MRCOOL® Hyper Heat 18K Single Zone DIY Mini Split Bundle (230V) — MRD-DIYHH18-WM18-25

Product Description   Model: MRD-DIYHH18-WM18-25 Introducing what’s  New 2025 This is the first official MRCOOL 5th Gen DIY Hyper Heat 18K Mini split system available direct to consumer, engineered specifically for installs down to -22°F. The MRCOOL DIYHH-18 Hyper Heat 18K bundle combines the DIYHH-18 condenser and the DIY-18-HP-WMAH-230D25-O wall mount air handler into a complete single zone system designed specifically for true homeowner installation. HVAC buyers search for diyhh-18, diy hyper heat 18k, mr cool  18k outside unit, and 5th gen diy condenser because this system is the first DIY Hyper Heat solution capable of maintaining real -22°F heating performance without professional tools, gauges, vacuum pumps, or refrigerant handling. This bundle delivers genuine contractor-grade results with factory-sealed QuickConnect® R-454B line sets, inverter technology, and seamless smart control. WORKS WITH:✔ DIY-18-HP-WMAH-230D25-O Wall Mount Air Handler✔ DIYCASSETTE18HP-230D25-O OuttaSig