The old adage ‘You get what you pay for’ exists for a reason. The dearer
units such Daikin are generally (not always) more efficient and or
quieter. They also go together better and give you a better finished
product. This translates to easier servicing should the need arise which
in my opinion makes the additional purchase costs worth considering.
However, some of the cheaper brands provide excellent value for money
and offer very good performance. Final decisions should be based on
specific unit performance and value for money. There is very little
difference between the mainstream and top units sold these days. It's
only in the very cheap units that quality begins to suffer.
