Recent content by seafrog

:welcome: be careful , single zone units are not designed to condition a whole house . many factors are involved in HVAC system sizing ; this rule of thumb is a good place to start - typically I would use a "ton" of air per 400 sq ft of house . yes a properly installed heat pump should do well...

length , size , positioning & number of elbows of each ( vent & inlet ) pipes are specified in the installation manual for your model # indicated on data plate of the 90% furnace . after a bit of reading up on it I ended up with my vent ( exhaust ) through roof capped with a T fitting & the...