Lennox furnaces
77 furnaces listed under Lennox.
| Model | AFUE | Costs to run |
|---|---|---|
| SLP99UH090XV60C* | 99.00 | $23.47 per million BTU of heat |
| SLP99UH135XV60D* | 98.40 | $23.61 per million BTU of heat |
| SLP99UH090XV48C* | 98.20 | $23.66 per million BTU of heat |
| SLP99UH070XV36B* | 98.10 | $23.68 per million BTU of heat |
| SLP99UH090XV36C* | 98.10 | $23.68 per million BTU of heat |
| SLP99UH110XV60C* | 98.10 | $23.68 per million BTU of heat |
| SL297UH040NV36B* | 97.50 | $23.83 per million BTU of heat |
| SL297UH060NV36B* | 97.50 | $23.83 per million BTU of heat |
| SL297UH080NV48C* | 97.50 | $23.83 per million BTU of heat |
| SL297UH080NV60C* | 97.50 | $23.83 per million BTU of heat |
| SLP99DF070XV36B* | 97.50 | $23.83 per million BTU of heat |
| SLP99DF090XV36C* | 97.50 | $23.83 per million BTU of heat |
| SLP99DF090XV48C* | 97.50 | $23.83 per million BTU of heat |
| SLP99DF090XV60C* | 97.50 | $23.83 per million BTU of heat |
| SLP99DF110XV60C* | 97.50 | $23.83 per million BTU of heat |
| ML197UH030XE36B* | 97.00 | $23.95 per million BTU of heat |
| ML197UH060XE36B* | 97.00 | $23.95 per million BTU of heat |
| ML197UH080XE48C* | 97.00 | $23.95 per million BTU of heat |
| ML297UH045XV36B* | 97.00 | $23.95 per million BTU of heat |
| ML297UH070XV36B* | 97.00 | $23.95 per million BTU of heat |
| ML297UH090XV36C* | 97.00 | $23.95 per million BTU of heat |
| ML297UH090XV60C* | 97.00 | $23.95 per million BTU of heat |
| ML297UH110XV60C* | 97.00 | $23.95 per million BTU of heat |
| ML297UH135XV60D* | 97.00 | $23.95 per million BTU of heat |
| ML297DF070XV48B* | 97.00 | $23.95 per million BTU of heat |
| ML297DF090XV60C* | 97.00 | $23.95 per million BTU of heat |
| ML297DF110XV60C* | 97.00 | $23.95 per million BTU of heat |
| EL297UH045XV36B* | 97.00 | $23.95 per million BTU of heat |
| EL297UH090XV48C* | 97.00 | $23.95 per million BTU of heat |
| EL297DF045XV36B* | 97.00 | $23.95 per million BTU of heat |
| EL297UH070XV36B* | 97.00 | $23.95 per million BTU of heat |
| EL297UH090XV36C* | 97.00 | $23.95 per million BTU of heat |
| EL297UH090XV60C* | 97.00 | $23.95 per million BTU of heat |
| EL297UH110XV48C* | 97.00 | $23.95 per million BTU of heat |
| EL297UH110XV60C* | 97.00 | $23.95 per million BTU of heat |
| EL297UH135XV60D* | 97.00 | $23.95 per million BTU of heat |
| EL297DF070XV48B* | 97.00 | $23.95 per million BTU of heat |
| EL297DF090XV60C* | 97.00 | $23.95 per million BTU of heat |
| EL297DF110XV60C* | 97.00 | $23.95 per million BTU of heat |
| EL297UH070XE36B* | 97.00 | $23.95 per million BTU of heat |
| EL297UH135XE60D* | 97.00 | $23.95 per million BTU of heat |
| EL297DF090XE48C* | 97.00 | $23.95 per million BTU of heat |
| EL297DF110XE60C* | 97.00 | $23.95 per million BTU of heat |
| EL297DF070XE48B* | 97.00 | $23.95 per million BTU of heat |
| EL297DF045XE36B* | 97.00 | $23.95 per million BTU of heat |
| EL297UH110XE60C* | 97.00 | $23.95 per million BTU of heat |
| EL297UH090XE48C* | 97.00 | $23.95 per million BTU of heat |
| EL297UH045XE36B* | 97.00 | $23.95 per million BTU of heat |
| ML196UH045XE36B* | 96.60 | $24.05 per million BTU of heat |
| ML296UH110XV60C* | 96.00 | $24.20 per million BTU of heat |
| ML196DF045XE36B* | 96.00 | $24.20 per million BTU of heat |
| ML196DF070XE48B* | 96.00 | $24.20 per million BTU of heat |
| ML196DF090XE48C* | 96.00 | $24.20 per million BTU of heat |
| ML196DF110XE60C* | 96.00 | $24.20 per million BTU of heat |
| EL196UH045XE36B* | 96.00 | $24.20 per million BTU of heat |
| EL196UH070XE36B* | 96.00 | $24.20 per million BTU of heat |
| EL196UH090XE48C* | 96.00 | $24.20 per million BTU of heat |
| EL196UH110XE60C* | 96.00 | $24.20 per million BTU of heat |
| ML296DF045XV36B* | 96.00 | $24.20 per million BTU of heat |
| ML296DF070XV48B* | 96.00 | $24.20 per million BTU of heat |
| ML296DF090XV60C* | 96.00 | $24.20 per million BTU of heat |
| ML296UH045XV36B* | 96.00 | $24.20 per million BTU of heat |
| ML296UH070XV36B* | 96.00 | $24.20 per million BTU of heat |
| ML296UH090XV48C* | 96.00 | $24.20 per million BTU of heat |
| EL196UH030XE36B* | 96.00 | $24.20 per million BTU of heat |
| ML196UH070XE36B* | 96.00 | $24.20 per million BTU of heat |
| ML196UH090XE48C* | 96.00 | $24.20 per million BTU of heat |
| ML196UH110XE60C* | 96.00 | $24.20 per million BTU of heat |
| ML196UH030XE36B* | 96.00 | $24.20 per million BTU of heat |
| ML196UH090XE60C* | 96.00 | $24.20 per million BTU of heat |
| ML196UH135XE60D* | 96.00 | $24.20 per million BTU of heat |
| ML196UH090XE36C* | 96.00 | $24.20 per million BTU of heat |
| ML196UH070XE48B* | 96.00 | $24.20 per million BTU of heat |
| EL195UH040NE36B* | 95.00 | $24.45 per million BTU of heat |
| EL195UH080NE48C* | 95.00 | $24.45 per million BTU of heat |
| EL195UH100NE60C* | 95.00 | $24.45 per million BTU of heat |
| EL195UH060NE36B* | 95.00 | $24.45 per million BTU of heat |
Computed from electricity at 18.34¢/kWh, the EIA average for US in June 2026 and gas at $24.09/Mcf for June 2026. A kilowatt-hour is 3412 BTU. Gas volume is converted to heat at 1.037 million BTU per thousand cubic feet, EIA's published average. This is a rate times a rating, not a prediction of your bill.
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Source: ENERGY STAR certified product data, published by the U.S. EPA and used with attribution. This is a register of certified models, not of every model on the market. ENERGY STAR is a registered mark of the U.S. EPA; this site is not affiliated with or endorsed by EPA or DOE.