Which is better for pet stains?

The 3588F. Its CleanShot pretreater with OXY and FreshStart tank target stains and odors more directly. The 35799 relies on its Pet Stain Tool and standard cleaning pass.

Is the 3588F worth about $59 more?

Yes if you clean carpets often. Express Clean's 30-minute dry time and the pretreater save time on repeat pet messes. If you clean rarely, the 35799 covers the basics for less.

Do they have the same suction?

BISSELL lists the same TurboStrength motor claims for both: 40% stronger suction and 50% quieter. The 3588F adds modes and tools on top of that.

Which dries carpet faster?

The 3588F, at about 30 minutes in Express Clean mode. The 35799 has no express mode, so expect a longer dry time.

Both are corded uprights with similar motors and 17.5 lb builds. The 3588F's removable brush cover makes maintenance easier, which helps longevity. No published lifespan figures exist for either.

Can either clean upholstery?

Yes. Both include a hose and tools for stairs and upholstery. The 3588F ships with two tools and trial-size formula.

BISSELL ProHeat 2X Revolution Pet Pro Plus Upright Deep Cleaner 3588F vs BISSELL ProHeat 2X Revolution Pet Upright Deep Cleaner 35799

Both are BISSELL ProHeat 2X Revolution Pet uprights, and the 3588F is the newer, better-equipped version. It adds a CleanShot pretreater, three cleaning modes including Express Clean (about 30 minutes dry time), a FreshStart dirt tank, and a one-piece removable brush cover. At $237.97 at Amazon as of November 4, 2026, it costs about $59 more than the 35799 at $179.00 at eBay as of November 4, 2026. Buy the 3588F for heavy pet messes and faster drying; buy the 35799 if you want the same core suction and motor for less.

Today the BISSELL ProHeat 2X Revolution Pet Upright Deep Cleaner 35799 costs $58.97 less at its best price.

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