700 watt space heaters seem pretty common. I’d expect the heat produced by 700 watts of LEDs to be just a tiny bit less than the space heaters (as some of the e

700 watt space heaters seem pretty common. I’d expect the heat produced by 700 watts of LEDs to be just a tiny bit less than the space heaters (as some of the energy will sneak out the window, photons being sneaky fellows).