🧊 Why Proper AC Unit Sizing Matters for Comfort, Efficiency, and System Longevity This article started with a simple conversation, and a very common assumption. A friend was telling me about a new AC installation at his home and explained that even though the space only required a certain size unit, he chose to double it to be safe. His logic made sense on the surface. In reality, it’s exactly how many comfort and moisture problems begin. Choosing the right size air conditio