134a is used for comfort cooling...in autos and in centrifugal chillers. Just not in residential.
OP, any reason why anyone would want to buy a 13 year old a/c condenser for what you're asking for? Do you and any potential customer you have a favor and take that old thing to your local metal recycling yard. Get some lunch money and move on.
Building Physics Rule #1: Hot flows to cold.
Building Physics Rule #2: Higher air pressure moves toward lower air pressure
Building Physics Rule #3: Higher moisture concentration moves toward lower moisture concentration.