Suncourt ThruWall Room-to-Room Transfer Fan — Quiet Through Wall Vent Fan Improves Air Circulation Between Rooms 100-275 Sq. Ft. | 10’ Power Cord, 2-Speed (TW408)

Purchased this fan to get warm air from a hallway/main living area into a bedroom on the northeast side of our house. That room has two exterior walls and is always cold in the winter. Our house is heated with hot water baseboards, and this room seems to be on the end of the loop in addition to being on the coldest side of the house. Because framing around the door prohibited me from installing this fan over the door (and there wasn't any other wall available to go directly through), I had to install 8" rigid ducting that went from the hallway, through a cabinet in the adjacent bathroom, and into the bedroom. There's about 36" of ducting total. All connections were made using sheet metal screws and foil backed tape to ensure no warm air leaks into walls - which could lead to condensation and mold/mildew. According to the size/performance chart in the instructions, this fan is for is almost too big for the room (about 100sf). So I use the fan on low and left one small cap and one large cap on, as the directions indicated. I think having additional ducting actually works to my advantage, since the fan's ability to move air is somewhat diminished by having to 'pull' air through that duct. I don't have a traditional install to compare this to, but I will say that the fan is working fantastically for my bedroom. Warm air enters the top of the room and pushes the cold air back into the living area through the gap between the bottom of the door and the floor. The fan is plugged into a Lux Win100 thermostat so it turns on only when the thermostat calls for heat. The fan noise is very low, in my opinion. Just gentle white noise. Dings - - Installation instructions. The instructions make it seem like utmost precision is required when cutting holes, but that's not really the case. I wouldn't advise anyone to be purposefully sloppy, but a little a little slop is ok. - More importantly, I was not impressed by the way the inlet cover is supposed to mate to the flanged sheet metal sleeve. It looked like the flange was supposed to mate with the plastic housing, but the sizes don't match. So you're left just kind of 'making it work'. That's not the end of the world, but some kind of snap fit would work much better. I almost took a star off for that, but it's not a performance issue. All in all, this is a fantastic solution since it works great and it's way cheaper than buying and running a space heater.

The fan is the perfect size to replace a fan we have had for years. Perfect size as advertised. Fairly easy to install and works great. Love the two speeds of the fan Fast delivery. Good product

Definitely a game changer bought for my sons room to help bring heat from the living room. We have a gas heater in living room and was using and electric heater in my sons room. Works great whatever temp i set the living room my sons room becomes in a matter of minutes. We took the electric heater out of my sons room it is completely unneeded now. Only complaint is i was it had 3 speed settings with one lower speed so it would be quiter. We only use speed 1 and its more than egnough. Its not loud but not silent either

We ordered 2 of these fans to install in the walls between some rooms in our basement. It is surprising the amount of air they pull in. The fans are also very quiet. I highly recommend this product.

Super strong fan, quiet and reliable. Easy install. I just traced the circle on the wall & cut with a drywall saw. It may have taken an hour all said and done. I like that it plugs in, it was even easier. We use this fan to pass some extra heat from our Woodstove into an adjacent room. We have noticed the room is much warmer than it used to be.

It does the job, but not very well. The noise level was acceptable at first. Something is happening with age, making increasing noise as time progresses, mostly from imbalance vibrations.

Working good so far. Easy installation. Long power cable. Low noise. Good flow of air. Will recommend.

I wanted to use this thru the wall fan to help distribute the heat from the adjacent room where my wood pellet heater sits to the living room. I would say if you are sinsitive to noise this is not for you. On high setting it is very noisy. On low it barely moves any air. We have to turn up the TV volume just to here it over this fan. Also it is too weak to move the heat around. I decided to remove this fan and custom made my own fan using a 200mm computer cooling fan. This setup moves twice the air and super silent to the point I have to look at it to see if it is still on. Also now moves the heat around the house much better. In my opinion I would not recommend this item.

Works well

Bought one of these, installed it and when we turned the power on, the fan inside the unit flies loose of the motor shaft. Called Suncourt and they tell us to return it because this sometimes happens. Second unit arrived today and re-installed. Again, turned the power on and the same thing occurred. There is no glue or fastener between the fan and the shaft on the motor. Really poor design Suncourt.