Rated 2.7 out of 5 by 34
Rated 1.0 out of 5.0 by aceaceca Too Noisy - Poor Air Flow
I have used this fan for 5 or 6 years now. It is reliable. Did anyone mention Noise? It is unacceptable. Did anyone mention air flow? It is poor. I put a furnace filter in front of the fans to try and cut some noise. Not much use. A better solution for me was to use a 1000 cfm turbo duct fan 12 inch. Hang it in the rafters with rubber tire mounts or mount it on a board and plum it with insulated 12" flex duct hose. My old house had a 12" grated vent hole in the kitchen which I use as my inlet with a 12" flap valve on the 90 degree elbow I used in the attic. The flap valve closes when the fan goes off to keep heat from flowing back inside.The fan itself on mine is mounted on a good size board with 2 by 8 risers topped with 1/4 inch rubber for vibration control.You can then point the outgoing air where you want to. The fan is on the end of the ducting in the attic. I control it with a self shut off timer switch with 5-15-30-60 min and 2 -4 hr settings. If you want to branch off to other rooms with added grates, simply install the grates in the ceiling and probably go to 8" ducting to a junction before the 12". You can barely hear the fan in the attic and it will suck your kid up the vent hole. I checked air flow with a new flow meter. The turbo fan is pulling air in at 200mph on a 50 ft flexible duct. I could not even get a reading on the other unit. Enough Said!
July 30, 2016
Rated 5.0 out of 5.0 by RodgerDodger Great Fan
I love how this fan opens and closes when you run it on and off. No worries about sealing it in the winter. To me its no noisier than any other whole house fan. We installed it in the hall so it doesnt cause a problem when watching TV and fan noise is just white noise when sleeping. I like the timer on the remote. We set it to run for a couple hours when we go to bed then it turns off automatically.
Installation was easy too. No framing involved!
I would definitely buy this again.
June 18, 2016
Rated 1.0 out of 5.0 by BigT VERY VERY Noisey
The fan works as described, however, it is so loud that it will drive people out of the house. We had a 36" whole house fan and it was not nearly as loud, we went with the Master Flow after seeing it on "This Old House" because it had the R39 insulation.
I read reviews before I purchased and was aware of a noise issue. We set it up on a bench before installation and loosely wired it and started it up, the noise level was acceptable. Installing the unit during construction, five months later the weather called for us to start it up and get the benefits. It is too loud to sleep with and too loud to have on and have a normal conversation.
NOT A GOOD VALUE, I AM IN THE PROCESS OF ATTEMPTING TO RETURN IT.
June 8, 2016
Rated 4.0 out of 5.0 by johnzva Great exhaust fan.
Great product. re purchased as a replacement. The prior unit had manual controls. This new model has all electronic remote controls. Still pulls air really well but I really preferred the manual control of the prior unit.
May 12, 2016
Rated 5.0 out of 5.0 by smhdz Easy install and beats expectations
I have installed 4 of the 24" whole house fans in various homes and have always been hesitant in installing this fan due to the increased cost and poor reviews. At the insistence of my wife we decided to use this fan and if it didn't work we could easily install the full 24" fan.
The house we live in is 101 years old and is lathe and plaster and after the framing out the hole the instillation was EASY.
This unit is not silent but it is about 40% quieter than the 24" whole house fans without having to cut any joists. The fan works great and looks great.
If you are looking for a QUIET solution for cooling, use AC, if you want a cost effective ambient cooling solution this fan is great and although it is not quiet it is more quiet than other comparable solutions
June 29, 2014
Rated 1.0 out of 5.0 by marc Sounds like a jet engine
Yeah it moves air but it's so loud we can't stand running it. Can't talk or watch tv in the house when it is on. I have two units installed and now will have to replace them. The problem is that the motor mounts flush with ceiling and not up higher in the rafters like the quiet cool products. Save your money and go with quiet cool instead
October 17, 2015
Rated 2.0 out of 5.0 by Bill Would not have bought it if I could have found something better
The fan is EXTREMELY, repeat, EXTREMELY noisy and in balance, does not move much air. I grew up with a 5' louvered attic fan, and while [less] noisy, would suck your socks off while lying in bed. Papers would fly off the desk, instant cool air and no more hot house. This fan won't move any paper; heck, it would barely move smoke. However, if left on for a prolonged period of time, it will finally make a difference. Don't bother until the outside (ambient) air temperature is at least 8-10 degrees less than inside. If you are worried about hearing ANYTHING going on inside your house while the fan is on, FORGET IT. You will hear nothing except exceptional noise. The TV has to be turned up by 1/3rd just to hear it in the bedroom, even though the fan is down the hall. The good news is that it seems to be well made, works as advertised and the RF remote works well from just about anywhere in the house. The little lid opens and closes obediently before and after the fan begins blowing, and the second speed (actually just fan # 2 coming on) does not double the noise.... only increases it by about 40% by my estimate. Physics would dictate that airflow doubles when the second fan is on, but I can't tell that much difference from only having one running. The four hour timer works well, but will wake you when the fan noise finally stops.....
I am not disappointed that I bought it; I just wish something better were on the market like in the old days.
November 3, 2015
Rated 4.0 out of 5.0 by KSAN Works Great but is Loud
Installation was easy and quick. The fan works great cools the house down quickly but you need ear plugs when you get within 10 feet of the fan even on low.
September 1, 2015