There are many things in the world, so we don’t always take the time to really focus on what they are or how they work. Most of the time, we are too busy to worry about how exactly pushing on a pedal or flipping a switch makes something do something. We know there is a good reason for how these things work, but we don’t need to figure out why. However, sometimes not understanding how something works can lead to misuse. In a simple example, if a person doesn’t understand that they need gas to make a car work, they wouldn’t get very far. Your HVAC system is no different. Well, it doesn’t take gasoline to work like your car, but your HVAC system does require some understanding in order for it to operate at its best. For starters, it is important to limit the wear and tear on our heating and cooling system. This means finding any kind of way to limit how much our HVAC system runs. The more we are running our AC, or the more we are running our furnace, the more work our HVAC equipment is doing. Odds are, the more our heating and cooling system is being used, the sooner it will break down and need a service technician to fix the problem. One of the best methods for protecting the longevity of your furnace and air conditioner system is to install a programmable thermostat. Once one of these thermostats is installed, it can cut HVAC usage dramatically, saving one money on energy bills and costly repairs.