Dimplex Open Hearth Electric logs give an unused fireplace a breath of new life. Dimplex has created a LED Flame technology which creates the illusion of a true fire with pulsating embers all controlled with a easy on off remote control. Electric heating offers many benefits, especially when it comes to installation, Electric fireboxes are not restricted to a chimney or flue system. The Optimist Open Hearth Logs use ultrasonic technology to create smoke and flame effect, the light reflects with the mist, the result is a realist flame effect with no heat. Contact us.