Is a 5 ton unit to big for 2000 sq ft double wide mobile home?I live in NC My unit is broke(16 years of service)Am unable to buy a new one,was blessed with one being given to me.Please advise me if using this one is OK.Thank you so much for your help.

You only need a 3 ton. Dought there is enough ductwork for a 5 ton unit to work.