HOT ! MRCOOL® EasyPro 5th Generation 12K BTU DIY Ductless Mini-Split Air Handler 115V

MODEL: EZPRO-12-HP-WMAH-115D-O

Effortless DIY Comfort for Spaces up to 550 sq. ft.

The MRCOOL® EasyPro™ 12k BTU 5th Generation Mini-Split Air Handler delivers affordable, ultra-efficient heating and cooling for small spaces—without the hassle or price tag of professional installation. Ideal for bedrooms, home offices, studios, or server rooms up to 550 sq. ft., this compact unit blends modern convenience with time-tested performance.

With DIY-friendly features like a pre-charged line set (sold separately), Wi-Fi connectivity, and the MRCOOL SmartHVAC® App, you’re in complete control of your comfort from your smartphone—or through voice commands with Amazon Alexa and Google Assistant.

Thanks to Active Clean Technology, the system maintains better indoor air quality by preventing dust and mildew build-up. The Follow Me® function ensures consistent temperature where you actually are—not just at the wall unit. With Gold Fin® anti-corrosion protection and ultra-quiet operation down to 17.5 dBA, this unit offers year-round comfort backed by a strong limited warranty.

Why You’ll Love It

✅ Simple DIY Installation — No professional help needed. Quick Connect® technology makes setup a breeze.

✅ Powerful Comfort — 12,000 BTU capacity cools and heats rooms up to 550 sq. ft., keeping your space cozy year-round.

✅ Smart-Home Ready — Control your comfort from anywhere with Wi-Fi and the SmartHVAC app. Works seamlessly with Alexa & Google Assistant.

✅ Clean, Fresh Air — Active Clean Technology and washable filters keep your air pure and system efficient.

✅ Ultra-Quiet Operation — Runs as low as 17.5 dBA, so it’s perfect for peaceful bedrooms and focused workspaces.

✅ Built to Last — Gold Fin® Anti-Corrosion protection defends against salty air, making it ideal for coastal homes.

✅ Works in Cold Climates — Enjoy dependable cooling down to 5°F, great for garages, server rooms, or chilly nights.

✅ Eco-Friendly Refrigerant — Uses advanced R-454B refrigerant to protect the environment while delivering efficient performance.

✅ Peace of Mind Warranty — 1-year parts and 2-year compressor coverage to keep you covered.

Specifications

Specifications at a Glance

Room Size & BTU Coverage Guide

Tip: Consider insulation, ceiling height, sun exposure, and appliance heat when sizing your system. Need help? Our support team is happy to assist!

What’s Included

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  MRCOOL® EasyPro™ 12K BTU 5th Gen Mini-Split Air Handler

  
  


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  Wireless Remote Control

  
  


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  DIYPro™ Communication Cable 

  
  


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  Installation Accessories

  
  


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  MRCOOL® Warranty Documentation

  
  

What You Need for a Complete System

To enjoy full functionality, pair this air handler with:

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  MRCOOL® EasyPro™ 5th Gen Single-Zone Condenser (115V Compatible)

  
  


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  MRCOOL® Quick Connect® Line Set (pre-charged with R-454B refrigerant)

  
  


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  MRCOOL® Wall Mount Bracket (optional)

  
  


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  Additional Accessories: Coupler kits or extended line sets (if needed

  
  

⚠️ Note: This unit is designed exclusively for use with EasyPro™ 5th Gen components.

Prefer an All-in-One Solution?

Skip the guesswork and grab one of our EasyPro System Bundles — includes everything you need in one convenient package.

Installation

Installation & Manuals 

Installation Manual

Product Brochure 

Performance Data

Remote Control Manual

AHRI Certificate 

Warranty Document