Buy composting toilets online. Ideal for rural homes, cottages, barns, garages, workshops, poolside cabanas, RV's, and boats. No septic system required! Save money, save water resources and preserve water quality.
How Do Composting Toilets Work?
Unique Bio-drum design uses a 3-chamber system to accelerate the composting process.
Composting Toilets | 3 Types
See our large selection of best-selling, odorless composting toilets including self-contained toilets and central composting toilet systems using either waterless toilets or 1-pint flush toilets. The self-contained Excel and all central systems are NSF certified.
Self-contained Composting Toilets
Order Sun-Mar self-contained composting toilets here. Ideal alternative to an expensive septic system for rural homes, cottages, cabins, remote lodges. Includes the NSF certified Excel model.
Composting Toilets - Specs
Will a Sun-Mar composting toilet fit into your home or cottage? Check the specs here for rough-in measurements and electrical requirements
Central Waterless Composting Toilet Systems
Order Sun-Mar Central Waterless Composting Toilet Systems here. Ideal for rural homes, cottages, cabins, remote lodges - anywhere you don't have a water supply or septic system and want odor-free convenience and traditional-looking toilet facilities.
Sun-Mar Central Waterless Composting Toilet Systems - Specs
Is a Sun-Mar central waterless composting toilet system a good fit for you? Check here for rough-in measurements and electrical requirements.
Sun-Mar Composting Toilet Systems Using Low Flush Toilets
Order page for Sun-Mar Composting Toilet Systems designed for use with Sealand toilets. Ideal for rural homes, cottages, cabins, remote lodges - anywhere you want traditional-looking, odour-free toilet facilities on a low water budget. No septic system required.
Sun-Mar Composting Toilet Systems - Specs
These composting toilet systems are designed for low flush toilets with a central composting unit situated downstairs or outdoors. Check here for rough-in measurements and electrical requirements.
Sealand Toilets and Sun-Mar Dry Toilets
Order Sealand toilets and Sun-Mar dry toilets here. They look great in any bathroom and the Sealand is an ideal RV toilet. Sun-Mar's advanced technology in composting toilet systems means you can have elegant, odour-free bathrooms using little or no water and with no need for a septic system.
Sealand Toilets And Sun-Mar Dry Toilets - Specs
Sun-Mar dry toilets and Sealand toilets look great in any bathroom. Check here for installation specifications.
RV Toilets And Marine Toilets
Sun-Mar mobile composting toilets are certified by the US Coast Guard. Used in boats and RV's, these odour-free toilets replace smelly chemical toilets and reduce pump-out fees.
Composting Toilets | Accessories
Composting toilet accessories to optimize the performance of your composting toilet or garden composter.
Composting Toilets | Order Information
Ordering information for Sun-Mar Composting Toilets, Parts, and Accessories