Following are the energy-efficient home improvement items appropriate for the tax credits. 1. You may get credit of about $200 by installing exterior windows. 2. $300 is the credit for installing water heaters, heating pumps and central air conditioner. 3. Insulation items, exterior doors and metal roofs can bring up to total credits of $500. You can perform this energy audit yourself if you have the necessary knowledge of energy requirements, consumption pattern and methods to measure energy leakage. Otherwise you can hire an 'external auditor' that has been trained for such purpose and are well-equipped for the assessment. They have the blower doors and infrared cameras to assess the loss of cooling and heat from a house. The reason is that are not required to spend to the extent of $2000 a year for energy. A regular house that spends this much amount often misuse the power and ultimately their money. As the use of electricity increases, the bill cost will surely gone higher. There are five significant and basic means of cutting down the energy consumption in your houses. All the electrical appliances and gadgets add up to our burden of power bills month after month until you start thinking about depriving yourself of all those technologies you had once bought to make your life easier, so, instead of completely ruling them out of your life we should work a bit on how they can be used effectively. Buy well reputed brand that guarantee quality and are most efficient, so that you won't repent at your investment. These devices are very simple to install under walls, floor and ceilings but it is advisable not to install them yourself, call a technician for installation of energy saving devices. Home energy saving devices is available in two categories in markets. Controlled use of these devices will result in lowering electricity bill. Other way is the use of home energy saving devices. By replacing and adding home energy saving devices will not only help you the efficient and effective energy use but also cut down cost of electricity usage considerably. Home energy saving devices are important in tow ways, fist is that it helps you to save the dollars by cutting down your electricity cost.