ESC provides a limited warranty of its emissions reduction device for one (1) year.

Emissions Science Corporation also has a 30-day no questions asked full refund if you are not happy with our product for any reason, you can send it back with proof of purchase.

DLS Electronic Systems tests with modern equipment have shown the emissions reduction device does not produce any detectable harmful emissions or effects.

Print and access the Emissions Science Corporation US/Canada Warranty Policy below.

Warranty Registration

Click here to register your device for warranty support