NSF Certified
Sun-Mar Excel Composting Toilet
The Industry Standard for Self-Contained Composting Toilets
Industry-Leading Performance
The Sun-Mar Excel is the first and only self-contained composting toilet to receive NSF certification. After 6 months of rigorous testing, it earned the industry's highest standard for safety and performance.
Proven Specifications
3-6
Full-Time Users
100%
Odorless Operation
15+
Years Proven Reliability
#1
Best-Selling Model
Why Choose the Sun-Mar Excel
-
NSF Certified Safety & PerformanceThe only self-contained composting toilet to pass rigorous NSF testing standards
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100% Odorless OperationContinuous electric fan and thermostat-controlled heater ensure perfect conditions
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High Capacity DesignHandles 3 full-time users or 6 part-time users with 3-4 month emptying intervals
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Energy EfficientOnly 150W average consumption - less than two light bulbs
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Complete PackageEverything needed for installation included - no additional purchases required
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Proven Reliability15+ years of proven performance with thousands of satisfied customers
Technical Specifications
| Specification | Details |
|---|---|
| Dimensions (W×D×H) | 22" × 33" × 28" |
| Weight | 75 lbs |
| User Capacity | 3 full-time, 6 part-time |
| Power Requirements | 110V, 150W average, 2.4A max |
| Fan | 35W continuous operation |
| Heater | 250W thermostat-controlled |
| Emptying Frequency | Every 3-4 months (3 users) |
| Certification | NSF Standard 41 |
| Warranty | 3 years parts, 25 years bowl |
Complete Package Includes:
- Sun-Mar Excel Composting Toilet Unit
- 4" Vent Kit with External Vent Cap
- 110V Electrical Connection Kit
- Peat Moss Starter Supply
- Complete Installation Hardware
- Comprehensive User Manual
- Warranty Documentation
- Customer Support Access
Customer Reviews
* * * * *
"We've had our Excel for over 6 years now and it's been absolutely perfect. No odors, easy maintenance, and completely reliable. Best investment we made for our cabin."
* * * * *
"The NSF certification was important to us for safety. Installation was straightforward and it's been working flawlessly for 3 years. Highly recommend."
* * * * *
"Excellent build quality and performance. The electric fan keeps everything odor-free and the capacity is perfect for our family of 4."
Why Choose ShopTinyHouses.com
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Authorized DealerOfficial Sun-Mar authorization with full warranty support
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Expert SupportFamily-owned business with 10+ years of industry expertise
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Best Price GuaranteeFind it cheaper elsewhere? We'll match the price
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Free ShippingComplimentary shipping to all Lower 48 states
Your Purchase is Protected
We stand behind every Sun-Mar Excel with comprehensive guarantees and support.
- 30-day satisfaction guarantee
- Full manufacturer warranty coverage
- Expert installation support
- Lifetime customer service
Ready to Experience NSF-Certified Performance?
Join thousands who chose the industry-leading Sun-Mar Excel for reliable, odorless composting toilet performance.
$1,695.00
In Stock - Ships Free
Order Your Sun-Mar Excel Today
This product is typically shipped within 7-10 business days..
You can see our shipping and returns policy by clicking here.
Price Guarantee
We care about our customers and want to offer the best prices available for our top notch products. We have a close working relationship with all of our vendors and as such, we get to offer the most competitive prices in the market. However, if you find a company that is offering a lower price within 5 days of your purchase date, please let us know! We will gladly refund you the difference.
Simply e-mail us a link of the same product you've found at the lower price within 5 days of your purchase and we'll process the partial refund right away.
Conditions of our 100% Price Match Guarantee:
- The item must be purchased from us before we can match it
- The item must display the "Price Match Guarantee" banner on the product page.
- Buy one, get one free offers and rebates are not eligible
- The item must be in stock on the competitors website
- The competitor must be an online store, not a retail location
- The website can't be a discounter or auction website ( such as eBay, overstock, Amazon, etc.)
- The company must be an Authorized Retailer of the product in question
- The Price Match Guarantee includes the total item price (including shipping and tax).
If you have any questions please don't hesitate to contact us. As always, we're happy to hear from you!
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I have owned this for over 6 years and can't believe how easy it is to use, clean and maintain.