They sell a insulation blanket..

來源: 於 2012-09-09 20:53:01 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

Usually for uninsulated ac coil case, its a stick on blanket, which you just cut to size then seal the box on the outside.

I need to look up a name..