MRCOOL® E Star DIY 4th Gen 18k BTU Ductless Mini-Split Indoor Air Handler 230V/60Hz Multi-Zone R410A, 18,000 BTU 230V High Wall-Mount Air Conditioning, Heat Pump, Mini Split Inverter System Up To 22 SEER2 with Wi-Fi, Choose Line Kit - DIY-18-HP-WMAH-230C25
Summary
The MRCOOL® 4th Generation DIY 18K BTU Ductless Wall Mounted Air Handler is an essential component of a MRCOOL® DIY system. When paired with a MrCool Condenser, it is capable of achieving a 22 SEER efficiency rating and has the ability to heat and cool an area of up to 1000 sq ft. It features multiple modes of operation such as COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP so it is sure to suit your needs. It can also be conveniently operated from anywhere using your Apple or Android smartphone with the Smart HVAC app. This air handler can be easily mounted with the included and easy-to-use wall mounting plate. It is also very compact, especially when compared to the components of a traditional ducted system, so it can be easily maneuvered into place. It was also designed to be used with MrCool’s patented Pre-Charged Quick Connect Line Set. So, installing the refrigerant piping is as simple as turning a few wrenches. Since the line set comes pre-charged with the precise amount of R-410A refrigerant, no vacuuming or charging is required once connected. Select the MrCool 4th Generation DIY 12K BTU Ductless Wall Mounted Air Handler to be your home comfort solution.
What's Included
- Indoor Unit DIY-18-HP-WMAH-230C25 (MRCOOL® E Star DIY 4th Gen 12k BTU)
- Optional, Pre-Charged Installation Kit (16ft, 25ft, 35ft or 50ft.) MUST BE SELECTED ABOVE.
- Wireless Remote Controls
- Installation Manual
- User’s Manual
- Manufacturer Warranty
Warranty
- 7 year compressor limited warranty
- 5 year parts limited warranty (must be installed by a licensed HVAC technician)
- 1 year remote control
Technical Information
Model Number: DIY-18-HP-WMAH-230C25
BRAND NAME | MRCOOL |
SERIES |
DIY 3rd Gen E STAR Condenser
|
MODEL |
DIY-18-HP-C-230B
|
GTIN | 810512033430 |
UPC | 810512033430 |
UNIT TYPE | Mini-Split |
SHORT DESCRIPTION |
MRCOOL® E Star DIY 3rd Gen 18k BTU 20 SEER Ductless Mini-Split Heat Pump Condenser-208-230V/60Hz
|
LONG DESCRIPTION |
Introducing the MRCOOL® E Star DIY 3rd Gen 18k BTU 20 SEER Ductless Mini-Split Heat Pump. These are ductless mini-split heat pumps with enhanced WIFI engineered to make setup not only quick and easy, but the. MRCOOL DIY E Star Series is flexible enough to be installed virtually anywhere without requiring specialized tools or expensive equipment. The 18,000 BTU unit is 20 SEER and designed to heat and cool up to 750 square feet efficiently and effectively. Our SmartHVAC app is compatible with Amazon Alexa and Google assistant. You can also control your DIY anywhere with your Apple or Android smart device with an Internet connection. Doing it yourself has never been easier with the new MRCOOL DIY E Star Series. This unit is shipped in two boxes.
|
FEATURE LIST |
Our Easy DIY installation: pre-charged quick connect line doesn't require special tools, equipment, or training
SmartHVAC app: WIFI control - control your DIY anywhere with your Apple or Android smart device and an Internet connection Variable-speed DC inverter compressor technology cuts operating costs Low ambient cooling: cooling down to 5?F exterior temperatures ? the ideal system for computer server rooms, greenhouses, and any other applications that require cooling all year The unit is 20 SEER and designed to heat and cool a single 750 square foot space 7-Year compressor warranty and 5-year parts warranty Auto-restart: - power outage? No worries, the MRCOOL DIY E star Series auto-restart has the unit running again immediately Gold Fin® condenser: corrosion-resistant coastal living - don't worry, our condenser is built to resist long term corrosion Louver position memory remembers so you don't need to - horizontal louver automatically moves to the same position you set the last time the unit was turned on Automatic leakage detection technology to alert you should a problem arise |
SEER | 20 |
EER | 12.5 |
HSPF | 10 |
TONNAGE | 1.5 |
COOLING CAPACITY (BTU) | 18000 |
HEATING CAPACITY (BTU) | 18000 |
VOLTAGE (V) | 208-230 |
PHASE | 1 |
CYCLE | 60 |
MAX FUSE BREAKER (A) | 20 |
MIN CIRCUIT AMPACITY (A) | 15 |
MAX COVERAGE AREA | 750 |
REFRIGERANT TYPE | R-410A |
INVERTER | Yes |
MIN AMBIENT HEAT (F) | 5 |
LINE SET LENGTH | 16 or 25 |
MAX LINESET LENGTH (FT) | 98 |
LIQUID LINE FITTING | 3/8 |
LIQUID LINE SIZE | 1/4 |
SUCTION LINE FITTING | 5/8 |
SUCTION LINE SIZE | 1/2 |
CONTROL TYPE | LED |
CONDENSER FAN MOTOR RPM | 700/750/85 |
AUXILIARY HEATER INCLUDED | No |
AUXILIARY HEATER AVAILABLE | No |
LOW VOLTAGE COMPENSATION | No |
OVERLOAD PROTECTION | Yes |
ADJUSTABLE THERMOSTAT | Yes |
FAN ONLY OPTION | Yes |
QUIET MODE | Yes |
SLEEP MODE | No |
AUTO COOL | Yes |
WIFI COMPATIBILITY | Yes |
APP COMPATIBILITY | Yes |
WORKS WITH IOS | Yes |
WORKS WITH ANDROID | Yes |
REMOTE CONTROL INCLUDED | Yes |
UL RECOGNIZED | No |
UL LISTED | No |
CSA LISTED | Yes |
CSA CERTIFIED | Yes |
ETL LISTED | No |
ETL CERTIFIED | No |
ENERGY STAR COMPLIANT | No |
ENERGY STAR CERTIFIED | No |
AHRI CERTIFIED | Yes |
REGISTERED WARRANTY |
5-year Parts/7-year Compressor/1-year Remote
|
REGISTERED PARTS WARRANTY | 5-year |
REGISTERED COMPRESSOR WARRANTY | 7-year |
REGISTERED REMOTE WARRANTY | 1-year |
HAS BATTERIES | Yes |
CONTAINS ELECTRONICS | Yes |
CONTAINS CHEMICALS | Yes |
CONTAINS AEROSOL | Yes |
CONTAINS COMPRESSED GAS | Yes |
PROPOSITION 65 WARNING | Yes |
RESTRICTED STATES | GU, PR, VI |
NET DEPTH (IN) | 14.29 |
NET HEIGHT (IN) | 27.64 |
NET WIDTH (IN) | 33.27 |
NET WEIGHT (LBS) | 98.77 |
GROSS DEPTH (IN) | 17.32 |
GROSS HEIGHT (IN) | 31.5 |
GROSS WIDTH (IN) | 38.78 |
GROSS WEIGHT (LBS) | 122 |
FREIGHT CLASS | 250 |
IMAGE 1 | Open |
IMAGE 2 | Open |
IMAGE 3 | Open |
IMAGE 4 | Open |
IMAGE 5 | Open |
VIDEO 1 | Open |
VIDEO 2 | Open |
BROCHURE | Open |
INSTALL MANUAL | Open |
SPECS | Open |
OWNER MANUAL | Open |
REMOTE MANUAL | Open |
TECHNICAL MANUAL | Open |
WARRANTY DOC | Open |
ACCESSORY MANUAL 1 | Open |
FRENCH INSTALL MANUAL | Open |
FRENCH OWNER MANUAL | Open |
FRENCH REMOTE MANUAL | Open |
FRENCH TECH MANUAL | Open |
SPANISH REMOTE | Open |
AHRI CERTS | Open |
ENERGY GUIDE CERTS | Open |
Certifications
MRCOOL Multi Zone Accessories
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MRCOOL Coupler Line Set Copper Fittings for 3/8"-5/8" Line Kits (24K BTU, 36K BTU MRCOOL)
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MRCOOL Coupler Line Set Copper Fittings for 1/4"-1/2" Line Kits (9K BTU, 12K BTU, 18K BTU MRCOOL)
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MRCOOL Mini-Split Cleaning Kit
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We will prepare your order within 24 hours if it’s received on a weekday (before noon). Orders are shipped in one to two business days. Transit time is between 3 to 6 business days, although exceptions apply. We email tracking information once your purchase is shipped.
Delivery Map
IMPORTANT DELIVERY INFORMATION: Please be kindly informed that this air conditioner, due to its weight and shipping restrictions, is shipped palletized with an arranged freight service and requires an appointment for delivery. To AVOID delays, please check if the provided phone number in the order details is a current number where you can be reached. You can also contact the carrier directly and refer to your tracking number to set up a date and time for your appointment. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. PLEASE verify your shipping address, as changes to the address after freight has shipped can result in an additional 15% or higher fee depending on freight weight and dimensions.
SMALLWARES INFORMATION: Please be informed that for smaller items, such as Installation Kits, Smart Connectivity Dongles, and TTW Sleeves, when these items are ordered individually, they may be shipped via FedEx without a signature requirement. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. Thank you for your understanding and cooperation.
INSPECT YOUR MERCHANDISE BEFORE SIGNING: Please inspect your boxes thoroughly when you receive them. They should arrive shrink-wrapped and on a pallet. If you notice any damages or imperfections (e.g. crushed box or forklift hole), please write comments on the receipt before signing for delivery, no matter how small damages seem. Contact us immediately to assist you.
Shipping & Delivery
We will prepare your order within 24–48 hours if it’s received on a weekday (before noon). Orders are shipped in one to two business days. Transit time is between 3 to 6 business days, although exceptions apply. We email tracking information once your purchase is shipped.
Delivery Map

IMPORTANT DELIVERY INFORMATION
Please be informed that this air conditioner, due to its weight and shipping restrictions, is shipped palletized with an arranged freight service and requires an appointment for delivery.
To AVOID delays, please make sure the phone number in your order details is accurate and one where you can be reached. You may also contact the carrier directly using your tracking number to schedule your delivery.
It is your responsibility to ensure a safe and secure delivery environment. We are not liable for any packages that are stolen or lost after delivery is confirmed.
Please verify your shipping address carefully. Changes to your shipping address after the freight has been shipped may result in additional fees of 15% or more, depending on freight weight and dimensions.
SMALLWARES INFORMATION
Smaller items such as Installation Kits, Smart Connectivity Dongles, and TTW Sleeves may be shipped via FedEx without a signature requirement if ordered individually.
It is your responsibility to ensure a safe delivery location. We are not liable for packages lost or stolen after delivery confirmation. Thank you for your understanding and cooperation.
INSPECT YOUR MERCHANDISE BEFORE SIGNING
Please inspect your boxes carefully upon delivery. Shipments should arrive shrink-wrapped and on a pallet. If you notice any damage or signs of mishandling (such as a crushed box or forklift puncture), write comments on the delivery receipt before signing, even if the damage appears minor.
Contact us immediately if any issues arise so we can assist you promptly.
SMS Delivery Notifications
If you opted into SMS notifications, we may send you order updates or delivery reminders by text message. Message frequency may vary. Message and data rates may apply. Text STOP to opt out. Text HELP for assistance.
For more details, see our Privacy Policy.
Cooper & Hunter
DETAILED PRODUCT BOOKLETS FOR THIS PRODUCT:
Olivia Series Booklet
Multi-Zone Booklet
Specification Table
Quick-Start Guide
Installation Manual
General Manufacturing Information
Rebates




