6" Round Maxxair Exhaust

[Glennman]

I'm thinking about installing a 6" round Maxxair exhaust fan in the restroom, but the larger one in the main part of the bus will be a typical 14" model. They are less than $100.00. I just can't see installing 2 large Maxxairs 6 feet from each other. Has anyone had any experiences with the 6" round one? Some of the reviews say they are kind of noisy, but if it's only for the restroom, who cares?

[windtrader]

Not sure how McGuyver guy you are but if you just want some low flow ventilation in the bathroom area, consider a DC computer case muffin fan. they are dirt cheap and certain models are virtually silent and draw almost no energy. They work best in free flow cases but you can probably find some that have power to work with differential pressures

[chessie4905]

I read many reviews on this, and like the design and compactness. However the many reviews about the noise it makes, makes me hesitant to try one. A fantastic fan draws same or less on low and is almost silent. Yes it requires another 14x14. I guess a 6 inch diameter fan moving 200 cfm is bound to be noisey. There are many different brands of similar fans. Maybe one of the others is near silent. I didnt check as to how much air a typical muffin fan moves, but most likely far less than 200 cfm.

[richard5933]

I've had the 6" Ventline fan in three rigs now - my 4106, 4108, and Airstream. For a bathroom vent, it works great. It sucks enough air to keep the bathroom from being damp or odorous, but not so much as to remove all the cooled/heated air from the bus.

When I got the Airstream the vent needed to be replaced. The shop had both the Ventline and the MaxxAir 6" fans on the shelf. I asked for recommendations, and the tech told me he didn't see the reason to spend the extra on the MaxxAir. I went with the Ventline, and it has performed well.

I my opinion there is no reason for a 14x14 vent in a bathroom.

[chessie4905]

many times a 14x14 vent in the bathroom is beneficial. By keeping it open a little, removes moisture accumulation and odors from coach. Of course you need the any weather dome. If placing fan on high, offending odors can be removed quickly, not eventually. amp draw on low is equal or less than 6" ones, and on low they are very quiet. Parts are so far, available for years. Downside is the hole is 14x14" instead of 6"
But, whatever works for you. Btw, some have mounted the 6" horizontally.

[dtcerrato]

We have forever the 6" ventline aka Vanaire bath/shower vent and also put a variable speed  rheostat on it so speed & air movement of choice. It works great. You'll never replace another motor with the rheostat dialed down...

[Van]

We have forever the 6" ventline aka Vanaire bath/shower vent and also put a variable speed  rheostat on it so speed & air movement of choice. It works great. You'll never replace another motor with the rheostat dialed down...

I installed the Fantastic fan mid coach in the bathroom and it will pull what ever Odoriferous  Emanations you got floating in the air out. I too have added a rheostat (speed controller) to it because lets face it the FF is a noisey lil' $#!% the way they build them nowadays.
Tnuocke 12V/24V DC Motor Speed Controller Universal,Knob Screw Electronic Stepless Speed Regulator Switch,Adjustable Motor Speed, Automobile Fan HeaterControl, Defroster, Fans Speed Regulation https://a.co/d/2XPt0vr

[Glennman]

We have forever the 6" ventline aka Vanaire bath/shower vent and also put a variable speed  rheostat on it so speed & air movement of choice. It works great. You'll never replace another motor with the rheostat dialed down...

I like this idea (the Ventline with a rheostat). My concern with the 6" Maxxair now (after posting the question) is that it needs to be manually opened. I cannot install one through the wall due to the windows still being in place, so the ceiling is the only place for it. With my wife being 4'10" or even for small kids, I would have to go back there and open it up all the time. Does the Ventline open automatically when turned on?

[windtrader]

did you see the cfm requirement.https://www.newegg.com/noctua-nf-a14-ippc-3000-pwm-case-fan/p/N82E16835608048?Description=fan&cm_re=fan-_-35-608-048-_-Productmany others on site, just an example
30 bucks

RPM	3000 RPM +/- 10% RPM
Air Flow	158.5 CFM
Noise Level	41.3 dB(A)

ks

[richard5933]

...Does the Ventline open automatically when turned on?

No. The handle needs to be pushed up.

[dtcerrato]

The speed control rheostat works excellent for the shower. You can set it just fast enough to draw the steamy air out with creating a fast chilly draft.

[Glennman]

So, it looks like unless I spend $250+ on a fancier model, I am stuck with a manual opening unit, which means I will have to relocate the unit to a lower part of the ceiling near the side of the bus. My wife will not be able to reach it if it's toward the middle as planned. I guess I can do that.

[Glennman]

did you see the cfm requirement.https://www.newegg.com/noctua-nf-a14-ippc-3000-pwm-case-fan/p/N82E16835608048?Description=fan&cm_re=fan-_-35-608-048-_-Productmany others on site, just an example
30 bucks

RPM	3000 RPM +/- 10% RPM
Air Flow	158.5 CFM
Noise Level	41.3 dB(A)

ks

Thanks windtrader. I probably won't do any McGuyvering on this fan project, but these will work great near the windshield seats and above the bed!

[chessie4905]

They make an 11x11" powered roof vent fan, similar to the full size ones. Would be a substantially smaller hole.

[Glennman]

They make an 11x11" powered roof vent fan, similar to the full size ones. Would be a substantially smaller hole.

Thanks chessie4905. I've seen some that were dubbed "mini". They appeared to be a smaller fan in the same 14x14 hole. I just kind of blew past those, but maybe I need to slow down and take a closer look and see if maybe they are 11x11 instead.