There are many aspects that go towards optimizing efficiency of usable energy in households. Energy efficient homes must be able to optimize the available power, without any wastage; save power and energy by minimizing their usage and generate and use alternate energy and must minimize their environmental footprint. Energy efficient homes are not only a great benefit for the homeowners, they also lessen their burden on the topography, natural resources and in general, minimize the damage caused to the environment. All homes have the potential to become energy efficient in some way or the other and people can adapt simple measures that can give them all the above mentioned benefits and also save them some costs in the process. All homes utilize energy for heating, cooling, lighting, powering appliances, powering mechanical and automobiles, etc. Each of these aspects of usage has a potential to be optimized, thereby becoming more energy efficient. Saving electricity by switching off appliances and lighting units when not needed is a part of energy efficient homes. So is using natural lighting methods or generating solar power for heating purposes, so on and so forth. Energy efficient homes are those that understand all the aspects of energy usage and optimize them for overall benefits.

Most of the energy efficient homes generate electricity on their own and utilize it for personal consumption. The most common method of generating electricity at home is through solar panel systems. These units can be customized for specific usages and also help in creation of environmental friendly power. Energy efficient homes also ensure that they save power by minimizing usage and eliminating wastage. They also ensure that they make use of naturally available resources to fulfill their energy needs. For example, the lighting needs of energy efficient homes can either be fulfilled by allowing more natural light into their house by the way of home design or can employ electricity generation through solar panels to fulfill their lighting purposes. The opportunity to optimize available resources and energy does exist for every household and the onus is on the individuals to identify their options and utilize them to the fullest. There are also environmentalists and energy efficiency experts who can offer professional and expert advice on making homes energy efficient. People must use these resources whenever they can and benefit from them. If environmental impact is not enough motivation, people can conform to energy efficiency methods, purely for the savings on cost that they can benefit from.