The iRobot 4150 does a great job of picking up dirt, and especially pet hair, from carpet. Unfortunately it does such a good job that the first several times you use it, you will need to watch it and keep emptying the tiny bin where it collects the dirt. (Of course it is also fun to watch, at least the first few times) One small problem I found is that it will get itself trapped under some furniture. The Roomba relies mostly on its front bumper sensor to tell when it hits a wall or obstacle. If you have a coffee table, the Roomba can run under it without hitting the front bumper; but if that table has a bottom shelf just the right few inches above the floor the Roomba runs under the shelf and gets stuck. It also gets confused by some furniture legs and spends quite a while playing pinball bouncing around between the legs before it finally finds it way out. Overall I think it is going to work well for my needs once we get used to each other.Read full review
Best invention ever. Does it really get everything? No. Does it really get into those corners? No. Is it perfect? No. However there is definitely something to be said for turning the Roomba loose in the living room on the carpet, the Scooba loose in the kitchen on the tile, then shutting the bedroom door and taking a NAP! I wake well rested, with a clean house. You can't beat that with a stick! I own a Scooba, a Dirt Dog and two Roombas - I use and love them all. The iRobot company has a lifelong rabid fan.
This model Roomba is great! I've had a roomba red for 2 years and ordered this as a 2nd...We run 1 on each floor. The best features of the 4150 are the APS extended battery and Max mode. This has all the features I need.... Invisible wall and 3 cleaning modes. With 4 cats, 2 dogs and hardwood floors throughout the house, we run the Roomba regularly. It does a great job of keeping the house tidy. The only negatives; You need to pick up small area rugs and lift all lamp cords off the floor (these can trip up Roomba and get it stuck). The dust cup is a bit smaller than I'd like..be sure to empty the dirt cup and pre-filter area immediately after every cycle.
A lot of folks gush over the Roomba. You will need to vacuum less often when using it. It's a great time saver. I bought one without a docking station, because it was cheaper. I had to replace the battery for $30, but that was understood when I purchased it. Without a new battery, the unit would run about 5 - 10 minutes on a charge, so I got a feel of how this unit was going to perform. After I replaced the battery w a battery kit (by the way, don't do this if you're not experienced at soldering & repairing battery packs, it's a tight fit & it's a hassle to solder the wires where they belong, just buy a new battery pack already built) I let it charge up on the quick charger which took only about 30 - 45 minutes. I would have preferred the slow 8 to 16 hour charge with a regular charger, but the new battery is NiMH instead of NiCd, so it can take the abuse of a quick charge. Received in "New" like condition and I'm pleased w the overall appearance. It was very clean and meticulously cleaned on the inside, or hardly used. I use it once or twice every week, and it really helps cut down the manual cleaning of carpets and engineered wood floors (it does both quite well). It's more like a very aggressive Bissell sweeper, not a vacuum, although there is a rubberized bar that spins along the back edge to lift debris into the bin with some suction force, I'm sure, along with the bristles which WILL get tangled in anything stringiy like unfinished carpet adges (I have some remanants for door mats, and these got string runs wrapped up in the bristles of the unit). The exception to the tangling, oddly enough, are cords. It doesn't particulary have an appetite for standard 16 gauge lamp and electric fan cords, although it could possibly get wrapped up in it's own charger wires since they are 22 gauge. It has a hard time with rubberized carpets w thick edges that are floppy in nature (while stiffer carpets that are flatter do very well), it will lift up the edge of the throw rug with it and then try to climb up over it with much difficulty, however, the crude programming instructs the machine to eventually "back off" such obstacles and move on, sometimes leaving the rug in disarray, but it never seems to stop the unit. It's more powerful that I first thought, even though it appears to struggle w carpets, it actually moves along quite well, once you get used to the way it behaves, bouncing into edges and turning on a dosi-doe. The debris indicator lights up to indicate it's hit upon a dirty area and will go round once or twice to get the area a little better before moving on. At times, I get a little anxious about whether it's going to even get to a spot I see with lint or something, but eventually it covers it. I have noticed areas where it seems to skip cleaning, or if it goes over it, doesn't pick up certain cotton lints off my hard wood, also corners are an issue. Since the unit is round, iRobot has incorporated a spinning outer flexable brush which gets small corners OK in the bathroom, but doesn't do so well with broader corners of complete walls for some reason. To me a 90 degree angle is the same on either wall, but for some reason the unit handles the size of the corners differently while cleaning one wall, but not the other, must have something to do with tangency. I never have used the virtual wall to see how it works and the edge detector works well. Overall, it picks up waaay more than I expected. It's a handy houshold tool!Read full review
We bought the 4150 Roomba to replace the "basic" red model we'd bought two years ago. Of course, a Roomba cannot do everything your regular vacuum cleaner can do (like the steps), but it does an awful lot. What a timesaver to let it loose while getting ready for company or when simply busy doing other chores! On this one, we particularly like the docking feature. The only thing to watch out for is that the Roomba will try to suck in cords, shoe strings, and other items that may have trailed onto your floor, so be sure these are picked up or shoved out of the way. Also,although rarely a problem, it is possible for the Roomba to get stuck under furniture that is just slightly lower than the Roomba is high.
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