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Topic Review (Newest First)
06-28-2013 11:44 AM
dannyw Absolutely starting current is brutal to the windings
06-28-2013 12:07 AM
fishingcacher
Quote:
Originally Posted by dannyw View Post
Instead of installing duct boosters I'd suggest just letting your fan run continuously (fan switch to "on" instead of "auto". I worked in the ac field for over a decade before I got disgusted with the way the company was headed. People will try to tell you horror story's about how much extra electricity you'll use but I ran the math and it's only about $15- $20 a year. And you'll also hear about the extra humidity you'll have in the house- well there is a grain of truth to that, but it is very small over the grand scheme of things, and I won't bore you with the details. With the fan running all the time your air will constantly be filtered and mixing thru out your house, when your ac cycles off the evap will dry off and you won't get the snot (mildew) growing on your coil. My blower has been running constantly for 6 years since I moved in to this house, only shut off in the fall while I checked the safeties on my furnace.
I wonder if the fan will last longer since it is not starting and stopping. I had a friend who never turned off their stereo but just turned down the volume to keep from heating and cooling the transistors.
06-27-2013 11:14 PM
dannyw Instead of installing duct boosters I'd suggest just letting your fan run continuously (fan switch to "on" instead of "auto". I worked in the ac field for over a decade before I got disgusted with the way the company was headed. People will try to tell you horror story's about how much extra electricity you'll use but I ran the math and it's only about $15- $20 a year. And you'll also hear about the extra humidity you'll have in the house- well there is a grain of truth to that, but it is very small over the grand scheme of things, and I won't bore you with the details. With the fan running all the time your air will constantly be filtered and mixing thru out your house, when your ac cycles off the evap will dry off and you won't get the snot (mildew) growing on your coil. My blower has been running constantly for 6 years since I moved in to this house, only shut off in the fall while I checked the safeties on my furnace.
06-09-2013 03:53 PM
topgun72 I have 6" fans installed, and I have them wired to come on when the unit does. They work good and are quiet. I have them about 8' back in the duct.
06-07-2013 09:53 AM
bassguitarman I tried one a very long time ago (20+ years), and it worked, but it was too noisy. Hopefully the newer ones are quieter - particularly since most of the uses these days are for "hydroponics".

I had looked in to this again recently myself, and eBay has a couple of thousand listings. Search for "duct fans" in eBay search. The fans are typically controlled by a "sail switch", which will turn on the fan anytime air moves through your ducts. - also available on eBay.

Amazon has many choices as well. It is also a pretty good place to read reviews.
06-06-2013 08:14 PM
jmercer
Inline HVAC duct fans

I have 2 rooms that are long duct runs, and wondered about installing inline fans to pull air to the registers. I've read some posts from folks that love them, and some that hate them.

Any experience?

Also, does it not make sense to wire the motor for the fan directly to the fournace, so that the fan kicks on every time the system cranks on? Only things I've seen show a small thermostat that controls the fan, but it seems like that could kick the small fan on even if the system isn't running (or keep the fan off when the system is running).

Help please!

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