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ClimaGuard 55

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ClimaGuard®

ClimaGuard 55

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Double-silver coating that delivers triple-silver performance

Guardian ClimaGuard 55 glass offers a best-in-class solar heat gain coefficient (SHGC)¹, and provides powerful solar control to help reduce uncomfortable heat and glare without darkening rooms or compromising the view. It’s ideal for waterfront and mountain settings – and anywhere in between – throughout the Southern, South-Central and Northern regions.

Thanks to its advanced performance, ClimaGuard 55 glass can help window manufacturers meet and exceed ENERGY STAR® V7 requirements. Pair with ClimaGuard IS 20 fourth surface coating to further elevate performance.

1 Among mid-VLT products (as of this publication). Mid-VLT refers to products with visible light transmission between 55–65%.

ENERGY STAR® prescribes a set of NFRC-certified U-Factor and solar heat gain (SHGC) rating levels for windows that meet its performance criteria across U.S. climate zones. It also defines a set of “equivalent enery performance” criteria specifically for windows that may be similarly certified for the Northern Climate Zone

Center-of-glass performance calculated according to NFRC-100 based on an energy efficient frame with argon fill and warm edge spacer (IS 20 interior surface coating), and dual pane glass thickness of 3 mm and triple pane of 2.3 mm.

Product information

Substrates

Clear Float 2.3 mm (3/32") - 5 mm (13/64")

Applications

Windows

Manufacturing Options

Edge deletion
Annealed
Dual Product (Annealed and Heat Treated versions)
Must be Heat Treated
Tempered

Recommended Coating Positions

Surface 2 (double IGU)

Maximum Size

<96"x144"

Edge Deletion

Glass Type

Double Silver Coated Glass
Low E

Glass Functions

Improved aesthetics
Reduced glare
Solar control

Fabrication Options

Must be used in an Insulating Glass Unit

Appearance

Neutral

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Substrate

There is only one substrate available for this product

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Left sky conditions

Right sky conditions

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Performance data

The glazing make-up suggestions below are pre-defined to provide examples of commonly used combinations of products. There are many other glass combinations available at Glass Analytics.

Default Performance Data
Performance Calculations

Double Glazed
Triple Glazed

Double Glazed

GLASS: Guardian Clear Glass (North America) Glass, 1/8" (3mm) (2-ClimaGuard® 55 (North America))

GAP: 10% Air, 90% Argon 12.7mm

GLASS: Guardian Clear Glass (North America) Glass, 1/8" (3mm)

Calculated Values are in accordance with NFRC2010

Performance Values

Visible Light

Transmittance (τv)

55 %

Reflectance outside (ρv)

15 %

Reflectance inside (ρv)

19 %

General Color Rendering Index (CRI)

94.8

Ultraviolet

Transmittance UV (τuv)

15 %

Solar Energy

Solar transmittance (τe)

23 %

Reflectance outside (ρe)

42 %

Reflectance inside (ρe)

49 %

Solar absorptance (αe)

35 %

Solar Heat Gain Coefficient (SHGC)

0.26

Shading Coefficient (sc)

0.29

Thermal properties

Winter night U-Value

0.243 Btu/hr·ft²·F

Summer day U-value

0.215 Btu/hr·ft²·F

Light to Solar Gain

Light to Solar Gain (LSG)

2.15

Triple Glazed

GLASS: Guardian Clear Glass (North America) Glass, 1/8" (3mm) (2-ClimaGuard® 55 (North America))

GAP: 10% Air, 90% Argon 12.7mm

GLASS: Guardian Clear Glass (North America) Glass, 1/8" (3mm)

GAP: 10% Air, 90% Argon 12.7mm

GLASS: Guardian Clear Glass (North America) Glass, 1/8" (3mm)

Calculated Values are in accordance with NFRC2010

Performance Values

Visible Light

Transmittance (τv)

51 %

Reflectance outside (ρv)

18 %

Reflectance inside (ρv)

24 %

General Color Rendering Index (CRI)

94.0

Ultraviolet

Transmittance UV (τuv)

13 %

Solar Energy

Solar transmittance (τe)

21 %

Reflectance outside (ρe)

43 %

Reflectance inside (ρe)

45 %

Solar absorptance (αe)

37 %

Solar Heat Gain Coefficient (SHGC)

0.24

Shading Coefficient (sc)

0.27

Thermal properties

Winter night U-Value

0.183 Btu/hr·ft²·F

Summer day U-value

0.177 Btu/hr·ft²·F

Light to Solar Gain

Light to Solar Gain (LSG)

2.14

Performance Calculations

ClimaGuard®

ClimaGuard 55

Monolithic Not Laminated Monolithic Laminated Double Glazed Not Laminated Double Outer pane Laminated Double Inner pane Laminated Double Inner and Outer pane Laminated Triple Glazed Not Laminated Triple Outer pane Laminated Triple Inner pane Laminated Triple Inner and Outer pane Laminated

With the performance calculator, you can quickly calculate the performance data that matches your own glazing make-up

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2 Middle Pane
3 Inner Pane
4 cavity
5 calculation format
6 Results

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Double Glazed

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Double Inner pane Laminated

Double Inner and Outer pane Laminated

Triple Glazed

Triple Outer pane Laminated

Triple Inner pane Laminated

Triple Inner and Outer pane Laminated

Outer Pane

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Glass thickness are symetrical and represent the glass to be laminated

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