83% AFUE rating means the unit can save you energy, compared to older and less efficient furnaces Dynamically balanced motor reduces startup and shutdown noise for quieter operation Steel heat exchanger has a ceramic fiber-lined wall for greater durability and longer life Fiberglass cabinet insulation absorbs sound and heat to help increase energy efficiency and reduce operating noises 10-year limited warranty on parts and a limited lifetime warranty on the heat exchanger (with registration) offer added peace of mind*
| Make | Concord |
|---|---|
| Manufacturer | Concord |
| Model code | L83BF/R1D57/72E12-1 |
| Series | LBF/LBR |
| Annual Fuel Utilization Efficiency | 84 % |
| Stages of Flame | 1-stage |
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