The Dyson V15 Detect Plus Cordless Vacuum is currently $599 at Amazon, down from $749 — and with its laser dust detection, intelligent suction adjustment, and genuinely useful LCD screen that tracks your cleaning progress, it's one of the most impressive cordless vacuums on the market.

The iRobot Roomba Combo 2 features a four-stage cleaning system and can hold up to 60 days of dirt in its self-enclosed bag, now available for just $235.

I tested the Dyson 360 Vis Nav, a robovac, and the Roomba 205, a combo robot vacuum/mop, both of which lack a self-emptying tower. Here's what I learned when I tested them both.

The AutoWash dock is a revolutionizer and offers up to 75 days of self-emptying and four weeks of mopping and pad washing with zero involvement. The dock is continuously rinsing and drying the mop pads so you receive a sanitary clean, day after day. This way, you can enjoy a spick-and-span home for weeks at a stretch without lifting a finger.

Dyson, Keurig, Roomba and more Prime Day home deals. Story by Kevin Luna • 4mo. ... We’ve spotted discounts on brands you love, including Dyson, Shark and Bissell, ...

As for its mopping function: You should swap out its dustbin tank for a water-filled one and it’ll gyrate its scrub pad against hard surfaces. There’s three options for mopping levels, and when you’re all done, you can toss the scrub pad into the washer to keep it clean.