Aerated Compost Systems

For Every Type of Organic Waste; for Every Scale of Operation; And For Every Budget

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All of our composting systems are designed to be simple to operate, with a focus on “chore efficiency”.
With aerated composting, turning the pile is unnecessary; in fact, turning the pile impedes the composting process.

All of our composting systems convert raw organic residuals into stable compost in roughly 60 days, yielding a nutrient-rich product that is effectively free of pathogens, parasites and weed seeds. In addition, our composting systems mitigate impacts to surface and ground water resources, significantly reduce vectors (i.e., flies, birds, rodents and larger wildlife), and eliminate offensive odors.

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Featured Project

Sonoma Valley Stables

Petaluma, CA

This ASP compost system uses a 4-pipe system to process the manure and bedding produced in one month from 40 horses on wood pellet bedding. While one pile is "cooking", an adjoining pile is being constructed and at the end of the month the blower is simply moved over and the process is repeated. ...

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Featured Project

Right Lead Farm LLC

Trout Lake, WA

Allyson B. owns two horses and boards six more. In her words, "that's a lot of manure". After boarding her horses at many show barns and experiencing the hard work of a poor manure disposal system, she was "keen to follow Peter's prescription for success". She tested our smallest Micro-Bin System...

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Featured Project

Taylor Farm LLC

New Hartford, CT

After following O2Compost's website for many years, Lynn T. "took the plunge" and changed the way she was handling the manure and bedding waste from her 23 retired horses. Before constructing her Cornerstone Compost System, Lynn used a manure dumpster and was unhappy with its environmental affect...

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Featured Project

Simmons Road Farm

Edmonds, OK

Beverly and Kent K. purchased their cornerstone compost system in 2008 and constructed a four-bin composter using masonry block with a sliding lid. They compost the manure from their three horses, filling each bin in about a month’s time. While they use some of the compost on their pastures...

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Featured Project

Far Cry Farm

Harrodsburg, KY

Karen H. installed the O2Compost Benchmark System because "we had a big pile of poop that was unsightly and bred flies." Her system composts manure and cardboard bedding from five horses. The finished compost is spread on the pasture and used in the garden beds. Karen recommends building enough b...

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See what this equine owner has to say about her O2 compost system:

Compost 101

Take action toward establishing sustainable business practices, to benefit urban and agrarian communities worldwide.

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Our Global Growth: ASP Composting Systems in 29 Countries & 49 States

Monday, July 7, 2025

Turning Organic Waste into a Valuable Natural Resource At O2Compost, our mission has always been clear: teach the art and science of aerated composting, and to empower individuals and organiza...

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We will contact you to schedule a time to talk about your specific needs and to answer all of your questions about composting. We look forward to hearing from you!

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