MRCOOL DIY 5th Gen Hyper Heat 18,000 BTU 5th Gen Mini Split - R454B - 230V

Description

MRCOOL DIY Hyper Heat 18,000 BTU 5th Gen Mini Split System - R454B - 230V 

Powerful cold-climate comfort with the convenience of true DIY® installation. The MRCOOL DIY Hyper Heat 18000 BTU Single-Zone Mini-Split System includes both the outdoor condenser and matching wall-mounted air handler, providing a complete heating and cooling solution for spaces up to 800 sq. ft.

Designed for demanding climates, this system provides dependable heating in outdoor temperatures as low as -22°F and efficient cooling up to 122°F. The included 25 ft. pre-charged No-Vac® QuickConnect® line set and durable DIYPRO® armored cable simplify installation, while smart controls, quiet operation, and advanced comfort modes make it a strong choice for year-round home comfort.

• Complete Single-Zone System: Includes the 18K Hyper Heat outdoor condenser and matching wall-mounted air handler for a complete, properly matched heating and cooling system.
• Hyper Heat Performance: Delivers dependable heating in outdoor temperatures as low as -22°F and reliable cooling in temperatures up to 122°F, making it ideal for regions with harsh winters and hot summers.
• DIY® Installation: The included 25 ft. No-Vac® QuickConnect® line set arrives pre-charged with R-454B refrigerant. No vacuum pump, manifold gauges, refrigerant charging, or specialized HVAC tools are required.
• Room-Size Coverage: Designed for spaces up to 800 sq. ft., including large bedrooms, home offices, studios, workshops, finished basements, and bonus rooms.
• Wall-Mounted Air Handler: Provides quiet operation and even airflow distribution, with comfort features including Turbo mode, Auto mode, Sleep mode, and louver-position memory.
• Gold Fin® Protection: The corrosion-resistant coating helps protect the outdoor condenser from moisture, salt air, and environmental exposure for dependable long-term performance.
• DIYPRO® Armored Cable: Provides a durable alternative to traditional electrical conduit, helping protect the wiring from weather, pests, landscaping equipment, and outdoor damage.
• Smart Control Compatibility: Control the system using the included remote, the SmartHVAC app, or compatible voice commands through Amazon Alexa and Google Assistant.
• Energy-Saving Features: Auto mode, Sleep mode, Turbo mode, programmable timers, and Follow Me® technology help maintain personalized comfort while reducing unnecessary energy use.
• Auto Restart: Automatically restores the previous operating settings following a power interruption, helping maintain consistent comfort without manual reprogramming.
• Premium Warranty Coverage: Backed by a 7-year compressor warranty and a 5-year parts warranty.

Specifications

Capacity & Performance

Dimensions & Weight

Electrical Requirements

Refrigerant & Piping

Features

Certifications

Warranty

What’s Included in the Box

• Outdoor Condenser DIYHH-18-HP-C-230D25-O

• Indoor Air handler DIY-18-HP-WMAH-230D25-O

• 25-foot DIY® QuickConnect® line set

• DIYPRO® cable

• Wi-Fi SmartHVAC Control Module

• Remote

• Installation Manuals & Warranty Documents

Documents

Brochure

Install Manual 

Warranty Doc