iRobot Roomba i4

An overview of iRobot Roomba i4

IRobot Roomba i4 is a standout Robot Vacuums that has earned a solid reputation among owners. First introduced in 2021, it is now a mature, well-documented product. Below we cover everything from specifications to troubleshooting.

Put simply, The iRobot Roomba i4 is a budget-friendly robot vacuum that delivers 2,200Pa of suction and navigates with Gyro.

Getting started

IRobot Roomba i4 is ready to go almost out of the box. A short setup routine gets you to first use without fuss. Should anything go wrong, the error guide below will help. Once it is running, iRobot Roomba i4 largely looks after itself.

How iRobot Roomba i4 is put together

In terms of build quality, iRobot Roomba i4 holds up well to regular use. The fit and finish are a step above many rivals. In everyday use, this model is straightforward to operate. Setup takes minutes, and the interface is clear.

Key specifications

Under the hood, iRobot Roomba i4 is defined by these figures.

• The Suction power: 2350 Pa
• Navigation: Gyro
• The Dock type: Standard
• Battery: 2500 mAh
• The Dustbin: 350 ml
• Water tank: 0 ml
• The Mopping: false
• Self-emptying: false
• The Mop washing: false
• Hot air drying: false

Taken together, these details give a clear picture of what iRobot Roomba i4 can do.

Real-world performance

When you actually use it, iRobot Roomba i4 delivers solid, repeatable results. It copes well with the demands of regular use. Performance stays strong even under sustained use. That said, it is not without limits. Under extreme conditions, you will notice its boundaries. For everyday needs, this is unlikely to matter.

Replacement parts and consumables

Over time, every Robot Vacuums needs a few replacement parts.

The database lists 73 parts for iRobot Roomba i4, including filters, brushes, and other consumables.

• IRobot Roomba j5 Combo Filter (filter) — part #IRO-ROOMBAJ5COMBO-FI
• The iRobot Roomba j5 Combo Left side brush (part) — part #IRO-ROOMBAJ5COMBO-SI
• IRobot Roomba j5 Combo Right side brush (part) — part #IRO-ROOMBAJ5COMBO-SI
• The iRobot j5 Combo Main Brush Roller (part) — part #ROL-IROBOT-J5-COMBO
• IRobot Roomba j5 Combo Side brush set (part) — part #IRO-ROOMBAJ5COMBO-SI
• The iRobot Roomba i3 Filter (filter) — part #IRO-ROOMBAI3-FI
• IRobot Roomba i3 Left side brush (part) — part #IRO-ROOMBAI3-SI
• The iRobot Roomba i3 Right side brush (part) — part #IRO-ROOMBAI3-SI
• IRobot i3 Main Brush Roller (part) — part #ROL-IROBOT-I3
• The iRobot Roomba i3 Side brush set (part) — part #IRO-ROOMBAI3-SI
• IRobot Roomba i3+ Filter (filter) — part #IRO-ROOMBAI3PLUS-FI
• The iRobot Roomba i3+ Left side brush (part) — part #IRO-ROOMBAI3PLUS-SI
• IRobot Roomba i3+ Right side brush (part) — part #IRO-ROOMBAI3PLUS-SI
• The iRobot i3+ Main Brush Roller (part) — part #ROL-IROBOT-I3
• IRobot Roomba i3+ Side brush set (part) — part #IRO-ROOMBAI3PLUS-SI
• The iRobot Roomba i4 Filter (filter) — part #IRO-ROOMBAI4-FI
• IRobot Roomba i4 Left side brush (part) — part #IRO-ROOMBAI4-SI
• The iRobot Roomba i4 Right side brush (part) — part #IRO-ROOMBAI4-SI
• IRobot i4 Main Brush Roller (part) — part #ROL-IROBOT-I4
• The iRobot Roomba i4 Brush guard (part) — part #IRO-ROOMBAI4-BR
• IRobot Roomba i4 Side brush set (part) — part #IRO-ROOMBAI4-SI
• The iRobot Roomba i4 Cable organizer (accessory) — part #IRO-ROOMBAI4-CA
• IRobot Roomba i4 Cleaning tool (accessory) — part #IRO-ROOMBAI4-MA
• The iRobot Roomba i4 Charging cable (accessory) — part #IRO-ROOMBAI4-CH
• IRobot Roomba i4 Remote control (part) — part #IRO-ROOMBAI4-RE
• The iRobot i4 Floor Cleaning Solution (consumable) — part #SOL-IROBOT-I4
• IRobot Roomba i5 Filter (filter) — part #IRO-ROOMBAI5-FI
• The iRobot Roomba i5 Left side brush (part) — part #IRO-ROOMBAI5-SI
• IRobot Roomba i5 Right side brush (part) — part #IRO-ROOMBAI5-SI
• The iRobot i5 Main Brush Roller (part) — part #ROL-IROBOT-I5
• IRobot Roomba i5 Side brush set (part) — part #IRO-ROOMBAI5-SI
• The iRobot Roomba i6+ Filter (filter) — part #IRO-ROOMBAI6PLUS-FI
• IRobot Roomba i6+ Left side brush (part) — part #IRO-ROOMBAI6PLUS-SI
• The iRobot Roomba i6+ Right side brush (part) — part #IRO-ROOMBAI6PLUS-SI
• IRobot i6+ Main Brush Roller (part) — part #ROL-IROBOT-I6
• The iRobot Roomba i6+ Side brush set (part) — part #IRO-ROOMBAI6PLUS-SI
• IRobot Roomba 694 Filter (filter) — part #IRO-ROOMBA694-FI
• The iRobot Roomba 694 Left side brush (part) — part #IRO-ROOMBA694-SI
• IRobot Roomba 694 Right side brush (part) — part #IRO-ROOMBA694-SI
• The iRobot 694 Main Brush Roller (part) — part #ROL-IROBOT-694
• IRobot Roomba 694 Side brush set (part) — part #IRO-ROOMBA694-SI
• The iRobot Roomba 675 Filter (filter) — part #IRO-ROOMBA675-FI
• IRobot Roomba 675 Left side brush (part) — part #IRO-ROOMBA675-SI
• The iRobot Roomba 675 Right side brush (part) — part #IRO-ROOMBA675-SI
• IRobot 675 Main Brush Roller (part) — part #ROL-IROBOT-675
• The iRobot Roomba 675 Side brush set (part) — part #IRO-ROOMBA675-SI
• IRobot Roomba 614 Filter (filter) — part #IRO-ROOMBA614-FI
• The iRobot Roomba 614 Left side brush (part) — part #IRO-ROOMBA614-SI
• IRobot Roomba 614 Right side brush (part) — part #IRO-ROOMBA614-SI
• The iRobot 614 Main Brush Roller (part) — part #ROL-IROBOT-614
• IRobot Roomba 614 Side brush set (part) — part #IRO-ROOMBA614-SI
• The iRobot Roomba 692 Filter (filter) — part #IRO-ROOMBA692-FI
• IRobot Roomba 692 Left side brush (part) — part #IRO-ROOMBA692-SI
• The iRobot Roomba 692 Right side brush (part) — part #IRO-ROOMBA692-SI
• IRobot 692 Main Brush Roller (part) — part #ROL-IROBOT-692
• The iRobot Roomba 692 Side brush set (part) — part #IRO-ROOMBA692-SI
• IRobot Roomba e5 Filter (filter) — part #IRO-ROOMBAE5-FI
• The iRobot Roomba e5 Left side brush (part) — part #IRO-ROOMBAE5-SI
• IRobot Roomba e5 Right side brush (part) — part #IRO-ROOMBAE5-SI
• The iRobot e5 Main Brush Roller (part) — part #ROL-IROBOT-E5
• IRobot Roomba e5 Side brush set (part) — part #IRO-ROOMBAE5-SI
• The iRobot Roomba e6 Filter (filter) — part #IRO-ROOMBAE6-FI
• IRobot Roomba e6 Left side brush (part) — part #IRO-ROOMBAE6-SI
• The iRobot Roomba e6 Right side brush (part) — part #IRO-ROOMBAE6-SI
• IRobot e6 Main Brush Roller (part) — part #ROL-IROBOT-E6
• The iRobot Roomba e6 Side brush set (part) — part #IRO-ROOMBAE6-SI
• IRobot i4 Replacement Battery (battery) — part #BAT-IROBOT-I4
• The iRobot i4 HEPA Filter (filter) — part #FIL-IROBOT-I4
• IRobot i4 Side Brush (part) — part #SBR-IROBOT-I4
• The iRobot i4 Mop Pad (part) — part #MOP-IROBOT-I4
• IRobot i4 Dust Bag (consumable) — part #DBG-IROBOT-I4
• The iRobot i4 Water Tank Filter (filter) — part #WFL-IROBOT-I4
• IRobot i4 Dock Filter (filter) — part #DFL-IROBOT-I4

Swapping these components is a simple job, which keeps iRobot Roomba i4 performing like new.

Care and maintenance

IRobot Roomba i4 rewards owners who keep up with basic upkeep. Cleaning the key components on a regular schedule is the single best way to avoid problems. When a part does wear out, replacing it promptly keeps the rest of the unit healthy. Looked after properly, iRobot Roomba i4 will last a long time. The guides above will help you keep it in top condition.

Known issues and fixes

Owners of iRobot Roomba i4 most often run into the following issues.

The Main brush error issue

The robot stops or reports the main brush is stuck. Hair or debris is likely wrapped around the roller.

Most owners fix it by:

• Remove the main brush guard and clear hair or debris wrapped around the roller.
• Replace the main brush

Error error-11

Wheel error — the robot may be stuck. One of the wheels is blocked, preventing the robot from navigating.

The fix is usually:

• Turn the robot over and clear hair or debris from both drive wheels.

Error 12

Robot cannot start or the wheel is stuck. The main brush or wheels may be jammed.

To resolve this:

• Clear the brush and wheels
• Hold the power button for 10 seconds to force a restart, then place it on the dock.

Error error-1

The robot reports a sensor fault and stops or moves erratically. The bumper or cliff sensors may be blocked by dirt or damaged.

The fix is usually:

• Clean the bumper and cliff sensors
• Check that the bumper is not stuck against the chassis. Gently press it to confirm it moves freely.

The Side brush error issue

The side brush is not spinning. It may be jammed or the screw may have loosened.

Most owners fix it by:

• Clean the side brush
• If the bristles are worn, install a replacement side brush.

Error error-14

The robot does not charge on the dock. Charging contacts or the battery may be faulty.

The fix is usually:

• Clean the charging contacts
• If the battery no longer holds a charge, install a replacement battery.

Error 18 — fan error

There is an issue with the vacuum's fan, reducing suction.

To resolve this:

• Reset the robot
• Remove the dustbin and check the fan for blockages.

The Lidar / navigation error issue

The robot cannot build a map or is lost. The lidar tower may be blocked or dirty.

Most owners fix it by:

• Clean the recharge sensor
• Turn the robot off and on to reset the sensor.

Error error-42

The maintenance brush is jammed and needs to be cleared.

The fix is usually:

• Clear the maintenance brush
• If the brush is worn, replace it with a genuine one.

If the problem persists, a replacement part or a service visit may be needed.

Value for money

When you weigh what iRobot Roomba i4 offers against its price, it stacks up well. You are paying for a dependable, well-built product, not for marketing hype or gimmicks. Add in cheap consumables and simple upkeep, and the total cost of ownership is attractive. In most cases, iRobot Roomba i4 is a sound financial choice.

Pros and cons

It is worth being honest about iRobot Roomba i4's trade-offs. Its clear strengths are that it is straightforward, capable, and fairly priced. The flip side is that it lacks some of the bells and whistles of pricier rivals. For most people, the good clearly outweighs the bad. It is a sensible, balanced choice rather than a risky one.

Who should buy iRobot Roomba i4

This model suits buyers who value reliability and straightforward operation. It is not the best pick for power users chasing the top of the spec sheet. If you fall into the first group, iRobot Roomba i4 is easy to recommend. It delivers exactly what most owners need.

What to weigh before buying

If you are weighing iRobot Roomba i4, it helps to think about a few things. This model works well for regular household tasks, and it holds up well over time.

It competes with iRobot Roomba i3+, the iRobot Roomba i5, Dreame L20 Ultra, the Roborock S8 Pro Ultra and Roborock S8 MaxV Ultra, so check the alternatives before deciding.

What else is out there

IRobot Roomba i4 does not exist in a vacuum. Depending on your priorities, a different model may suit you better. It is always worth comparing a few candidates before you commit.

Models most often compared with iRobot Roomba i4 are the iRobot Roomba i3+, iRobot Roomba i5, the Dreame L20 Ultra, Roborock S8 Pro Ultra and the Roborock S8 MaxV Ultra, each with its own strengths and trade-offs.

Ultimately, iRobot Roomba i4 stacks up well against its rivals. Its combination of price, features, and reliability is hard to beat.

Common questions about iRobot Roomba i4

Is iRobot Roomba i4 a good investment?

Generally speaking, yes. It is a well-rounded option that most owners are happy with.

How durable is iRobot Roomba i4?

With regular maintenance, iRobot Roomba i4 should last for years. Keeping up with parts replacement makes the biggest difference.

Where can I find parts for iRobot Roomba i4?

The parts listed on this page are a good starting point. They are generally in stock from major retailers.

Why does iRobot Roomba i4 show Main brush error?

Main brush error is usually resolved by Remove the main brush guard and clear hair or debris wrapped around the roller. Or Replace the main brush.

How do I fix Error 11 on iRobot Roomba i4?

The typical fix for Error 11 is Turn the robot over and clear hair or debris from both drive wheels.

What should I do about Error 12?

For Error 12, start with Clear the brush and wheels or Hold the power button for 10 seconds to force a restart, then place it on the dock.

Why does iRobot Roomba i4 show Bumper / cliff sensor error?

Bumper / cliff sensor error is usually resolved by Clean the bumper and cliff sensors or Check that the bumper is not stuck against the chassis. Gently press it to confirm it moves freely.

How do I fix Side brush error on iRobot Roomba i4?

The typical fix for Side brush error is Clean the side brush or If the bristles are worn, install a replacement side brush.

What should I do about Battery cannot charge?

For Battery cannot charge, start with Clean the charging contacts or If the battery no longer holds a charge, install a replacement battery.

Why does iRobot Roomba i4 show Error 18 — fan error?

Error 18 — fan error is usually resolved by Reset the robot or Remove the dustbin and check the fan for blockages.

What should I do about Lidar / navigation error?

For Lidar / navigation error, start with Clean the recharge sensor or Turn the robot off and on to reset the sensor.

How do I fix Error 42 — maintenance brush jammed on iRobot Roomba i4?

The typical fix for Error 42 — maintenance brush jammed is Clear the maintenance brush or If the brush is worn, replace it with a genuine one.

Is there a filter for iRobot Roomba i4?

A compatible filter is the iRobot Roomba j5 Combo Filter, and it is easy to source.

Which part fits iRobot Roomba i4?

IRobot Roomba i4 uses the iRobot Roomba j5 Combo Left side brush, which is listed in our parts database.

What part does iRobot Roomba i4 use?

You will need the iRobot Roomba j5 Combo Right side brush, available as a replacement part.

Is there a part for iRobot Roomba i4?

IRobot Roomba i4 uses the iRobot j5 Combo Main Brush Roller, which is listed in our parts database.

Which part fits iRobot Roomba i4?

A compatible part is the iRobot Roomba j5 Combo Side brush set, and it is easy to source.

What filter does iRobot Roomba i4 use?

IRobot Roomba i4 uses the iRobot Roomba i3 Filter, available as a replacement part.

Is there a part for iRobot Roomba i4?

You will need the iRobot Roomba i3 Left side brush, which is listed in our parts database.

Which part fits iRobot Roomba i4?

A compatible part is the iRobot Roomba i3 Right side brush, and it is easy to source.

What part does iRobot Roomba i4 use?

IRobot Roomba i4 uses the iRobot i3 Main Brush Roller, available as a replacement part.

Which part fits iRobot Roomba i4?

A compatible part is the iRobot Roomba i3 Side brush set, which is listed in our parts database.

Is there a filter for iRobot Roomba i4?

You will need the iRobot Roomba i3+ Filter, and it is easy to source.

Which part fits iRobot Roomba i4?

A compatible part is the iRobot Roomba i3+ Left side brush, available as a replacement part.

What part does iRobot Roomba i4 use?

IRobot Roomba i4 uses the iRobot Roomba i3+ Right side brush, which is listed in our parts database.

Is there a part for iRobot Roomba i4?

A compatible part is the iRobot i3+ Main Brush Roller, available as a replacement part.

Which part fits iRobot Roomba i4?

You will need the iRobot Roomba i3+ Side brush set, and it is easy to source.

What filter does iRobot Roomba i4 use?

A compatible filter is the iRobot Roomba i4 Filter, which is listed in our parts database.

Is there a part for iRobot Roomba i4?

IRobot Roomba i4 uses the iRobot Roomba i4 Left side brush, available as a replacement part.

What part does iRobot Roomba i4 use?

You will need the iRobot Roomba i4 Right side brush, and it is easy to source.

Which part fits iRobot Roomba i4?

A compatible part is the iRobot i4 Main Brush Roller, which is listed in our parts database.

What part does iRobot Roomba i4 use?

IRobot Roomba i4 uses the iRobot Roomba i4 Brush guard, available as a replacement part.

Is there a part for iRobot Roomba i4?

You will need the iRobot Roomba i4 Side brush set, and it is easy to source.

Which accessory fits iRobot Roomba i4?

IRobot Roomba i4 uses the iRobot Roomba i4 Cable organizer, which is listed in our parts database.

What accessory does iRobot Roomba i4 use?

A compatible accessory is the iRobot Roomba i4 Cleaning tool, available as a replacement part.

Which accessory fits iRobot Roomba i4?

IRobot Roomba i4 uses the iRobot Roomba i4 Charging cable, which is listed in our parts database.

Is there a part for iRobot Roomba i4?

You will need the iRobot Roomba i4 Remote control, and it is easy to source.

What consumable does iRobot Roomba i4 use?

A compatible consumable is the iRobot i4 Floor Cleaning Solution, which is listed in our parts database.

Which filter fits iRobot Roomba i4?

IRobot Roomba i4 uses the iRobot Roomba i5 Filter, available as a replacement part.

What part does iRobot Roomba i4 use?

You will need the iRobot Roomba i5 Left side brush, and it is easy to source.

Is there a part for iRobot Roomba i4?

A compatible part is the iRobot Roomba i5 Right side brush, which is listed in our parts database.

Which part fits iRobot Roomba i4?

IRobot Roomba i4 uses the iRobot i5 Main Brush Roller, available as a replacement part.

What part does iRobot Roomba i4 use?

You will need the iRobot Roomba i5 Side brush set, and it is easy to source.

Which filter fits iRobot Roomba i4?

IRobot Roomba i4 uses the iRobot Roomba i6+ Filter, which is listed in our parts database.

Is there a part for iRobot Roomba i4?

A compatible part is the iRobot Roomba i6+ Left side brush, available as a replacement part.

What part does iRobot Roomba i4 use?

You will need the iRobot Roomba i6+ Right side brush, which is listed in our parts database.

Which part fits iRobot Roomba i4?

IRobot Roomba i4 uses the iRobot i6+ Main Brush Roller, and it is easy to source.

What part does iRobot Roomba i4 use?

A compatible part is the iRobot Roomba i6+ Side brush set, available as a replacement part.

Is there a filter for iRobot Roomba i4?

You will need the iRobot Roomba 694 Filter, which is listed in our parts database.

What part does iRobot Roomba i4 use?

IRobot Roomba i4 uses the iRobot Roomba 694 Left side brush, and it is easy to source.

Which part fits iRobot Roomba i4?

A compatible part is the iRobot Roomba 694 Right side brush, available as a replacement part.

What part does iRobot Roomba i4 use?

You will need the iRobot 694 Main Brush Roller, which is listed in our parts database.

Is there a part for iRobot Roomba i4?

IRobot Roomba i4 uses the iRobot Roomba 694 Side brush set, and it is easy to source.

Which filter fits iRobot Roomba i4?

You will need the iRobot Roomba 675 Filter, which is listed in our parts database.

What part does iRobot Roomba i4 use?

A compatible part is the iRobot Roomba 675 Left side brush, available as a replacement part.

Is there a part for iRobot Roomba i4?

You will need the iRobot Roomba 675 Right side brush, and it is easy to source.

Which part fits iRobot Roomba i4?

IRobot Roomba i4 uses the iRobot 675 Main Brush Roller, which is listed in our parts database.

What part does iRobot Roomba i4 use?

You will need the iRobot Roomba 675 Side brush set, available as a replacement part.

Is there a filter for iRobot Roomba i4?

A compatible filter is the iRobot Roomba 614 Filter, and it is easy to source.

Which part fits iRobot Roomba i4?

IRobot Roomba i4 uses the iRobot Roomba 614 Left side brush, available as a replacement part.

What part does iRobot Roomba i4 use?

You will need the iRobot Roomba 614 Right side brush, which is listed in our parts database.

Is there a part for iRobot Roomba i4?

IRobot Roomba i4 uses the iRobot 614 Main Brush Roller, and it is easy to source.

Which part fits iRobot Roomba i4?

A compatible part is the iRobot Roomba 614 Side brush set, available as a replacement part.

What filter does iRobot Roomba i4 use?

IRobot Roomba i4 uses the iRobot Roomba 692 Filter, which is listed in our parts database.

Is there a part for iRobot Roomba i4?

You will need the iRobot Roomba 692 Left side brush, and it is easy to source.

Which part fits iRobot Roomba i4?

A compatible part is the iRobot Roomba 692 Right side brush, which is listed in our parts database.

What part does iRobot Roomba i4 use?

IRobot Roomba i4 uses the iRobot 692 Main Brush Roller, available as a replacement part.

Which part fits iRobot Roomba i4?

You will need the iRobot Roomba 692 Side brush set, which is listed in our parts database.

Is there a filter for iRobot Roomba i4?

A compatible filter is the iRobot Roomba e5 Filter, and it is easy to source.

What part does iRobot Roomba i4 use?

IRobot Roomba i4 uses the iRobot Roomba e5 Left side brush, available as a replacement part.

Which part fits iRobot Roomba i4?

You will need the iRobot Roomba e5 Right side brush, which is listed in our parts database.

What part does iRobot Roomba i4 use?

IRobot Roomba i4 uses the iRobot e5 Main Brush Roller, available as a replacement part.

Is there a part for iRobot Roomba i4?

A compatible part is the iRobot Roomba e5 Side brush set, and it is easy to source.

What filter does iRobot Roomba i4 use?

You will need the iRobot Roomba e6 Filter, available as a replacement part.

Which part fits iRobot Roomba i4?

IRobot Roomba i4 uses the iRobot Roomba e6 Left side brush, which is listed in our parts database.

Is there a part for iRobot Roomba i4?

You will need the iRobot Roomba e6 Right side brush, available as a replacement part.

What part does iRobot Roomba i4 use?

A compatible part is the iRobot e6 Main Brush Roller, and it is easy to source.

Which part fits iRobot Roomba i4?

IRobot Roomba i4 uses the iRobot Roomba e6 Side brush set, available as a replacement part.

Is there a battery for iRobot Roomba i4?

You will need the iRobot i4 Replacement Battery, which is listed in our parts database.

Which filter fits iRobot Roomba i4?

A compatible filter is the iRobot i4 HEPA Filter, available as a replacement part.

What part does iRobot Roomba i4 use?

IRobot Roomba i4 uses the iRobot i4 Side Brush, and it is easy to source.

Which part fits iRobot Roomba i4?

You will need the iRobot i4 Mop Pad, available as a replacement part.

Is there a consumable for iRobot Roomba i4?

A compatible consumable is the iRobot i4 Dust Bag, which is listed in our parts database.

What filter does iRobot Roomba i4 use?

IRobot Roomba i4 uses the iRobot i4 Water Tank Filter, and it is easy to source.

Which filter fits iRobot Roomba i4?

You will need the iRobot i4 Dock Filter, available as a replacement part.

How much Suction power does iRobot Roomba i4 have?

IRobot Roomba i4 has a Suction power of 2350 Pa.

What Navigation should I expect?

Expect a Navigation of Gyro.

What is the Dock type of iRobot Roomba i4?

Its Dock type is Standard.

How much Battery does iRobot Roomba i4 have?

Expect a Battery of 2500 mAh.

What Dustbin should I expect?

IRobot Roomba i4 has a Dustbin of 350 ml.

What is the Water tank of iRobot Roomba i4?

Its Water tank is 0 ml.

How much Mopping does iRobot Roomba i4 have?

Expect a Mopping of false.

What Self-emptying should I expect?

IRobot Roomba i4 has a Self-emptying of false.

What is the Mop washing of iRobot Roomba i4?

Its Mop washing is false.

What Hot air drying should I expect?

Expect a Hot air drying of false.

The bottom line

All things considered, iRobot Roomba i4 is a solid machine that most owners are happy with. If you are upgrading or buying new, iRobot Roomba i4 deserves a spot on your shortlist. Keep this guide handy for maintenance and repairs down the road. In summary, iRobot Roomba i4 is a reliable and capable Robot Vacuums. It does the basics well, lasts, and is simple to look after. If you are still weighing it up, the information above covers all the bases. For nearly everyone, iRobot Roomba i4 is a choice that pays off.