MRCOOL DIY 12,000 BTU 5th Gen E Star Mini Split AC & Heat Pump System 115V with 25 ft. DIY Quick Connect Line set - DIY-12-HP-WM-115D25-O

Overview

Installing your own HVAC system might sound overwhelming, but the 5th Generation MRCOOL® DIY® 12k BTU 23.5 SEER Ductless Heat Pump Single Zone Mini Split System makes it simple and achievable. Designed specifically for easy installation, this system can efficiently heat or cool areas up to 500 square feet—no professional tools or HVAC experience required. Thanks to the 25-foot pre-charged Quick Connect® line set filled with R-454B refrigerant, setup is straightforward and doesn’t require vacuuming. It’s a cost-saving, do-it-yourself solution engineered for safety and simplicity. You can control the system in multiple ways: use the included remote, the SmartHVAC app on iOS or Android, or voice commands via Amazon Alexa and Google Assistant. The built-in Follow Me® feature detects the temperature near the remote, adjusting output to match your location. For coastal homes, the Gold Fin® condenser coating provides rust-resistant protection, ensuring the system performs well over time. Comfort and energy savings are built in, with modes like Auto, Sleep, and Timer, plus auto-restart after power outages. Once installed, you'll enjoy a full suite of smart and efficient features. This model also comes with a base warranty that includes 7-year compressor/5-year parts coverage, along with eligibility for the MRCOOL® Care Program. With its advanced tech and user-friendly design, this unit offers both flexibility and long-term peace of mind.

Specifications & Dimensions

Dimensions & Weight

Capacity & Performance

Electrical Requirements

Refrigerant & Piping

Features

Certifications & Warranty

What's in the Box?

• Indoor Air Handler 12k BTU
• Outdoor Condenser 12k BTU
• Wi-Fi SmartHVAC Control Module (Compatible with Amazon Alexa & Google Assistant)
• Installation Kit (Includes DIYPRO® Cable & QuickConnect® Pre-charged Line Set (25 ft))
• Remote Control
• Installation Manuals & Warranty Documents