if you dont need very long pipes and if your building is not a very big one, probably multi split will be chipper. There are no other difference. Both are frequency controlled and aproximately have the same efficiens. On the other way if your building is a big one we should study on more...
your application and bands are very ordinary. you may choose the chipest one. the main point of your problem may be the after sales services. because your requirements are not problem.if you are not in USA but in a european country an italian may be the chipest. liebert also have a factory in...
