Many people choose a greenhouse cooling system based solely on how much money they have to spend on it. However, the initial price of a system is only part of its cost. For many systems, there are also maintenance costs. This should be taken into consideration when choosing a greenhouse fogger. In addition, a person should think about whether a cooling system will improve their production. If it does increase production, it can pay for itself in increased sales of fruits and vegetables. One type of system which does this quite consistently is a fogger with small droplet sizes. Therefore, this type of system provides the best return on a person’s investment.