Size 16" W x 12.5" H x 9.4" D which is suitable for free standing in small and large existing openings or cabinet. No installation is needed, just plug it in and place it into the opening. No ventilation clearance required. Heater & Thermostat: 750W and 1500W heating modes could be set at your need, 9 settings are included in thermostat. The flame could be used with or without heating. Use the simplified control panel to adjust the temperature and enjoy a toasty feel. Realistic Flame Effect: The realistic log set and ember bed project flames onto the mirage flame panel and gives a real fire feel all year long. Safety Protection: With a thermostat, the fireplace heater will automatically shuts the heater off when it gets too hot. It is almost silent when it is working, so it will not disturb your study or rest. CSA certified.