What Is a Lennox Furnace?


Quick Answer

Lennox manufactures a wide range of gas and oil furnaces; the product line is divided into a few categories which vary in energy efficiency and price level. As of 2015, the cheapest furnace product range from Lennox is the Merit Series.

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Full Answer

Furnaces in the Lennox Merit Series are powered by gas and typically have an fuel efficiency rating of between 80 to 93 percent. The entry-level model is known as the G40. The ML193 model features a higher

fuel efficiency rating and a design that separates the blower compartment from the rest of the machine.

Other Lennox furnace lines include the Elite series and the top-of-the-line Dave Lennox Signature furnaces.

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