So far so good. Ive just used it lightly for Cooling;heating will probably be 95% of annual usage.
Fwiw..Id recommend 2 "tricks " for a low budget diy installer:1-Use Nylog blue sealant on all copper connections.Its non contaminating and pro hvac guys on internet swear by it. 2-Use a heat source such as hair dryer to warm up evap coils during vacuum;might help when using cheapo vac pump. ( Unfortunately for x-ringer hair dryer will require a new purchase...lol)
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