Why I buy this one ?
- Silent fast and consistent convection heat
- Cool touch surfaces for safer heating
- Lightweight design, only 14 lbs.
- Two heat settings: 500 and 1500 watts
- Dimensions 7.31 long, 22.25 wide, 24.88 high weighs 14.0 pounds

What our customer's say!

"awsome", Simply wonderful is the only way I can describe this heater. It does an excellent job of heating a large space. I use it in a room that is 25x15 and it heats the room with no problem at all, and it does all this quietly and rapidly. This is the second time I've bought this exact same model and I couldn't be happier.

"This is the one to get", Assuming the dimensions of the heater meets your needs, this is the one to get. It is powerful, efficient, safe and completely quiet. I bought a second unit for another area.

"Reliable, safe and quiet...", I've had this heater for over two years and it's still going strong. It's very safe to use around small children, as my three year old daughter had knocked it over several times. Very good for small to medium rooms.

"Perfectly Functional", This heater does exactly what it says. I purchased it as auxiliary heat for a good-sized bedroom and it heated evenly and comfortably without a sound all night. Most of the heat is emitted from the top and there are no "hot spots" to worry about if you have small children or pets. Attractive, contemporary design, too.

"heater", the heater works well in small areas - i was trying to heat a large area and ended up having to supplement with one of those red-hot, coil heaters with a reflecting back (effectively a toaster oven without a door). the bionaire works well in a small area and does not get hot enough to concern you about a fire hazard.

Read this reviews before You buy...

"Cozy and Warm", I'm very pleased with the Bionaire BH3900 heater. The central heating in my 1200 square foot townhouse wasn't working, so I bought the Bionaire. We've recently had some very cold nights (for California) in the 30 to 40 degree range. The Bionaire is plugged into an outlet at the bottom of the living room stairway. It manages to heat the 600 square foot area downstairs, and the warm air rises upstairs to heat the master bedroom. It's lightweight and can be easily wheeled around the room for spot heating. It's also completely silent. I recommend this product.

"Good heater!", I got Bionaire BH 3900 heater from BJs for $59 only. Amazon.com's market place is far too expensive to shop. I used to shop a lot at Amazon.com in the past, but now I have to go somewhere else, as lots of things I wanted were no more available at the Amazon.com, although I could still get it here ( from the third party seller) but the price & the shipping rate are ridiculously high, like this model here Bionaire BH3900, you could get it for $59 each at BJS, why pay $103 plus shipping here ? I got my two NEW delonghi oil filled radiators ---MG15T for $63 and HM25T for 74 ,which included $13 & $14 shipping rate from the Neweggs.com, I odered it yesterday morning & arrived this afternoon, I didn't pay for the express delivery, just a standard shipping, I was very impressed by newegg.com. If I had purchased from here I would have to pay a lot more!

"Heater failed after 1 month of use.", Heater was great when it worked - absolutely silent, and kept my livingroom very comfortable. It turned itself off a few times, apparently as a result of overheating, as the user manual said it would. But, now, after a month of use, it suddenly turned itself off (it wasn't a case of overheating this time - the heater felt tepid to the touch) and will not turn on no matter what I do. Will buy another brand next time.

"finally a room heater that does just that. no bonus noise, weight or danger", My new home came with central heating. I loved the convenience, but wanted a heater for the bedroom so I didn't have to heat the entire home through the night, when it was only one room we needed heat in. There began my quest for a portable electric heater!

My first try was a Bionaire Digital Tower Ceramic Heater. It went right back to the store the moment I realized how powerful (read : noisy) the fan inside was. It did do a decent job warming up the room though.

I knew I'd like something quiet. Real quiet. My next try was an Oil Filled Radiator. It was much quieter - just low clicking sounds (probably from the metal or oil expanding?) - but failed to impress on heating. It took almost an hour to make a significant difference to a cold room (12x14) - and barely kept the temperature up through the night with the thermostat dialled up. When in use - the surface turned really hot - and I worried about someone stepping into it in the middle of the night - or my cat scalding herself while trying to kill it :)

I decided to try the Bionaire BH3900 - it promised swifter heating and a cool surface. My wife and me were delighted! It warms the room up much swifter than the oil filled radiator and is absolutely silent! The heat mostly escapes out the top - and there isn't a lot of heat radiated to the sides. The grille on the side makes this look more elegant than the radiators - and just gets luke warm even when this has been running all night. And while my cat has sniffed at the grille (when on) - she hasn't been tempted into attacking it yet.

This was twice the price of the other options we looked at - but were sold on it the first night we tried using it. I wish the thermostat were digital (knob takes some tweaking to find your sweet spot) - but our quest for a heater has ended.

PS. Bought it off the Bionaire website with a 10% off, free shipping, no tax for 89.99.

"Worked great for 4 months", I purchased this unit at Sears about 2 years back. It kept me warm through the night and I could agree with other reviewers that Bionaire was a great product. After the winter was over, I put the unit away in my closet. When another winter arrived, the Biornaire heater was put to use again, but this time the unit did not perform as well. The heater shut itself off after 10 minutes; I followed the reset instruction but the heater was on for less than five minutes and shut itself off again. I called the customer service to report the problem because the unit was used for only 4 months. They offer me a replacement unit which is a HS3800-U, at my own shipping cost. The lesson here is to purchase a warranty with your bionaire products. That way, you are not struggling with a decision of whether or not you should spend money on the shipping ( both ways ) or just put that money toward a new product.

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