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3M Sun Control Prestige 70: A California Case Study

Updated: Feb 29

California is a hot, humid and coastal state in the U.S.A. with a climate not unlike that of the far East. Hong Kong’s hot, sunny and humid climate can, at many times of the year mirror that of California so we took a look at one California residence to see what 3M Prestige 70 did for their home:


• Situation

The 4,200-square-foot home resonates with the natural setting, stepping down the steep hill in three tiers with windows sloping in harmony. An earth-covered roof, an expansive wall of windows facing the bay and skylights further integrate the residence with its surroundings.

In the main living area, windows consisting of 30 glass panes provide the most stunning view of the bay. But the east-facing windows meant extreme sun exposure all morning through early afternoon. This raised room temperatures to what the homeowner described as “unbearable levels.”

Window shades would block the precious view and, as the homeowner learned, cost four times more than window films. After a disappointing trial with a non-3M film and contractor, he turned to a 3M™ Authorized Dealer for a solution.

• Solution

The homeowner requested a window film that appears “non-existent.” The dealer suggested 3M™ Sun Control Window Film Prestige 70 for its high heat rejection and clarity. Nearly 650 square feet of Prestige 70 was installed on the interior of the windows.

The advanced window film helps block UV rays and infrared heat while allowing natural light in. The view? Virtually unchanged.


• Result

Magnificent views. Greater comfort. One cost-effective solution.

3M Sun Control Window Film Prestige 70 has helped reduce the temperature in the home by 10° to 15° F, making for one satisfied homeowner.

Another example of 3M™ Window Films working discreetly behind the scenes to help keep people cool, comfortable and protected.



Eco Glass work exclusively with 3M Solar Window films and are one of just a few 3M Authorized Applicators in Hong Kong. For more information on 3M Prestige 70 and the whole range of 3M films contact us on +852 5528 8824 or by email on info@ecoglassasia.com



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