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Ask most homeowners if their indoor evaporator coil matches their outdoor condensing unit and they’ll look at you like you’re speaking a foreign language. But ask them if they want to save up to 15 percent a year on home energy bills and they’ll listen intently.
Unfortunately, many homeowners make a costly mistake when they replace their outdoor central air conditioner or heat pump system. They fail to replace the indoor evaporator coil, as well. The result is an unmatched system, where the efficiency delivered is up to 15 percent below what is promised, or what the system is capable of producing.
A Split System
A central air conditioning or heat pump system is a “split” system consisting of two parts; an indoor unit (coil) and outdoor (condensing) unit. These two parts are designed specifically to fit together as a coordinated team to provide to-notch performance and maximum efficiency and comfort. Since both components are necessary for a working system, both parts of the existing system were originally installed at the same time. So if you install a new outdoor unit, be sure to match it
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