Energy Efficiency - 7 Reasons to Choose Zoned Cooling and Heating - Bob Vila
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It's a common complaint: With forced-air systems, cooling and heating costs an arm and a leg. That's largely because ductwork is notoriously leak-prone, often losing enough energy in transit to compromise overall system efficiency by up to 25 percent. Because zoned systems are, well, zoned, Mitsubishi Electric suffers no similar disadvantage. By distributing air directly into the conditioned spaces of your home, and by operating on comparatively less electricity, Mitsubishi Electric systems can save the homeowner 30 to 40 percent on monthly energy bills.