Panasonic WhipserGreen Exhaust Fan WhisperGreen ENERGY STAR® rated exhaust fans incorporate highly energy efficient DC motors. These models come with variable 2-speed and delay timer controls built-in or as a single speed fans. A motion sensor model is also available. WhisperGreen models are ideal exhaust fans to comply with Green building IAQ standards.
INFOGRAPHIC: 50 Ways Your Home Could Help Save the Earth
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Graphic explaining important aspects of a passive house. This style of construction was first established in Germany and uses rigorous standards for energy efficiency in a building, reducing its ecological footprint. This ultra-low energy building style requires little energy for space heating or cooling. Passivhaus is a huge step in the right direction for sustainable community development. Graphic provided by The New York Times.