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Old 01-29-14, 01:51 PM   #9
AC_Hacker
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Quote:
Originally Posted by stevehull View Post
...But here is a case where designing the system to the maximum is a design $ mistake. But LOTS of installers will do it to make more money...
I've hung out on some of the HVAC forums, and the "oversize" lore seems to be from the gas furnace and oil furnace days, and it is to prevent call-backs, so in that sense they are aiming to make more money... plus some incremental increase from the price of a larger unit, as you inferred.

-AC
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