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Windows—which are 80% glass—can be one of the largest areas of energy loss on a home.   You might think of the glass as being fragile, yet it's one of the most powerful elements in achievinig super-efficient, weathertight performance.

Gentek windows with high-performance insulating glass from Guardian will protect your home from absorbing outside heat in the summer and losing indoor heat during the winter.


Summer Energy Savings & Comfort. Low-E insulating glass reduces heat penetration from solar energy.

Get the BarrierXP™ Advantage!

 BarrierXP insulating glass packages  maximize thermal efficiency and energy savings, while minimizing the damaging UV rays that cause carpets and furnishings to fade.

  • In winter, BarrierXP increases R-Value (resistance to heat flow) by more than 100%
  • In summer, BarrierXP reduces solar heat gain by almost 48% to help reduce air-conditioning costs

The Value of Argon Gas

Super-insulating argon gas between the panes of glass counteracts heat/cold conduction.  Invisible gas acts a brake on energy losses for superior thermal performance.  Argon gas also helps to reduce noise infiltration.

Look for the NFRC Label

The National Fenestration Rating Council (NFRC) is a non-profit industry organization that is committed to providing accurate, fair and reliable testing data to help consumers, architects and builders compare the energy performance of window and door products.  The lower the U-Factor, the less money you'll spend heating your home.  The lower the Solar Heat Gain Coefficient (SHGC), the more you'll save on air-conditioning costs.


Winter Energy Savings and Comfort. Low-E insulating glass reduces heat loss by reflecting warm air back into your home.



Gentek windows are engineered for maximum thermal efficiency.  Heavy-duty sash and main frame, multi-layer weatherstripping, airtight insulating chambers, bulb seal, and the PPG Intercept™ Warm Edge Spacer System help block air infiltration and reduce heating and cooling costs. 

For even greater energy savings, choose our BarrierXP™ insulating glass package.  BarrierXP combines Guardian Acclimate™ RLE (Residential Low-E) glass and argon gas, along with the PPG Intercept Warm Edge Spacer System, to achieve the ENERGY STAR rating for energy savings.

ENERGY STAR is a government-backed voluntary partnership program sponsored by the U.S. EPA and the U.S. DOE, which promotes environmental protection and superior energy efficiency in products, buildings and homes.

An average household spends more than 40% of its annual energy budget on heating and cooling costs.  You can save up to 15% of your total energy bill with ENERGY STAR qualified windows.


Corbitt Vinyl Products
Hazlehurst GA 31539
(912) 375 9338 Bus Line