Tjernlund FB3F Universal Fireplace Blower and Adjustable Thermo Switch and Speed Control Kit, 330 CFM

Our once "just-for-looks" gas fireplace now actually heats the house fairly well. The fan puts out a lot of air and is pretty quiet on all but the highest speeds. Easy install (you just plug it in and slide it into place).

I replaced the blower that came with my Regency CL1250, and wow!-- This makes a world of difference. The little stove went from being a nice piece of decoration to something that can actually heat the entire house.Note that you need to baffle this correctly, as described in an earlier review. When I first installed the fan, I just shoved it underneath my firebox and hoped it would work. While slightly quieter, It was really no improvement from the "squirrel cage" fan. Once I packed fiberglas insulation around it, whoomph! Tons of airflow at a MUCH improved noise level.Edit: Another thing I would recommend would be to place rubber or silicone feet underneath the legs. This will further reduce the noise by dampening the vibrations that would otherwise resonate through your stove.

I installed this by essentially pushing it to the back of the space under my gas log set and let it go at that. It has some foam strips to rest on and is essentially silent, other than the fan noise (no rattling). It has a rheostat to adjust the blower speed--this I placed outside of the fireplace, along the floor. The wires were just barely long enough to reach from the back to the front of the box to do this. It also has a thermostat that engages at 90 degrees and above. As it was resting on a concrete slab (and would probably never get above that temperature to turn on) I removed it and used a couple of nails (clipped off) to essentially by-pass it; then wrapped it up in electrical tape. Once the return period expires, I plan to cut off the spade clips and use a wire nut for a permanent fix (thank you to another reviewer that gave me this idea). My firebox did not have power under it so I ran the included power cable out the bottom of my fire box and connected it to a power-strip plugged into the wall and use that to turn it on and off.Now, for power--I really have nothing to compare it to other than when it is off (hey, I live in the South and we just don't need heat down here, so I don't know of anyone else with a fire place). With the blower on I can feel heat "push" about 2 feet away from the wall (my firebox is inset, and flush with the wall). The underside of the mantle is still warm, but not "very hot" to the touch as it was before. I left my house fan on, and the house seemed to warm up much quicker. It's really hard to tell, as we don't get that cold weather down here. As a bonus, after turning the fire off, I left the blower on until it blew cool air out. I am sure that air would not have made it into my house otherwise.This feels solid and well made. I believe a lot of thought went into the design and they did a great job with it. What would I like to see improved? The wires for the fan speed and the thermostat need to be longer. Also, I would have liked a significant feeling of air blowing from the top vents of the fireplace--but I think that is probably unrealistic at this price point.

The fan definately puts out more air than I had expected. You must expect though, with this much power, the fan is a little bit noisier than one of the roller fan types. I still am very glad I bought this one though. I love the temperature sensor and speed control. When watching a movie I turn it down to half speed and hardly hear it at all and the air flow is still quite sufficient.

The 330CFM rating on the description is extremely exaggerated. This unit is more capable of producing between 150-200 CFM which is very disappointing if you actually expect 330 cfm. I choose not to return it because my old squirrel cage style blower needed replacement and for the price I paid for this one it equals in performance. The temperature switch works well and is adjustable and installation was fairly simple. Maybe with a newer style fireplace insert that has better airflow design you could get maximum efficiency from this thing.

This product , first of all, is NOT universal.. be sure and check your measurements! The fans only put out enough air to barely be felt on high, and then they are noisy! Don't waste your time or money

I love this item, and it kills me to have to return it, but my fireplace is slightly too small. I did a test, and thought the blower was very quiet, even at higher speed. The unit is heavy so assume it would be stable. The unit almost fits in my fireplace but an indent in the duct work prohibits me from positioning it properly. Very disappointed as I've not seen anything like it elsewhere.

I purchased based on other reviews that said it was quiet. At minimum speed the blower is quiet but once the speed is at 30% or greater the fan becomes progressively louder to the point it is hard to have a conversation in the same room. Air movement is closer to 210 cfm not 330. If you look up the fans they are each rated at 70 cfm x 3 = 210. Blower installed in place of the factory blower for a Heat n Glow gas insert hoping it would be quieter and move more air. The air escapes to the side as well as up and out the vent at the top so not very efficient. It is well made and a reasonable price so I gave it 2 stars. I returned the blower.