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About Us

Willexa Energy, LLC is headquartered in Charlotte, North Carolina. Our regenerative siloxane and VOC reduction systems have revolutionized the biogas industry.  We offer equipment, media, parts and service for biogas treatment systems,  specializing in siloxane & VOC reduction for biogas to energy and renewable natural gas (RNG) developers and operators.


We are the North American market leader in regenerative siloxane & VOC removal for the landfill and digester gas industries. Our engineers invented the regenerative siloxane removal system and are directly responsible for more than 50 systems in operation from coast to coast over the past 20 years.


With more than 25 years of experience in gas purification and the longest and most successful history of any regenerative siloxane removal provider, our reputation for providing reliable and cost effective biogas treatment solutions is unmatched in the industry. No other manufacturer can match the confident, guaranteed performance we offer.

Whether you are looking to install or upgrade a gas treatment system for a landfill gas, digester gas, or any other gas to energy or upgrading project, we will ensure your system is successful, reliable, on time, and on budget. For further information on our company or any of our products and services, please contact us.

Siloxane Removal System Installations in the US / USA - Top Manufacturer
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