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I recently removed a ceiling vent register cover (to replace it) and was amazed at how much air flowed through the vent when the cover wasnt there.
What purpose does the cover serve (other than to direct the air flow)? If the vents are clean, why cant we just buy some type of trim to cover the raw edges? It would certainly cut down on my electric bills if I didnt have the register covers there minimizing the air flow.
I recently removed a ceiling vent register cover (to replace it) and was amazed at how much air flowed through the vent when the cover wasnt there.
What purpose does the cover serve (other than to direct the air flow)? If the vents are clean, why cant we just buy some type of trim to cover the raw edges? It would certainly cut down on my electric bills if I didnt have the register covers there minimizing the air flow.
they provide a means of balancing the air flow at each of the locations and prevent the registers furthest from the fan from becoming "starved' for the needed amount of conditioned air.
Thanks. I'm not sure I understand how they accomplish that but I do understand what you mean.
that is assuming that your registers have a small flapper built into them controlled by a little wheel to the side to accomplish this, not all have this.
If you open one vent and unrestricit the airflow you unbalance another, assumming it was all set up properly to begin with. Think of it like garden hoses. If you turn the second one on the first one looses some pressure. If you turn one on that is a 4 inch line (unrestrict) the others lose lots of pressure.
Right, its a matter of air pressure. You wouldn't have to remove the register to get that effect. If you want "more air" coming out of a vent further from the unit, just close the flappers a little bit on the other registers.
Yes, I thought about that, harry -- and about waterbugs, which are a more common concern here in Houston. Fortunately, my ducts arent flexible and I havent had mice in 15 years (much to my dog's dismay). Too, I use GOLD ROACH SPRAY twice a year and havent seen a waterbug in many years. But just the thought of something dropping from the attic would give me pause.
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