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mux · 01-22-2012, 08:59 PM

Quote:

Originally Posted by castermmt

NattyBrew has a very simple system that looks good and is very functional. I seen his before I built mine and went with the wood lined with plastic as well. Nice Job! You will need a good blower to remove the steam. If you don't you have a good chance of feeding mold, then you'll say I should have gotten a bigger fan. Cheers

What cfm do you recommend? I'm looking at a 4" vortex fan.

**forcabrew** · 04-30-2012, 12:28 AM

I hope some starts a show me your exhaust fan thread. I'm trying to figure if the vortex fan is worth the money. I read that it's loud. The only place for me to hook up an exhaust would be to put in some sort of splitter in the duct that my dryer exhausts from

bullywee · 04-30-2012, 02:23 AM

Active air

**CidahMastah** · 04-30-2012, 12:40 PM

any body ever heard the active air 6'' vs the vortex 6''? I don't want to give up all the quiet if my ebuild for a loud arse fan.

Looks like you can get into the active air for ~$100 and the vortex for ~$165. Seems like most people say don't go less than 6''.

sredz · 04-30-2012, 05:33 PM

I have an Active Air 6". I've been very happy with it. It's the only inline fan I've owned so I can't make a comparison to the vortex. I wouldn't say the Active Air is loud. Our kitchen is directly above the fan and I can hear a slight hum. I believe the Active Air clocks 72 decibels and the Vortex 49.

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Quote:

Originally Posted by CidahMastah

any body ever heard the active air 6'' vs the vortex 6''? I don't want to give up all the quiet if my ebuild for a loud arse fan.

Looks like you can get into the active air for ~$100 and the vortex for ~$165. Seems like most people say don't go less than 6''.

**jmark** · 04-30-2012, 05:55 PM

I have an Active Air 6" too. It's not silent by any means, but it's certainly not so loud that you need to raise your voice to talk to folks. In my boil tests (almost ready to roll!) so far, I can make do with it on medium speed (using a speed controller) without any change to the humidity in the room and at that speed you can barely hear it. Of course, my vent run is only 2-3 feet, so it doesn't need the full power. All-in-all... I'm happy with the fan (just need to move it to the other end of the vent run to help solve a condensation problem!)

**CidahMastah** · 04-30-2012, 07:54 PM

Cool, thanks for the comments guys!

**dcbw** · 05-01-2012, 04:47 AM

so my build is going to be in the basement in the same room as the gas furnace and water heater, about 10ft away from each. I just got my rim joists foamed and the house sealed. Do I have to worry much that I'll be sucking all the CO into the house when brewing, and not exhausting it up the chimney where it should be going? I will have a fresh air source available right near the brewstand. Just want to make sure the furnace and heater still draft up the chimney and not into the basement when the fan is going. The insulation guys did a smoke test at the water heater to make sure there was still enough pull after doing all the sealing. But if I'm adding a 300 or 400 cfm fan into the mix I have no idea what it'll do to the airflow of the house.

sethhobrin · 05-01-2012, 11:21 AM

Quote:

Originally Posted by dcbw

so my build is going to be in the basement in the same room as the gas furnace and water heater, about 10ft away from each. I just got my rim joists foamed and the house sealed. Do I have to worry much that I'll be sucking all the CO into the house when brewing, and not exhausting it up the chimney where it should be going? I will have a fresh air source available right near the brewstand. Just want to make sure the furnace and heater still draft up the chimney and not into the basement when the fan is going. The insulation guys did a smoke test at the water heater to make sure there was still enough pull after doing all the sealing. But if I'm adding a 300 or 400 cfm fan into the mix I have no idea what it'll do to the airflow of the house.

I have a 6" vortex fan about 10 ft from my heater and hot water heater. I just open a basement window to provide fresh air. I have no issues. In fact I have closed the basement window and just let the vortex pull from the house and haven't seen an issue and my joists are spray foamed and my house has been sealed so it is very tight. If you have a fresh air intake near your brewing area you should be just fine.

**forcabrew** · 05-01-2012, 04:04 PM

So I was planning on placing my brew rig about 8ft away from my furnace and water heater with only an exhaust vent. Would that be an issue? Do I need a way to get fresh air in? If not what would be the consequences?

I'm very close to purchasing either a 6inch vortex or active air exhaust fan. I just keep flip flopping on which one I should get