ArticleIFY The Complete Guide to Choosing the Perfect 18000 BTU Mini Split Unit for Your Home 1. Understanding BTU and Its Importance in Choosing a Mini Split Unit 1.1 What is BTU and Why is it Important? BTU (British Thermal Unit) is a unit of measurement used to determine the heating and cooling capacity of air conditioning systems. It measures the amount of energy required to raise or lower the temperature […] The Complete Guide to Choosing the Perfect 18000 BTU Mini Split Unit for Your Home Articleify Desk