About Us

eFlow USA

eFlow USA, the premier direct supplier of CONSTANT AIRFLOW REGULATORS for homes, multi-family dwellings, hotels, schools and ALL commercial applications.

eFlow USA is certified as a Women’s Business Enterprise (WBE) through the Women’s Business Enterprise National Council (WBENC).

We recognize the commitment to supplier diversity that is embraced by corporations and government agencies today, and we can add diversity to your supply chain.

We provides Economical-Efficient-Easy Flow of our product directly to our customers. If you require Constant Airflow Regulation in the heating and ventilation of your building, eFlow USA has all that you need. Our Constant Airflow regulators are available throughout United States and we ship Worldwide. Our unbeatable / affordable prices, easy online ordering process and time efficient delivery will ensure your commercial and residential buildings have efficient airflow systems, good air quality and meet the latest mechanical code requirements. Our dedicated technical support is available 7 days a week.  All eFlow USA products come with a 6 year warranty so that you can rest assured that our Constant Airflow Regulators and other products offer the best solution at the best price.


1-833-FLOW-USA or 1-833-356-9872