Garnet-T Dimensions 17-7/8" 15-3/8" 23-5/8" Shown in black finish Don’t let its size fool you—the Garnet-T is a champion. It’s a little heater with a big heart. A diminutive footprint and impressive design features combine to make this smallest member of the Quadra-Fire family perfect for the bedroom, den or dining room. The Garnet-T is designed to be both attractive and economical, devoted to the zone heating concept—heat the space you’re in, not the entire house.