Best Tiny House Toilets (2026): 7 Options Compared
Living in a tiny house means making every square foot count—and choosing the right toilet is one of the most important decisions you’ll make. Whether you’re building an off-grid cabin, a full-time tiny home, or a weekend getaway, the right toilet can make daily life far more comfortable.
Today’s tiny house toilets are cleaner, more efficient, and easier to maintain than ever before. From composting toilets that require no water to portable cassette toilets and modern incinerating systems, there’s a solution for every budget and lifestyle.
In this guide, we’ve researched and compared the 7 best tiny house toilets available in 2026. We’ll look at the pros, cons, ideal use cases, and price ranges to help you choose the perfect option for your tiny house.
Whether you’re looking for a completely off-grid solution or simply want the most reliable toilet for your tiny home, you’ll find the right option below.
1. Nature’s Head Self-Contained Composting Toilet ⭐⭐⭐⭐⭐
1. Nature’s Head Self-Contained Composting Toilet ⭐⭐⭐⭐⭐
Best Overall Composting Toilet
The Nature’s Head Self-Contained Composting Toilet is one of the most trusted composting toilets for tiny houses, RVs, boats, and off-grid cabins. Its waterless design, excellent odor control, and proven reliability make it a favorite among full-time tiny house owners. Although it’s more expensive than many alternatives, its durability and low maintenance make it a worthwhile long-term investment.
Pros
Excellent odor control
No water required
Easy to empty and maintain
Durable construction
Ideal for off-grid living
Cons
Higher upfront cost
Requires a ventilation system
Uses coconut coir or peat moss
Best for: Full-time tiny house living and off-grid cabins
Price Range: $$$$
2. OGO Composting Toilet ⭐⭐⭐⭐☆
2. OGO Composting Toilet ⭐⭐⭐⭐☆
Best Modern Composting Toilet
The OGO Composting Toilet is a modern waterless toilet designed specifically for tiny houses, RVs, boats, and off-grid living. Unlike traditional composting toilets, it features an electric mixing system instead of a manual crank, making it easier and more convenient to use. Its compact design, odor control, and simple maintenance make it one of the most innovative composting toilets available today.
Pros
Electric mixing system
Compact footprint
Excellent odor control
Waterless operation
Easy to empty and maintain
Cons
Premium price
Requires 12V power
Smaller capacity than some competitors
Best for: Modern tiny houses and off-grid living
Price Range: $$$$
3. Thetford Porta Potti 365 ⭐⭐⭐⭐☆
3. Thetford Porta Potti 365 ⭐⭐⭐⭐☆
Best Budget Portable Toilet
The Thetford Porta Potti 365 is one of the world’s best-selling portable toilets and a great choice for tiny houses, campers, and cabins. It’s lightweight, comfortable to use, and incredibly easy to empty. While it isn’t designed for permanent off-grid living, it’s an affordable and reliable option for weekend use or budget-conscious builders.
Pros
Affordable price
Lightweight and portable
Comfortable seat height
Easy to empty
Trusted Thetford quality
Cons
Requires toilet chemicals
Needs regular emptying
Not ideal for full-time off-grid living
Best for: Budget tiny houses, campers, and weekend cabins
Price Range: $$
4. BOXIO Toilet ⭐⭐⭐⭐☆
4. BOXIO Toilet ⭐⭐⭐⭐☆
Best Compact Dry Toilet
The BOXIO Toilet is a clever and compact dry toilet designed for tiny houses, camper vans, boats, and off-grid adventures. Built around the popular Eurobox format, it takes up very little space while offering excellent portability and simple maintenance. If you’re looking for an affordable, waterless toilet that is easy to transport, the BOXIO is one of the best choices available.
Pros
Ultra-compact design
No water or chemicals required
Lightweight and easy to carry
Simple to clean
Affordable compared to premium composting toilets
Cons
Small waste capacity
Lower seating height
Better for occasional use than full-time living
Best for: Camper vans, weekend tiny houses, and off-grid travel
Price Range: $$
5. TRELINO EVO S ⭐⭐⭐⭐☆
5. TRELINO EVO S ⭐⭐⭐⭐☆
Best Lightweight Composting Toilet
The TRELINO EVO S is a lightweight composting toilet designed for tiny houses, camper vans, boats, and off-grid adventures. Its compact design, urine-diverting system, and simple maintenance make it an excellent choice for anyone looking for a portable dry toilet without the need for water or electricity. Built in Germany, it combines durability with modern design.
Pros
Lightweight and compact
No water or electricity required
Excellent odor control
Easy to empty and clean
Durable German-made design
Cons
Premium price
Smaller capacity than larger composting toilets
Better suited for one or two users
Best for: Tiny houses, camper vans, and off-grid travel
Price Range: $$$
6. Biolan Simplett Plus ⭐⭐⭐⭐☆
6. Biolan Simplett Plus ⭐⭐⭐⭐☆
Best Eco-Friendly Dry Toilet
The Biolan Simplett Plus is an eco-friendly dry toilet designed for tiny houses, cabins, and off-grid living. It separates liquid and solid waste without requiring water or electricity, making it an environmentally friendly and low-maintenance solution. Its larger capacity and comfortable seat height make it suitable for longer stays.
Pros
No water or electricity required
Eco-friendly urine separation system
Large waste capacity
Comfortable seat height
Easy to maintain
Cons
Requires a ventilation system
Larger footprint than compact models
Premium price
Best for: Eco-friendly tiny houses, cabins, and off-grid homes
Price Range: $$$
7. Kildwick BoxLoo ⭐⭐⭐⭐☆
7. Kildwick BoxLoo ⭐⭐⭐⭐☆
Best Ultra-Portable Dry Toilet
The Kildwick BoxLoo is a compact urine-diverting dry toilet designed for campers, tiny houses, boats, and outdoor adventures. Its Eurobox design makes it lightweight, stackable, and easy to transport, while the waterless system provides a simple and environmentally friendly toilet solution. If portability is your top priority, the BoxLoo is one of the best options available.
Pros
Ultra-compact Eurobox design
Lightweight and portable
No water or chemicals required
Easy to clean and maintain
Affordable price
Cons
Small waste capacity
Low seating height
Better for occasional use than full-time living
Best for: Camper vans, tiny houses, boats, and outdoor adventures
Price Range: $$
