Ductless HVAC systems are typically much cheaper to install than traditional systems, and the benefit of zoning delivers substantial cost savings in terms of increasing efficiency. Further, ductless systems often have an extremely high SEER rating, a measurement of performance and operating efficiency. Adding to the appeal of ductless systems is the fact that research conducted by Energy.gov points out that ductwork losses can account for more than 30 percent of energy consumption for space conditioning, especially if the ducts are in an unconditioned area such as an attic or crawl space.

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