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A.Pierce 01-25-2008 06:57 AM

Fresh air intakes
Any and all info appreciated!Is there any kind of kit I can buy to install on my units to introduce outside air to my system?I assume it will involve some kind of motorized damper actuator?Thanks a lot for any input.

redline 01-25-2008 07:50 AM

What type of system?

A.Pierce 01-25-2008 09:03 AM

american standard.3 ton downstairs.two 1.5 upstairs.furnaces are propane with "A" coil and have 550 aprilaires on them.

bigMikeB 01-25-2008 03:57 PM

The best way to go for that install would be a couple ERV's/ HRV's. Check out the Honeywell or Carrier websites, both make great products.

A.Pierce 01-25-2008 07:18 PM

Thanks BigMikeB.Also Is it possible to have too many returns?

bigMikeB 01-26-2008 08:46 AM

No, the more returns the better. Ideally, twice the amount of return as supply will have half the velocity (desirable) and no air noise.

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