Can I replace just the outdoor condensing unit or just the inside coil unit?
“A new air conditioning or heat pump system can be expensive and homeowners are sometimes tempted to save money by just replacing the outdoor unit, but that is going to waste their money down the road,” said William Sutton, president of the Air-Conditioning and Refrigeration Institute (ARI).”Homeowners won’t achieve peak efficiency and comfort levels from their cooling system unless it is properly matched and installed. Improperly installed systems may function, but not at peak performance, and could prematurely fail.” Furthermore, all manufacturers require that their equipment be installed as a “matched” system. In fact, many manufacturers state in their literature that they will void the warranty if an old indoor unit is used. A new 13 SEER air conditioner used with a 15 year old indoor unit will have an actual operating SEER of approximately 8 or 9. So, you will loose efficiency, increase maintenance problems, and possibly shorten the life of the system by mismatching a system.
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