Best Composting Toilets For Tiny Houses (2024 Updated)

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If you're planning to build or live in a tiny house, one of the most important things you need to consider is the toilet. Composting toilets are becoming increasingly popular for tiny houses because they are eco-friendly, affordable, and easy to use. However, finding the best composting toilet for your tiny house can be overwhelming, with so many options available in the market.

To help you make an informed decision, we have put together 5 key points you should consider when looking for the best composting toilet for your tiny house. Firstly, you need to consider the size of your tiny house and the available space for the toilet. Secondly, you should think about the type of composting toilet you want, whether it's self-contained, central, or remote. Thirdly, you need to check the capacity of the composting toilet, especially if you have a large family or plan to use it frequently. Fourthly, you should look at the ventilation options and the quality of the fan to ensure odor-free usage. Finally, you should consider the price, including the initial cost, installation, and maintenance costs.

In summary, finding the best composting toilet for your tiny house involves considering the size, type, capacity, ventilation, and price. By keeping these key points in mind, you can find a composting toilet that suits your needs and budget, making your tiny house living experience comfortable and eco-friendly.

10 Best Composting Toilets For Tiny Houses

1. Compact Macerating Toilet With Built-In 600w Pump For Basement System

The Sanimove One-piece Macerating Toilet is an innovative solution for those who have limited space in their homes. This toilet comes equipped with a 600watt macerator pump built into the base, making it an excellent choice for basement toilet systems. This product is available in the US and can be received within 3-6 days from the local warehouse.

One of the standout features of this toilet is its dual flush system. The Eco Flush uses only 0.75 gallons of water per flush, while the Full Flush uses 1 gallon of water per flush. This feature makes the Sanimove One-piece Macerating Toilet an eco-friendly option for those who are conscious about water conservation.

The toilet also has an automatic system, thanks to the built-in 600W macerating pump. This pump can be connected to a sink, allowing it to drain the sewage from both the toilet and the sink. Additionally, the pump can pump sewage vertically up to 20 feet or horizontally up to 164 feet, provided that you use 1-1/4’’ or 1-1/2’’ PVC hard pipe for connecting.

Another great feature of this toilet is its remote control. There is no need for a toilet tank as the flushing action and macerating pump cycle is automatic after pressing a push button switch on the left of the bowl. The remote control allows you to drain the water without bending over to press the buttons, providing a convenient and comfortable experience.

The Sanimove One-piece Macerating Toilet is versatile and can be installed in various locations such as a loft/attic, upper floor, ground floor, basement, and even a garage. It is effortless to install in areas such as under the stairway for a half bathroom or an additional half bathroom in a bedroom or garage conversion.

This macerating toilet is compact in size, measuring 20.86”x13.18” x 18.11”. The bottom of the toilet measures 16.92”x 10.23”. The size is almost the same as regular toilets, with the only difference being the installation of a grind pump inside the toilet.

In conclusion, the Sanimove One-piece Macerating Toilet is an excellent choice for those who have limited space in their homes. Its dual flush system, automatic system, remote control, and compact size make it a convenient and eco-friendly option for any household.

2. 700w Macerating Toilet With Extension Pipe And Round Bowl For Kitchen, Bathroom, And Laundry – Ideal Upflush Solution For Basement

The Macerating Toilet with 700 Watt Macerator Pump, Extension Pipe and Round Bowl is a top-of-the-line upgrade to the traditional 500 Watt upflush toilet system. With four water inlets, this toilet can be installed in the bathroom, washer, sink, and toilet all at once, using only one pump. The macerator pump is designed to perform at high standards, effortlessly flushing away all waste with its strong power.

Built to last for lifetime use, this toilet is quiet in operation with only 25-35DB and is fully automatic when activated by flushing. It features a class-leading aluminum motor casing and tough stainless steel blade for ultra-fine waste cutting, ensuring that it crushes the faeces and disposes of it easily.

The macerating toilet is easy and flexible to install, with three inlets for wastewater from shower, laundry, and sink. Plugs are provided for them if they are not used. The installation location can be behind the toilet or behind the wall, depending on individual needs. Although the entire installation process is fairly easy, it is recommended to watch the video before starting to install.

The macerating toilet kit includes an elongated bowl, tank, and pump, as well as a connecting pipe between the toilet and pump for those who want to hide their pump. This toilet offers an opportunity to save water, as it only uses 1.6 GPF.

The manufacturer offers a one-year warranty for replacement and repair. If there are any concerns or issues during the installation of the macerator toilet, customers can email the manufacturer, and they will respond within 12 hours.

Overall, the Macerating Toilet with 700 Watt Macerator Pump, Extension Pipe and Round Bowl is a reliable, efficient, and easy-to-install toilet system that is perfect for kitchens, bathrooms, and laundry rooms. Its powerful macerator pump ensures that waste is flushed away effortlessly, while its durable construction guarantees a long-lasting, trouble-free experience.

3. Sun-Mar Gtg Toilet | Portable Toilet, Compost Toilet For Rv

The SUN-MAR GTG Toilet is a versatile and innovative portable toilet that is perfect for camping or RV use. Its compact size, easy installation, and smart design make it a must-have for anyone who is looking for a reliable and efficient toilet that can be easily transported.

One of the most notable features of the SUN-MAR GTG Toilet is its compact size. Despite its small size, this portable toilet is packed with practical features that make it an essential accessory for any outdoor enthusiast. It is perfect for camping trips, RV trips, or any other situations where a traditional toilet is not available.

Installing the SUN-MAR GTG Toilet is a breeze. It is designed to be easy to set up and install, even for those who are not particularly handy with tools. In just a few minutes, you can have a fully functional toilet that is ready to use. This makes it an ideal option for those who are looking for a quick and easy solution to their toilet needs.

The SUN-MAR GTG Toilet also features solid/liquid separation, which is a smart design feature that separates liquid and solid waste into separate chambers. This not only helps to minimize odors but also makes it easier to dispose of waste. The solid waste is stored in a compostable bag, while the liquid waste is collected in a separate container.

Despite its small size, the SUN-MAR GTG Toilet is incredibly practical. It is designed to be easy to use, and its smart design features make it an ideal choice for those who are looking for a reliable and efficient portable toilet. It is also incredibly easy to dispose of waste, thanks to its cassette toilet-like functions.

In conclusion, the SUN-MAR GTG Toilet is a must-have for anyone who is looking for a reliable and efficient portable toilet that is easy to use and easy to dispose of waste. Its compact size, easy installation, and smart design make it a versatile and practical option for camping trips, RV trips, or any other situations where a traditional toilet is not available.

4. Boxio Toilet Max – Composting Toilet Bundle, Portable Toilet With All The Accessoires

The BOXIO Toilet MAX is a composting toilet bundle that provides an efficient and convenient solution for waste disposal in outdoor activities. This high-capacity dry separation toilet can handle 8-10 uses before disposal is necessary, and it enables carefree disposal without the use of chemicals.

One of the key advantages of the BOXIO Toilet MAX is its compact and mobile design. With dimensions of 14.75" x 11.81" x 11.0", this small and lightweight toilet is easy to transport and fits in any car trunk, boat, bus, or gazebo. It's an ideal portable toilet for camping, hiking, or any other outdoor adventure.

The BOXIO Toilet MAX is also hygienic and odor-free. The composting toilet features a 1.3-gallon separation container with a lid, as well as a leak-proof urine canister. The combination of these features with the HEMPLITTER and PLUG ensures that there is almost no odor in the toilet. It's a perfect solution for those who want to maintain hygiene and cleanliness in their outdoor activities.

Moreover, the BOXIO Toilet MAX is environmentally friendly. The solid waste can be easily disposed of into a trash can, while the liquid waste can be poured into a manhole. This means that users are not dependent on disposal stations, making the BOXIO Toilet MAX an excellent choice for those who want to stay independent and self-sufficient.

Overall, the BOXIO Toilet MAX is a reliable and efficient solution for waste disposal in outdoor activities. Its high capacity, mobile design, hygienic features, and environmental friendliness make it the perfect compost toilet for camping, hiking, and other outdoor adventures.

5. Horow Hwmt-8733: Small, Powerful, And Quiet One-Piece Toilet With Soft-Closing Seat, 12'' Rough-In, And Modern Design, White.

The HOROW HWMT-8733 Small Compact One Piece Toilet for Bathroom is a modern, powerful, and quiet dual flush toilet designed for small spaces. Measuring just 25 inches deep by 13.4 inches wide and 28.4 inches high, this toilet is perfect for apartments, small bathrooms, and en-suite bathrooms. Despite its compact size, the standard round bowl ensures that users can sit comfortably, while the 16.5-inch height seat makes it easier for anyone who has a hard time getting up from a low bowl.

The toilet features a powerful siphon flush with two options. The full flush uses 1.6 gallons of water, while the light flush uses just 1.1 gallons. This provides users with plenty of power to ensure that the bowl is clean while also saving on their water bill. Additionally, the fully glazed bowl is designed to stay clean, making it easy to clean and maintain.

The modern toilet comes with a soft closing PP seat, which eliminates any clattering when using the toilet, making it a great choice for keeping the peace in an en-suite bathroom. The toilet's installation is straightforward, thanks to two big installation access on the side, allowing the plumber to install this dual flush toilet much easier. The package includes the toilet, soft closing toilet seat, pre-installed flush valve, high-quality wax ring, floor bolts, and installation instructions.

HOROW values each customer's shopping experience and believes in the quality of their products. Therefore the toilet comes with lifetime after-sales service and a 1-year limited warranty. The customer service center will respond to messages within 12 hours. Additionally, the toilet is cUPC, UPC, and Water Sense certified, CEC compliant, and cUPC certified water flush valve, ensuring that it meets the highest standards of quality and safety.

Finally, the toilet's upgraded packaging means that it arrives in perfect condition, encased in styrofoam to prevent damage during shipping. Overall, the HOROW HWMT-8733 Small Compact One Piece Toilet for Bathroom is an excellent choice for those looking for a modern, powerful, and quiet dual flush toilet for small spaces.

6. Saniflo Sanibest: Macerating Upflush Toilet Kit (With Standard Bowl)

The Saniflo SaniBEST Macerating Upflush Toilet Kit is a complete bathroom solution that includes a macerating pump, a white standard toilet bowl, and a white toilet tank. This kit is designed to provide an efficient and reliable system for waste disposal in homes, offices, and commercial buildings where traditional plumbing is not feasible or cost-effective.

The SaniBEST macerating pump is the heart of the system, capable of grinding and pumping waste from the toilet bowl and other bathroom fixtures up to 18 feet vertically or 150 feet horizontally. The pump is built with heavy-duty components that ensure long-lasting performance and minimal maintenance. Its compact size and quiet operation make it an ideal choice for small spaces and noise-sensitive environments.

The kit includes a white standard toilet bowl that complements most bathroom designs and meets the requirements of most building codes. Its elongated shape provides added comfort, while its glazed surface prevents stains and odors from adhering. The bowl comes with a soft-close seat that eliminates slamming and reduces wear and tear on the bowl and the pump.

The white toilet tank that comes with the kit is also designed for durability and ease of use. Its dual-flush mechanism allows users to conserve water and reduce their utility bills by selecting either a 1.6 or 0.9-gallon flush. The tank is compatible with most standard toilet bowls and can be easily installed using the included hardware and instructions.

For those who prefer an elongated bowl or need an extension pipe for behind wall installation, Saniflo offers other listings that cater to various needs. The elongated bowl provides additional legroom and a more stylish look, while the extension pipe enables the pump to be installed further away from the toilet bowl, allowing for more flexibility in bathroom design.

Overall, the Saniflo SaniBEST Macerating Upflush Toilet Kit is a versatile and efficient solution for those who need a reliable and cost-effective bathroom system. Its high-quality components, quiet operation, and easy installation make it a popular choice among homeowners, contractors, and architects alike.

7. Macerating Toilet, Round, 1/2 Hp, 115v

The Macerating Toilet, Round, 1/2 HP, 115V is a highly efficient toilet system that is designed to macerate waste and pump it out using a 1/2 HP motor. The system operates at a voltage of 115 and has a maximum head of 36 ft. with a GPM of Water @ 10 Ft. of Head at 33. The system also includes a white round bowl rear discharge toilet with seat, macerator, and auxiliary inlet connectors.

The Macerating Toilet has a Cord Length of 8 ft. and an Amps of 7.9. The Cover Material is made of ABS and has a Cord Length of 8 ft. with a Voltage of 115V AC. The Outlet is 1" with a Tank Width of 10" and a Tank Length of 20". The Inlet is 2" and the Vent is 1-1/2". The Basin Height is 11" and the Basin Material is made of Porcelain. The Check Valve is integral to the Discharge Flange.

The Macerating Toilet has a GPM of Water @ 5 Ft. of Head at 37 and a GPM of Water @ 25 Ft. of Head at 16. The system has a maximum liquid temperature of 104 degrees F and a Basin Capacity of 4.0 gallons. The Pump HP is 1/2 and the Pump RPM is 3450.

The Macerating Toilet System operates at a Phase of 1 with an Input Phase AC of 1. The Motor RPM is 3450 with a Switch Type of Solid State. The system operates at a frequency of 60 Hz and is IAPMO Approved. However, the system does not have ADA Compliance and the Country of Origin is multiple.

Overall, the Macerating Toilet, Round, 1/2 HP, 115V is a highly efficient and reliable toilet system that is designed to macerate and pump waste. It is ideal for use in homes, apartments, and commercial buildings where traditional plumbing is not possible or feasible. The system is easy to install and maintain and is built to last.

8. Venus White Upflush Toilet Kit – Powerful Macerating System For Basements, Round-Front Bowl (2-Piece)

The Silent Venus White Upflush Toilet (2-Piece Kit) is a powerful and efficient macerating toilet system designed to provide a superior flushing experience for your basement. With a 110v-120v/60hz, 600W motor, this toilet can handle up to 30 ft horizontal or 260 ft vertical discharge, making it the perfect solution for challenging plumbing situations.

The macerator features a high-quality stainless steel non-clog blade and heavy-duty plastic casing, ensuring long-lasting durability and reliable performance. The toilet also comes with two side inlets for a lavatory sink and/or shower tub, making it a versatile and practical addition to any bathroom.

The toilet bowl and tank are designed to be low-noise, which means you can enjoy a peaceful and quiet bathroom experience. The round-front standard bowl has a sleek and modern design that will fit perfectly in any bathroom, regardless of its size. The top-mounted, dual flush push-button actuator is easy to use and allows you to choose between a full or partial flush, depending on your needs.

The extension pipe is flexible and can reach up to 20" in length, with a 4" diameter at the smaller end and a 5" diameter at the larger end. This makes it easy to install the toilet in any location, even in tight spaces.

Silent Venus offers excellent customer support and has in-house plumbers and engineers on standby to assist with installation or any other questions you may have. If you're looking for a powerful and efficient upflush toilet system that can handle even the most challenging plumbing situations, the Silent Venus White Upflush Toilet (2-Piece Kit) is the perfect choice.

Best Composting Toilets For Tiny Houses FAQs

How do different composting toilet brands compare in terms of odor control and maintenance requirements?

There are several composting toilet brands available in the market, each with different odor control and maintenance requirements. Some popular brands such as Sun-Mar and Nature's Head use a combination of ventilation systems, fans, and carbon filters to minimize odors. These systems require regular maintenance such as cleaning filters and replacing carbon media to ensure effective odor control. Other brands like Separett and Cinderella use a urine-diverting system that separates liquid and solid waste, reducing odors and simplifying maintenance. These systems require regular cleaning of the urine container and compost bin. Maintenance requirements also depend on usage and capacity, with larger models requiring less frequent emptying and maintenance. Overall, proper maintenance is key to controlling odors and ensuring the longevity of the composting toilet system. It is recommended to follow the manufacturer's instructions for maintenance and use.

What are the best composting toilet options for off-grid living in a tiny house?

Composting toilets are a great option for off-grid living in a tiny house because they don't require water or electricity. There are several options to choose from, including self-contained and central composting systems. Self-contained composting toilets are a good choice for tiny houses because they're compact and easy to install. They're also relatively affordable and don't require a lot of maintenance. Central composting systems, on the other hand, are more expensive and require more installation work, but they're better suited for larger households. When choosing a composting toilet for your tiny house, it's important to consider factors such as size, odor control, and ease of use. Some popular brands to consider include Nature's Head, Separett, and Sun-Mar. Ultimately, the best composting toilet for your tiny house will depend on your personal preferences and budget.

What are the most affordable and reliable composting toilets for tiny houses?

Composting toilets are a popular choice for tiny houses because they are eco-friendly and space-saving. The most affordable and reliable composting toilets for tiny houses are those that are easy to install, require minimal maintenance, and have a long lifespan. Some of the top options in the market include Nature's Head Composting Toilet, Sun-Mar Excel Non-Electric Self-Contained Composting Toilet, and Separett Villa 9210 AC/DC Composting Toilet.

The Nature's Head Composting Toilet is a popular choice among tiny house owners due to its compact size and simple design. It has a durable construction and comes with a vent hose and fan to eliminate any odors. The Sun-Mar Excel Non-Electric Self-Contained Composting Toilet is another great option that does not require electricity and uses a unique patented technology to break down waste. Finally, the Separett Villa 9210 AC/DC Composting Toilet is a reliable option that operates on both AC and DC power and has a urine-separating feature. All three options are affordable, reliable, and perfect for tiny house living.

What are the most efficient and eco-friendly composting toilets for tiny houses?

Composting toilets are an eco-friendly and efficient solution for tiny houses. The most efficient and eco-friendly options are those that use little to no water, and compost the waste on-site. Some popular options include the Nature's Head composting toilet, which uses a crank handle to mix the waste and composting material, and the Separett Villa 9215, which separates the urine from the solid waste for easier composting. Other options include the Sun-Mar Excel composting toilet, which uses an electric fan to aid in composting, and the BioLet composting toilet, which uses a unique rotating drum to mix the waste and composting material. It's important to note that composting toilets require proper maintenance and management to ensure safe and effective composting.

Which composting toilets are the most space-saving and easy to install in a tiny house?

When it comes to composting toilets for tiny houses, the most space-saving and easy-to-install options are:

1. Nature's Head composting toilet: It's compact and has a self-contained design that can fit into small spaces. It's also easy to install and maintain.

2. Separett Villa 9210 AC/DC: This toilet has a urine-diverting system that separates liquid and solid waste, making it easy to compost. It's also compact and easy to install.

3. Sun-Mar Compact: This toilet is designed specifically for small spaces and has a low-profile design. It's also easy to install and maintain.

Overall, the key factors to consider when choosing a composting toilet for a tiny house are size, ease of installation, and maintenance requirements. It's important to choose a toilet that fits your space and lifestyle needs.

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