Speedheat RugBuddy 365 under Rug Space Heater (6' 9" x 4' 10") Can now be safely and simply installed either side down Plug-in comfort and warmth at your feet over tile, wood, vinyl and carpeted floors Invisible: Fits snugly under a 5' x 7' area rug. Save energy by only heating the rooms you are using. Safe: No risk of fire or shock.