Thermo-Tech Premium Windows and Doors

Super High-Performance R5-Plus Windows Performance Data

Energy Guard Triple Pane Insulated Glass – available in Classic Series and Thermo-Fit for windows listed below.

The lower the U-Value and the higher the R-Value, the better the window is at reducing heat loss.

Energy Guard PLUS Triple Insulated Glass (ENERGY STAR Most Efficient)

Triple insulated glass with high-performance LoĒ² 272/Argon on two glass surfaces
Window StyleU-ValueR-ValueSolar Heat Gain
no/Grids
Solar Heat Gain
w/Grids
Visible Light
no/Grids
Visible Light
w/Grids
Condensation
Resistance

U.S.Energy Star
Zones no/Grids

U.S. Energy Star
Zones w/Grids

U.S. Zones Energy Star
Most Efficient no/Grid*

U.S. Zones Energy Star
Most Efficient w/Grids*
Casement.175.88.24.22.38.3476N, NCAllN, NCAll
Horizontal Slider.254.00.28*.45*63NC*-*
Single-Hung.263.85.28*.45*62-*-*
Double-Hung.273.70.27*.43*62-*-*
Direct-Set Picture
Window
.156.67.31.28.51.4674N, NCN, NCN, NCN, NC
Fixed Casement
Picture Window
.166.25.28.25.45.4075N, NCN, NCN, NCN, NC
Awning.175.88.24.22.38.3476N, NCAllN, NCAll

*Not available.

Energy Guard Triple Insulated Glass (ENERGY STAR Most Efficient)

Triple insulated glass with high-performance LoĒ³ 366/Argon on two glass surfaces
Window StyleU-ValueR-ValueSolar Heat Gain
no/Grids
Solar Heat Gain
w/Grids
Visible Light
no/Grids
Visible Light
w/Grids
Condensation
Resistance

U.S.Energy Star
Zones no/Grids

U.S. Energy Star
Zones w/Grids

U.S. Zones Energy Star
Most Efficient no/Grid*

U.S. Zones Energy Star
Most Efficient w/Grids*
Casement.175.88.16.15.31.2877NC, SC, SNC, SC, SNC, SC, SNC, SC, S
Horizontal Slider.254.00.19*.37*63NC, SC, S*-*
Single-Hung.254.00.19*.37*62NC, SC, S*-*
Double-Hung.263.85.18*.35*62SC, S*-*
Direct-Set Picture
Window
.156.67.21.19.41.3775AllAllAllNC, SC, S
Fixed Casement
Picture Window
.166.25.19.17.36.3276AllAllNC, SC, SNC, SC, S
Awning.175.88.16.15.31.2876NC, SC, SNC, SC, SNC, SC, SNC, SC, S

*Not available.

Northern Excellence HSHG Triple Insulated Glass (ENERGY STAR Most Efficient)

Triple insulated glass with high-performance LoĒ 180/Argon on two glass surfaces
Window StyleU-ValueR-ValueSolar Heat Gain
no/Grids
Solar Heat Gain
w/Grids
Visible Light
no/Grids
Visible Light
w/Grids
Condensation
Resistance

U.S.Energy Star
Zones no/Grids

U.S. Energy Star
Zones w/Grids

U.S. Zones Energy Star
Most Efficient no/Grid*

U.S. Zones Energy Star
Most Efficient w/Grids*
Casement.185.56.38.34.46.4276N, NCN, NCNCN, NC
Horizontal Slider.263.85.45*.55*63N*-*
Single-Hung.263.85.44*.55*62N*-*
Double-Hung.254.00.42*.52*61-*-*
Direct-Set Picture
Window
.166.25.50.45.62.5674NNNN
Fixed Casement
Picture Window
.175.88.44.40.54.4974NN, NCNCN, NC
Awning.185.56.38.34.46.4274N, NCN, NCNCN, NC

*Not available.
All tests conform to NFRC 100-2010, NFRC 200-2010, NFRC 400-2010, NFRC 500.

Energy Guard Structural Performance Data

TypeSize TestedClass/Performance GradeAir InfiltrationWater InfiltrationForced Entry
Casement30 x 72LC - 50.03cfm/ft212.12 psfGrade 10
Awning48 x 39LC - 40.03cfm/ft212.12 psfGrade 10
Direct-Set Picture
Window
72 x 72LC - 50.01cfm/ft212.12 psfGrade 10
Fixed Casement
Picture Window
72 x 72LC - 40.01cfm/ft212.12 psfGrade 10

The windows and doors described herein meets or exceeds the AAMA/WDMA/CSA101/I.S.2/A440.

Ratings depend on size tested. Our products are tested for performance regularly. Test results subject to change.

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