The A801X Gas Furnace provides reliable and efficient heating with an 80% AFUE rating. Ideal for homes in mild climates, this furnace offers robust heating performance with flexible options for different BTU capacities. The A801X model includes California Low NOx versions, designed to meet stricter emission standards, making it a responsible choice for environmentally-conscious households. With upflow configurations, this furnace is built to deliver consistent warmth while maintaining energy efficiency.