Nowadays we have many of different alternatives to try in that case, so You should choose the best one.
When You're living in separate house You have to insulate every wall
first, cause probably they're porous. You may do it from the inside and outside, second option is perfect in case of not vintage buildings. You may choose really stylish panels to cover external layers of house, it'll refresh it and insulate. When You're dwelling in an apartMEN
t or really vintage house the only option to insulate the interior is from the inside. Fortunately now You can purchase modern materials which may protect each wall from loosing the heat, You will have even two times smaller bills for heating because of that! But before You even begin to insulate every surface maybe You should replace the windows for new models. Cause old, wooden ones are very leaky and loosing plenty of heat during the winter. In case of old house You will probably have to refresh the roof by replacing the tiles for modern one. Doesn't matter if You want to protect the wall of just replace the windows You will need to arrange decent group
of workers to aid You with renovation. Most of companies nowadays have official web
pages where You may find an offer.