MRCOOL 12,000 BTU DIY 5th Gen Energy Star 23.5 SEER2 Ductless Mini Split Heat Pump System - R454B - 115V

Overview

MRCOOL DIY 5th Gen E Star 12,000 BTU 23.5 SEER2 Ductless Mini Split Heat Pump System - R454B - 115V

Enhance year-round heating and cooling comfort with the MRCOOL® DIY® 5th Gen 12K BTU Single Zone Mini-Split System, engineered to efficiently regulate temperatures in spaces 350–500 sq. ft. Designed specifically for homeowner installation, this Energy Star® certified system simplifies traditional HVAC setup without sacrificing professional performance. The included 25 ft. QuickConnect® pre-charged line set and durable DIYPRO® cable streamline installation, while flexible wireless controls allow you to manage heating and cooling using the SmartHVAC app, handheld remote, or voice assistants.

Built for dependable operation and high efficiency in every season, this system combines advanced inverter technology with rugged construction to deliver consistent climate control year-round. Supported by strong warranty coverage and MRCOOL’s trusted engineering, it provides reliable heating and cooling performance without the cost or inconvenience of professional installation.

Why Choose the MRCOOL® DIY® 5th Gen Mini-Split?

• America’s Leading DIY Mini-Split Brand: Built specifically for homeowner installation, helping you save on professional HVAC installation costs without requiring specialized tools or previous experience.
• Pre-Charged QuickConnect® Line Set: The included line set arrives pre-charged with R-454B refrigerant, eliminating the need for vacuuming, gauges, or refrigerant handling.
• Lower-GWP R-454B Refrigerant: Uses a more environmentally responsible refrigerant with a lower Global Warming Potential than older refrigerants such as R-410A.
• Durable DIYPRO® Cable: Provides added protection against weather, outdoor exposure, and wildlife while eliminating the need for traditional electrical conduit.
• Industry-Leading Energy Efficiency: The MRCOOL® DIY® 5th Gen delivers some of the highest efficiency ratings available in the DIY mini-split category, helping reduce energy consumption and monthly heating and cooling costs while maintaining reliable year-round comfort.
• Multiple Control Options: Adjust the temperature using the included remote, the SmartHVAC app for Apple and Android devices, or voice commands through Amazon Alexa and Google Assistant.
• Follow Me® Function: Uses the temperature around the remote to adjust system performance and deliver more consistent comfort where you are located.
• Dry Mode: Removes excess moisture from the air to improve indoor comfort and help create a less humid living environment.
• Gold Fin® Condenser Protection: The corrosion-resistant condenser coating provides added durability, especially in coastal areas and other demanding outdoor environments.
• Wide Outdoor Operating Range: Provides cooling in outdoor temperatures from -13°F to 122°F and heating from -13°F to 75°F, depending on the specific model and capacity.
• Strong Warranty Protection: Includes a 7-year compressor warranty and a 5-year parts warranty for added long-term peace of mind.
• Intertek Listed: Intertek listing 5031495 demonstrates compliance with applicable product performance and safety standards.

Specifications & Dimensions

Dimensions & Weight

Capacity & Performance

Electrical Requirements

Refrigerant & Piping

Features

Certifications & Warranty