[jpsmith1cm]

Look into testing your house for air leaks to increase your humidity. IMO, getting a humidifier to increase humidity is akin to getting a transfusion for an open vein.
Too much air leakage in a home allows the warm moist air inside to be replaced by cold dry air from outside. When heated, this cold dry air becomes even dryer.
Leaving the fan in the on position is more than likely actually helping to dry your home out even more. Duct leakage & imballanced air delivery can significantly increase your homes air leakage.

:ditto:

 

[jpsmith1cm]

The system is new last week! We replaced all the returns with hard piping. I watched them seal it tight. We opened all of the connections on the supply lines and used mastic to seal. House might be too tight now. Slab is under the whole house. wood floor is finish in place installed to 3/4 inch plywood shot to floor, oak. We have run humidifiers with integral gadges for past two years and they do read about 5% different from the Infinity controller. Of course kids go to school and it is dry there... we have been surviving by keeping our house around 50-55% so kido can recover each night. Do give me the lotion story....been down that path-i'd have to wrap him in saran wrap.

Should I ask my installer to take back the Infinity controller if i am going to use a separate humistat? What good is it? :\

Also, spouse is complaining about the low burner/fan combo says can't feel they house warm up when it is kicked on.

Thanks for all the thoughts.

There is a difference between sealing the ductwork and sealing the building envelope.

I would suggest that you likely have a sealed duct system within a leaky home.