1. Insulation the proper thickness and new if needed.
2. Filling all cracks holes and other air leaks around your house. New weather striping.
3. Update all appliances that you can to Energy Star rated appliances it does make a difference.
4. New windows. Dual pane insulated windows and new exterior doors.
5. CFL light bulbs in all fixtures. I have been using them since they were first introduced and they have come a long way. I still have some of the first bulbs I purchased in the late 90's and they work just fine. If you break them don't freak out they will not kill you. I have broken a few and have no diseases or third eyes growing in my forehead. Simply sweep up the broken pieces and DO NOT CUT YOUR SELF. Triple bag it and throw it away.
6. Update your old thermostat to a programmable digital thermostat. Set it for 80 when you are away and 78 when you are home.
7. Update your furnace or A/C unit. There are incredible efficient models available on the market.
8. New insulated siding or a heat reflective coating on your home.
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House Hunters - 1999 Energy-Efficient Home was released on: USA: 29 May 2008
To remodel your house to make it more energy efficient, in order to cut down on some electricity bills is a good idea. Some of the energies that you can move onto is Solar panels and wind energy.
Putting new windows in the home will not make the house more energy efficient. There would have to be a specific type of glass in the window.
A smart house is as efficient as the home owner makes it. If you have used recycled wood, plastic, glass to build your home. If you've placed the most energy efficient appliances in your home. Then you have a pretty efficient home.
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A nice energy efficient house for a school project can include solar panels to get greener methods of heating water or warming the house. The project can also include insulation to make sure that any heat generated is not lost to the environment.
The best energy efficient windows would be those that allow light in but not the warming rays of the sun. Some windows have a reflective coating that keep heat from penetrating.
That depends on a quite a few things. How large is your house? How well insulated it is? How many doors and windows do you have? How efficient are they? Where is your house located? Do you have a lot of shade? How efficient is your furnace?
Following are some factors that makes your house an energy efficient house. Daylighting through windows, skylights and other openings to reduce the need for lights. Natural ventilation utilizes outdoor air and winds to bring fresh air into a house. In addition, solar energy can be used to reduce the need of heating. Green roofs to provide additional benefits such as air purification
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The question is better defined as "What the most energy efficient portable heater?" Because one would assume that you will want to be able to take the heater with you when or if you move.
Ask This Old House - 2002 Energy Efficient Water Heater Leveling Concrete Walkway 7-13 was released on: USA: December 2008