We don't have a dog but do plan on putting a filter on the air intake when we get home. We rarely use our furnace, we have a fireplace, an electric heater, and a propane heater. They are all quieter and more efficient than the furnace.
2011 Eagle 330RLTS with just about every option.
Dodge SRW 1 ton Cummins powered.
I was born with nothing and I still have most of it left.