade resistance to help ensure long-lasting vibrancy.

Added security and comfort.

Outstanding impact resistance. Pella 350 Series offers products with HurricaneShield impact-resistant glass that meet the stringent Miami-Dade County and other coastal building code requirements.

Pella’s best choice for noise reduction. Pella 350 Series products with optional sound control glass deliver exceptional performance they help reduce outside noise like traffic and lawnmowers by 29% to 59% compared to a single-pane window.

Fewer worries about drafts. Pella 350 Series vinyl windows outperform the industry requirement for air infiltration by 50%.