When you need to add some extra heat indoors, we have a selection of portable and permanent solutions from Mr. Heater, Seasons Comfort, Duraflame, QMark, Dimplex and Sunheat. Radiant cove heaters heat from the top down, while baseboard heaters heat from the bottom up. Install a QMark electric wall heater for a permanent heat source. For portable heat, try a utility, infrared or ceramic heater. Mr. Heater has ventless gas and indoor/outdoor portable buddy heaters perfect for additional indoor heating. Electric stoves produce heat with a realistic flame effect.