NFRC  Quality Windows

HIRS uses only quality products that are NFRC Certified to keep a home protected from the elements during times of inclement weather while allowing a cool breeze in on those wonderful sunny days. All our products feature dual-pane LoE³-366 glass. When combined, Duralite spacers and argon gas fill* ensure outstanding thermal performance and energy savings.

Efficient Temperature Control

The windows and doors we use deliver the ideal balance of solar control and high visibility, are compliant in every ENERGY STAR zone and provides the highest levels of year-round comfort and energy savings. It’s the perfect glass wherever you live.

Vinyl

Only 100% u-PVC, are UV and weather tested to ensure a window will endure the elements door will never yellow or crack.

Patented Quality Insulation

Pure Vinyl Window Series products feature Duralite spacers that provide maximum insulation between glass panels. The energy inside the home is kept where it should be, inside. Keep the heat out during the summer months and cold out during the winter.

• Composite laminating technology
• Polycarbonate spacer element, no metal
• A unique patented design
• Smooth surface appearance
• Black sightline
• Proven adhesive technology
• Superior argon gas retention
• Minimal compression required
• Lower conductivity polymeric warm edge spacer
• Improved condensation resistance
• Warmer edge of glass temperature

Efficient Temperature Control

Glazing Options

Dual pane glass comes standard in all series and features loE3 glass, argon gas filled chambers, and Duralite® spacers for excellent thermal performance and energy efficiency

  • High quality Cardinal® glass
  • Argon gas filled chamber
  • Duralite spacer with Warm Edge technology

NFRC Certified Quality

NFRC certification gives consumers the assurance that your product has been rated by the world’s foremost expert in window, door, and skylight performance, in addition to ensuring compliance. U-Factor ratings for windows generally fall between 0.20 and 1.20. The lower the U-value, the greater a window’s resistance to heat flow and the better its insulating value.