No, it was actually the opposite which started my investigation. The basement door was like a wind tunnel until I changed the return. I may not be the greatest at duct design but if you dump 800cfm in a space shouldn't you take out 800 cfm?
Originally Posted by beenthere
I guess my main point was why have an extra piece of equipment running and hopefully being maintained if what you have can do the work.
Must have a big basement if you need 800 CFM.
Have you checked since adding/increasing basement return, to see if the basement is drawing any air out of the first floor.
The basement is balanced now. No wind tunnel effect but now the main level return is too large and howls a little. Thats the next project. I just blocked off a little of the return grill to stop the howl for now. You know haw it goes, your own home is the last one to get done.
You must work at RPC! Concluded that from where you live:-) But to the OP, your a/c unit can remove some of that humidity..WHEN ITS RUNNING..but what about all the time that it is not? Do your self a favor and get the right tool for the job. You want to control the humidity, invest in a dehumidifier.
Originally Posted by teddy bear
I guess this whole topic really hits a nerve with me since so many people put bandaides on problems instead of really fixing the problem. Maybe it's just my area but most homes have no return in thier basement. Isn't it part of the building envelope? Shouldn't it be conditioned? Why not. I know it's not sealed off from the rest of the house. If the existing A/C can't handle the moisture then there is too much moisture. Stop the moisture from getting in.
To me not fixing the actual problem creates another problem.
You are right about a couple things! "If you want control of humidity, get a dehumidifier", ok. Madison is the "real dehumidifier" capitol of the world. But there is a company in Madison that builds more dehumidifiers than RPC.
Originally Posted by jrock52766
The rest of my comments were intended to give the traditional a/c guys a chance to bend to my way of thinking.
Bear Rules: Keep our home <50% RH summer, controls mites/mold and very comfortable.
Provide 60-100 cfm of fresh air when occupied to purge indoor pollutants and keep window dry during cold weather. T-stat setup/setback +8 hrs. saves energy
Use +Merv 10 air filter. -Don't forget the "Golden Rule"