KeepRite and Ruud are two popular brands that offer reliable and efficient gas furnaces for your home or business. The U96V Ruud Ultra Series Two-Stage Variable Speed Upflow Gas Furnace is a 96% Annual Fuel Utilization Efficiency (AFUE) gas furnace that guarantees optimal comfort level and energy savings It features a four-way multi-poise design, two stages of operation to save energy, and a variable speed blower motor technology that provides ultimate humidity control, quieter sound levels, and year-round energy savings The N95ESU KeepRite Performance 95 Series Ultra-Low Nox Single-Stage Upflow and Horizontal Gas Furnace is a highly efficient furnace that can help you save on energy costs while reducing your carbon footprint