Looking at Energy Generation, this graphic shows the cost to provide new electrical power. By far the least expensive is to provide Energy Efficiency in our existing buildings. Less than half the cost to create available electricity by not using, then wind or solar or any of the fueled sources.
Remember the old cliche – “A Penny Saved, is a Penny Earned”. This is a good example of that thought in action. It is timely and cost effective.
If you could improve your house or commercial building by spending $1000.00 and save that much on your energy bills over 5 years – what is the rate of interest on that investment?
An energy audit, with a computer model of your home’s energy use would provide some specific examples of which improvement(s) would be cost effective for your house.