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What is the difference of a 1 stage furnace versus a 2 stage? I live in a very moderate climate. no snow.

Post created: 2014-11-10 Type of Equipment: Furnace Views: 103

Replacing furnace.

On 2014-11-11 Danielle wrote:

A single stage furnace runs at full speed only when on, while a two stage furnace will run at 65% at first stage and then if it is really cold out then full speed. A single stage furnace is not as efficient as two stage furnace.


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