For making mobile homes cool you need a strong air conditioning system. For reducing the energy consumption in mobile homes you should use cool roof coating on your roof. But cool roof coating has one problem, it is not water proof. If you want to make your mobile homes cool, repaint your roof it will helps you a lot. No problem; there a range of alternatives, which will surely help you in reducing reduce the electric bill. Do not leave the refrigerator door open because it can increase your house energy utilization. The fridge will consume more electricity to maintain its inner temperature as cooling rushes out if the door remains open for long time. Modern era has really provided us the luxuries and comforts that our ancestors can never even imagine. For every task to be done there is a different kind of device available that can perform it efficiently and readily. But of course cost is attached to each and everything in life so these appliances do not work for free. 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. Seal the leaks all around your house and make it sure that the heat will not go outside. Leaks may come from doors, joints, windows and sills etc. The habitual maintenance examination on furnace will make it operating proficiently. In this way the space heat equates the electricity consumed. Use of clean air-filter will again ensure that you are getting good air recycling and clean air as well. It is the second largest power consumer after cooling/heating system of any house. Do not use hot water to wash your clothes because the job of germs eradication can be best done by detergents. With this precautionary measure you can save up to 90% of energy. 3. Small appliances like chargers of cell phones and iPods also adds to your energy bills.