The primary contributor to cost in any air conditioning installation is the equipment. When it comes to package and split, it’s similar to the difference between buying a truck or buying a car and a trailer. With a truck, you might sacrifice passenger space and comfort for towing power and loading capacity. With a car and trailer, you have some more options but where do you park the trailer?
Indoor Air Quality is a tough problem to solve. Although to a much lesser extent, it’s a tough problem even in your home. Even if you buy every product that exists, you are still going to have some inefficiencies and decisions to make.