Main trade-off
BISSELL Little Green HydroSteam
At about 13 pounds, it is noticeably heavier than the Little Green Mini.
Head-to-head
Little Green HydroSteam vs Max Pet SmartMix: Max lightens quick-spill prep, HydroSteam adds fabric-dependent steam jobs
The short answer
Choose HydroSteam for fabric-compatible steam modes and a larger tank. Max Pet SmartMix suits quick spills where lighter carrying and automatic dosing matter.
Before you choose
The reasoning and the trade-offs
Compare tank capacity in the same units
Little Green HydroSteam holds 0.5 US gallon of clean liquid and Little Green Max Pet SmartMix 0.25. The difference is 32 fluid ounces before considering recovery-tank limits.
What this is based on
128 US fluid ounces =1 US gallon. Recorded capacities 64 and 32 fl oz. This normalizes tank volume without predicting cleaning coverage.
Main trade-off
BISSELL Little Green Max Pet SmartMix
The 32-ounce tanks are sized for spot work rather than a large sectional.
BISSELL Little Green HydroSteam
- Choose it for
- Need the documented steam modes
- Clean a larger upholstery job
- Main trade-off
- At about 13 pounds, it is noticeably heavier than the Little Green Mini.
BISSELL Little Green Max Pet SmartMix
- Choose it for
- Carry the cleaner for frequent small spills
- Prefer automatic formula dosing
- Main trade-off
- The 32-ounce tanks are sized for spot work rather than a large sectional.
About this comparison
Choose HydroSteam for fabric-compatible steam modes and a larger tank. Max Pet SmartMix suits quick spills where lighter carrying and automatic dosing matter.
HydroSteam brings more capacity and another cleaning mode
Winner by situation
Start with what you need it to do
Need the documented steam modes
The 3618 has a 64-ounce clean tank and SteamWash, Wash and Steam modes. Fabric care instructions still determine whether heat and water are appropriate.
- BISSELL Little Green HydroSteam
- Better fit
- BISSELL Little Green Max Pet SmartMix
- Not suitable
Carry the cleaner for frequent small spills
The 38572 weighs about 8.2 pounds and meters formula automatically. Its 32-ounce clean tank works well for short spot jobs but requires more refills on a large sectional.
- BISSELL Little Green HydroSteam
- Depends
- BISSELL Little Green Max Pet SmartMix
- Better fit
Check the complete setup
Check upholstery labels, adhesives and finishes before choosing steam. A steam-capable machine does not make every fabric safe to heat or saturate.
- BISSELL Little Green HydroSteam
- Depends
- BISSELL Little Green Max Pet SmartMix
- Depends
SmartMix saves about 37% of the empty carrying weight
At 8.2 versus 13 pounds, Max SmartMix removes 4.8 pounds, while HydroSteam offers twice the nominal clean-tank capacity.
- BISSELL Little Green HydroSteam
- Depends
- BISSELL Little Green Max Pet SmartMix
- Depends
What matters in practice
The differences that matter
Compare tank capacity in the same units
Little Green HydroSteam holds 0.5 US gallon of clean liquid and Little Green Max Pet SmartMix 0.25. The difference is 32 fluid ounces before considering recovery-tank limits.
How we reached this conclusion
128 US fluid ounces =1 US gallon. Recorded capacities 64 and 32 fl oz. This normalizes tank volume without predicting cleaning coverage.
Account for the water before lifting
A full clean tank adds roughly 4.17 pounds of water-equivalent weight to Little Green HydroSteam and 2.08 pounds to Little Green Max Pet SmartMix. Move and fill according to the manual.
How we reached this conclusion
Approximate water mass = clean capacity in US gallons ×8.34 lb/gal. Inputs 64/128 and 32/128 gallons. Formula concentration, residual dirty water and tools change the actual total.
SmartMix saves about 37% of the empty carrying weight
At 8.2 versus 13 pounds, Max SmartMix removes 4.8 pounds, while HydroSteam offers twice the nominal clean-tank capacity.
How we reached this conclusion
13 - 8.2 = 4.8 lb. 4.8 / 13 × 100 = 36.9%. 64 / 32 = 2.
Choice A
BISSELL, 3618
Little Green HydroSteam
A portable extractor with steam, wash and steam-only modes for compatible surfaces.
- Best matched use
- Oily spots and varied upholstery jobs that benefit from steam
Checked facts
- The 3618 provides SteamWash, Wash and Steam modes.
- BISSELL lists a 64-ounce clean tank and a 51-ounce recovery tank.
- The machine weighs about 13 pounds and uses a roughly 4.8-foot hose.
Choice B
BISSELL, 38572
Little Green Max Pet SmartMix
A light portable that meters formula automatically and includes a self-cleaning stain tool.
- Best matched use
- Frequent small pet messes with less measuring and rinsing
Checked facts
- SmartMix meters water and formula during cleaning.
- BISSELL lists separate 32-ounce clean and dirty tanks and an 8.2-pound weight.
- The bundle includes a self-cleaning tough-stain tool and a pet hair removal tool.
Meaningful differences
What changes the fit
| What changes | BISSELL Little Green HydroSteam | BISSELL Little Green Max Pet SmartMix | Why it matters |
|---|---|---|---|
| Machine type | Portable spot cleaner | Portable spot cleaner | A spot cleaner is not an efficient replacement for a whole-room upright. |
| Nominal clean tank | 64 US fl oz | 32 US fl oz | Capacity is not a promise of area coverage. |
| Empty weight | 13 lb | 8.2 lb | Water, tools and solution add weight. |
| Hose | About 4.8 ft | Check exact listing | Check exact bundle contents and any conflicting model documentation. |
| Power cord | Check exact manual | Check exact manual | Outlet position affects usable reach. |
| Cleaning system | SteamWash, Wash and Steam modes | SmartMix automatic formula dosing | Features do not establish a matched-test cleaning winner. |
What you give up
Every choice has a cost
If you choose BISSELL Little Green HydroSteam
- Steam requires a fabric check and careful handling around finishes and adhesives.
If you choose BISSELL Little Green Max Pet SmartMix
- SmartMix convenience depends on using the compatible formula reservoir correctly.
What matters in practice
How to make the call
HydroSteam brings more capacity and another cleaning mode
The 3618 has a 64-ounce clean tank and SteamWash, Wash and Steam modes. Fabric care instructions still determine whether heat and water are appropriate.
SmartMix makes small jobs easier to handle
The 38572 weighs about 8.2 pounds and meters formula automatically. Its 32-ounce clean tank works well for short spot jobs but requires more refills on a large sectional.
Heat compatibility is a hard limit
Check upholstery labels, adhesives and finishes before choosing steam. A steam-capable machine does not make every fabric safe to heat or saturate.
What this comparison cannot tell you
- These conclusions use published specifications and the stated calculations. They are not a hands-on performance test.
What the facts say
What the comparison shows
Useful conclusions from the current carpet cleaners comparison, followed by the checked facts used to reach them.
Compared set
All 22 models remain in view on this guide. The answer comes from the facts and trade-offs shown on the page.
22 matching models from 22 checkedSee the checked facts and calculation notes
Match countNo matcher need is preselected here. Open the matcher to add the needs that apply to your home, room or setup.
| Product | Needs matched | Checked facts | Source records |
|---|---|---|---|
| BISSELL Little Green HydroSteam | No positive match recorded for these needs |
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| BISSELL Little Green Max Pet SmartMix | No positive match recorded for these needs |
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Ready to choose?
Check the price. Read the owner reviews.
Open either model on Amazon to check the current price, customer reviews and delivery options.
BISSELL Little Green HydroSteam
Need the documented steam modes
See price & reviews on AmazonBISSELL Little Green Max Pet SmartMix
Carry the cleaner for frequent small spills
See price & reviews on AmazonLinks open in a new tab.