Mini Split Line Set Size Chart: The Pro Sizing Secrets DIYers Almost Always Miss

showing how to choose the right mini split line set size, featuring an HVAC technician measuring refrigerant lines on a mini split system, a step-by-step sizing process, a BTU sizing chart for 9,000 to 48,000 BTU classes with suction and liquid line diameters, brand-spec verification guidance, and refrigerant charge adjustments that many installers skip.

You picked the unit and the wall. Then somebody asked how far the condenser can sit from the indoor head, and the answer came back as four different numbers. At ACTuneupPros.com, we hear this more often than you would think. Homeowners read one maximum, see a bigger number elsewhere, and assume the bigger one is … Read more