Best Compost Bins
Top compost bins ranked by transparent trust scores.
8 products ranked
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Top Pick
9.4
Excellent
FCMP Outdoor IM4000 Dual-Chamber Tumbling Composter
Ranked #1 based on expert reviews, user sentiment, and value analysis.
#1
9.4
Excellent
Consensus
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Ranked #1 based on expert reviews, user sentiment, and value analysis.
Pros
- Dual chambers for continuous composting
- Dual chambers for continuous composting
- Tumbling design is easy to turn
Cons
- 37-gallon capacity fills fast
- 37-gallon capacity fills fast
- Door latches can be stiff
Don't buy this if…
- Do not overfill either chamber past 75% capacity or the tumbler will become too heavy to rotate.
- Do not overfill either chamber past 75% capacity or the tumbler will become too heavy to rotate.
#2
9.2
Excellent
Consensus
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Ranked #2 based on expert reviews, user sentiment, and value analysis.
Pros
- Insulated for year-round composting
- Insulated for year-round composting
- Large 70-gallon capacity
Cons
- Expensive for a composter
- Expensive for a composter
- Very heavy when loaded
Don't buy this if…
- The filled tumbler can weigh over 200 lbs and the stand must be on level ground to prevent tipping.
- The filled tumbler can weigh over 200 lbs and the stand must be on level ground to prevent tipping.
#3
9.0
Excellent
Consensus
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Ranked #3 based on expert reviews, user sentiment, and value analysis.
Pros
- Massive 216-gallon capacity
- Massive 216-gallon capacity
- Adjustable diameter
Cons
- No lid attracts pests
- No lid attracts pests
- Requires manual turning with a fork
Don't buy this if…
- The open-top design will attract raccoons, rats, and other pests if meat, dairy, or cooked food is added.
- The open-top design will attract raccoons, rats, and other pests if meat, dairy, or cooked food is added.
#4
8.7
Excellent
Consensus
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Ranked #4 based on expert reviews, user sentiment, and value analysis.
Pros
- Produces premium vermicompost
- Produces premium vermicompost
- Compact enough for indoors
Cons
- Requires purchasing live worms
- Requires purchasing live worms
- Can attract fruit flies indoors
Don't buy this if…
- Worms are sold separately and the bin must be kept between 55-80°F or the worms will die from temperature extremes.
- Worms are sold separately and the bin must be kept between 55-80°F or the worms will die from temperature extremes.
#5
8.5
Excellent
Consensus
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Ranked #5 based on expert reviews, user sentiment, and value analysis.
Pros
- Processes food waste in 4-8 hours
- Processes food waste in 4-8 hours
- Odor-free indoor operation
Cons
- Expensive for a food processor
- Expensive for a food processor
- Uses electricity each cycle
Don't buy this if…
- The output is technically dehydrated food waste not true compost and should be mixed into soil rather than applied directly to plant roots.
- The output is technically dehydrated food waste not true compost and should be mixed into soil rather than applied directly to plant roots.
#6
8.3
Good
Consensus
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Ranked #6 based on expert reviews, user sentiment, and value analysis.
Pros
- Processes meat and dairy safely
- Processes meat and dairy safely
- Handles bioplastics
Cons
- Very expensive
- Very expensive
- LomiPod additives are ongoing cost
Don't buy this if…
- The recommended LomiPod additives cost approximately $40 per 45-pack and are needed for optimal results in Grow mode.
- The recommended LomiPod additives cost approximately $40 per 45-pack and are needed for optimal results in Grow mode.
#7
8.1
Good
Consensus
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Ranked #7 based on expert reviews, user sentiment, and value analysis.
Pros
- No turning required with aeration lung
- No turning required with aeration lung
- Insulated for faster decomposition
Cons
- Large footprint in the garden
- Large footprint in the garden
- Plastic can warp in extreme heat
Don't buy this if…
- The aeration lung core must remain unblocked or the composter will go anaerobic and produce foul odors.
- The aeration lung core must remain unblocked or the composter will go anaerobic and produce foul odors.
#8
7.9
Good
Consensus
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Ranked #8 based on expert reviews, user sentiment, and value analysis.
Pros
- Very affordable for dual-chamber
- Very affordable for dual-chamber
- UV-resistant barrel
Cons
- Assembly instructions unclear
- Assembly instructions unclear
- Smaller capacity per chamber
Don't buy this if…
- The assembly process involves many small parts and typically takes 1-2 hours with a second person recommended.
- The assembly process involves many small parts and typically takes 1-2 hours with a second person recommended.
Quick Comparison
How We Rank
Composite trust score from expert reviews, user sentiment, complaint analysis, and value assessment.
Trust Score
Weighted composite of all factor scores
Expert Score
Aggregated expert review ratings
User Sentiment
Community votes and review analysis
Value Score
Price-to-performance ratio
Freshness
Recency of reviews and data
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