Is it less expensive to run at 240V?

The power converters in our new PhytoMAX-2 LED grow lights are a bit more efficient at 240 volts than at 120, so they are slightly less expensive to run at 240V. Using 240V circuits may also save you money if you're installing circuits for the first time. Check out our blog entry on running our LED grow lights at 120 or 240 volts for a thorough explanation of the issues.