Comfort™ 13 Packaged Air Conditioner System 50ZPB Made for Narrow Lot and Manufactured Home Applications Comfort series packaged air conditioners are designed to be an economical solution for your cooling needs so you can enjoy simple, quiet and affordable comfort. Standard Features 13 SEER Sound: as low as 72 decibels1 Single-stage compressor operation Fixed-speed blower motor Fully insulated cabinet Air purifier, humidifier and ventilator compatible Non-ozone depleting Puron® refrigerant Envirotuff™ rust-proof base with integrated drain 10-year parts limited warranty2 Optional Features Electrical-resistance heating packages available ArmorCoat™ coil tin-plating for enhanced corrosion resistance Optional labor warranty available3 1 Quietest size within each model group during most common cooling operation 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.