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Less chores. More life. That’s the big idea behind iRobot cleaning robots. Our goal is to simplify your cleaning routine, giving you back more time in your day. If you need assistance with shopping on our site, please call us at (800) 727-9077 and a customer care representative will be happy to assist you.

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iRobot Roomba® 870

Vacuum Cleaning Robot

Item Number: R870020

The Roomba 870 will clean your floors like no vacuum has ever cleaned before. Featuring the revolutionary AeroForce™ Performance Cleaning System, Roomba 870 removes up to 50% more dirt, dust, hair and debris from all floor types. The tangle-free AeroForce Extractors are virtually maintenance-free, making it even easier for Roomba to tackle daily dirt build-up.

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Order Toll Free: 1.800.727.9077

iRobot Roomba® 870 Full Specifications

The AeroForce Performance Cleaning System
Ideal for homes with pets and allergy sufferers, Roomba 870 traps dirt, particulates and allergens, drawing them into the sealed, HEPA-filtered bin. Here's how AeroForce works:

  • Tangle-Free AeroForce Extractors: Dual extractors grab and break down dirt and debris from any floor type. No brushes mean no tangles for you.
  • Airflow Accelerator: The accelerator creates a sealed channel that concentrates the airflow, drawing in more debris.
  • High-Efficiency Vacuum: A compact and efficient high-powered motor provides a 5X improvement in air power than previous Roomba generations.

Effortless Cleaning
Dirt happens every day. Keeping up with it just got easier.
  • Docks And Recharges: Roomba returns to its Home Base® to dock and recharge.
  • Cleans On Schedule: Roomba can be preset to vacuum up to seven times per week.
  • iRobot XLife™ Battery: iRobot XLife Battery delivers twice as many cleaning cycles as previous Roomba batteries, doubling the time before you may need to replace your Roomba battery.
  • Avoids Off-Limit Areas: A Virtual Wall® keeps Roomba in the rooms you want to vacuum and out of the ones you don't.
  • Lets You Know When Bin Is Full: Indicator lets you know when bin needs to be emptied.

iAdapt® Responsive Navigation Technology
In coverage tests, Roomba out-cleans the competition thanks to iAdapt Technology, iRobot's advanced system of software and sensors. iAdapt enables Roomba to find its way around any shape or size of home, covering every area of floor multiple times.
  • Finds Dirt And Debris: With Dirt Detect Series 2, Roomba uses optical and acoustic sensors to find dirt and perform concentrated cleaning.
  • Cleans Like You Would: The Persistent Pass Cleaning Method employs a back-and-forth cleaning pattern to apply elbow grease in areas where it senses excessive dirt.
  • Vacuums Along Wall Edges: Roomba uses Wall-Following Technology to clean right up to wall edges and kickboards.
  • Won't Get Tangled Up: Anti-Tangle Technology keeps Roomba from getting stuck on cords, carpet fringe and tassels.
  • Won't Fall Down Stairs: Cliff-detection sensors allow Roomba to avoid stairs and other drop-offs.
  • Won't Damage Furniture: The molded, soft-touch bumper cushions the contact between Roomba and furniture, walls and other objects.
  • Pushes Past Soft Obstacles: Light-Touch Bumper Technology accurately discerns soft barriers from solid barriers, allowing Roomba to go under curtains, bed skirts and couch skirts.

What's In The Box:
  • 1 iRobot Roomba 870
  • 1 iRobot XLife Battery
  • 2 Virtual Walls (batteries included)
  • 1 Integrated Home Base®
  • 1 Extra HEPA Filter
  • 1-Year Manufacturer's Limited Warranty On Robot, 6-Month Manufacturer's Limited Warranty On Battery

Specifications:
Package Dimensions: 20.5 x 5.5 x 16.5 inches
Package Weight: 12.4 lbs.
Robot Dimensions: 13.9 inches in diameter, 3.6 inches in height
Robot Weight: 8.4 lbs.

The iRobot limited warranty shall not apply to failures or problems which are caused by products or equipment not authorized by iRobot Corporation.

Robot products purchased in North America are intended for use in North America only. Both the 30-day, money-back guarantee and the limited warranty are void if products are used outside North America.

*Roomba runtime remains the same between recharges. Battery lifetime varies with home environment and usage. Use Roomba as directed for longest battery life.

Country of Origin:China


Customer Reviews

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iRobot Roomba® 870
 
4.6

(based on 12 reviews)

Ratings Distribution

  • 5 Stars

     

    (7)

  • 4 Stars

     

    (5)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Cleans effectively (11)
  • Easy to use (11)
  • Cleans under furniture (10)
  • Hassle free operation (9)
  • Long run time (8)

Cons

  • Misses spots (3)
  • Small debris bin (3)

Best Uses

  • High traffic rooms (9)
  • Hardwood floors (8)
  • Large rooms (8)
  • Small rooms (8)
  • Pet hair (7)
    • Reviewer Profile:
    • Homeowner (9), Pet owner (5), Busy household (4)

Reviewed by 12 customers

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Displaying reviews 1-10

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4.0

Definitely worth it.

By Dan

from Aurora, CO

About Me Busy household, Homeowner, Pet Owner

Verified Reviewer

Pros

  • Cleans Effectively
  • Cleans Under Furniture
  • Easy To Use

Cons

  • Misses Spots
  • Small Debris Bin

Best Uses

  • Carpeted Rooms
  • Hardwood Floors
  • High Traffic Rooms
  • Small Rooms

Comments about iRobot Roomba® 870:

I've spent a lot of time watching this to figure out how it "thinks." While it does give pretty good coverage, it will miss spots in larger rooms. My basement is very large and open, but the Roomba almost entirely misses the section near the stairs no matter where I start it. One reviewer stated that you need to prep the room, and I've found this to be true. It seems that the fewer turns and bumps it needs to make the faster it will clean a room, and the battery will last longer.
I would recommend that you confine it to single rooms when you first get it, and let it completely clean those rooms one at a time. We have found that after a while the bin doesn't fill up nearly as fast, so it makes it further and cleans more. I do wish that it could map the house, go back and recharge, and pick up where it left off.
While I think there are some improvements that could be made I have to say that our floors have never stayed this clean. It's nice coming home and not seeing dog hair all over the wood floors. Even if you do have to help it along at times it's still better than doing the whole house manually.

 
4.0

Great cleaning, quiet and efficient

By Mike N

from Davenport, FL

About Me RETIRED

Pros

  • Cleans Effectively
  • Cleans Under Furniture
  • Easy To Use
  • Hassle Free Operation

Cons

  • Long Charge Time
  • Misses Spots
  • Small Debris Bin

Best Uses

  • Hardwood Floors
  • High Traffic Rooms
  • Large Rooms
  • Pet Hair

Comments about iRobot Roomba® 870:

Cleans well, quiet and efficient, but battery doesn't last as long as expected (1-hour), and trash bin too small (empty too often)

  • My Robot's Name:
  • Casa Bella Irobot
 
4.0

Welcome home R1D8(70)

By Beach Family

from Qualicum Beach, BC

About Me Beach Home, Busy household, Family Guy, Homeowner

Verified Reviewer

Pros

  • Cleans Effectively
  • Easy To Use
  • Hassle Free Operation
  • Long Run Time
  • Quiet

Cons

  • No Virtual Lighthouse

Best Uses

  • Carpeted Rooms
  • Hardwood Floors
  • High Traffic Rooms
  • Large Rooms
  • Pet Hair
  • Small Rooms

Comments about iRobot Roomba® 870:

Love the scheduled cleaning!
Keeps our floors looking good!
I'd recommend the 880 over the 870 simply so you can have the lighthouses to guide Roomba around your house.

  • My Robot's Name:
  • R1d8

(7 of 7 customers found this review helpful)

 
4.0

Much better than previous motels

By Rosabelle

from Urbana, OH

About Me Homeowner, Pet Owner

Verified Reviewer

Pros

  • Charges More Quickly
  • Cleans Effectively
  • Cleans Under Furniture
  • Easy To Use
  • Hassle Free Operation
  • Holds Charge Longer Than
  • Large Debris Bin
  • Long Run Time
  • More Powerful
  • Old 500 Model

Cons

    Best Uses

    • Carpeted Rooms
    • Hardwood Floors
    • High Traffic Rooms
    • Large Rooms
    • Pet Hair
    • Small Rooms

    Comments about iRobot Roomba® 870:

    A vast improvement over our old 500 model!

    (6 of 7 customers found this review helpful)

     
    5.0

    I would buy this product again and again

    By Aida

    from Miami, Florida

    About Me Homeowner

    Pros

    • Cleans Effectively
    • Cleans Under Furniture
    • Easy To Use
    • Hassle Free Operation
    • Large Debris Bin
    • Long Run Time

    Cons

    • Noisy

    Best Uses

    • Small Rooms

    Comments about iRobot Roomba® 870:

    I use this product every day it is a great help to me, now my home is always clean.

    (6 of 6 customers found this review helpful)

     
    5.0

    Nice piece of machinery!

    By Jerry The Kettlebell Lifter.

    from Green River, Wyoming

    About Me Homeowner

    Pros

    • Cleans Effectively
    • Cleans Under Furniture
    • Easy To Use
    • Hassle Free Operation
    • Large Debris Bin
    • Long Run Time

    Cons

      Best Uses

      • Carpeted Rooms
      • Hardwood Floors
      • High Traffic Rooms
      • Large Rooms
      • Small Rooms

      Comments about iRobot Roomba® 870:

      I'm a 12 hour rotating shift worker and this product will come in handy while I'm outside doing yard work or running errands, this machine will be cleaning my floors.

      (8 of 8 customers found this review helpful)

       
      5.0

      WOW. so amazing

      By Jon with the happy wife. lol

      from Clearlake Ca.

      About Me Cant Hire A Maid, Homeowner, No Time To Vacuum, Pet Owner

      Pros

      • Cleans Effectively
      • Cleans Under Furniture
      • Easy To Use
      • Hassle Free Operation
      • Large Debris Bin
      • Long Run Time

      Cons

      • Non

      Best Uses

      • Any Pet Hair
      • Hardwood Floors
      • High Traffic Rooms
      • Large Rooms
      • Omg It Loves Pet Hair
      • Pet Hair

      Comments about iRobot Roomba® 870:

      It picks up and slightly buffs floor. Easy to clean daily with a small dust buster. takes about 1 min.i have a large dog and a baby. it keeps hair off the floor daily. the bin is full everyday. I never realized the floor hid that much dirt. I am so relaxed knowing I wont have to clean floor when I get home.I watched it the first couple of days, and its very smart. Will get itself unstuck from most uneven surfaces. Buy an extra tri blade though. I have sharp corners and it pulled one of the bristles off but that was after several months of daily use. I have recommended the krackin to everyone I know with dogs and hardwood floors. Keep up the great work Roomba guys.

      • My Robot's Name:
      • Its Best To Yell Its Name, The Krackin

      (11 of 12 customers found this review helpful)

       
      4.0

      Want more robot vacuums

      By Eileen

      from Martinez, CA

      About Me Homeowner, Pet Owner

      Pros

      • Cleans Effectively
      • Cleans Under Furniture
      • Easy To Use

      Cons

      • Misses Spots
      • Noisy
      • Small Debris Bin

      Best Uses

      • Hardwood Floors
      • High Traffic Rooms
      • Large Rooms
      • Pet Hair
      • Small Rooms

      Comments about iRobot Roomba® 870:

      Hal goes on a mission every day here; The floors, and area rugs are cleaner - and they weren't visibly dirty before. There are some mission control preparations that facilitate a successful vacuuming: 1. lifting wires off the floor, this roomba catches any wires, sometimes releases them, sometimes does not which causes it to stop and give an error message; 2. blocking access to underneath furniture with uneven lower edges - Hal can get in, but not out from under some of the furniture because the clearance is lower in the back or it slopes, or it is curved, which can trap the roomba on the furniture edge causing it to spin endlessly until the battery dies or an error message is generated. 3. Setting virtual walls at stairtop - Contrary to claims of edge detection programing, Hal will not come to the edge and backoff, he comes to the stair edge and stops sounding an error, have found him hanging on thresholds of the stairs and entry to the garage. 4. Lifting dining chairs and bar stools - Hal can get stuck going round and round the chair legs, so it saves work to make the undertable space as open as possible. 5. Turn rug fringe under - this unit grabs the fringe causing an error.
      So, while it relieves me of daily vacuuming, I need to be in the house when sending Hal on a mission, and he does require a pre-mission room setup. This new routine has had the positive side-effect of a neater house!
      Maintenance: the bin is tricky to remove and reinsert. Could use a small brush to swipe the inside - I use a sewing machine brush. Irobot might add a brush to accessories.
      Rollers easily removed and reinserted after cleaning. Have not attempted to remove and clean the wheels yet.
      I wanted to get a couple of lighthouses to facilitate a more efficient route, but they are only compatible with the 880 - unfortunate at this price point for sure.
      Yes, I want another roomba; one on each floor would be nice. I'll go for the 880 next time.

      • My Robot's Name:
      • HAL

      (28 of 28 customers found this review helpful)

       
      5.0

      Considerably better than 700 series

      By Keith Conover

      from Carnegie, PA

      Verified Reviewer

      Comments about iRobot Roomba® 870:

      I have worn out one of almost every series of Roombas, back to ones that wouldn't do rug fringes (I turned them under). I have a big house, several animals and a messy child. My 700 series was nice, and better than all the previous series but it started dying... random loud clicking noises, running loud, and not picking up very well. I took it apart and found nothing I could easily fix.

      So I splurged and got one of the new 870s; the fact that it was a major redesign caught my interest. I don't schedule my Roomba at all; I'm an emergency physician and my schedule is random. When I'm at home I put Roomba down in a room and run it until the battery is dead, cleaning it out on a regular basis. So I don't need programming.

      I just used the new 870 last night for the first time. I put it in a dirty room, cleaned it out when it was full, and put it back down. I thought there was a problem because a few minutes later I noticed that the "full" light was on, and I'd had problems with the 700 series and previous not turning off their "full" lights until you turn it off and on again.

      Nope, I checked it and it was full already. The new brush design is much more effective than that used in the past few series' brush decks. The filter's a bit hard to get out and back in, but other than that, extremely pleased. It is quieter than the 700 series (when my 700 series was new), and it picks up twice as much stuff in half as much time. Rugs are much cleaner; dog hair that was stuck to the rug and the 700 series wouldn't pick up (even when new) got picked up right away.

      This is not only the best Roomba by far, but a big jump from the 700 series. Get one!

      (22 of 23 customers found this review helpful)

       
      5.0

      Rosie gets it done!

      By Country Girl

      from Hill country, TX

      About Me Homeowner, Lazy Vacuumer, Pet Owner

      Pros

      • Cleans Effectively
      • Cleans Under Furniture
      • Easy To Use
      • Hassle Free Operation
      • Large Debris Bin
      • Long Run Time

      Cons

        Best Uses

        • Carpeted Rooms
        • High Traffic Rooms
        • Large Rooms
        • Pet Hair
        • Small Rooms

        Comments about iRobot Roomba® 870:

        I didn't need an 870, my old Roomba 551 was working just fine. But, I have a chow chow, and her hair would get in the brushes and it took me a while to clean the brushes every couple of days. The 870 is just what I wanted . . . with the rubber rollers. I didn't need the virtual lighthouses and the remote control that come with the 880. I don't remember life without a Roomba, but I must have spent much more time vacuuming!

        • My Robot's Name:
        • Rosie 2

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