When it comes to purchasing a new air conditioning unit, many people are unsure how much they should expect to spend. Air conditioners can range in price from a few hundred dollars to more than $1,000, so it's important to know what to look for when shopping. One of the most important factors to consider when buying an air conditioner is its size. The unit should be large enough to cool the entire space but not so large that it wastes energy. Another factor to consider is the type of air conditioner. Window units are typically less expensive than central air conditioning systems, but they also have lower efficiency ratings. When shopping for a new air conditioner, it's important to compare the energy efficiency ratings of different models. The higher the rating, the less energy the unit will use, and the lower your electricity bills will be. You should also consider the noise level of different units. Some air conditioners are louder than others. Finally, be sure to factor in installation costs when budgeting for a new air conditioner. Professional installation can cost several hundred dollars, depending on the type of unit and the complexity of the installation.