Residential Low-E Coating
Low-E stands for low emissivity.
A low-E coating is a transparent metallic oxide layer on a pane of glass that provides additional protection from the heat of the sun. The metallic oxide coating can be combined with gas fillings in order to form the equivalent of an additional layer of window glazing.
The advantages of having a low-E coating are that in a climate where you want to block heat loss, the e-coating can be applied to cavity surface 3 on the inner pane of glass in order to keep heat in. If you want to block excess heat from entering the space then you can place the e-coating on the inner face of the outer pane of glass, thus maintaining a comfortable temperature without the need for costly air conditioning.
Low-E with Solar Control Advantages.
Guardian offer several Low-E coating solutions, namely SunGuard High Selective SN 70-37 for east, west and south facing elevations and SunGuard High Selective SN 62/34 for south facing elevations. Both types produce exceptionally low U values which will help to reduce your heating demands and thus save you money. In northern facing elevations, the ClimaGuard glass offers low U values in order to keep the area warm, thus lowering heating costs. A high solar heat gain allows the limited solar heat on this face to be used throughout the year to heat this elevation.
Guardian’s Thermal Insulating Glass Clima Guard A+ has a low 1.2 U-value, 71% solar heat gain and an exceptionally neutral appearance, which means that windows using this product will easily achieve an ‘A’ rating, whilst also exceeding existing building regulations. At the same time, window energy rate performance is optimised.