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: 128
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.