On Sat, 24 Oct 2015 19:44:01 +0000, Gary
wrote:

Our old Amana 92% after 20 yrs is still working good but they say we
should buy a new one at twice the price of the old one. For this kind of
money around $8000.00 they ought to last atleast 30 yrs! why can't they
make the heat exchangers better?

Who is "THEY"?

If you're talking about advertisers, you should know they're only trying
to get into your wallet, and will tell any lie in order to get into it.