Why are you trying to change the airflow?

 

Not getting much airflow on my 3rd floor

 

Without static pressure readings I don’t advise changing anything.
What does your service provider recommend?

 

I dont have a service provider this is in my house I just wanted to know if that's how to select the fan speed. The system was put in by the brother of the lady we bought the house from and thr system isn't balanced by no means and I like to get more air up further

 

You select the fan speed according to the statulic pressure.

Get a service provider!

 

Blower speeds should be set for the needed air flow for the heat pump. Changing blower speeds to overcome a distribution imbalance can lead to poor equipment performance and even damage.
People often ask for blower speed changes because of noise. That’s not the way to set speeds either.
Poor distribution should be remedied with duct improvements.

 

The problem I got is my house is completely done except for basement and the house has 4 levels all split so can't get at any ducts expect what's in basement.

 

Solving it will require dealing with the problem, not fiddling with the equipment. Complicated problems have complicated solutions.
What may be needed is a separate system for the upper level(s).

 

Find out where the issues are and take it from there!

 

Well there's the issuse I cannot gain access to the duct work on 3 levels to add dampers to the duct work and I don't really get a whole lot of air from any duct. So there is when I got the idea on speeding the fan up to the next level

 

Reread post # 4

 

I'm sorry, as the rules state, we do not allow DIY here.

There's science involved in determining proper air flow. Please call a qualified pro to determine what your needs are.

Thread closed