You could be losing money in energy bills simply because of draughts. Home and office insulation and draught proofing to save money. They do this by reducing the amount of heat which is lost from your building. Ventilation in the home is good as it helps to keep the air clean. However these need to be controlled rather than letting air come and go as it pleases. Gaps produce draughts which you have no control over. This means the amount of energy needed to heat your home increases.