MRCOOL DIY-18 18000 BTU DIY 4th Gen Energy Star Series Single Zone 22 SEER Mini Split with Heat Pump WiFi SmartController 208/230 Volt - Choice Line Set Length

Sku:
MRCOOL-DIY18HPWM230C25
Usually Leaves Warehouse in 5 - 7 Business Days
$2,156.00
 

The only do it yourself (DIY), easy to install mini split air conditioner available.

Energy Star Qualified System with Wireless-Enabled Smart Controller Included!

Mr Cool DIY Mini Split System is made for easy installation for the DIYer in you. To install this single zone mini split system all you need is a few hours and some regular tools. Nothing special is required. With 18000 BTUs, this system will cool a space that is about 550 - 800 sq. ft. or in terms of actual dimensions, that is a room that measures about 20' x 25' up to about 29' x 28'. The MRCOOL 4th Generation Enhanced DIY mini splits includes the SmartController WiFi control module that features an easier setup process, improved functionality, and works with Amazon Alexa and Google Assistant, as well as access for control anywhere you have a connection. It can be used with Android or Apple smart phones or tablets. 
 
This system is Energy Star Certified boasting high ratings including 22 SEER and 11.5 HSPF4. The ambient temperature requirements for this unit are -13° - 122°F for the cooling mode and -13° - 75°F for heating. With ambient temperatures like these, you should be comfortable year round in virtually any climate in the US.
 
Newly included with your Mr. Cool Single Zone 4th Gen DIY Mini Split System is a DIY Pro Cable. It is 25 feet and is included with the condenser. It features crimped connectors as well as protective conduit covering for long lasting use. It connects from the outdoor unit to the indoor unit. When adding length the the original 25' line set, you will need to replace the Pro-Cable that is included and replace with the new wire included with the couplers. 
 
The MRCOOL Smart Controller offers many features:
  • Global Control - Control your MRCOOL air conditioner or heat pump via your smartphone from anywhere in the world
  • Weekly Scheduling - 7 day scheduling functionality helps you schedule your air comfort per your preferred settings and time
  • Filter Maintenance Reminder
  • Geo Fencing - Automatically turn your system on before you arrive and switch off automatically after you have left
  • Usage Statistics - Keep track of your usage to control your costs helping you save energy, and money!
  • Timeline of Actions - See who is using the AC and their settings
The whole system ships in two packages. The indoor unit ships with all the required hardware needed for installation including a wall template and mounting plate, wall sleeve (to send the piping and line set through), a remote and the SmartController. The line sets will ship in the box with the condenser unit as well as a 25 ft pro-cable will be included with this system. 
 
If you need more than the included 25 ft. line set, we have packaged the line sets with everything you need to achieve your required length up to 75 ft. 75 ft. is the longest length allowable for the DIY systems. DIY line sets and DIY Couplers are available to extend the line set to accommodate your installation needs. The lines are fully charged with R410A refrigerant. Each "Line Set Install Kit" over 25 ft. will include the necessary couplers required to connect more than one length of piping. Couplers are available with 50' or 75' of wire to accommodate your new line length. When adding length to the original 25' line set, you will need to replace the Pro-Cable that is included with the new wire. The Line Set Install Kits will include the following:
 
LINE SET INSTALL KIT NO-VAC LINE SET(s) INCLUDED DIY COUPLER and WIRE KIT INCLUDED  
25 Ft. DIY25-1412 NA Will include 25 ft. length of Pro-Cable.
41 Ft. DIY16-1412
DIY25-1412
1 - DIYCOUPLER-1412K50 Will include 50 ft. length of wire. The excess wire will need to be coiled for appropriate length.  You will not be able to use the Pro-cable provided with your unit as it is only 25 ft.
50 Ft. DIY25-1412
DIY25-1412
1 - DIYCOUPLER-1412K50 Will include 50 ft. length of wire. You will not be able to use the Pro-cable provided with your unit as it is only 25 ft.
66 Ft.

DIY16-1412
DIY25-1412
DIY25-1412

1 - DIYCOUPLER-1412K75 Will include 75 ft. length of wire. The excess wire will need to be coiled for appropriate length. You will not be able to use the Pro-cable provided with your unit as it is only 25 ft.
75 Ft. DIY25-1412
DIY25-1412
DIY25-1412
1 - DIYCOUPLER-1412K75 Will include 75 ft. length of wire. You will not be able to use the Pro-cable provided with your unit as it is only 25 ft.
 
The outdoor unit features variable speed DC inverter compressor technology to help cut your energy costs without losing any benefits. It operates in the cooling mode down to -13°F. This makes it an ideal solution for use in computer server rooms, greenhouse and other areas that need to be kept cool year round. It will also operate in the heating mode down to -13°F as well. Gold Fin finish will help your condenser resist corrosion for years. The system features auto restart in the event of a power failure. Once power is restored, you system will be up and running with no assistance from you! 
 
Other features include:
  • Low Ambient Cooling to -13°F - perfect for server rooms, greenhouses or other applications that require cooling year round.
  • Sleep Mode -  automatically adjusts the temperature to maximize comfort during night time sleep. When in COOL mode, the unit will increase the temperature by 2°F after 1 hour, and will increase an additional 2°F after another hour. When in HEAT mode, the unit will decrease the temperature by 2°F after 1 hour, and will decrease an additional 2°F after another hour. After 7 hours operating in SLEEP mode, the system will switch off automatically.
  • Auto Cool
  • Auto Restart
  • Louver Memory - horizontal louver will automatically move to the same position it was last set to.
  • Auto mode feature - In the Auto mode, the system can logically choose the mode of Cooling or Heating by sensing the difference between the actual ambient room temperature and the setting temperature on the remote control.
  • Leakage Detection - if your system detects low coolant, an alarm will sound to alert you and to help prevent damage to your system
  • Gold Fin Condenser - Protection to resist long term corrosion
  • LED Controls
  • Variable 4 Speed Control
  • Fan Only Option
  • Follow Me Feature - by pressing the 'follow me' button and keeping the remote close to you, you tell the air conditioner to set the temperature from wherever the remote happens to be, this counteracts the tendency for the air conditioner to stop cooling or heating because the air around the unit has reached its set temperature
  • Dehumidifying operation - In DRY mode, the system will reduce the humidity of the air in the room for increased comfort. The system will automatically cycle between cooling and fan only modes to dehumidify the air.
  • Temperature Range - the temperature can be set within a range of 62F - 86F in 1°F increments

This system uses 230 Volts and has average Cooling Operating Costs around $119/year and average heating operating costs about $381/year (as provided by AHRI).

For videos on remote usage and WiFi SmartController installation and App Usage:

How to use the MRCOOL Remote

WiFi Smart Controller Installation and Use

Using the SmartController App Usage

FREE SHIPPING ON ALL ORDERS!
MRCOOL DIY-18 18000 BTU DIY 4th Gen Energy Star Series Single Zone 22 SEER Mini Split with Heat Pump WiFi SmartController 208/230 Volt - Choice Line Set Length
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Product Video

Product Overview

 

The only do it yourself (DIY), easy to install mini split air conditioner available.

Energy Star Qualified System with Wireless-Enabled Smart Controller Included!

Mr Cool DIY Mini Split System is made for easy installation for the DIYer in you. To install this single zone mini split system all you need is a few hours and some regular tools. Nothing special is required. With 18000 BTUs, this system will cool a space that is about 550 - 800 sq. ft. or in terms of actual dimensions, that is a room that measures about 20' x 25' up to about 29' x 28'. The MRCOOL 4th Generation Enhanced DIY mini splits includes the SmartController WiFi control module that features an easier setup process, improved functionality, and works with Amazon Alexa and Google Assistant, as well as access for control anywhere you have a connection. It can be used with Android or Apple smart phones or tablets. 
 
This system is Energy Star Certified boasting high ratings including 22 SEER and 11.5 HSPF4. The ambient temperature requirements for this unit are -13° - 122°F for the cooling mode and -13° - 75°F for heating. With ambient temperatures like these, you should be comfortable year round in virtually any climate in the US.
 
Newly included with your Mr. Cool Single Zone 4th Gen DIY Mini Split System is a DIY Pro Cable. It is 25 feet and is included with the condenser. It features crimped connectors as well as protective conduit covering for long lasting use. It connects from the outdoor unit to the indoor unit. When adding length the the original 25' line set, you will need to replace the Pro-Cable that is included and replace with the new wire included with the couplers. 
 
The MRCOOL Smart Controller offers many features:
  • Global Control - Control your MRCOOL air conditioner or heat pump via your smartphone from anywhere in the world
  • Weekly Scheduling - 7 day scheduling functionality helps you schedule your air comfort per your preferred settings and time
  • Filter Maintenance Reminder
  • Geo Fencing - Automatically turn your system on before you arrive and switch off automatically after you have left
  • Usage Statistics - Keep track of your usage to control your costs helping you save energy, and money!
  • Timeline of Actions - See who is using the AC and their settings
The whole system ships in two packages. The indoor unit ships with all the required hardware needed for installation including a wall template and mounting plate, wall sleeve (to send the piping and line set through), a remote and the SmartController. The line sets will ship in the box with the condenser unit as well as a 25 ft pro-cable will be included with this system. 
 
If you need more than the included 25 ft. line set, we have packaged the line sets with everything you need to achieve your required length up to 75 ft. 75 ft. is the longest length allowable for the DIY systems. DIY line sets and DIY Couplers are available to extend the line set to accommodate your installation needs. The lines are fully charged with R410A refrigerant. Each "Line Set Install Kit" over 25 ft. will include the necessary couplers required to connect more than one length of piping. Couplers are available with 50' or 75' of wire to accommodate your new line length. When adding length to the original 25' line set, you will need to replace the Pro-Cable that is included with the new wire. The Line Set Install Kits will include the following:
 
LINE SET INSTALL KIT NO-VAC LINE SET(s) INCLUDED DIY COUPLER and WIRE KIT INCLUDED  
25 Ft. DIY25-1412 NA Will include 25 ft. length of Pro-Cable.
41 Ft. DIY16-1412
DIY25-1412
1 - DIYCOUPLER-1412K50 Will include 50 ft. length of wire. The excess wire will need to be coiled for appropriate length.  You will not be able to use the Pro-cable provided with your unit as it is only 25 ft.
50 Ft. DIY25-1412
DIY25-1412
1 - DIYCOUPLER-1412K50 Will include 50 ft. length of wire. You will not be able to use the Pro-cable provided with your unit as it is only 25 ft.
66 Ft.

DIY16-1412
DIY25-1412
DIY25-1412

1 - DIYCOUPLER-1412K75 Will include 75 ft. length of wire. The excess wire will need to be coiled for appropriate length. You will not be able to use the Pro-cable provided with your unit as it is only 25 ft.
75 Ft. DIY25-1412
DIY25-1412
DIY25-1412
1 - DIYCOUPLER-1412K75 Will include 75 ft. length of wire. You will not be able to use the Pro-cable provided with your unit as it is only 25 ft.
 
The outdoor unit features variable speed DC inverter compressor technology to help cut your energy costs without losing any benefits. It operates in the cooling mode down to -13°F. This makes it an ideal solution for use in computer server rooms, greenhouse and other areas that need to be kept cool year round. It will also operate in the heating mode down to -13°F as well. Gold Fin finish will help your condenser resist corrosion for years. The system features auto restart in the event of a power failure. Once power is restored, you system will be up and running with no assistance from you! 
 
Other features include:
  • Low Ambient Cooling to -13°F - perfect for server rooms, greenhouses or other applications that require cooling year round.
  • Sleep Mode -  automatically adjusts the temperature to maximize comfort during night time sleep. When in COOL mode, the unit will increase the temperature by 2°F after 1 hour, and will increase an additional 2°F after another hour. When in HEAT mode, the unit will decrease the temperature by 2°F after 1 hour, and will decrease an additional 2°F after another hour. After 7 hours operating in SLEEP mode, the system will switch off automatically.
  • Auto Cool
  • Auto Restart
  • Louver Memory - horizontal louver will automatically move to the same position it was last set to.
  • Auto mode feature - In the Auto mode, the system can logically choose the mode of Cooling or Heating by sensing the difference between the actual ambient room temperature and the setting temperature on the remote control.
  • Leakage Detection - if your system detects low coolant, an alarm will sound to alert you and to help prevent damage to your system
  • Gold Fin Condenser - Protection to resist long term corrosion
  • LED Controls
  • Variable 4 Speed Control
  • Fan Only Option
  • Follow Me Feature - by pressing the 'follow me' button and keeping the remote close to you, you tell the air conditioner to set the temperature from wherever the remote happens to be, this counteracts the tendency for the air conditioner to stop cooling or heating because the air around the unit has reached its set temperature
  • Dehumidifying operation - In DRY mode, the system will reduce the humidity of the air in the room for increased comfort. The system will automatically cycle between cooling and fan only modes to dehumidify the air.
  • Temperature Range - the temperature can be set within a range of 62F - 86F in 1°F increments

This system uses 230 Volts and has average Cooling Operating Costs around $119/year and average heating operating costs about $381/year (as provided by AHRI).

For videos on remote usage and WiFi SmartController installation and App Usage:

How to use the MRCOOL Remote

WiFi Smart Controller Installation and Use

Using the SmartController App Usage

Tech Specs

  • Indoor Unit Type:
    Wall Mount
  • SEER:
    22.0
  • EER:
    12.5
  • Energy Star:
    No
  • Cooling BTUs:
    18000
  • Includes Heat Pump:
    Yes
  • Heat Pump BTUs:
    18000
  • HSPF (non-ducted):
    11.5
  • Fan Speeds:
    3
  • Room Size Coverage:
    Large 550 - 800 Sq. Ft.
  • Min. Indoor Noise Level (dBA):
    31
  • Indoor Noise Level (dBA):
    44.5 / 37 / 31 (H / M / L)
  • Control Type:
    Hand Held Remote
  • WiFi Compatible:
    Module Included
  • Wired Thermostat Optional:
    No
  • Voltage:
    208-230V
  • Circuit Breaker Size (Amps):
    30
  • Line Set Liquid Line:
    1/4"
  • Line Set Suction Line:
    1/2"
  • Maximum Elevation (ft.):
    66
  • Maximum Pipe Length (ft.):
    75
  • Pipe Length (No Addl Refr Req):
    25
  • Inverter Technology:
    Yes
  • Indoor Unit Width (in.):
    42.52
  • Indoor Unit Depth (in.):
    8.90
  • Indoor Unit Height (in.):
    13.19
  • Outdoor Unit Width (in.):
    35.04
  • Outdoor Unit Depth (in.):
    13.46
  • Outdoor Unit Height (in.):
    26.5
  • Indoor Unit Weight (lbs.):
    34.61
  • Outdoor Unit Weight (lbs.):
    94.36
  • Certifications:
    AHRI, ETL, CSA
California residents see Prop 65 WARNINGS

Warning WARNING!

Warning: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Product Warranty

The unit comes standard with a 5 Year Parts/7 Year Compressor Warranty and is available with a Limited Lifetime Compressor Warranty with certain conditions/requirements.

The Limited Lifetime Compressor Warranty & the 7 Year Unit Replacement Warranty covers the unit ONLY in the event of compressor failure. In order to qualify for the Limited Lifetime Compressor Warranty, the unit must be registered at the web address (https://mrcool.com/warranty/) within 60 days of the installation date AND the original, registered owner must also enroll in the MrCool Care Program within 4 months from the installation date, which has a biannual fee to be covered by the owner. The MrCool Care Program is designed to provide the owner with a Do-It-Yourself cleaning kit to service/clean the unit at regular intervals (biannually) as preventative maintenance to help ensure the unit will continue to function properly throughout its lifespan.