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re: Adding another return air vent
Posted on 6/9/20 at 5:01 pm to td1
Posted on 6/9/20 at 5:01 pm to td1
Indeed, air balance and duct leakage are also parts of the air flow equation which are every bit as important as return air, and those should be looked as well as adding an additional return air supply. If you need to hire someone to install the new return air supply, you might as well pay a little extra and ask them if they can balance the air flow for you and check the ducts for leakage.
Right now, with 800 cfm of return air flow your 3.5 ton HVAC is really only delivering the air of a properly deigned and balanced 2-ton system, but you are paying for 3.5 tons of cooling.
Right now, with 800 cfm of return air flow your 3.5 ton HVAC is really only delivering the air of a properly deigned and balanced 2-ton system, but you are paying for 3.5 tons of cooling.
This post was edited on 6/10/20 at 9:32 am
1
Posted on 6/9/20 at 5:54 pm to CrawDude
All great information guys. Thanks!
One thing that no one addressed was the one larger additional return air vent in my master bedroom (say 20x20 or up to 24x30 as price is the same) for $1295 OR 2 smaller return air vents (I think 12x12 or 12x20) added with one in my master bedroom and the other in another part of the house or possibly another bedroom. As I understand it is much cheaper to install a smaller return air vent because of the easier install so the price for two would only be an additional $100 but that would double the amount of monthly filter changes.
One thing that no one addressed was the one larger additional return air vent in my master bedroom (say 20x20 or up to 24x30 as price is the same) for $1295 OR 2 smaller return air vents (I think 12x12 or 12x20) added with one in my master bedroom and the other in another part of the house or possibly another bedroom. As I understand it is much cheaper to install a smaller return air vent because of the easier install so the price for two would only be an additional $100 but that would double the amount of monthly filter changes.
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