Frequently Asked Questions
How much does the Roomba i3 cost?
The Roomba i3 is recommended at around $250 to $300, which sits between entry-level and high-end models.
Is the Roomba i3 good for pet hair?
Yes, it has dual multi-surface rubber brushes that are good for pet hair and avoid tangles, plus a high-efficiency filter that catches pet hair and dust.
Does the Roomba i3 have smart mapping?
Yes, it has Imprint Smart Mapping that learns your floor plan and lets you tell it to clean specific rooms, like only the kitchen or living room.
How long does the battery last on the Roomba i3?
The lithium-ion battery runs about 75 minutes on hard floors and a bit less on carpet.
Why Are There So Many Roombas? Let Me Save You the Research
I love my kids. I love my dogs. I do not love stepping on a Goldfish cracker that’s been ground into the rug by someone’s sneaker. So, like any sane dad, I looked into robot vacuums. And that’s when I hit the problem: there are about ten thousand different Roombas. Seriously, i1, i3, j7, s9, 600 series, 900 series — it’s like iRobot expects you to have a PhD in model numbers before you buy. Sparkles saw me scrolling through the iRobot site and said, “Dad, just pick one that doesn’t eat my Legos.” She’s seven. She gets it. So let me cut through the noise and tell you which Roomba is the one you actually want if you’re a normal family on a mid budget looking for your first robot vacuum.
Key Specs & Features of the Roomba i3 (the One You Want)
The model I’m recommending is the Roomba i3. Not the i3+ (that’s the self-emptying version, which is great but costs more), just the plain i3. Here’s what you’re getting for around $250–$300:
- Three-stage cleaning system with Power-Lifting Suction
- Prefilter and high-efficiency filter (catches pet hair and dust)
- Li-Ion battery that runs about 75 minutes on hard floors, a bit less on carpet
- Imprint Smart Mapping – it learns your floor plan and lets you tell it to clean specific rooms
- Works with Alexa and Google Assistant
- Self-charging and resumes cleaning after recharging
- Edge-sweeping brush and dual multi-surface rubber brushes (good for pet hair and avoid tangles)
The i3 sits in that sweet spot between the entry-level 600 series (which just bump around randomly) and the expensive s9 (which costs more than a decent used car). It’s the Roomba that actually navigates, doesn’t get stuck under the couch every time, and has enough suction to make a difference on our living room rug after the dog’s been shedding.
Who Is the Roomba i3 Actually For?
This robot vacuum is for the parent who is tired of sweeping and vacuuming every single day but doesn’t want to drop $800 on the flagship model. It’s for first-time robot vacuum buyers who want something that works without a lot of babysitting. It’s also for pet owners – the rubber brushes are way easier to clean than bristle brushes. And it’s for anyone with a house that’s not a museum – meaning it handles crumbs, dust, and the occasional cheerio. Sparkles once dropped a whole container of sprinkles on the kitchen floor (don’t ask). The i3 went over it twice and got all but the ones wedged under the baseboard. I’m not complaining.
One thing: if your home is mostly wall-to-wall carpet, especially high-pile, the i3 will do okay but it’s not a deep cleaner. For that you still need a canister vac or a upright. But for daily maintenance – keeping the floors from feeling like a sandbox – it’s perfect.
What Works (the Pros)
- Smart Mapping is a game changer. After a few cleaning runs, the i3 builds a map of your floor plan. You can then tell it to clean only the kitchen or only the living room. No more chasing it around with a remote control.
- Rubber brushes don’t tangle. I’ve owned Roombas with bristle brushes. Those were a nightmare when you have a lab mix. The rubber rollers on the i3 barely pick up any hair. A quick trim with scissors every couple weeks and you’re good.
- Suction power that actually picks up. It’s not as strong as a full-size upright, but it’s noticeably better than the cheaper 600 series. On our low-pile carpet, it grabs enough dust to fill the bin after one living room run.
- The app is simple. Set schedules, start cleaning from the couch, and get notifications when it’s done. Even my wife, who hates new gadgets, uses it.
What Doesn’t Work (the Cons)
- No self-emptying base included. The i3+ version has a clean base that automatically empties the dustbin. The standard i3 does not. That means you have to empty the bin every one or two runs – especially if you have pets. It’s not a huge chore, but it’s something to know.
- Battery life is just okay. 75 minutes is enough for most of my main floor (about 900 square feet), but if your home is larger, it will need to recharge mid‑clean and then resume. That takes time.
- It’s not great on thick carpets. On our high-pile area rug, it tends to bog down a little and doesn’t pick up as deeply. For low-pile and hard floors, it’s fine.
- The dustbin is small. If you have a shedding dog and two kids, you’ll empty the bin after every run. Not a dealbreaker, but worth mentioning.
The Verdict: Which Roomba Should You Buy?
Here’s the honest truth: If you’re looking for your first robot vacuum and your budget is around $250–$300, get the Roomba i3. Do not get the 600 series – it’s too dumb. Do not get the s9 – it’s too expensive. The i3 has the navigation, suction, and smart features that actually make a difference in a chaotic home. Yes, you have to empty the bin yourself, but that’s a two-second job. And yes, it’s not a carpet deep-cleaner, but neither is any robot vacuum at this price point.
For a family like mine – with a kid who drops food, a dog that sheds, and a dad who doesn’t want to spend his evenings sweeping – the Roomba i3 is the right choice. It keeps the floors presentable, it doesn’t get stuck under the couch every day, and it’s simple enough that Sparkles can even press the button (she calls it “the circle thing”). If you can swing the extra cash for the i3+ with the self-emptying base, I’d say go for it – it’s a huge quality-of-life upgrade. But if you’re on a mid budget, the standard i3 is the one you actually want. Trust me, I’ve been there.