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

North Wind Farm

Caledonia, WI

In a move to become more environmentally friendly, Melita B. and her husband built this Micro-Bin system to manage the manure and pine pellet bedding from their four "amazingly wonderful mares". The finished compost will be used in her vegetable garden and as stall bedding. The O2 Compost system ...

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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

Small Horse Farm

Bend, OR

Gary B. and his wife Beth constructed an O2Compost Benchmark System to manage the manure generated by two horses and assorted chickens. Their system includes three small aerated bins, a storage room, and an indoor/outdoor chicken pen. It is a perfect example of a multi-use, detached farm structur...

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Featured Project

Wilson Training and Bloodstock

Sorrento, FL

Mickey B.'s property tenant (Wilson Training and Bloodstock) has 40-45 Arabian horses on site. The high cost of manure removal, the unsightly dumpster, and the environmental impact on the property prompted Mickey to install an O2Compost Aerated Bay system.

"We have been so impressed with ...

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Featured Project

Edgewood Farm

Campbellville, Ontario

Paul G. and Leslie L. have 14 horses on wood pellet bedding. Their decision to construct an O2Compost Cornerstone System has met their need to reduce manure waste to a manageable level. The finished product is spread on their paddocks and fields, and also used on a neighbor's corn plot area. ...

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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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