Eco-homes. Innovative ways to Air-Conditioning

Building in a way that is environmentally, socially, economically, functionally and aesthetically balanced to meet today’s need and to conserve resources for future generation.
• Green/Recycled Building Materials.
• Energy- Efficient Design.
• Alternative Energy.
• Water and Waste Management.
• Indoor environmental quality enhancement.
• Cost and payback (Operational Savings).
Fly-Ash Bricks Attics
Orientation Pergolas.
Some Common Components
Why Focus on Air-Conditioning?
• Air Conditioning or Heating of building consumes highest 57 % of total energy.
• May vary from place to place and building to building.
• With the increasing of standard of living more and more conditioning systems are installed. Thus demand is increasing exponentially.
• If the initial design considers energy efficiency measures in these areas, substantial energy savings can be realized.
There are two ways of reducing the temperature:
• Direct Cooling, where the air is passed over a cold object such as the cooling coil of an air conditioner or pre-cooled stonework, its energy is actually absorbed by the object. So the cooling is done without adding any moisture.
• Evaporative Cooling, where the air makes intimate contact with a flowing stream of water, either in a wet pad or a spray. Here, while the temperature comes down, its total energy content remains the same, as the latent heat of water vapour is added. Thus while this air will cool a warm object such as a human body or some stonework, it will not reduce the air conditioning load.
Theory of Air Conditioning
Heat exchange takes place
Direct cooling
Evaporative cooling
Some Ancient Practices:
• In India, our massive heritage buildings remain cool and comfortable because they absorb solar heat during the day.
• Our ancestors had used mass and moisture innovatively to provide thermally comfortable built environments throughout the long and hot Indian summers while using little or no energy.
• Properly designed, the system works very well as can be felt during a visit to the Gol...

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