Most of these are onetime expense and you only have to bear fixed cost to enjoy peace of mind for the rest of your life. Scientists and engineers are working to make these alternative resources perfectly functional for residential units and their production on commercial scale will bring down their prices soon. Each month your electricity bills give you a shock? And you always think of keeping a close check on electricity usage? It's quite simple if you really want to 'audit' your electricity expenses. Similar to an official audit, your home energy audit will give you a clear understanding of the usage per appliance, the peak hours of electricity consumption and cost-benefit analysis. If we compare solar energy systems and electrical energy generated systems then solar systems are very easy to maintain. As we all know they solar systems run with the energy of sun so we have no need to buy fuel for refilling the system. They required maintenance but not as much as electrical system required. In this case, a front loading machine is a better technology then the conventional ones since it saves us 50% on water and 50% on energy. Similarly, dishwashers use the same amount of energy regardless of wash load so it is better to load our dishwashers fully. Most of the heat part of our systems is lost when our basements have leaks and drafts on the walls. Your house should by your principal residence. If you have applied for improvement tax credits, you could be decreasing your income tax amount by receiving certain amount of money to each of specific energy-efficiency improvement items installed or going to be installed in your house. Following are the energy-efficient home improvement items appropriate for the tax credits. Clean air filter doesn't ask the heating system to do some extra work. 2. A clean air filter provides clear air even the house is insulated. 30% straight savings come from leak free ducts of our heating systems so if we can make sure that there are no leakages there then we can save a good chunk of money from it.