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Models: Excel NE Installed 2001
Location: Installed in residence in CO
Reviewed By: Louise Constable


I needed a sanitation answer to a problem, and got it in my non-electric unit. I was building a home on 43 very rural acres in southern Colorado, and had no electricity, septic, or anything. I installed my composting toilet in my storage shed, but now, 1 year later, still use it most of the time. I know it will add years to the life of my septic system, and I enjoy my morning walk to the shed.
Composting toilet review of Sun-Mar Excel NE installed in residence in CO

Models: Excel NE Installed 1998
Location: Installed at residence, Floyd, VA
Reviewed By: Bob Grubel


Been working fine - it has been a bonus in this household, particularly for my flower beds!

Composting toilet review of Sun-Mar Excel NE installed in residence in Floyd, VA

Models: Excel NE & Centrex 2000 NE
Location: Installed in residence in HI
Reviewed By: Lawson Cannon, DC


Although I live near an urban area, with city utilities available, as a social and environmental statement I choose to live "off the grid" with solar power and recycled waste. I process my blackwater with Sun-Mar's Centrex 2000 NE composting toilet system. I started with another manufacturer's product, but it failed within a few months. I have enjoyed my Sun-Mar system for 5 years now. I appreciate its simplicity and reliability. I am able to process waste from 3 low-flush toilets that feed the biodrum which is located in a walk-in space under the house. The staff at Sun-Mar has been extremely knowledgeable and helpful. When small problems arise they offer expert advice at no charge and supplies at a reasonable fee. In fact, I am so pleased with Sun-Mar's products and service that when I built a guest cottage, I installed a Sun-Mar Excel NE whose performance is flawless. Thank you so much for your fine products, friendly service, and longstanding dedication to living in harmony with Mother Earth.

Lawson Cannon, DC
Honululu, Hawaii

Composting toilet review of Sun-Mar Excel NE installed in residence in HI

Models: Excel NE Installed 1997
Location: Installed in CA Delta
Reviewed By: Russell Lukey


Excerpt from Letter from Russell, July 18 1997:
It was a pleasure meeting you (Sun-Mar employee) at SolFest in Hopland and wish you continued success.
I am enclosing some pictures of our place in the Calif. Delta and of the installation of the toilet.

Russell Lukey

Composting toilet review of Sun-Mar Excel NE installed in CA Delta

Models: Excel NE Installed 1999
Location: Installed at vacation property in WI
Reviewed By: Elizabeth Vis


Dear Sirs:
We purchased the ExcelNE in March of 1999. We have installed it in an outdoor style outhouse. We do a lot of camping at our property and got sick of carrying a port-a-potty back with us to be disposed of, which is a smelly chore. We could have put in a real outdoor style toilet but did not want the constant smell that is associated with outdoor toilets. With the SunMar we can enjoy a smell free process and the compost is recycled to the surrounding woods without worry of smell or contamination of the environment.

There is little maintenance involved. In the spring, we add moisture, compost and microbe mix to begin the season. We have been very happy with our composting toilet.

Composting toilet review of Sun-Mar Excel NE installed at a vacation property in WI

Models: Excel NE Installed 2000
Location: Installed at cabin in Cecilville, CA
Reviewed By: Joe Dougherty


A breeze to install/set-up. Absolutely odor free! Everyone loves it. Occasional use, sometimes heavy (6+ people). Only had to empty it once so far - second year of use.



Composting toilet review of Sun-Mar Excel NE installed at a cabin in Cecilville, CA

Models: Excel NE Installed 2000
Location: Installed at cottage in St. Louis County, MN
Reviewed By: Philip Rodberg


Very much appreciate unit after many years of the typical "Out House". The unit is very simple to use and we have only unloaded the compost one time in 3 summers of use.














Composting toilet review of Sun-Mar Excel NE installed at a cottage in St. Louis County, MN

Models: Excel NE Installed 1994 to 1997
Location: Installed at Omagaki Wilderness Lodge, Ottawa Valley, ON
Reviewed By:
Deidre Billes


Deidre Billes of Omagaki Wilderness Lodge was so pleased with her first Excel-NE that she now has more than ten in operation at the camp. Omagaki entertains hundreds of visitors every season at their beautiful remote location in the Ottawa valley which runs entirely on solar energy.

Deidre is "very satisfied with the performance of the units" and likes the fact that her toilet facilities are never going to destroy her business' most precious resource - nature!





Composting toilet review of Sun-Mar Excel NE installed at Omagaki Wilderness Lodge, Ottawa Valley, ON

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