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Portable Composting Toilet
Living off-grid, traveling in an RV or camper van, or enjoying the tiny house world is awesome—but figuring out what to do with human waste without regular flush toilets or a septic system can be tricky. That’s where the portable composting toilet comes in.
These clever systems are clean, easy to use, and much better for the environment. They're also incredibly helpful when you're on the move or setting up in a remote location. Compared to chemical toilets or always trying to find public toilets, they’re a game-changing solution.
Why Choose a Portable Composting Toilet
A composting portable toilet helps you stay self-sufficient wherever you are. Unlike traditional toilets, these systems need no flushing water or septic hookup. They naturally break down waste through composting, using airflow and separation to control odor. The result? A sanitary, efficient, and low-maintenance solution perfect for cabins, RVs, vans, and remote setups.
Choose the Best Composting Portable Toilet
Nature’s Head Composting Toilet
- Dimensions: 19" x 19" x 20"
- Weight: 23–28 lbs
- Capacity: 60–80 uses (2–3 people for 3–5 weeks)
- Material: Molded granite shell with stainless components
- Features: Liquid/solid separation, robust build, hand crank agitator
- Benefits: Lightweight, odor-free, durable, and ideal for RVs, boats, and tiny homes
Sun-Mar Excel Composting Toilet (Electric)
- Dimensions: 19.6″ L × 15.7″ W × 18.5″ H
- Weight: ~19 lbs
- Capacity: Solids 2.6 gal, Liquids 2 gal
- Features: 12V fan (1.6 W), separate containers for waste
- Benefits: Ultra-compact, odor-free, and perfect for van life or small cabins
Sun-Mar Spacesaver Composting Toilet
- Compact, self-contained design for small spaces
- Fan and vent system for odor-free use
- Benefits: Great for smaller cabins, cottages, and homes needing off-grid convenience
Sun-Mar Excel NE (Non-Electric) Composting Toilet
- Capacity: 2 adults full-time or 5 adults part-time
- Features: Non-electric, uses vent stack for natural airflow
- Benefits: True off-grid use, no power needed, reliable and efficient
Sun-Mar Compact Composting Toilet
- Compact version of the Excel
- Self-contained, with integrated fan and drum
- Benefits: Smaller footprint for cottages, RVs, and tiny homes
Green Toilet 100 Easy with Spare Container
- Dimensions: 19.5″ H × 23.2″ W × 28.7″ D
- Weight: ~20 lbs
- Capacity: 3–5 people part-time, 1–2 people full-time
- Features: Batch system with two compost containers
- Benefits: Easy to swap, compact, lightweight, and continuous-use friendly
Tiny Pod Composting Toilet
- Dimensions: 20.5″ L × 13.8″ W × 19.3″ H
- Includes: Two 11.5-gallon containers, 12V fan, vent cowl, drain hose
- Capacity: 1–2 users full- or part-time
- Benefits: Small footprint, simple setup, ideal for tiny homes and vans
Separett Tiny Urine-Diverting Toilet
- Dimensions: 19.6″ L × 15.7″ W × 18.5″ H
- Weight: ~19 lbs
- Capacity: Solids 2.6 gal, Liquids 2 gal
- Features: 12V fan (1.6 W), separate containers for waste
- Benefits: Ultra-compact, odor-free, and perfect for van life or small cabins
OZ-e Pod Composting Toilet
- Lightweight pod-style build
- Simple and compact design for mobility
- Benefits: Ideal for portable setups, easy to transport, and install anywhere
Sun-Mar GTG Urine Diverting Composting Toilet
- Dimensions: 19.8″ H × 15.75″ W × 24″ D
- Weight: ~25 lbs
- Chambers: Solids ~6 gal, Liquids ~1.85 gal
- Features: Urine-diverting design, 12V fan for odor control
- Benefits: Compact, lightweight, easy to install, and power-efficient
Waste Made Easier with Portable Composting Toilets
- No Water Needed: Save gallons daily
- No Plumbing or Septic Hookup: Setup anywhere
- Eco-Friendly: Converts waste into compost
- Odor-Free Airflow: Keeps your space fresh
- Lightweight and Portable: Easy to relocate anytime
Easy, Effortless Maintenance
Emptying a portable composting toilet is quick and sanitary. Most models separate solids and liquids for easier handling. Remove the compost bin, dispose or compost the material, and you’re ready to go again within minutes.
Frequently Asked Questions
How does a portable compost toilet work?
A portable compost toilet separates liquid and solid waste, allowing solids to compost naturally using oxygen and airflow.
How smelly are composting toilets?
With proper ventilation, composting toilets are nearly odor-free since air circulation prevents buildup.
How do you empty a composting toilet?
To empty a composting toilet, remove the compost bin or bucket, empty it into a compost pile or waste bag, and replace it—it’s simple.
Can I put toilet paper in a composting toilet?
Yes, use regular or biodegradable toilet paper—just avoid thick or scented kinds for faster composting.