MRCOOL Easy Pro 18K BTU DIY Mini Split

Fast, DIY heating & cooling for a single room

  • DIY Installation
  • Single-Zone Mini-Split System
  • 208-230V
  • Up to 20+ SEER2
  • Ideal Coverage ~550-800 sq ft

Model: EP-SYS-18

Higher-capacity DIY mini split for larger rooms, garages, and open spaces with a 16 ft QuickConnect line set, WiFi control, and reliable year-round comfort.
$1,999 Complete System Price
  • In stock — ships in 1-2 business days
  • Financing options available at checkout

As low as $167/mo with Affirm

  • Easy DIY installation
  • Heats & cools one room
  • Inverter heat pump tech
  • Smart WiFi app control
  • Ultra-quiet operation

Quick Answers Before You Buy

Is this a DIY system?
Yes. This system is designed for easy DIY homeowner installation — no special tools required.
Does this system provide heating and cooling?
Yes — inverter heat pump technology provides efficient heating and cooling year-round.
Not sure which size you need?
Sq ft and home characteristics determine sizing. Use our Find My System tool for guidance.
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Key Features

Whole-home heating & cooling

Whole-home heating & cooling

Delivers consistent, balanced cooling to every room through your home’s duct system.

High-efficiency performance

High-efficiency performance

Modern energy-efficient operation helps reduce cooling costs while maintaining reliable comfort.

Works with your existing ductwork

Works with your existing ductwork

Easily integrate with most existing ducted HVAC systems and home layouts.

Will This System Work For Your Space?

BEST FOR Rooms
550-800 sq ft
ELECTRICAL 208-230V
circuit required
INSTALLATION DIY QuickConnect™
system
CLIMATE Heating down to −13°F

Still unsure? Find My System

Learn More About This System

Detailed Specifications & Documentation

Stronger DIY Performance for Larger Living Areas

The MRCOOL Easy Pro 18,000 BTU DIY Mini Split Heat Pump System is designed for homeowners who need more output for larger rooms, open-concept layouts, garages, workshops, and other medium-to-large spaces. It combines stronger single-zone performance with the simplified DIY installation approach that makes the Easy Pro line appealing to hands-on buyers.

With a 16 ft pre-charged QuickConnect line set included, this system helps remove much of the complexity that often comes with mini split installation. Its inverter-driven compressor automatically adjusts performance based on real-time demand, helping maintain more stable comfort while operating more efficiently than many conventional fixed-output systems.

Quick System Snapshot
  • 18,000 BTU heating and cooling capacity
  • Typical coverage for larger rooms and open spaces
  • 230V power requirement
  • 16 ft pre-charged QuickConnect line set included
  • Built-in WiFi control
  • Wall-mounted indoor air handler
Larger Capacity With DIY-Friendly Installation

Even with its increased output, the Easy Pro 18K stays focused on installation simplicity. The included pre-charged line set helps homeowners avoid many of the tools and procedures that traditionally make ductless installation more technical and intimidating.

  • No vacuum pump required
  • No gauges or advanced HVAC tools needed for standard setup
  • Pre-charged QuickConnect system simplifies installation
  • Hardwired system for permanent use
Year-Round Comfort With Inverter Heat Pump Performance

The Easy Pro 18K is built to cool effectively during hot weather and provide dependable heating in cooler conditions. Its inverter design helps it respond more smoothly to changing indoor needs, supporting steadier comfort across a range of conditions.

  • Cooling operation from 5°F to 122°F
  • Heating operation down to 13°F
  • Variable-speed inverter performance for more consistent comfort
Smart Features Built In From the Start

With built-in WiFi and modern convenience features, this system is designed to fit the way homeowners want to control comfort today. Whether adjusting settings from the couch or away from home, Easy Pro makes daily operation simple.

  • SmartHVAC app control from phone or tablet
  • Works with Alexa and Google Assistant
  • Follow Me® temperature sensing
  • Sleep mode and timer functions
  • Auto restart after power interruptions
Efficient Operation That Stays Comfort Focused

Although it delivers more capacity for larger spaces, the Easy Pro 18K still maintains the quiet, efficient character buyers want from a modern mini split. Its inverter system helps optimize energy use while supporting steady airflow and dependable indoor comfort.

  • Quiet residential operation across multiple fan speeds
  • Up to 20.0 SEER2 efficiency
  • Smooth, stable performance for larger applications
What’s Included
  • Outdoor condenser
  • Wall-mounted indoor air handler
  • Remote control
  • WiFi smart controller dongle
  • 16 ft pre-charged QuickConnect line set
  • Indoor mounting plate
  • Communication wire
  • Drain hose
  • Air Handler TypeWall Mount
  • Capacity18000 BTU
  • Coverage550-800 sq ft
  • Installation TypeDIY
  • System TypeSingle Zone Mini Split
  • Voltage208-230V
  • SeriesEasy Pro
  • Line Set TypeQuickConnect (DIY)
  • Zone TypeSingle Zone
  • Cold Climate EligibleFalse
  • SEER2 Rating20+ SEER2

Installation guides, spec sheets, and certifications will be available for download soon.

Will this work for my space?
Yes — 5th Gen DIY Single Zone systems heat and cool individual rooms or open spaces. Choose system size based on room square footage and layout for best comfort. If unsure, our sizing guide or support team can help.
Can I install this?
Yes — 5th Gen systems use pre-charged Quick Connect® line sets so homeowners can install without vacuum pumps, gauges, or refrigerant handling. No HVAC license needed.
Does it heat in winter?
Yes — 5th Gen systems provide strong, reliable heating even in low outdoor temperatures, making them ideal for garages, basements, bonus rooms, and colder climates.
How loud is it?
Very quiet. Both indoor and outdoor units are designed for low noise levels and smooth operation, even at night.
What else do I need?
Everything needed for installation is included: indoor air handler, outdoor condenser, pre-charged Quick Connect® line set, communication wire, wall sleeve, drain hose, remote control, and mounting hardware. Only basic mounting tools are required.
What is the warranty for 5th Gen DIY systems?
Warranty includes a 5-year parts warranty and 7-year compressor warranty. Warranty remains valid with homeowner installation.
How long does installation take?
Most homeowners complete installation in 4–8 hours, depending on room layout and mounting conditions.

Need Help From a MRCOOL Expert?

Not sure which system is right? Our HVAC specialists can help you choose the correct size and configuration.

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