ecovacs deebot n79s

EcoVacs Deebot N79S Robot Vacuum Cleaner Review

This post may contain affiliate links for which I could earn a commission.

EcoVacs Deebot N79S

While Robotic vacuum names like Roomba and Neato, to name but two, might be better known, the EcoVacs Deebot N79S is currently one of the best selling robotic vacuums you can buy.

For any home owner, making sure that your house is spotless is essential to ensure that you live in a clean, germ, dirt and allergen free environment. One of the best ways to do that is by using a vacuum cleaner to clean your carpet and floors.

Not so long ago, this used to be a tedious job having to control the machine to get the job done. Today however, with the advent of robotic vacuum cleaners, things have become easier and faster, giving you more time to work on other things.

This review will include what we consider to be the best in terms of the N79S’s cleaning power and convenience so that you can make a better informed decision. We have also looked at various customer reviews so you can see what the verdict is.

Review of the EcoVacs Deebot N79S Robot Vacuum Cleaner

Floor Types

The manufacturer says that for optimal performance, the N79S will work on the following floor types:

  • Wood
  • Laminate
  • Ceramic tile
  • Low pile light colored carpets

Setting Up

Setting up the Deebot N79S is quite simple. The main unit requires some assembly, however, all it consists of is snapping the side brushes into place, setting up the unit’s Wi-Fi connection and enabling the Deebot app on your Amazon Alexa or Google Home device. The accompanying handy visual guide makes it an easy process from assembly to enabling the app and running the device.




This machine comes with a remote control unit and an app control. With the remote, when you’re ready to get started you just press the ‘auto’ button and away it goes. You can also control it yourself by pressing the ‘home’ button.

The ECOVACS App allows you to schedule your cleaning times through your smart phone. Through it you can also set the appropriate cleaning mode and also monitor the cleaning status of your robot anywhere, any time.

Setting up the robot with Amazon Alexa or Google Home is fairly easy. Once connected, you can control your N79S like any other connected home device. This means that you can use this centralized system to maintain and direct your robotic vacuum cleaner. The only commands available through Alexa and Home are “start cleaning”, “stop cleaning”, and “return to charging base”.

The Ecovacs N79S works on a 2.4 GHz router. If you have a router with 2.4 GHz and 5.0 GHZ, that’s ok, as long as it can access the 2.4 GHz band.

If you do not have internet access, there is no need to worry as you don’t need it. The Deebot N79S comes with manual buttons and a remote control. You only need WiFi if you want to use the EcoVacs app. With the app you can control and monitor your little robot from anywhere. You can monitor its status, schedule a clean (or multiple cleans) or start a new cleaning session.

The robot has a time scheduling function and can be programmed to automatically clean at a specific time using the remote control unit, even if no-one is at home. This is very useful if you are out to work and want to come home to a freshly cleaned house – You just set it and forget it!

If you dislike the sound of a vacuum running when you’re at home or don’t want the vacuum running at night while you’re sleeping, this is a handy feature because you can choose to run the vacuum only when you’re not home and still control what gets done.

The Deebot N79S has the following four specialised operational modes:

  • AUTO Cleaning Mode – This is the most commonly used mode where it cleans in a straight line and changes direction when it encounters an object.
  • Spot Cleaning Mode – Suitable for areas that are particularly dirty where it focuses on a specific area to clean.
  • Edge Cleaning Mode – Only cleans the edges and corners of rooms.
  • Single Room Mode – For use when the N79S only needs to clean a single room. Similar to Auto mode but it won’t move between rooms.
  • Return to Charger Mode – When the battery gets low, the unit automatically switches to this mode and returns to the charging dock to recharge itself.

The N79S automatically cleans at the scheduled cleaning time every day. However, please note that the schedule is erased if you turn the power off or if the battery drains completely which means you have to reprogram your schedule after it has re-charged. To avoid this, make sure your robot is always in the charging dock. You might even make a note of your favorite schedule so that it’s not permanently lost.


Before using the robot, you should take a few moments to remove any obstacles from the area to be cleaned. This includes wires and cords which the robot can get caught up in. A robot vacuum doesn’t know any of those things. It’s going to run into things at first. It’s likely to run over a cord if you don’t take time to “robot-proof” the area in which the vacuum is going to work.

If you have blinds over sliding glass doors, it avoids cleaning that area – you should open any blinds if you want it to clean that area.

The Deebot N79S has what the manufacturers call a “3-stage cleaning system”. The underside of the N79S includes two spinning brushes and a main V-shaped rotary brush. The spinning brushes grab dirt from the edges and corners of the room and pass it into the unit’s path so that it can be picked up by its rotating brush. In other words, it sweeps, lifts and vacuums in one pass lifting more dirt and dust particularly on carpets. The dirt is collected in a tray at the back of the vac that’s easily removed and emptied.

The N79S comes with what’s called a “Max Mode Cleaning” function which gives increased suction and cleaning power should you require it. This is great as you can sometimes require this for stuborn dirt. This mode is stronger than over 50% of robots. It’s not recommended that you use this mode all the time as you risk draining the batteries quicker than normal.

In standard suction mode, the N79S noise level is about ~67 dbA. It can reach ~70 dbA when in Max Mode. This level is low enough so that you can comfortably watch television or chat on the phone without being unduly disturbed. Several people have mentioned that it is quieter than the iRoomba robots. Even the newest, quietest version of the iRoomba – on the lightest mode – runs at 70 dbA.

The N79S is a deep-cleaning robotic vacuum cleaner and is designed to easily manage the transition from hardwood to short pile rug. As well as hard floors (wood, laminate, ceramic tiles), the robot is also recommended for thin, light colored carpets. The reason why thin carpets should be light colored is because the unit interprets dark carpets as a drop off so does not perform well on them. Of course, if there are no drop-off spaces near your thin, dark carpet, you can always put tape over the robot’s sensors to help it clean your dark carpets.

However, as with many other robotic vacuums, it is not suitable for long-pile carpets and rugs. Rugs with long fringed edges can easily get tangled in the brushes and you are advised to fold these edges under before you let the robot loose in the room

The N79S requires at least a 3” to 4” (8cm to 10cm) clearance in order to be able to clean under furniture.

It cleans pet hairs very effectively. Several users that have pets that shed hair can't recommend this unit highly enough.

The device has anti-collision sensors and soft cushion bumpers so if it bumps into furniture it won’t damage it.

You don’t have to worry about the N79S kicking up dirt while you are out of the house. The integrated high-efficiency air filter system captures airborne particles and allergies triggers that are ejected into the air while it cleans.

All of those features allow this vacuum to do a great job at cleaning your floors.


Initially, when you get the robot, you should place it on the charging dock and charge it for at least four hours before its first use. You need 6.6″ in front of charging unit and 3.3″ on each side for clearance at all times

Run time for a single full charge is approximately 100 – 120 minutes. When battery power gets low, the vacuum cleaner automatically returns to its docking station all by itself and recharges. The unit must be within sight of the charging station in order to actually return itself for re-charging. If it's in another room and away from the charging unit when the battery gets low it won't find it's way back.

One thing to remember is that if it runs low on battery, stops and goes back to the charging unit it, when it finishes charging, it does not start back where it left off.

If you have more than one floor you'd like the robot to clean, you would have to move the unit to each floor to have it cleaned. Obviously it won’t be able to return to its charging unit if it’s not on the same floor.

N79S Sensor/Safety Technology

With its array of anti-collision and anti-drop sensors (to prevent it falling down stairs) and a bump guard that read the room and prevent it falling down the stairs, the Deebot N79S maneuvers through your house with ease.


Bin capacity is 450 ml and isn’t all that big. Because of the amount of dust it picks up, it is recommended that the bin it is emptied after each use, particularly if you have pets as the pet hair will fill up the bin more quickly. It will beep three times when the tray is full.


13 inches dia. x 3.07 inches high (33cm dia. x 7.8 cm high)

Weight – 7.17 pounds (3.25 Kg)


The N79S comes complete with remote control, main brush, side brushes and docking station. We would advise however that you get the accessory kit with the extra spinning brushes, filters and a spare brush roller as you will eventually need these after about 6 months of starting to use it. Ecovacs sells replacement filters and hardware should anything become broken.


A Multi-Function Cleaning Tool is provided for easy maintenance.

To keep the unit running at peak performance, maintenance of the Deebot N79S is quite straight forward.  The majority of maintenance involves releasing the tray with a thumb press and removing the tray from the base of the device and emptying it. The filter is located inside the tray and can be pulled out and patted clean and reinserted. If you have pets in the house, Ecovacs recommends that you give this unit and filters a good clean twice a week.

Manufacturer's Warranty

The N79S comes with a 1-Year Warranty


  • Setup instructions easy to follow
  • Set it and leave it to do its thing
  • Sensors prevent it from falling down stairs
  • Edge cleaning mode for more thorough cleaning
  • Can climb small inclines (floor type dividers, from floor to thin carpet)
  • WiFi for app control
  • Connects with Alexa and comes with remote
  • Can turn it on from anywhere if you connect it to your WiFi
  • Relatively quiet
  • Good run time before battery needs to recharge


  • Need to change the spinner brushes more often than you would expect
  • Not so good on high pile or shag carpets
  • Sometimes won’t connect to wifi

DEEBOT N79S Reviews and Ratings

There are many reviews online, the majority of which are extremely positive. Most users heavily agree that this unit does what it’s supposed to and it does it very well. The suction is good and the edge cleaning mode means even less work on your part.

What’s interesting are the number of people who name their robot vacuum. We don’t name our regular vacuums or our mops but as soon as we have a device that does some cleaning FOR US we want to give it a name. Fascinating!


Compared to many other robotic vacuums, the price is very reasonable for the features that it comes with.


Moving from a regular vacuum to a robot vacuum does take some adjustment. When you’re used to vacuuming yourself you know exactly which trouble spots you have in your house. You know you have to pick up your husband’s laptop cord and push the vacuum underneath. You know that you’re always hitting the corner of your coffee table by accident. You know that you can wedge the lip of your vacuum under your sofa if you push a little harder.

Sometimes, this kind of adjustment can be such a turn off that a person isn’t ready to make the transition or they think a robot vacuum doesn’t work. That’s not true – you just have to get used to doing things in a different way.

If you hate vacuuming and you want to try a robot vacuum cleaner but don't want to spend a lot of money, I would highly recommend the Deebot N79S. Like many of the other affordable robotic vacuum cleaners, the Deebot N79S does not come with the fancy features of other more expensive models. It does however have powerful suction. Its battery life is one of the longest I’ve seen and it runs quietly and, unlike other affordable robot vacuums, the N79S can be controlled via a remote control unit, smartphone app or Amazon Alexa or Google Home.

If you don't have a smart phone or Alexa or Google Home or don't see yourself ever using those things to control your vacuum, then you should have a look at the Deebot N79 instead as it's cheaper and most of the other features are the same except Max Mode Suction Power.

EcoVacs Deebot N79S Robot Vacuum Cleaner Review