Chimella chimney draught excluderquick and effortless this chimney umbrella could be the simplest and most cost effective step you take to save energy in your home you could save up to 200 per chimney per year with this simple toolessentially an upside down umbrella this is the must have accessory for every open grate fireplace if you think of your fireplace as essentially a forgotten open window in your house it is actually one of the biggest contributors to heat and energy loss in the h