MULTI-ZONE HEATING AND COOLING – Our 3-zone DIY multi-zone ductless mini split system heating and cooling allows you to heat and cool up 3 rooms at a time. It can even heat when the temperature ...

As of the time of writing, the MRCOOL DIY 4-Zone Ductless Mini-Split Heat Pump is priced from $4,500 to $8,000 before tax. The prices vary depending on lengths of line sets and heating/cooling ...

For instance, the MRCOOL DIY 4-Zone 36,000-BTU mini split has the SEER2 of 21.5, EER2 of 10.5, HSPF2 of 8.8, and heating COP of 2; The HSPF2 is lower than 9.5, so you can’t claim tax credit for this ...