Hello,
Im wondering how to tell what A/C gas my system is using? There are no tags specifying and I'm guessing the system has not been converted. I would like to take it in to get the system checked out and topped off but maybe its better to fully evacuate and refill? It has never been serviced or used more than few times in the last 7 years. The site glass is dirty from the inside i think and hard to tell whats going on within the system. It does blow cold but could be colder. If i recall, before i replaced the thermostatic switch several years ago, the unit and hoses were frosting up. If i take it in to have the system pressure checked and refilled, how long should the process take? I have read that some systems seems take many hours to ensure full evacuation of the old gas. Should the system be flushed out fully after evacuation, before refill? Will oil be added? I just want to be able to ask the right questions before allowing the shop to do the work. Thanks to all who reply.
Im wondering how to tell what A/C gas my system is using? There are no tags specifying and I'm guessing the system has not been converted. I would like to take it in to get the system checked out and topped off but maybe its better to fully evacuate and refill? It has never been serviced or used more than few times in the last 7 years. The site glass is dirty from the inside i think and hard to tell whats going on within the system. It does blow cold but could be colder. If i recall, before i replaced the thermostatic switch several years ago, the unit and hoses were frosting up. If i take it in to have the system pressure checked and refilled, how long should the process take? I have read that some systems seems take many hours to ensure full evacuation of the old gas. Should the system be flushed out fully after evacuation, before refill? Will oil be added? I just want to be able to ask the right questions before allowing the shop to do the work. Thanks to all who reply.
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