For those who have used solar powered appliances in the past they have definitely seen a significant impact in their electric cost. When you talk about solar power cost people are trying to be more aware of the benefits both long term and short term. If you are trying to make changes in your home it would be best to start placing windows on the south, and that is if you are in the north side of the equator. When you do this you are assured that you can maximize the benefits of letting natural light enter your home. Once this happens you no longer need to turn on the lights during the day.
People should always be conscious in considering the things that they install especially if it involves the environment. Try to make sure that you have enough windows in areas that are commonly used. Most of the time this would be the living room and kitchen, when you are trying to make changes in your home make sure that these areas are well ventilated and there is enough natural light entering these areas. Once you do this you may see a significant decrease in your electric bill.
Credit: renewable-energy-dummies.blogspot.com