Compliant by design
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Pick your region, size and type — every system below is a matched outdoor + indoor pair that meets the refrigerant & efficiency rules for a new install where you live.
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Get a repair-or-replace verdict, or check one model's compliance in your region.
Compliance reflects DOE 2023 regional SEER2/EER2 minimums plus (for a new install) the AIM Act and California CARB low-GWP refrigerant limits. Certified pairs carry an AHRI rating; candidates are rules-based estimates. Not a substitute for a licensed contractor's Manual J / Manual S.