Forget what you used to believe about oil furnaces; that they needed to be heavy, low on efficiency, lacking design and unreliable. All those things are no longer true with the furnaces built by Granby Industries.

1. ​First, the most obvious is the design. This looks like a modern day appliance. No mistaking it for an old dinosaur.
2. By utilizing stainless steel in the combustion chamber a heavy brick liner is not required to protect the chamber wall thus eliminating unwanted weight and a part that will eventually need replacing.
3. Efficiency ranges from 86% to 95.8% AFUE depending upon the model
4. Save on electrical energy as well with high efficiency ECM blower motor systems. The U.S. Government Energy Star rating is achieved at all firing rates.
5. These furnaces are versatile. They are all able to be sidewall vented. Also, if desired in the future, all models except the KLC-100, may be converted to a gas fuel with a gas conversion burner
6. Limited lifetime heat exchanger warranty and 10 years on non-wear item parts gives a peace of mind to the homeowner.

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