When the outside air temperature reaches 80^oF, surface temperatures of traditional black rooftops can be as high as 180^oF. Rooftop heat loads affect the amount of energy necessary to cool buildings to desired temperatures. Because of their insulating properties, GreenGrid^® green roofs have consistently and significantly reduced rooftop heat loads in warm seasons, even more so than reflective white roof membranes.

Because of its insulating properties, GreenGrid^® green roofs have greatly affected interior building temperatures, reducing the amount of energy needed to heat and cool buildings effectively. Green roofs have been shown to reduce heating and cooling costs from 25% to 50% for the floor directly below the roof. They can also significantly slow a building’s heat gain and loss. Roof temperatures under the GreenGrid^® modules are significantly cooler than their counterpart blacktop and reflective white membrane roofs.

As a result, the HVAC systems of buildings equipped with GreenGrid^® roofs operate more efficiently, translating in lower energy costs for the building owner.

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