either system fills the heating requirements so it to say that a system must not have this as an issue before it.As requirements vary update and home improvements are added on many in so cost the home owner a new furnace.But in so clean air is always a system management issue.As a Guest Home,Garage or sun room attic up space.Work to avid Noise.Noise is a bad problem for heating systems furnaces and boilers an so technological in nature will give you a quiet Home.