How to find ENERGY STAR certified central air conditioners Packaged air conditioners often include electric heating coils or a natural gas furnace, eliminating the need for a separate furnace indoors. Ducts go through the home's exterior wall or roof to connect with the air conditioner outdoors. Packaged central air conditioning system: In this system, all of the components are located in one cabinet usually placed on a roof or on a slab next to the house's foundation.If your home already has a furnace, a split-system is the most economical central air conditioner to install. The indoor cabinet expands and evaporates the refrigerant, absorbing heat. Split systems: These have an outdoor cabinet which compresses and condenses the refrigerant, releasing heat outdoors.There are two types of central air conditioning systems to choose from, depending on your budget and your home’s existing heating and cooling products, and duct work: The system then compresses the refrigerant and condenses it from a vapor to a liquid, releasing the heat so that the cooled/liquid refrigerant can be expanded and sent back into the home, where it starts the cycle again. Two kinds of systemsĪ central air conditioner evaporates a liquid refrigerant to absorb heat from your home. Saving energy saves money and reduces your carbon footprint. It is important to remember, though, that replacing an air conditioner that is over 10 years old can easily save you upwards of 30%. Central air conditioners that have earned the ENERGY STAR Most Efficient designation are the best of the best – they’ll save you even more energy. An ENERGY STAR certified central air conditioner (A/C or “central air”) uses 8% less energy, on average, than a standard model. ![]() Comfort star air conditioner smells how to#
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