Checkout Secure
Free Shipping Over $x to

MRCOOL DIY 18K BTU 16 SEER Mini Split Air Conditioner And Heat Pump

Your Price:
$1,528.00 $1,749.99

  • Free Shipping in Lower 48 USA
  • Limited Stock - Ships in 1-3 Business Days
  • No Sales Tax Outside of PA
Checkout Secure
Checkout Secure
Order in the next  to get it by 

MRCOOL DIY 18K BTU Wall-Mounted Ductless Mini-Split A/C and Heat Pump System 17.5 SEER 

The MRCOOL DIY 18K DIY A/C and heat pump is a well built, whisper quiet, yet powerful ductless mini-split that is made specifically with the do-it-yourselfer in mind. This 4-in-1 ductless mini split is not just a wall mounted A/C unit. It also functions as a Heater, Dehumidifier and Fan for a customized level of comfort for your taste. The MRCOOL DIY 18K is ideal for heating, cooling and dehumidifying spaces up to 750 square feet. Save money on installation with this easy do-it-yourself ductless mini-split system. Our customers typically complete the installation of the system within 2-3 hours. This is the perfect system to cool and heat your Trailer, Tiny Home, Game Room, Cabin, Man Cave, Garage, and other smaller spaces. If you want great air comfort without paying an arm and a leg for installation, you want an easy-to-use MRCOOL DIY Series ductless heat pump.


  • MrCool DIY 18K BTU Heat Pump Condenser (Outdoor Unit):  DIY-18-HP-230A 
  • MrCool DIY 18K BTU Wall Mount Air Handler (Indoor Unit):  DIY-18-HP-WMAH-230A
  • 25' Pre-charged Line Set
  • 1 Remote Control
  • WiFi Connector For Smartphone
  • Owners Manual
  • Warranty Document


  • Easy DIY Installation: No special tools, equipment or training required to install this super quiet ductless mini split which includes a 25′ pre-charged lineset 
  • Personalized Performance: Achieve ideal personalized comfort by keeping the remote near by and MRCOOL Premier will monitor the temperature around you and make adjustments to suit your needs 
  • Low Ambient Cooling:  Cooling down to 5°F.  This feature makes the MRCOOL DIY the ideal system for server rooms, greenhouses, and any other application that requires cooling all year.
  • Auto Restart:   Power outages are no fun, especially when you live in a Tiny House.  But don't worry, the MRCOOL DIY 18k auto restart will have the unit running again as soon as the power is restored
  • Corrosion Resistant Condenser:  Live on the coast? Durability to withstand changing weather conditions, our condenser is built to resist long term corrosion.
  • Wifi Smart Control App: Control your MRCOOL DIY anywhere with your Apple or Android smart device and an internet connection.
  • Automated Low Coolant Alert:  When the MRCOOL DIY detects low coolant an alarm will sound to alert you to the problem. This will prevent damage to the compressor while you maintain high air comfort.
  • Sleep Mode 24-Hour Comfort:  We made Sleep Mode easy to program to save money, and let you sleep a little easier.
  • Louver Position Memory:  Remembers So You Don’t Have To. Horizontal louver will automatically move to the same position as you set last time the unit was turned on.

MRCOOL DIY 2nd Generation Features and Benefits:

MRCOOL DIY 18K Installation and Set Up Videos:



Download MRCOOL DIY 2nd Generation Series Installation Guide

MRCOOL DIY Ductless Mini Split Warranty

Related Products

MRCOOL DIY 18K BTU 16 SEER Mini Split Air Conditioner And Heat Pump

$1,528.00 $1,749.99

Added to cart!
FREE Shipping on ALL Orders! Free shipping when you order over XX You Have Qualified for Free Shipping Spend $x to Unlock Free Shipping You Have Achieved Free Shipping Free Shipping For Over $x to Free Shipping Over $x to You Have Achieved Free Shipping Free shipping when you order over 150 ou Have Qualified for Free Shipping