The Sun-Mar Excel Non-Electric Self-Contained Composting Toilet is our best composting toilet and this composting toilet has a one hundred percent non-polluting in its design. This best toilet stands at a height of 32 inches and also comes with a convenient venting kit. This toilet is also equipped with a handle that is recessed in its shape and design so you can easily process compost with little effort and the bio drum included comes with a variable diameter for convenience in using this toilet. Also, because it is very convenient, it does not make the use of any water as a composting toilet. It is also self contained in its design and can be used by 2 to 3 people in any residential setting. It can be used by 5 to 7 people in any weekend setting on a cabin and this is a non-electric composting toilet so you can virtually use it anytime and anywhere. It is very easy to lift anywhere due to weighing only 90 pounds.
Our step-up pick is the Sun-Mar Compact Self-Contained Composting Toilet and because it does not use water, it is a great way to save up on water consumption when you are camping or living in an RV or out in the wilderness. A high quality composting toilet that does not pollute the environment due to its usefulness, it has a very low profile design so it fits in a lot of spaces that is possible. Unlike our top pick, this is an electric composting toilet so it runs on certain voltage that is much like the standard current of any household so it is not a problem to recharge or power up. You can easily process any compost due to the handle which has a recessed shape and design for better convenience. Also, the eco friendly feature of this composting toilet is a great way to go with less impact for the environment.
The budget pick is the Nature’s Head Dry Standard Composting Toilet and the molded design conforms to the shape of the human body to give the best comfort possible. The innovative and creative design of this space saving, budget friendly and convenient composting toilet makes it our budget pick on the best composting toilet. The installation method for this composting toilet is rather easy and is not an issue to manage for most people and the vent hose has a length of 5 feet in total. This unique composting toilet has a very friendly design for beginners and for people with limited strength when it comes to operating a toilet, specifically an outdoor off the grid composting toilet. The design of this composting toilet makes it odorless so you do not have to feel worried about the bad smells while composting human waste.
A Little Background
Composting toilets are eco-friendly solutions to saving up water resources. They are portable toilets with a capability of turning your human waste into something fruitful – a fertilizer for the earth and the plants all around you.
How We Picked
Before you choose and go head to pick the best composting toilet, you should consider the following factors first, so you will not waste money on a faulty product:
Capacity – most composting toilets have a capacity of 2 to 5 gallons of waste but it really depends on the size.
Size and comfort – the composting toilet must have a very comfortable seat that can accommodate anyone. If you live on an RV or use it for camping or have it set for a boat, you should consider the size of the toilet first.
Easy operation – the composting toilet must have an easy mechanism to operate. It is important for any composting toilet to not just be reliable but also very easy to operate as an outdoor toilet.
Our Pick
Sun-Mar Excel Non-Electric Self-Contained Composting Toilet
The Sun-Mar Excel Non-Electric Self-Contained Composting Toilet is our best composting toilet which is one hundred percent non-polluting in its design. And because it is very convenient, it does not make the use of any water as a composting toilet. Also, the bio drum included comes with a variable diameter for convenience in using this toilet. Moreover, this toilet is also equipped with a handle that is recessed in its shape and design so you can easily process compost with little effort.
A great composting toilet that is an ideal must-have for living off the grid or camping, this is a non-electric composting toilet so you can virtually use it anytime and anywhere which stands at a height of 32 inches and has a size of four inches on its vent stack size. It also comes with a convenient venting kit and includes one convenient drain in the composting toilet. It can be used by 2 to 3 people in any residential setting and it can be used by 5 to 7 people in any weekend setting on a cabin.
As for its certifications, the composting toilet has been certified by the standards of ANSI and it has also passed the certifications of the NSF. It is also self contained in its design and has a clean white design that is very easy to clean. It is very easy to lift anywhere due to weighing only 90 pounds.
Flaws but Not Dealbrakers
The only thing about the Sun-Mar Excel Non-Electric Self-Contained Composting Toilet is the fact that you have to add a fan during the summer season so that you will not be stained by its odor and foul smells while you are using the composting toilet.
Step-up Pick
Sun-Mar Compact Self-Contained Composting Toilet
Our step-up pick is the Sun-Mar Compact Self-Contained Composting Toilet and it has a very low profile design so it fits in a lot of spaces that is possible and can complement any design of any bathroom due to its compact build. It is a high quality composting toilet that does not pollute the environment due to its usefulness. The eco friendly feature of this composting toilet is a great way to go with less impact for the environment. It can easily process any compost due to the handle which has a recessed shape and design for better convenience.
Because it does not use water, it is a great way to save up on water consumption when you are camping or living in an RV or out in the wilderness. Unlike our top pick, this is an electric composting toilet so it runs on certain voltage that is much like the standard current of any household so it is not a problem to recharge or power up. The bio drum of this composting toilet has a variable diameter feature for added convenience. It also has an emergency drain so it can be very easy to clean up as a composting toilet in the wilderness and it is also self-contained in its design so it is very easy to maintain.
It has one easy to access and easy to maintain drain. The composting toilet measures 28.5 inches in its height and has a depth of 21.5 inches. The vent stack size of this composting toilet is 2 inches. A great composting toilet for 3 to 4 people in any weekend setting in a cabin or it can be used in any residential setting when you live solo, it does not give off any foul odors when converting human waste into a very usable and eco friendly fertilizing soil. It has been certified by the standards of ANSI for quality beyond compare and it has also been tested by the standards and certifications of NSF. The compact design makes it very easy to carry around at only 14 pounds of weight and the clean white finish and shiny surface makes for a low maintenance composting toilet when it comes to cleaning it up.
Budget Pick
Nature’s Head Dry Standard Composting Toilet
Our budget pick is the Nature’s Head Dry Standard Composting Toilet and this unique composting toilet has a very friendly design for beginners and for people with limited strength when it comes to operating a toilet, specifically an outdoor off the grid composting toilet. The molded design conforms to the shape of the human body to give the best comfort possible and the hand crank agitator feature of this highly convenient composting toilet adds to the speed of the composting process and is located in the base of the composting toilet.
The vent hose has a length of 5 feet in total and since this is an electric composting toilet, it can be plugged directly onto any plug at 12 volts. The bottle cap feature makes it ideally convenient for its features and functionality as a composting toilet and the installation method for this composting toilet is rather easy and is not an issue to manage for most people. The standard crank handle can be operated smoothly by just about anyone who uses it and the composting mechanism is a great and eco friendly solution which definitely works for those who want to survive off the grid.
The innovative and creative design of this space saving, budget friendly and convenient composting toilet makes it our budget pick on the best composting toilet. The construction of this flawless composting toilet is superb so that it can last for a longer period of time and the hardware used for the toilet is made from high quality stainless steel material so it can last long without much maintenance/
This composting toilet is so compact that it can fit onto any RV, cabin, workshop, small house, boat or during camping in the wilderness. The design of this composting toilet makes it odorless so you do not have to feel worried about the bad smells while composting human waste. The light weight at only 27 pounds makes this composting toilet rather easy to transport for use on the go. The toilet stands at a height of 20 inches and it has a comfortable height and width for most people. With the Nature’s Head Composting Toilet, you can produce great compost with this composting toilet.
Unique Composting Toilet with a Curved Design
Thetford 92360 550E Curve Portable Toilet
The Thetford 92360 550E Curve Portable Toilet comes with a convenient hold down kit as an optional feature and the flush controls of this composting toilet is battery powered that is hidden for stealth and sleekness of its design. The seat height of this toilet is very convenient and it also adds comfort to the user as if he or she is using a toilet at home and the bowl size is also very convenient to sit on so it will feel very comfortable to those who are very used to their home throne.
It extends to a height of 17 inches and the modern and sleek appearance of the toilet is something that people will definitely love. A carrying handle has been integrated with the water tank which improves its portability. The toilet has a depth of 17 inches. With the Thetford Curve Portable Toilet, you can do about 56 flushes on each refill of the tank and you can easily pour out the waste water of this portable composting toilet using the pour out spout feature that makes it easy to clean. Also, the cap also makes the toilet free from troublesome maintenance.
Moreover, the waste tank as well as the fresh water tank both have level indicator so you know when to refill the tanks when greatly needed. It has a very normal and natural seat height for most people and this unique composting toilet also has a convenient holder for toilet paper. The curved design of this portable composting toilet adds portability and uniqueness as well as a sleek value and design.
Additionally, the indicators of levels of the water tanks are very easy to read. The Thetford 550E Curve Portable Toilet has a super light weight of only 10 pounds and has a tank capacity of 4 gallons for the fresh water tank. The durability of this toilet is unmatched compared to its competitors. It has a tank capacity of 5.5 gallons for the waste water tank and is backed by a limited warranty of 1 year. It is an ideal toilet for emergency purposes, marine use, RVs, vans, trucks, camping, outdoor activities, potty training for toddlers, health care and seniors and many more.
Best Heavy Duty Rating Composting Toilet
Sanitation Equipment Visa Potty Model 268
The Sanitation Equipment Visa Potty Model 268 has up to two level indicators for both of its tanks and this composting toilet has a capacity of up to 24 liters of content. A great addition to any outdoor situation when it comes to sanitation concerns, it can accommodate people more than 300 pounds due to its heavy duty design.
The design of this sturdy and reliable composting toilet is guaranteed to keep the odors trapped and neutralized so that you do not have to worry about the annoying smell of human waste, even if it were left there for a long time. It has a bottom pipe so you can easily empty the toilet whenever you want it to. Because it can be separated in to two, it is so portable that you can carry it anywhere.
A great composting portable toilet to use on boats and the like or even at camping, it is a must-have for preppers and happy campers and can also be used in a van or in a tent due to its convenient and portable features.
Convenient Composting Toilet with a Spider Handle Design
Nature’s Head Spider Handle Composting Toilet
With the Nature’s Head Spider Handle Composting Toilet, the spider handle design is very unique for this composting toilet because it adds convenience to the user as he or she turns the composting toilet gently to convert human waste into useful fertilizer for the earth. This is a very useful self contained design composting toilet that is ideal for the great outdoors.
The composting toilet also has close quarters for its feature to add convenience to the toilet user. It comes with the needed fan to fan away the odor so that you do not have to worry about the stinky smell. Also, a vent hose is also included to further neutralize the odor of this composting toilet. It can be easily disassembled so that you can empty the waste tank of this composting toilet within seconds.
The toilet stands at a height of 21 inches and the hardware of this composting toilet is made from entirely stainless steel so that longevity as well as durability will not be compromised and the unit will be absolutely very easy to clean and maintain for the many years to come. The elongated seat of this composting toilet mimics that of a regular toilet seat from any home with an elongated design.
Moreover, this toilet can also be mounted on the floor and has a granite finish on its design. The fact that this composting toilet is made in the United States makes it assuring that it is made only with the highest quality parts possible for a regular composting toilet. It can be used on any situation and in any place such as boats, cabins, RVs, camping sites, trucks, barns and many more.
Also, the fan is powered up by a battery with 12 volts of power but you can also use a small solar panel to power up the fan for an odorless experience with this composting toilet. Super easy to lift off the ground at only 28 pounds, it also saves you and your family members or friends the worry of a stinky toilet. The rugged design of this great stainless steel composting toilet will be enjoyed for the many years to come. It is backed by a limited manufacturer’s warranty.
Ideal Composting Toilet for Camping and Traveling
Excelvan Car 5-Gallon Flush Portable Toilet
You can flush up to 50 times with one full tank of the Excelvan Car 5-Gallon Flush Portable Toilet as the toilet can be used from 2 to 3 days by a regular adult due to its size and capacity. It has a total capacity of 5 gallons, which is also equal to 20 liters. Also, cleaning can be easily managed by adding a good cleaning detergent or deodorant for the composting toilet so that it not only cleans the toilet but also dissipates the bad smell.
Both of the tanks of this composting toilet system can be locked easily with the help from two side latches. The mechanism of the locks also allow it to easily be detached for travel and on the go purposes and the fresh water tank has a capacity of 2 gallons and it also has a full autarkic design and mechanism . it has a safe bearing weight of 130 kg. Children and the elderly can also use this composting toilet, provided that they are guided with responsible adults.
The toilet stands at a height of 16 inches and the construction of this high quality composting toiler is very sturdy and very reliable for many trips and camping instances. It can be used on any RV, boat, hospital, campsite and many more and the waste tank can be easily emptied for convenience on the go.
Leakage can be avoided and diffusion can be prevented due to the fact that the slide valve part of the composting toilet is made of double layers. Just keep it away from sunlight for vest results on durability. Relatively lightweight at only 13 pounds, it is made from high quality material instances of PE, steel, ABS and PP. There are absolutely no tools required for assembling the waste tank of this composting toilet. It also comes with a user’s manual for added information.
Ideal Composting Toilet for Hiking and Outdoor Adventures
Giantex 5-Gallon Camping Hiking Portable Toilet
A great composting toilet for hiking, the Giantex 5-Gallon Camping Hiking Portable Toilet is made with high quality ABS material for its body as well as PP and PE material for added durability and is available in green and gray colors. It stands at a height of 15 inches and the seat measures 12 by 13 inches so it is just the right size for most people. The cover measures 14 by 13 inches.
An ideal for camping purposes when you are out in the wilderness, it is also great for hiking and outdoor ventures to support your needs and is a highly portable composting toilet for outdoor use. The wall construction is very thick that you can even stand on this composting toilet and the lid and the seat is adult sized so you do not have to worry about awkwardness.
The capacity of this toilet is 5 gallons or 29 liters and it does not require tools in emptying or assembling the waste holding tank. Just keep away from extreme sunlight. It is a self contained toilet system for less maintenance requirements and it does not require outside water or power connections. The polyethylene construction will guarantee its durability and it can take even people with plus sizes.
Ideal Composting Toilet for RV and Van Use
Thetford 35831 Electra Magic Toilet
The Thetford 35831 Electra Magic Toilet uses DC power at 12 volts for its operation. This toilet system is a composting toilet that recirculates so it is a self contained system for outdoor use and ventures. A great composting toilet that has been specifically made for RVs or recreational vehicles as well as vans that can fit it, the sleek, clean and modern design makes it a great composting toilet to consider.
It is very easy to lift from one place to another at only 26 pounds and the smooth exterior of this composting toilet makes it easy to clean. The toilet stands at a height of 20 inches and has a depth of 17 inches and can be connected to a camper’s sewage tank to release all of the waste water. It is backed by a full manufacturer’s warranty on parts and labor.
Best Scratch Resistant Composting Toilet
Dometic 964 MSD 2.5-Gallon Portable Toilet
The Dometic 964 MSD 2.5-Gallon Portable Toilet is a composting toilet that has a self contained design and it is able to hold up to 9.8 liters or 2.6 gallons of fresh water supply. It is easily refilled due to the vessel construction that has a top mounted port. The matte finish gives it an attractive look and also makes it easy to clean and the durability of the material used in this composting toilet is superb.
The polyethylene construction of this toilet is made from high density material to cope with the stress of any user. Super lightweight at only 8 pounds, it can be used with pumping facilities of your dock side and can also accommodate a holding tank of 5 gallons or 19 liters. The low profile height of 12 inches makes this toilet easy to carry around and the size of the vent is 16 mm or 5/8 inch. An ID discharge plumbing with a size of 1.5 inches can be connected with a PVC fitting. The toilet can be good for 30 to 50 uses on the average.
The latches on the side lock the tanks securely so you stay safe while using it and it has an adult sized seat to make you feel comfortable. It also comes with mounting brackets when needed and has a scratch resistant surface so you do not have to worry about maintenance with this unique composting toilet.
The Competition
Other composting toilets were not as sturdy as the ones we included here. It is important for any composting toilet to be free from defects and to have more value for its features and this is why you need to pick a composting toilet that is very sturdy and convenient in its design.
Other Frequently Asked Questions
If you want to learn more about composting toilets in general, please do check out our frequently asked questions below.
Q: Why are composting toilets beneficial for the environment?
A: According to Envirolet Composting Toilet World , it reduces water consumption from 20 to 50 percent which means you will get less instances of water storage. Because you get a system with air flow suction, it will significantly reduce the odors where you put the composting toilet. The loading shock of most composting toilets is very convenient. If you use a composting toilet on a residential place, it can save you a lot on maintaining your sewage system.
The end product of a composting toilet is, well, compost, which is great for plants and for the soil and for the Earth. You can also use the composting tank for food scraps and biodegradable items. Composting toilets are also great for camping, RV living, off the grid survival, trekking, hiking, cabin living and the like. If you install a composting toilet on a boat, it will also significantly reduce water pollution.
Q: What are some of the tips to consider with composting toilets?
A: According to The Tiny House , there are many ways to improve your composting toilet experience. You can add coffee grinds to reduce the foul odor of your composting toilet’s waste tank. Also, you can also add worms to speed up the composting process of your toilet, such as red worms or red wrigglers. You can add wood shavings and other biodegradable items on the composting toilet as well and you can also add extra sawdust to make it neutralize odors better, before and after using.
Wrapping It Up
To summarize, the Sun-Mar Excel Non-Electric Self-Contained Composting Toilet is our best composting toilet that will give the earth its due fertilizer without compromising water shortage.
Jen Miller is a former electrical engineer and product specialist with more than 20 years of product design and testing experience. She has designed more than 200 products for Fortune 500 companies, in fields ranging from home appliances to sports gear and outdoor equipment. She founded Jen Reviews to share her knowledge and critical eye for what makes consumers tick, and adopts a strict no-BS approach to help the reader filter through the maze of products and marketing hype out there. She writes regularly and has been featured on Forbes, Fast Company, The Muse, The Huffington Post, Tiny Buddha and MindBodyGreen.