Passive Solar Energy

The Use of Solar Energy will be very critical in the near future. By using this passive solar energy you can heat water, heat your swimming pool or even heat your home. Make your home or building space a cool place in the rising summers or simply light up your home or building space.

My friend you would ask, "What’s in it for me?”

You will have more savings in your energy bills, by reducing your heating, cooling & lighting electricity requirements. My friend, you will have a fatter wallet!

Applications of Passive Solar Energy

Passive solar energy can be used in some of the following ways...

  • Daylighting

  • Passive Solar Heating

  • Passive Cooling



Daylighting can be termed as a method of using natural light for illuminating building spaces like your home, office etc. Daylighting gives your building space access to natural light. This gives the building an aesthetic look and feel and also reduces your building’s electricity costs.

How can you accomplish a Successful Daylighting Strategy? Here’s How!

  • Make use of Exterior Shading to diffuse the incoming sunlight
  • Slope Ceilings in order to direct more light into your building space
  • The location and size of Windows according to the need of your daylighting requirement, while you keep in account of the important aspects like Distribution, Glare, Heat loss, heat gain not to forget the availability of sunlight throughout the daytime.

Passive Solar Heating

In Passive solar heating you work with nature to heat your house or a building without using any heaters or fans. By correctly positioning the house and the windows, selecting the right types of materials you can take advantage of the winter sun to shine in your house and warm. Whereas in the summer, the sun is high so your building remains shaded and doesn’t get overheated. Do you wish to know more? Then take a look at Solar Space Heating

Here are a few ways in which you can use passive solar heating.

  • Have your home or building oriented towards the south for providing maximum exposure , the more shadow free south side the better

  • Insulate your building or home using materials like foams, fiberglass, cellulose etc for reducing heat losses

  • Make use of material like concrete, insulated concrete forms, tiles to add to the heat capacity of your house or building

  • Window sizing must be optimum for better heat gains

Passive Cooling

Passive Cooling serves the purpose of reducing the heating effect of the summer sun on your home or building. This can be done by following some of the guidelines

  • Design has to be made for improving cross ventilation in the building space. This can be done by reducing the barriers to natural ventilation

  • Use External Structural Features and Landscaping to add to the cooling effect. Adding some trees would also be good, make sure they keep you south shadow free if you are using solar panels

  • Orient your home in such a way that it gets the most of the cool breeze

  • Use of insulation will help you keep your building cool during the hot summer’s

  • The Placement and sizing of Windows is of outmost importance for naturally cooling the house. Care must be taken to minimize the heat gain from the windows

Passive Solar Energy – Make nature your team player

Solar Energy in its naturally available form is freely available, but my friends why not take advantage and use it for our benefit. You know it’s free, clean, green and economical.

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