Is a Rainbow Vacuum Really Worth It?
Worth it, if you already believe in the Rainbow system
Why regular vacuums just move the dust around
You've felt it: you run the vacuum, turn around, and there's still that grey haze hanging in the sunbeam by the window. The bag or the bin looks full enough, but the air in the room doesn't feel any cleaner. That's the itch that sends people digging through rainbow vacuum reviews at two in the morning, wondering if the machine their grandmother swore by is worth chasing down secondhand.
How the Rainbow E2's water filtration actually works
Here's what I'd want to know first: the Rainbow E2 doesn't use a bag or a standard filter at all, it uses water. You fill the canister's base with a few inches of water before you switch it on, and as air gets pulled through the machine, it's forced to bubble through that water on its way to the motor. Dust, dander, and fine debris get trapped in the water instead of riding along in a bag, and a cloth filter downstream catches whatever slips past. That's the whole trick: the exhaust air coming out the other end has already had its dirt washed out of it, so instead of stirring dust back into the room, the machine is quietly rinsing it. It's also why the wet and dry claim isn't marketing fluff, a machine already built around a water reservoir can pull up a spilled glass of juice without blinking. The 2-speed control matters more than it sounds. Low speed is gentle enough for curtains and upholstery, and high speed gives you the pull you actually need on carpet and rugs, so you're not stuck with one setting that's wrong for half your house. This unit being professionally restored means someone has already stripped it down, replaced the parts that wear, and tested the motor before it shipped to you, rather than you inheriting whatever condition a private resale would leave you guessing about. The tradeoff is that you're managing a water reservoir every time you clean, emptying and rinsing it, which is a different kind of maintenance than shaking out a bag.
So you're not really buying suction here, you're buying what happens to the dust after the machine catches it. A bag just holds dirt until you throw it away, this washes it out of the airstream on the spot. Whether that's worth it comes down to one honest question: do you want a vacuum, or do you want cleaner air behind it, because the water filtration is what you're actually paying for, not the motor.
Who the Rainbow E2 vacuum is for, and who should skip it
Worth it if
- you want dust trapped in water instead of recirculated through a bag
- you or someone in the house has allergies or asthma
- your home mixes carpet, rugs, and hard floors and you want real speed control
- you're fine with a corded canister instead of a cordless stick
- you trust the Rainbow name enough to buy it restored rather than new
Skip it if
- you want a lightweight, grab-and-go stick vacuum
- you need a manufacturer's new-unit warranty with zero mechanical unknowns
- a corded 7-foot hose and canister bulk sound like a hassle
- you're shopping purely on lowest price per vacuum
Not for anyone who wants zero maintenance between cleanings.
The Rainbow vacuum reviews verdict
If you already understand the Rainbow system, maybe from a parent's closet or a neighbor's recommendation, and you want that design at a lower price point than new, this is a quiet yes. If you just want an appliance that turns on, sucks up crumbs, and asks nothing else of you, a simpler bagless upright will make you happier for less money. The honest boundary here is the word restored: you're getting a professionally rebuilt machine, not a brand-new one with a brand-new warranty, and that's worth sitting with before you commit.
Picture the first time you fill that reservoir and watch the water go cloudy within a minute of vacuuming the living room, that's the dust that used to just get stirred back into your air. Day one is mostly curiosity: emptying and rinsing the basin, learning where the water line sits, getting used to a machine with real weight to it. Once that routine settles in, it stops feeling like an appliance and starts feeling like a small ritual you don't mind doing, because you can actually see what it caught.
Amazon shoppers rate it 4.3 out of 5 across 88 ratings. That is their number, not ours.
Before you go
What are the disadvantages of Rainbow vacuums?
They're heavy, corded, and built around a water reservoir you have to fill, empty, and rinse every time you clean, plus the price sits well above most bagless uprights.
Is a Rainbow Vacuum really worth it?
It's worth it if the water filtration mechanism itself appeals to you and you're comfortable buying a professionally restored unit, less so if you just want a simple, low-maintenance vacuum.
Is there a better vacuum than Rainbow?
For pure convenience, yes: modern bagless or cordless machines clean without a water reservoir to manage, but they don't replicate the same wash-the-air approach the Rainbow system is built on.
What is the lifespan of a Rainbow Vacuum?
Original Rainbow systems are known for running for decades with basic upkeep, though a restored unit's remaining lifespan depends on the quality of that specific refurbishment.
Want our verdicts to surface first when you search?
By the numbers
earn an unconditional yes at full priceOut of 234 kitchen products we have reviewed. This one is a yes with a condition attached.
Verdict datasetQuestion indexCC BY 4.0
Full spec sheet
| Other Special Features of the Product | Bagless |
|---|---|
| Filter Type | Cloth |
| Surface Recommendation | Carpet,Hard-floor |
| Maximum Suction | 80 feet |
| Recommended Uses For Product | Carpet, Hard-floor |
| Color | Black |
| Style Name | Canister |
| Number of Speeds | 2 |
Keep comparing
More kitchen reviews.
We also post kitchen verdicts on YouTube, Tumblr, Mastodon, Bluesky.