The Dartmouth packs a powerful heating solution into a compact, attractive unit. Concealed furniture quality casters mobilize this potent heater allowing you to warm up 1000 square feet in any room that you choose, while traditional design features like the subtly rounded corners allow it to blend in with any style palette. This heater comes fully-assembled and ready to heat, so all you have to do is plug it in to enjoy its warmth. 5200BTUs. Black.