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re: Troubleshooting bedroom humidity levels (continued from previous thread)

Posted on 5/18/23 at 8:08 am to
Posted by notsince98
KC, MO
Member since Oct 2012
18099 posts
Posted on 5/18/23 at 8:08 am to
to do this right you need a pro like a home energy expert. Someone that can come in and do blower door tests, duct leakage tests and IR camera testing and find out where the leaks are in the house. Otherwise, you will mostly just be guessing and throwing money at things hoping it works.

In the mean time, what CFM/ton setting are you using on your furnace/air handler? Or, what tonnage is your AC/heat pump and what CFM output is your blower set to? There may be an easy first attempt here that wont cost you any money.
This post was edited on 5/18/23 at 8:09 am
Posted by StringedInstruments
Member since Oct 2013
18524 posts
Posted on 5/18/23 at 9:00 am to
quote:

to do this right you need a pro like a home energy expert. Someone that can come in and do blower door tests, duct leakage tests and IR camera testing and find out where the leaks are in the house.


I had this done a few years ago, and they wanted $7000 to do the work. Seemed steep, but at this point, I'd pay it for comfort. But I did spend almost $20k on a new HVAC, furnace, and ductwork back in 2021.

Here's what they installed for the HVAC for a 2100 square foot, single story home:

4 ton 14 SEER horizontal evaporator coil in crawlspace
Zone module with two dampers and one static damper
Second thermostat

Not sure what the CFM output is or how to check that.

This post was edited on 5/18/23 at 9:01 am
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