Thermo-Seal of Montana Windows
Thermo-Seal of Montana Windows

Best economy-class white vinyl windows

ECOLITE™ VINYL WINDOWS

The ProVia® EcoLite™ window series provides the right combination of sturdy construction and energy efficiency, making it the best vinyl window option on the market in the category of economy-class, affordable windows.

These U.S.-made white vinyl windows are ideal for both single family and multi-family homes as affordable new construction or replacement windows. The EcoLite white vinyl windows exceed the performance of other economy windows, independently tested and certified against the most stringent requirements for air and water infiltration, wind load resistance, ease of operation, forced entry, and more.

We understand the importance of being comfortable, and the role that well-built vinyl windows play in the year-round comfort of a home. Our EcoLite economy windows are designed to be affordable and to keep unwanted heat and cold out of your home.

Uncompromised durability and performance

KEY FEATURES OF ECOLITE WINDOWS

| Constructed of low-maintenance vinyl

| Superior-weatherability; withstanding the effects of heat, UV light, and harsh weather

| Reliable construction that outperforms competition

Simplified options with no sacrifice in quality

STYLES OF ECOLITE WINDOWS

  • Thermo-Seal of Montana Window Types

    Double Hung Windows

  • Thermo-Seal of Montana Window Types

    Picture Windows

  • Thermo-Seal of Montana Window Types

    Slider Window

  • Thermo-Seal of Montana Window Types

    Shaped Windows

  • Thermo-Seal of Montana Windows

    Hopper Windows

Leave a Lasting Impression

WITH OUR HOME PRODUCTS

Fresh and bright

ECOLITE WINDOW COLORS

ProVia’s EcoLite windows are offered only in white, with high-quality vinyl interiors and exteriors.

Additional Details

  • Stepping beyond clear glass
    ProVia’s EcoLite windows are available with popular glass options that are not typically available with economy windows, enabling you to improve the comfort and curb appeal of your home.
    » LEARN MORE

    • Clear Glass

    • Privacy Glass

    • Tinted Glass

  • The perfect finishing touch
    Your window trim shouldn’t be an afterthought, a detail your installer is required to cut to fit, paint or stain and then install. With ProVia’s MasterFit™ trim system, the hard work is done in our factory, where we can guarantee a precise, custom-fit and long-lasting factory applied finish.
    » LEARN MORE

Thermo-Seal of Montana Windows

Need some inspiration to get your home replacement window project started? Browse our gallery to see how others have used ProVia custom windows on their home—from double hung, slider, and casement windows to picture windows, shaped windows, and more.