FEDERAL REGULATIONS  EFFECTIVE-January 1st,2015 

 MODELS 13 SEER   A/C split systems cannot ship to the following states(AL, AR, FL, GA, LA, KY, MS, NC, OK, SC, TN, TX, VA,AZ, CA, NM & NV) 
 MODELS 14 SEER 1.5 ton -3.5 Ton A/C must have an EER of 12.2 in the following states   (AZ, CA, NM and NV). 
 MODELS  Package units must be minimum 14 seer