Seal the switch and outlet with insulating foam washer.

Believe it or not, your wall outlets and switches are bold: you put in a lot of indoor air through the sockets and switches on the exterior walls of your house. But there is a super cheap solution: pre cut insulating foam gaskets can be sold for less than a dollar, installation is a simple DIY job - all you need is a screwdriver.

Turn off the power to the socket or switch to be inserted, and then remove the panel with a screwdriver. Place the washer on the inside of the panel. Then screw the panel back into the socket and see - energy saving is yours.

Curtain is a kind of beautiful decoration, they are also convenient to save energy. Curtains with thermal insulation block cold lawns in winter to prevent heat loss from windows.

The floor has the best effect on the ceiling fabric, especially if folded on the wall. This makes the draft trapped behind the curtains rather than seeping into your room.

Depending on the brand and material type, a 52 x 84 inch pair of hot Interlinings costs less than $70. Your choice is unlimited - a variety of colors and patterns are available.