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inline fans size vs noise?
- Thread starter panckage
- Start date
Yes if you use a fan speed controller to dial down the speed it absolutely will cut down noise. Problem with most inline fans is that they will buzz when you dial them down. I use a vortex inline fan which is the only one I've tried that doesn't buzz, and it is much quieter than a smaller fan at full power would be.
Thanks scrappy, I am looking into a purchasing an Vortex S-line 6" actually. According to the ventilation thread my setup needs 30-45cfm. Would it be possible to slow the fan down to that and be very low noise? Or is it a stupid idea?
Thanks scrappy, I am looking into a purchasing an Vortex S-line 6" actually. According to the ventilation thread my setup needs 30-45cfm. Would it be possible to slow the fan down to that and be very low noise? Or is it a stupid idea?
Not sure if the s-line is compatable with a fan speed controller, but it might be. I have a max fan that's similar and it is not compatable. 30-45 cfm? You have a micro setup? A vortex might be overkill, but they are quality fans that will last for years and it's one less thing to get if you upgrade to a larger setup. Mojave's suggestion might be a good fit although those fans are not meant to handle the added resistance of a scrubber and they don't last all that long. The lubrication tends to fail and they seize up. Been through a few of them just using them as booster fans. But they're cheap so could work out.
This is the one I have. It's 5 or 6 years old and still works flawlessly.http://www.amazon.com/gp/aw/d/B001J...vortex+fan&dpPl=1&dpID=51DyRL32n-L&ref=plSrch
Cheap my a$$!
That's almost $1,000 in fans.
Big one on the 5' foot carbon filter is a 14". It's my favorite. Quiet and cfm/watt is hard to beat.
The other 2 are 10 inchers.
http://www.canfilters.com/max_fan_home_2.html
That's almost $1,000 in fans.
Big one on the 5' foot carbon filter is a 14". It's my favorite. Quiet and cfm/watt is hard to beat.
The other 2 are 10 inchers.
http://www.canfilters.com/max_fan_home_2.html
Agreed. The use of a variac rather than an electronic speed controller eliminates whine/hum. Electronic controllers mangle the AC current waveform while variacs keep it smooth. Like this-
http://www.amazon.com/Variac-Variab...e=UTF8&qid=1447514140&sr=8-1&keywords=variacs
After a run of bad luck w/ 6" S&P fans I bought a vortex, supposedly among the best. Absolutely no motor/bearing noise so far- just the sound of air turbulence. 10 year warranty if bought through an authorized dealer. Pricey but worth it if it'll just keep working.
Yours may quit working tomorrow, but I have 2 6" Vortex that have been going on over 10 years. One has run 24-7 straight thru, the other has run 7 days/week, one hour more than the light in the stall with my longest light cycle. I can't tell the difference from when they were new. Cleaned them a few months ago, and they didn't make any out of the ordinary sounds on wind down and starting back up.
Even with that, I thought I'd try a cheap 6" and bought one of those green Hydrofarm Active Air. It's run for over 2 years, sped down the whole time with a speed controller made in China. The one where a whole crap load of companies have their name put on it, incl Speedster. It hasn't hummed or whined or anything odd. I wouldn't try to go below 50%. Your mileage may vary.
I bought a variac about 10 months back, and sent it back. Cost/unwieldiness/heavy. I would have had to mount it to plywood, then that to a stud. Stall would've been too crowded.
Anyway, I own 3 6" vortex, 1 4" Vortex, have no complaints. I think it speaks that the mfgr is willing to stick its neck out for a 10 year warranty. After 3 years with the much cheaper Active Air on a speed controller, I'm actually impressed. 5 year warranty. Good luck. -granger
Even with that, I thought I'd try a cheap 6" and bought one of those green Hydrofarm Active Air. It's run for over 2 years, sped down the whole time with a speed controller made in China. The one where a whole crap load of companies have their name put on it, incl Speedster. It hasn't hummed or whined or anything odd. I wouldn't try to go below 50%. Your mileage may vary.
I bought a variac about 10 months back, and sent it back. Cost/unwieldiness/heavy. I would have had to mount it to plywood, then that to a stud. Stall would've been too crowded.
Anyway, I own 3 6" vortex, 1 4" Vortex, have no complaints. I think it speaks that the mfgr is willing to stick its neck out for a 10 year warranty. After 3 years with the much cheaper Active Air on a speed controller, I'm actually impressed. 5 year warranty. Good luck. -granger
Cheap my a$$!
That's almost $1,000 in fans.
Big one on the 5' foot carbon filter is a 14". It's my favorite. Quiet and cfm/watt is hard to beat.
The other 2 are 10 inchers.
http://www.canfilters.com/max_fan_home_2.html
Ah sorry the 1st 2 pics looked like regular duct booster fans. Wasn't referring to the last pic. Max fans are nice I have one.
Thanks scrappy, I am looking into a purchasing an Vortex S-line 6" actually. According to the ventilation thread my setup needs 30-45cfm. Would it be possible to slow the fan down to that and be very low noise? Or is it a stupid idea?
I have the Vortex S-Line 6" and love it. It works on a speed controller and does get quieter if slowed down. I run it at 100% and it sits in the same room as my office and doesn't bother me.
It does seem overkill for your needs. It's rated around 327 CFM.
Just to follow up I bought a 5" Hon&Guan mixed flow fan which seems to be a good compromise in noise and airflow. The fan itself is a bit sketchy (wire color doesn't match the diagram) and paper is used to reinforce a screw hole so my house may burn down but othwerwise I am happy
My garden is 2'x2' and has a 250w hps, carbon filter and hepa filter.
My garden is 2'x2' and has a 250w hps, carbon filter and hepa filter.
