Monday, August 22, 2011

A garden on the roof - Can it really Aid HVAC?


Rooftop Gardens Aid HVAC System

Rooftop gardens are offering much more than an aesthete appeal to nature lovers. The insulation provided by layers of soil help keep heat in a building during the winter and air conditioning during the summer. Anytime there is an airtight solution to reducing the frequency of operating a HVAC system, the better.

These gardens also help prolong the life of a roof and absorb rainwater, allowing runoff to be more gradual. Any type of natural shade aids in better HVAC control by shielding a building from winds and keeping the sun's rays from penetrating surfaces.

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