A question I pose to the attendees of each mini split class I conduct is: Can you oversize an inverter ductless mini split system? Before you start writing your reply to what ...

Mini-split cost A new ductless system tends to cost about $3,000 for a 12,000 BTU system. You can end up spending thousands of dollars more for a large system or a complicated house.

Mini-split systems have been gaining in popularity in recent years because of their energy efficiency, size, ease of installation and the ability to zone the different areas of the house.

The hidden costs of having a mini-split heating and air-conditioning system Air quality experts say units collect dust and mold and can be expensive to clean.