As all of you are aware, the Federal Government mandated that residential, single phase, condensing units manufactured after January 23, 2006 achieve a minimum S.E.E.R. rating of 13.00. Typically, for a new condensing unit to achieve 13.00 S.E.E.R., it would also be necessary for the contractor to change the evaporator coil to one specifically designed to meet this efficiency level requirement and also be certified in the ARI directory as a compatible match to the condensing unit.
The industries and compressor manufacturer’s current position regarding compressor warranties on UN-matched (non-ARI certified) systems is that the compressor warranty MAY be voided if the condensing unit is not matched to a compatible, ARI certified, evaporator coil. Dealers can check the applicability of any system match up (condensing unit / coil) on ARI’s website prior to installing a new condenser.
York’s revised Warranty Claim Form now contains a section that specifically asks the dealer to identify whether the coil has an expansion valve device or not and to answer the question, “Is this an ARI matched system?” Further, if the dealer indicates that it is a matched system, the claim form requests the Brand Name, the Model, the Serial Number, and the ARI rating of the coil. The ARI rating is the Reference# found on their web site showing that it is an ARI “Matched” system.
To protect your customer’s investment (and peace of mind), it is strongly recommended that all installations of 13 (and higher) S.E.E.R. condensing units be accompanied by an ARI matched evaporator or fan coil. Failure to do so may void the compressor warranty on the condensing unit.
NOTE: This is also true if you are using the “dry charged” R-22 unit as a replacement unit. The coils still needs to be matched since this is a 13 SEER unit. The “dry charged” R-22 unit can be used as a replacement unit for units with less than 13 SEER ratings as long as the coil is replaced to bring the system up to at least the required 13 SEER .