Use Tin Foil to Keep the House Warm

The warmth from a heater will bleed out into the walls of a house no matter how high the setting. So, to keep the house warm, add tinfoil to the wall. This will reflect the warmth back into the interior space.
The warmth from a heater will bleed out into the walls of a house no matter how high the setting. So, to keep the house warm, add tinfoil to the wall. This will reflect the warmth back into the interior space.