Lutron Dimmers.
1000w neutral dimmer. (rrd-10nd-xx)
This could be partnered with other components of the Lutron system to dim lights up to 1000 watts total load.
Contact us for pricing details
You can also call us at 832-605-6924, or send an email to sales [AT] onelighthouse.com (Substitute [AT] for the actual @ symbol)