2 Stage Furnace Disadvantages

Multiple heat outputs middle setting runs longer allowing for more even heat distribution regulates mild and colder temperatures lower energy consumption.

2 stage furnace disadvantages.

This is the primary reason the 2 stage gas furnace was developed so the furnace that you could have heating your home is closer to the correct size more times than not. You could buy a two stage furnace with an ecm motor for over 15 years. These motors were not new. There aren t many disadvantages to a multi staged furnace compared to a single stage but the most apparent one is the added cost.

Higher upfront costs two stage furnaces are more expensive to buy than single stage models. The good news is these new standards required a 46 watt reduction over the older style motors. By far though most two stage furnaces were sold with the older less efficient motors.