The 4YCC4042A1090A is an American Standard® packaged air conditioner designed to deliver efficient cooling for your space. With a 3.5-ton nominal capacity, it offers a cooling output of 42000 BTUs, providing reliable comfort even during hot weather. This unit features a single-stage compressor and offers a 10 EER, ensuring energy-efficient operation. The environmentally friendly R-410A refrigerant is used for cooling. The compact design and durable construction make it a suitable choice for various installation scenarios. With its dependable performance and cooling capabilities, the 4YCC4042A1090A is a great addition to your HVAC system.