Performance™ 14 Compact Central Air Conditioner 24AHA4 Big Efficiency in a Surprisingly Small Unit Performance series air conditioners offer that perfect balance between budget limits you may have today and your desire for long-term energy savings. This stackable unit is perfect for applications in multi-family housing and can sit as close to a wall as 6″ for spacing all the way around. Standard Features 14 SEER cooling efficiency Sound: as low as 68 decibels1 Single-stage operation Filter drier system protection from moisture and contaminants Non-ozone depleting Puron® refrigerant 10-year parts limited warranty2 Optional Features Optional labor warranty available3 1 Quietest size within each model group during most common operating condition. 2 To the original owner, when product is used in an owner-occupied residence, a 10-year parts limited warranty upon timely registration of your new equipment. Warranty period is 5 years if not registered within 90 days. Jurisdictions where warranty benefits cannot be conditioned on registration will automatically receive a 10-year parts limited warranty. See warranty certificate for complete details. 3 Ask your Carrier® dealer for details.