The importance of having a working and fully operational heating and cooling system cannot be underestimated. The air conditioners provides us with a cool working atmosphere when it is very hot. If you have ever worked in an office where there is no air conditioner on a hot day then you understand exactly how difficult and uncomfortable it can be. The air conditioner provides a certain comfort that nothing else can provide in an office during a hot day. A furnace is also very important to us especially in our homes. When the winter season comes, we all need to be in the warmest place possible and in most cases it is usually our houses. The furnace and other heating systems provides us with enough warmth to keep us going. The house becomes even more comfortable to stay in if there is a furnace. The importance of a fully operational heating and cooling system is evident and it is the duty of every home owner to ensure that his or her home has a working system. Having said that, it does