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Free Shipping To Lower 48 USA and No Sales Tax
Free Shipping To Lower 48 USA and No Sales Tax

MRCOOL DIY 18K BTU Mini-Split Wall Mounted Air Handler

Original price $773.50 - Original price $773.50
Original price
$773.50 - $773.50
Current price $773.50

MRCool DIY 18k BTU Ductless Wall Mounted Air Handler - 3rd Generation 240v


Choose the DIY 18k BTU 1 ½ Ton Ductless Mini-Split Wall Mounted Air Handler for the most rewarding home improvement project that you can do essentially all by yourself. This unit can cover around 750 square feet, making it perfect for cooling a room in your home to your exact specifications or for additional heating and cooling power in a multi-zone setup. It’s easy to install, too! Choose the best location to mount it, then connect it to the condenser using the DIY’s pre-charged line sets. You’ll save money before the system is even up and running!

After you get this unit installed, there’s a lot of rest and relaxation headed your way thanks to modes like AUTO, DRYING, SLEEP, and many others. This air handler comes with a Smart HVAC Controller, which allows you to link the air handler to your phone so you can enjoy better control and a wider variety of features. You can rest easy knowing that this unit is covered by a 5 year parts warranty when you register your product online. This DIY 18k BTU 1 ½ Ton Ductless Mini-Split Wall-Mounted Air Handler will treat you to flawless indoor comfort for years to come.


  • Easy DIY Installation
  • Gold Fin® condenser: corrosion resistant - live on the coast? Don't worry, our condenser is built to resist long term corrosion
  • Energy Efficient DC Inverter
  • R-410A environmentally friendly refrigerant
  • Systems include our SmartHVAC WiFi Control Module with improved setup and enhanced functionality for Apple and Android smart devices. Works with Amazon Alexa. Works with Google Assistant.


Model DIY-18-HP-WMAH-230B
UPC 810512033478
Air Flow Direction Horizontal
Configuration Wall Mounted
Blower Motor Variable Speed
Cooling Capacity Less than 1 Ton
Electrical Phase 1-Phase
Line Set Connection Type Quick Connect
Liquid Line Size 1/4 inch
Max Overcurrent Protection 20 amps
Product Height (in) 13.19
Product Length (in) 8.9
Product Width (in) 42.52
Series DIY
Special Features Wifi Capable
Suction Line Size 1/2inch
System Application Type Ductless Split Systems
Voltage 240
Warranty 5 Year Parts, 7 Year Compressor
Weight (lbs) 54.0100
Region Compatibility Nationwide
California Residents see Prop 65 WARNING

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