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

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

Product Description

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 at a Glance

Attribute	Details
Voltage	115V / 1 Phase / 60 Hz
Mount Type	Wall-Mounted
Max Coverage Area	Up to 550 sq. ft.
BTU (Cooling/Heating)	12,000
Decibel Rating	17.5 dBA (Low), 44.5 dBA (High)
Oscillation	Yes
Filter Type	Reusable
Smart Wi-Fi Control	Yes (iOS & Android)
Remote Included	Yes
App & Voice Compatible	Alexa, Google Assistant
Warranty	Lifetime Limited*, 2-Year Compressor, 1-Year Parts
Certifications	AHRI, UL, ETL, CSA
Unit Dimensions	31.57" W x 11.61" H x 7.87" D
Net Weight	24.91 lbs
Proposition 65 Warning	Yes

Room Size & BTU Coverage Guide

BTU Rating	Ideal Room Size
9,000 BTU	250 – 400 sq. ft.
12,000 BTU	400 – 600 sq. ft.
18,000 BTU	600 – 800 sq. ft.
24,000 BTU	800 – 1,050 sq. ft.

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

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

• Wireless Remote Control

• DIYPro™ Communication Cable 

• Installation Accessories

• MRCOOL® Warranty Documentation

What You Need for a Complete System

To enjoy full functionality, pair this air handler with:

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

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

• MRCOOL® Wall Mount Bracket (optional)

• 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 & Manuals 

Installation Manual

Product Brochure 

Performance Data

Remote Control Manual

AHRI Certificate 

Warranty Document

Shipping Policy 

At Cool Heat Direct, we offer free curbside delivery on all MRCOOL product orders via FedEx Ground, FedEx Freight, or trusted carriers depending on order size.

• Deliveries are made to the curbside — please arrange assistance for heavy or large items, as drivers do not carry items indoors or upstairs.

• Tracking details will be sent within 3–5 business days after placing your order.

• Freight shipments are scheduled directly by the carrier using the contact information you provide at checkout.

• Please inspect your shipment upon delivery and report any visible damage on the delivery receipt.

👉 Click here for our full Shipping Policy

Return Policy 

We want you to love your purchase from Cool Heat Direct. If you need to return an item:

• Contact us within 30 days of delivery.

• Items must be unused, uninstalled, and in their original packaging.

• A 35% restocking fee applies to all approved returns.

• Accessories such as line sets, wall mounts, and couplers are non-returnable.

• Return shipping is the customer’s responsibility unless the item is damaged or defective on arrival.

To start a return, please email us at support@coolheatdirect.com with your order number and reason for return.

👉 Click here for our full Returns Policy