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Old 08-11-2011, 08:02 PM
villagegolfer villagegolfer is offline
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Originally Posted by LivingLarge View Post
Could someone more knowledgable than I please explain why larger is better? In filters that is

I was once told by an AC guy that my HVAC system would be better served by the cheap (i mean cheapest) Home Depot air filter. And just change them monthly. No real cost since they were <$1 each. Is it for the system or the person (allergy?)? Those better filters really need a large force of air to pull it through the dense filter? No?
It would depend on your system. My system has a cavity that receives a 4" thick filter. High efficiency filter which requires yearly changing.