It is now much cheaper than in the past. The oil option is actually cheaper and more efficient than natural gas. With only 8 percent of homes in America utilize this type of heating system so it is best to contact local oil firms to determine what the most appropriate course of action may be. Air Conditioning. Air Condition. If you're trying to keep your home warm and green, it's equally important to keep a temperature that is comfortable. Before we discuss methods to improve the performance of the cooling system let's talk about the actual appliance. Have you taken a close look at your air conditioner's specifications? If it's old or was placed on the market by someone who did not believe in eco alternatives, it may not be as great as you might have thought. It is important to determine whether the cooling unit is Energy Star certified. It means that the cooling system has been certified and tested as being energy efficient. The requirements to meet that standard have been put in place from the Environmental Protection Agency. The Environmental Protection Agency provides specific guidelines to ensure your home can be natural air-conditioned and well-insulated. This will make the unit run more efficiently. Conserve money when you use an air conditioning unit by installing fan units that are mounted on the ceiling. They make use of less energy and can keep individual spaces cool. Window Replacement. Window Replacement. Paned glass windows with additional panes are readily available. These windows are filled the gas argon, which works to prevent energy from escaping. There are different kinds of glass that keep the heat out through a reflection of the sun from the dwelling. There are many green options available by using glass. The materials used in the production of windows can affect their performance. Vinyl, along with wood, is also available. It's not frozen and can withstand damage due to temperatures that are freezing. .