Thermo-Tech Premium Windows and Doors

More Glass Options For A Clear Advantage


Thermo-Tech Premium Windows and Doors offers energy-saving glass performance packages to fit a variety of needs. Each are thoroughly tested for thermal performance to the most widely recognized national standards. This ensures that our windows will provide a lifetime of reliable, energy saving performance.


High Performance LoĒ2™ 272/Argon

Double Insulated Glass with LoĒ2™ 272/Argon on one glass surface

Thermo-Tech windows come standard with double-pane insulated LoĒ² 272 glass featuring two panes of double-strength glass with an argon gas filled airspace for superior insulation.

Premium High Performance LoĒ3™ 366 /Argon

Double Insulated Glass with LoĒ3™ 366/Argon on one glass surface

Northern Excellence HSHG LoĒ™ 180/Argon

Double insulated Glass with LoĒ™ 180/Argon on one glass surface and I89™ on interior surface

Energy Star Most Efficient

Energy Guard PLUS Triple Insulated Glass

Triple Insulated Glass with high-performance LoĒ2™ 272/Argon on two glass surfaces

Energy Star Most Efficient

Energy Guard Triple Insulated Glass

Triple insulated glass with high-performance LoĒ3™ 366/Argon on two glass surfaces

Energy Star Most Efficient

Northern Excellence HSHG Triple Insulated Glass

Triple insulated glass with high-performance LoĒ™ 180/Argon on two glass surfaces

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