Muti-zone mini split systems are designed to address whole-house heating & cooling. They often consist of the one or two condensers outside, each hooked by refrigerant lines to an air handler, perhaps one per room, or sometime with a single air handler serving two adjacent spaces. Multi-zone systems can be complex, and are more expensive than single zones as well, with a system for every home, regardless of size or location!
A multi-zone mini-split system may heat or cool numerous rooms or zones within a structure, providing greater flexibility and control. In contrast, a single-zone mini-split system is designed for heating or cooling a single room or area.
When deciding which single zone mini split is best for your space, start by getting an accurate square footage measurement. Allow 1 Ton per 500 square feet as a good rule of thumb for sizing. So, if the space is 750 square feet, think 18K BTU or 1 1/2 Tons. Then work down a checklist: Are there any other factors involved in either cooling or heating the space? Are there more windows than normal? Are there glass doors or skylights? How old is the building or home? What is the insulation like? Am I living in winter weather regularly below zero? This will never result in any short-cycling or strain on your system. Quite the opposite: your ACiQ mini split will run more efficiently because of your careful calculations.
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