I have a 1.5 ton American Standard 13 SEER heat pump system that serves a 680 square foot second floor guest suite that resembles a Residence Inn or Homewood Suites floorplan: large open area with a separate bathroom and large walk in closet. Although it turns 18 years old in November, the system gets less than average use in a guest only area. Summer setting is usually 76-78 degrees. Winter setting stays at a constant 62 degrees. It's in a severe climate area with coastal spray but has been trouble free except for the compressor which was replaced under warranty at about 7 years old. Wife and I expect to keep the home for 3-5 years.
So should I preemptively replace the system with a mid-grade Trane, American Standard or Bryant system, or wait until it craps out? Current duct work has one register in the bathroom, one in the closet and six in the main area, so I'm not considering a mini-split. I know I won't do any repair over $600-700 on an 18 year old system. What say the experienced HVAC folks?
So should I preemptively replace the system with a mid-grade Trane, American Standard or Bryant system, or wait until it craps out? Current duct work has one register in the bathroom, one in the closet and six in the main area, so I'm not considering a mini-split. I know I won't do any repair over $600-700 on an 18 year old system. What say the experienced HVAC folks?
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