Advanced Onsite Solutions, LLC

Innovative wastewater solutions with sustainable results

Advanced Onsite Solutions LLC (AOS) serves both the residential and commercial markets, developing innovative solutions for handling onsite wastewater. Gary Spaulding, Principal, has more than 25 years experience working with consultants, homeowners, designers, and contractors in the wastewater and site planning industries. AOS strives to represent the best available technology, and we work closely with homeowners and contractors to assure that our designs and products are installed properly and perform as designed.

The Clean Solution™

An aerated pre-treatment system that produces effluent dramatically cleaner than traditional septic systems.

See the Difference

Frequently asked questions

How much noise does the air compressor make? Do I need an effluent pump? Answers to these and many more...


"Build Green"

AOS is part of a Build Green Lake Sunapee alliance. A network of professionals who believe that Building Green is the way of the future.

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