ClimaGuard Energy Efficient ProductsThe proper balance between capturing and reflecting solar heat.It’s obvious that the heating and cooling requirements of a home in northern Maine are vastly different from those of a home in southern California. Since the height and intensity of the sun varies across the continent, and at different elevations, ClimaGuard Enhanced Solar Control Low-E Glass comes in a variety of formulations, each one matched to meet the energy and comfort requirements of a specific region or climate.
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For northern climates with increased heating
Visible Light: 81% | Solar Heat Gain Coefficient: .70
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For northern climates with primarily heating-dominated
Visible Light: 79% | Solar Heat Gain Coefficient: .68
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For regions with hot summers and cold winters,
Visible Light: 71% | Solar Heat Gain Coefficient: .38
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For climates that require improved solar control,
Visible Light: 70% | Solar Heat Gain Coefficient: .36
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Anywhere in the USA, ClimaGuard 63/31 provides
Visible Light: 63% | Solar Heat Gain Coefficient: .31
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For all ENERGY STAR zones in the USA,
Visible Light: 62% | Solar Heat Gain Coefficient: .27
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For western, southern, waterfront and homes exposed to bright sunlight, ClimaGuard 55/27 reduces
Visible Light: 55% | Solar Heat Gain Coefficient: .27
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For enhanced U-value performance, ClimaGuard IS
Visible Light: 88% | Emmissivity: ≤ .020
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![]() | For entry and patio doors or special applications like between-the-glass blinds, Guardian Neutral 70 delivers better performance and durability compared to pyrolytics.
Visible Light: 75% | Solar Heat Gain Coefficient: .68
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