Since you have two very small children at home you need to be careful about the kind of air that they breathe. Without a home air purifier how are you going to ensure this? There is no point feeling bad when they get cough and colds all the time. This only proves that they are not able to breathe air that is pure. You need to think of your family first. Do not therefore delay about buying a home air purifier. You will be happy you did, when you see your children free from illnesses.