Many things are considered when you buy a new heater or air conditioner. You need to think about if you actually want the device. The investment is costly and a long-term investment. A typical HVAC unit will last over ten years. You also have to clean, service and invest in replacement parts. Buying a new HVAC unit is not a small task. You need to make sure you get the right one. What should you think about when buying a heating or cooling system? Think about the weather for your area. There are a lot of different types of climates in the U.S. Because of the climates we have different types of heating and cooling systems. Areas with high temperature most of the year get high velocity air conditioning. The air conditioner quickly can lower the temperature by transferring the air around. Areas in the north will get snow and below freezing temperatures. These locations look at heavy duty heating like boilers and dual fuel systems. A location with moderate temperature ranges can purchase a heat pump system. This heating and cooling unit can move heat energy already in the air. Only moderate temperatures will benefit from it however. Think about what you need for your type of weather. Get the system that works for your average temperature year around. The last thing you want to get is an air conditioner will too high of cooling capabilities or a heater that cannot heat your home adequately. It is best to contact a HVAC business and get a second opinion on your expensive purchase.