The YORK Y91E 96% AFUE Single Stage Furnace

• High efficiency: 96% AFUE rating means most of your fuel is turned into heat, not wasted. 
• Space-smart design: Compact 33-inch height fits tighter installations without compromise. 
• Tight sealing: Less than 2% airflow leakage under test conditions, keeps the warmth in, the drafts out. 
• Safety built-in: A 100% shut-off main gas valve provides extra peace of mind. 
• Power handling: Up to 120 MBH output (with a 26 MBH option for multi-family or smaller jobs). 
• Smart motor tech: 5-speed, direct-drive ECM (DC) blower motor, better efficiency, quieter performance. 
• Easy to maintain: Integrated self-diagnostic control module gives techs a head start when servicing. 
• Solid warranty backing: 10-year parts limited warranty (with registration) and lifetime heat exchanger option on qualifying models.