Old 01-12-2008, 06:50 AM
  #4  
Mr.Mike
Senior MemberCaptains Club Member
 
Join Date: Aug 2006
Location: NJ
Posts: 490
Default Re: Mis-matching HVAC system (replacing outside unit without touching inside)

Replace the whole system if you can afford it. Systems are ARI rated as a system not as individual components. If you mismatch there is no way of actually knowing the systems ratings. And manufacturers are starting to offer zero warranty on their equipment unless it is purchased as a matched set.
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