MRCOOL® Hyper Heat 18K Mini Split Complete DIY Bundle – 5th Gen (230V) — DIYHH-18
PRODUCT DESCRIPTION MRCOOL DIYHH-18 Hyper Heat 18K Complete DIY Mini Split Bundle (230V) Model bundle: MRD-DIYHH18-WM18-25 Introducing New 2025 the newest generation of true cold-climate MRCOOL® comfort—the DIYHH-18 Hyper Heat 18K Mini Split. This 5th Gen system delivers powerful year-round performance, pushing full heating output down to -22°F, something standard mini-splits simply cannot achieve. Designed specifically for homeowners and installers who want a reliable DIY 18K Hyper Heat condenser, this bundle uses the No-Vac® QuickConnect® pre-charged line set, eliminating the need for vacuum pumps, refrigerant handling, EPA certification, or special tools. This 18,000 BTU single-zone system efficiently heats and cools up to 800 sq ft, making it ideal for garages, bonus rooms, apartments, basements, shops, master bedrooms, offices, cabins, or outbuildings. The advanced Hyper Heat inverter technology dynamically adjusts compressor RPM to maintain stable performance in extreme weather