Well yes, one has to address that issue in off grid living. Fortunately, we’ve been using a composting toilet with great results!
Both #1 and #2 end up in a compost tumbler outside where they decompose for 12 months. At that point all the bacteria is gone and we spread the compost on ornamental trees (not edible plants). No smell, no bugs, no problems!
This toilet is vented using a tiny 12 volts computer fan that sits under the toilet. We also use a urine separator to eliminate any odors.
This toilet was designed after the Nature’s Head, but it cost $200 instead of $1000. I used the urine separator from Free Range designs and it is really well made.
Here’s how it’s built: