Carefully Inspect The Ceiling for Damage and Eliminate Them. Install Plastic Windows in the Room. They Will Best Keep Warm in Your Room. The Window Canen Not only the Standard Shape. For a room in the Attic, Aven, Even The Most Daring and Unusual Options for Forms Are Suitable. Warm the Walls. For this, you can, for example, use glass wool. She Will Hold Heat Perfectly and Will Not Let in the Cold from the Street.