Home Robot Vacuum Cleaners Irobot Roomba Combo Essential Vs. Irobot Roomba 621

Irobot Roomba Combo Essential Vs. Irobot Roomba 621 Features Review

14 minute read   Last updated on Aug 18, 2024
iRobot Roomba Combo Essential

iRobot Roomba Combo Essential

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Key features of the iRobot Roomba Combo Essential

Overall Score 6.4

  • Can Clean All Floor Types
  • Battery Power of 1800 mAh
VS
iRobot Roomba 621

iRobot Roomba 621

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Key features of the iRobot Roomba 621

Overall Score 6.4

  • Can Clean All Floor Types
  • Has Included Washable Filters
  • Battery Power of 4500 mAh

A summary by feature comparison

Category Features iRobot Roomba Combo Essential iRobot Roomba 621
COMMONLY ASKED FOR FEATURES can clean all floor types
has mapping and navigation
has an obstacle sensor
works with alexa
compatible with google assistant
number of cleaning modes 2only 3only
warranty period 1year 1year
DESIGN FEATURES has included washable filters
dustbin capacity 0.4L 0.5L
automatically adjusts its height
weight 2.8kg 4.3kg
width 330mm 340mm
height 80mm 92mm
CLEANING PERFORMANCE AND POWER FEATURES battery power 1,800mAh 4,500mAh
operating time 1.2h 1.5h
charge time 2h 3h
operating power consumption 33W 33W
has overheating indicator
has auto-off
can mop floor
has dirt sensor
OTHER FEATURES has problem area cleaning
has carpet detection
support a mobile application
doesn't get stuck
supports virtual barriers
has route mapping
has voice prompts
supports auto docking
has anti-fall sensor
can be scheduled
supports wi-fi
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iRobot Roomba Combo Essential cleans all floor types, this feature comes in handy, since different rooms within a home may have various types of flooring i.e. carpets. When a robot vacuum is advertised able to clean all types of floors, this implies that the robot vacuum is designed and equipped to clean a wide range of flooring materials without much limitations.

iRobot Roomba 621 can also clean all floor types, this means that it too is built to be versatile, providing best cleaning results on either hard floors or carpets commonly found in homes. iRobot Roomba Combo Essential has an obstacle sensor, such a sensor serves the purpose of detecting and identifying obstacles in the robot's path, this allwos it to navigate around them thus avoiding collisions. Also, the iRobot Roomba 621 has an obstacle sensor, obstacle sensors work together to provide the robot vacuum with a comprehensive understanding of its environment, making it possible to navigate around furniture, walls, and other objects when cleaning a room and preventing damage to both the robot and its obstacles.

Many modern robot vacuum cleaners such as the iRobot Roomba Combo Essential are designed to work with Amazon Alexa, which implies that they can be added to the Amazon Echo ecosystem and programmed using voice commands. The iRobot Roomba Combo Essential is compatible with Google Assistant, allowing you to control it using voice commands through Google Home devices or the Google Assistant app installed on smartphones and tablets. The iRobot Roomba Combo Essential has 2 cleaning modes, the cleaning modes supported by robot vacuums can vary widely depending on the make and model of the robot vacuum.

The iRobot Roomba 621, having only 3 has more modes than the iRobot Roomba Combo Essential with a difference of 1 Robot vacuum manufacturers offer different cleaning modes to provide users with flexibility and adaptability to different cleaning scenarios. iRobot Roomba Combo Essential has a period of 1 year, this typically range from 1 year to 2 years, but some higher-end models may give longer warranty periods. iRobot Roomba 621, at 1 year has the same warranty period as that of iRobot Roomba Combo Essential.

When considering a robot vacuum cleaner, it's important to read and understand the warranty terms and conditions, alongside any limitations or exclusions that may apply. The iRobot Roomba Combo Essential's dustbin capacity is at 0.4L, dustbin capacity indicates how much dust, debris, and pet hair the vacuum holds before it can be emptied. iRobot Roomba 621, at 0.5L has more capacity than the iRobot Roomba Combo Essential by 0.1L The dustbin capacity varies widely among robot vacuum models, and the capcity you choose should depend on your cleaning needs and the size of the area you want to clean.

The iRobot Roomba Combo Essential weighs 2.8kg, robot vacuums are generally designed to be lightweight and compact for easy maneuverability and portability. iRobot Roomba 621, at 4.3kg weighs more than the iRobot Roomba Combo Essential by 1.5kg. It's important to take in consideration the weight of the robot vacuum when choosing a model, especially if you plan to carry it up and down stairs iRobot Roomba Combo Essential has a width of 330mm, aslo known as its cleaning path width, refers to the width of the area that it can effectively clean in one go.

The width of a robot vacuum is important as it can affect its efficiency and the time it takes to clean a room The iRobot Roomba 621, at 340mm measures more in width than the iRobot Roomba Combo Essential by 10mm. A wider cleaning path can cover more ground in a single pass, reducing the time it takes to clean a room. iRobot Roomba Combo Essential's height measures 80mm, here you are looking at the measurement from the bottom to its highest point.

Height is a key consideration, especially if you have furniture with limited clearance in your home. The iRobot Roomba 621, at 92mm measures more in height than the iRobot Roomba Combo Essential by 12mm. When choosing a robot vacuum, ensure that the robot vacuum can go under the furniture and navigate effectively in your living space without getting stuck or causing damage.

The battery power of a robot vacuum cleaner is a crucial factor that determines how long the vacuum can operate on a single charge. It is typically measured in milliampere-hours (mAh), iRobot Roomba Combo Essential's battery power is 1,800mAh The iRobot Roomba 621, at mAh4,500 has more battery power than the iRobot Roomba Combo Essential by A bigger capacity implies longer battery life which can be beneficial if you have a large home or if you prefer the robot vacuum to complete cleaning cycles with less interruptions to recharge. The operating time of the iRobot Roomba Combo Essential refers to the amount of time the vacuum can clean continuously on a single charge before it needs to be recharged.

iRobot Roomba Combo Essential's operating time is 1.2h The iRobot Roomba 621, at 1.5h lasts more than the iRobot Roomba Combo Essential with a difference of 0.3h Always plan cleaning cycles around the vacuum's operating time to maximize efficiency and prevent "incomplete work" between charge intervals. iRobot Roomba Combo Essential has a charge time of 2h, the charge time of a robot vacuum cleaner refers to the amount of time it takes for the vacuum's battery to recharge fully after it has been depleted during a cleaning cycle. The iRobot Roomba 621, at 3h charges for longer than the iRobot Roomba Combo Essential with a difference of 1h.

Charge time is an important factor to consider when choosing a robot vacuum, as it determines how long you'll need to wait before the vacuum begins its next cleaning cycle. This is the amount of electrical power the vacuum uses while it's actively cleaning your home. iRobot Roomba Combo Essential has a power consumption of 33W, power is often measured in watts (W) and changes among different robot vacuum models based on several consuption factors.

The iRobot Roomba 621, at 33W has the same power consumption as that of iRobot Roomba Combo Essential. Lower power consumption is more energy-efficient and cost-effective over time, but it may also affect cleaning performance, especially on carpets. This feature is designed to automatically turn off the vacuum after it has completed a cleaning cycle or when specific conditions occur.

iRobot Roomba Combo Essential has an auto-off feature, which is useful for energy efficiency and battery preservation. Also, iRobot Roomba 621 supports this feature, overall, the auto-off feature in a robot vacuum is a valuable addition that in a way promotes energy efficiency, prolongs the vacuum's lifespan, enhances safety, and adds convenience to the cleaning process. That's right, most modern robot vacuum cleaners can mop floors in addition to vacuuming.

Such robot vacuums are often referred to as robot vacuum and mop models and iRobot Roomba Combo Essential is one of those robot vacuums iRobot Roomba Combo Essential has a dirt sensor, these are designed to detect the concentration of dirt, dust, or debris in the room being cleaned and can be used to adjust the vacuum's cleaning behavior during cleaning cycle. You may want to consider buying either the iRobot Roomba 621 or iRobot Roomba Combo Essential If you prefer the ability to automatically adjust the cleaning modes of the robot vacuum based on the level of dirt and debris in your space. iRobot Roomba Combo Essential supports a smartphone app, through which you can control and monitor the vacuum without getting to it physically but through your smartphone or tablet.

This feature in robot vacuum cleaners is designed to eliminate the likelihood of the robot vacuum becoming trapped during cleaning. Robot vacuums such as the iRobot Roomba Combo Essential are equipped with various sensors and technologies to move around obstacles and avoid getting stuck, but the effectiveness of this feature can vary among different models. Both the iRobot Roomba 621 and iRobot Roomba Combo Essential have the "anti-stuck" feature, but clearing clutter, ensuring proper cable management, and creating clear paths for the vacuums can help further reduce the chances of getting stuck while cleaning.

These virtual barriers are typically set up and managed via the robot vacuum's mobile app, similar to no-go zones, these barriers are designed to enable you control and restrict where the robot vacuum can and cannot go while cleaning. Voice prompts are notifications that the vacuum states to provide you alerts on the different states of the vacuum. iRobot Roomba Combo Essential has this feature Auto-docking is a feature that refers to the vacuum's ability to return to its docking station when predetermined conditions are met such as getting work done, battery running low, or any malfunction.

Both iRobot Roomba 621 and iRobot Roomba Combo Essential support this feature, considered a convenient feature because it ensures that the robot vacuum keeps its charge and readiness for cleaning without requiring manual intervention. Modern robot vacuum cleaners such as iRobot Roomba Combo Essential come equipped with an "anti-fall" feature. This feature is intended to save the robot vacuum from falling off stairs, ledges, or other elevated surfaces, thus its safety while cleaning.

This safety feature that is also available on the iRobot Roomba 621 is essential in preventing accidents and keeping the robot vacuum from damage. It gives you peace of mind by ensuring that the vacuum will not fall down a flight of stairs during its cleaning cycle. iRobot Roomba Combo Essential has this convenient feature, which enables you to set certain days or times of day for the robot vacuum to automatically start working.

This feature in robot vacuums is particularly useful in keeping a consistently clean space without the need for manual intervention. iRobot Roomba 621 too allows scheduling. iRobot Roomba Combo Essential supports Wi-Fi, Wi-Fi-enabled robot vacuums offer several advantages and features, such as remote control, mobile app integration, voice assistant compatibility, and remote monitoring.

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