Cedar Ridge Hearth Recon 24-in 32,000-BTU Dual-Burner Vent-Free Gas Fireplace Logs with Thermostat 32,000 BTU Heats up to 1,200 sq. ft 1 Unit operates off Natural Gas or Liquid Propane Thermostatic Control  Variable heat settings allows you to set the thermostat to your ideal comfort leve 9 hand painted realistic looking concrete logs No electricity required to operate