MRCOOL DIY Mini-Split Series 4th Generation E Star 12,000 BTU Wall Mounted Heat Pump System


MRCOOL DIY Mini-Split Series 4th Generation E Star 12,000 BTU Wall Mounted Heat Pump System

  • Delivers up to 22 cooling and 11.5 heating efficiency.
  • Includes a 12000 BTU outdoor unit, one wall-mounted indoor unit, a wireless remote control, and a 25' pre-charged lineset.
  • Designed to heat and cool one space up to 550 sq. ft.
  • Pre-charged linesets allow customers to install this ductless system without special tools, equipment, or training.

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Ready to Ship - Average Delivery Time of 1.85 Days
Retail price:
Sale price$1,738.00 USD Regular price$2,085.60 USD


The MRCOOL DIY mini-split system is the only whole-home mini-split solution a customer can install themselves. This single-zone heat pump system can handle extreme ambient temperatures from -13° for cooling and heating. Both outdoor and indoor units come pre-charged with R-410A refrigerant. The wall-mounted indoor unit also comes with a wireless remote control and a 25' lineset.


  • Gold Fin® condenser to resist long term corrosion
  • DIYPro™ cable eliminates the need for an electrical conduit providing higher mechanical protection and durability
  • Remote with Follow Me® functionality to track air temperature more accurately and ensure maximum comfort
  • Prevents damage to the compressor with leakage detection
  • Auto restart after a power outage
  • Supports Google Assistant and Amazon Alexa out of the box
  • Smartphone app to control the system from anywhere with an Apple or Android device and an internet connection

HVAC professionals selected these components to maximize their performance and efficiency.

This unit’s AHRI Certified Reference Number is 208552787.


This system comes with a 5-year parts, 7-year compressor, and 1-year remote warranty when registered with the manufacturer.



Save $43.89
MrCool MC25-1412 Flared Line Set Kit for 12K and 18K Mini Split

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