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Sun-Mar Excel NE Composting Toilet
$1,999.00
❗Receive a $50 rebate from Sun-Mar when you purchase a Sun-Mar Composting Toilet from Wild Oak Trail
🇺🇸 Best Selling Composting Toilet in North America!
💲 Free Shipping & No Tax!
🚛 Ships in 1-5 Business Days
- Description
- Sun-Mar Excel FAQ
- Best Price Guarantee!
- Why Buy From Us
Description
Excel NE Composting Toilet by Sun-Mar
The Sun-Mar Excel NE Composting Toilet offers all the eco-friendly benefits of the original Excel but with the added advantage of being completely non-electric. Perfect for off-grid living, this waterless composting toilet is ideal for cabins, RVs, tiny homes, and remote locations where electricity is unavailable.
Featuring the same patented Bio-Drum system for efficient hassle-free composting, the Excel NE ensures hassle-free waste management without the need for plumbing or power. Its high-capacity design comfortably accommodates up to five adults, making it suitable for both continuous and seasonal use. Installing a Sun-Mar Composting Toilet is one of the smartest steps toward self-reliant living.
With the Sun-Mar Excel NE, you can embrace sustainable living without compromising on comfort or convenience.
Sun-Mar Excel NE Composting Toilet Inclusions
- Excel NE Toilet
- Owner's Manual
- Warranty Card
- Bowl Liner
- Footrest
- Rake
- 2" ABS Vent Pipe 30"L (Qty:4)
- 4" Diffuser
- Hardware Kit
- 2" Pipe Insulation
- Compost Sure Green (1 Bag)
Sun-Mar Excel Composting Toilet User and Installation Manual
Sun-Mar Excel NE Composting Toilet Specs
Weight and Dimension
- Height: 31 1/2″
- Width: 22 1/2″
- Length: 33″
- Weight: 47 lbs
- Shipping Weight: 81 lbs
- Shipping Carton Dimensions: 36″ by 36″ by 28″
Electrical Specifications
The Excel NE does not have electrical components built into it. However, if needed you can add a 12 volt 1.4 watt to your Excel NE composting toilet
Vent Pipes and Drains
- Vent Pipe - 4″ Thin-wall PVC
- Drains - 1″ OD - Required in all installations
Sun-Mar Excel FAQ
✅ Sun-Mar Excel Composting Toilet – Frequently Asked Questions
The Sun-Mar Excel is a self-contained composting toilet that uses no water. It separates liquid and solid waste and uses a patented Bio-Drum™ system to accelerate aerobic decomposition, turning waste into compost. It also features a fan and vent stack for odor-free operation and a heating element to aid evaporation and composting. Yes! The standard Excel model runs on 120V AC power, but Sun-Mar also offers the Excel NE (Non-Electric) model for 100% off-grid applications. There's also an Excel AC/DC model that can switch between grid and battery/solar power if needed. The Excel is rated for: The solids (compost) only need to be removed every few months, depending on usage. Liquid is evaporated or drained off via the optional drain. When used properly, you won’t need to empty it often, and it won’t smell. Nope! The Excel has a built-in vent fan that continuously draws air out through a vent stack, preventing odors from escaping into your home or cabin. When installed and maintained correctly, it’s completely odor-free. Composting toilets like the Excel are certified by NSF/ANSI Standard 41, which is accepted in many regions. However, we always recommend checking with your local building code or health authority before purchasing. Each Sun-Mar Excel toilet comes with: Yes, many customers install the Excel themselves! You’ll need basic tools and comfort with: The Excel stands out because: How does the Sun-Mar Excel work?
Is the Sun-Mar Excel completely off-grid?
How many people can use the Sun-Mar Excel?
• 3–4 people full-time, or
• 6–8 people part-time, such as weekends or vacation stays.
It’s one of the most popular models for cabins, tiny homes, and off-grid living. Do I need to empty the toilet often?
Does it smell?
Is it legal in my area?
What comes in the box?
• The complete toilet unit
• Vent stack components (usually 10–12 feet)
• Starter compost material
• Installation and maintenance manual
You may need to purchase additional vent pipe or a drain line depending on your installation. Can I install it myself?
• Securing a vent stack (vertical through the roof or wall)
• Possibly drilling a small drain hole if not evaporating liquids
• Connecting to power (for standard Excel)
We also recommend reading the manual or watching installation videos beforehand. How is it different from other composting toilets?
• It’s self-contained (no separate compost chamber)
• It has the patented Bio-Drum™ for faster, more complete composting
• It’s NSF-certified and used widely in North America
• It's low-maintenance and proven for off-grid use
Best Price Guarantee!
Best Price Guarantee
You'll get the best price available at Wild Oak Trail! We'll match anyone who has it lower!
We love to chat! Give us a call and we'll see what we can do to get you the best deal!
Conditions of our 100% Price Match Guarantee:
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Contact us to discuss the Price Match so we can look up the competitors price
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Buy one, get one free offers and Rebates are not eligible
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The item must be in stock on the competitors website
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The competitor must be an online store, not a retail location
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The website can't be a discounter or auction website ( such as eBay, overstock, etc.)
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The company must be an Authorized Retailer of the product in question
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The Price Match Guarantee is based on the final price of the product including shipping and taxes
Why Buy From Us
Why Buy From Wild Oak Trail?
We’re a family-run business. My Wife Hailey and I run this business with our small staff of 3 awesome people. When you shop with Wild Oak Trail, you're supporting real people, not a big corporation.
We truly care. We’re here before, during, and after your purchase. Good products and great service—that’s how we earn your trust. We see and celebrate EVERY sale that comes in!
We choose quality. If we wouldn’t use it ourselves, we won’t offer it. Our goal is to make you happy enough to tell your friends.
Thanks for supporting our family and being part of the Wild Oak Trail community!