SELECTIVE GLAZING FOR SUN CONTROL

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1 SUN CONTROL GLAZING SELECTIVE GLAZING FOR SUN CONTROL Sun Factor 1st level performance for direct solar energy Solar energy control Solar control coating Only if the glass is exposed to sun rays! 2nd level performance for direct solar energy Thermal barrier control Low emission insulating glazing Active 24/7! U-Value - Combination of 1st and 2nd level performances - 3rd level selective glass - Maximum performance

2 COMPARISON OF LOW EMISSION AND SELECTIVE GLASS Composition

3 High performance glass Sun factor = FS % Solar radiation incident on a vertical wall = 800 W/m2 Traditional Insulating Glazing Low Emission Insulating Glazing Energy N Selective Insulating Glazing

4 High Performance Glazing Comparison of performances in the summer Traditional insulating glazing VS Selective insulating glazing

5 High performance glass Comparison of performance in the summer Parameters taken into account: Residential housing on one level Climatic area E ( degree days, ex. Turin, Milan, Venice, Perugia ) Surface of the housing: 130 m2 Height of the rooms: 2.9 mt Total surface of the glazing: 22 m2 Conditions of standard occupation of the house (5 people) Data processing performed in the living room Room exposition: South-East Month: July

6 COMPARISON OF PERFORMANCES IN THE SUMMER Trend of indoor temperature Traditional insulating glazing (4/12/4) Energy insulating glazing (4/12/4) Outdoor temperature Ideal indoor temperature, according to UNI-ISO 7730

7 Comparison of performances n the summer period Trend of the indoor temperature, in air-conditioned housing Conditioning with traditional insulating glazing (4/12/4) Air conditioning working time: I.G. = 1h 45 minutes Selective I.G. = 30 minutes Conditioning with Energy insulating glazing (4/12/4) Traditional insulating glazing Energy insulating glazing Indoor pre-set temperature Air conditioning on/off

8 Analysis of the results Summer period (May September) Slow heating up of the rooms Reduction of the peaks in indoor temperature Lower overheating Considerable reduction of the cost of air conditioning; about 70% compared to a room with standard insulating glazing Reduction of the cost of purchase of an air conditioner

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