Overview:

The MRCOOL DIY 4th Generation 12,000 BTU Mini Split isn’t just another ductless system — it’s a game-changer for homeowners who want year-round comfort without the hassle or expense of professional installation. Designed for rooms up to 500 square feet, this single-zone heat pump both cools and heats with an ultra-efficient SEER rating of 22. Even better? It comes with a 25-foot pre-charged line set that uses Quick Connect® fittings — meaning you can install it *yourself*, no special tools, HVAC license, or vacuum pump required.

Why Customers Love It:

• Easy DIY Installation: Save hundreds on labor! With detailed guides, pre-charged lines, and included remote, it's made for confident do-it-yourselfers.
• Smart Control: Seamlessly connect to your smartphone via the SmartHVAC App, or use Alexa and Google Assistant voice commands for full control from anywhere.
• All-Climate Performance: Engineered to operate efficiently in extreme conditions — from -13°F to 122°F — for true four-season comfort.
• Quiet Operation: Whisper-quiet decibel levels as low as 23.5 dBA ensure peace while you sleep, work, or relax.
• Gold Fin® Coating: Protects your condenser from rust and corrosion, making it ideal for coastal or humid environments.
• Multiple Modes: Cool, Heat, Dry (dehumidify), Sleep Mode, Quiet Mode, and Auto Mode – total comfort at your fingertips.

System Includes:

• 12K BTU Condenser (115V)
• 12K BTU Wall-Mounted Air Handler
• 25ft Pre-Charged Line Set with Quick Connect®
• Remote Control with Batteries
• Wireless Smart Control (iOS/Android + Alexa/Google)
• Installation & Operation Manual

Technical Specifications:

• Coverage Area: Up to 500 sq. ft.
• Cooling/Heating Capacity: 12,000 BTU
• SEER: 22 | EER: 12.5
• HSPF: 11.5 (Region IV) / 9 (Region V)
• COP: 3.36
• Refrigerant Type: R-410A, Pre-Charged (38.1 oz)
• Voltage: 115V, 60Hz, Single Phase
• Amps: 19–25A | Min Circuit Ampacity: 19A
• Operating Temp Range: -13°F to 122°F (Cooling), -13°F to 75°F (Heating)

Dimensions & Weight:

• Condenser: 30.12"W x 11.93"D x 21.85"H | 65.70 lbs
• Air Handler: 31.57"W x 7.44"D x 11.69"H | 24.03 lbs

Line Set Details:

• Length: 25ft (Included)
• Max Line Set Length: 82 ft
• Liquid Line: 1/4 in | Suction Line: 1/2 in

Sound Levels:

• Low: 23.5 dBA | High: 37 dBA

Certifications:

• Energy Star Certified
• UL Listed
• AHRI Certified

Warranty:

7-Year Compressor Warranty and 5-Year Parts Warranty included. Lifetime compressor coverage with product registration.

Downloadable Resources:

• 📘 Installation Manual
• 📄 Spec Sheet
• 🕹️ Remote Manual
• 🔧 Service Manual
• ⚡ Energy Guide

*Note: Not for sale in GU, PR, VI due to shipping limitations.

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