Leaders in optimizing
HVAC performance
greenfan® Products and Services
“In reality, studies show that investments to spur renewable energy and boost energy efficiency generate far more jobs than oil and coal.”
— Jeff Goodell
Frequently Asked Questions
How can I pay using ACH?
Good news! We now accept ACH payments directly in our checkout for a smoother and more secure payment experience.
What are the energy savings benefits of greenfan products?
greenfan® products, such as the Smart Fan Controller (SFC) and e-wire™, help reduce energy consumption by optimizing HVAC performance.
The SFC reduces power consumption by extending off-cycle times, while the e-wire™ adapter saves between 4 and 17 kWh annually—helping lower energy costs and your carbon footprint.
The SFC reduces power consumption by extending off-cycle times, while the e-wire™ adapter saves between 4 and 17 kWh annually—helping lower energy costs and your carbon footprint.
Are greenfan® products easy to install?
Yes! greenfan® products, including the SFC and e-wire™, are designed for easy installation. The e-wire™ adapter is especially convenient for homes without a common wire, making smart thermostat installations easier.
For step-by-step instructions, see the manuals in our website’s Resources section, scan the product QR code, or contact customer support.
For step-by-step instructions, see the manuals in our website’s Resources section, scan the product QR code, or contact customer support.
What warranty do greenfan® products come with?
greenfan® products include a 5-year warranty covering defects—applies to the Smart Fan Controller (SFC), Occupancy Fan Controller (OFC), e-wire™ common-wire adapter, etc. If you encounter any issues, please don’t hesitate to contact our customer support. The contact page can be found below.
Are greenfan® products compatible with my HVAC system?
Yes. greenfan® products are compatible with most systems, including air conditioners, gas furnaces, heat pumps, and hydronic systems. The SFC and e-wire™ integrate seamlessly for efficiency and comfort.
How do I contact greenfan® customer support?
Visit our Contact Us page for our phone number, email address, and a contact form. The contact page can be found below. We’re here to help!





