MRCOOL® E Star DIY 4th Gen 9k BTU Ductless Mini-Split Indoor Air Handler 230V/60Hz Multi-Zone R410A, 9,000 BTU 230V High Wall-Mount Air Conditioning, Heat Pump, Mini Split Inverter System Up To 22 SEER2 with Wi-Fi, Choose Line Kit - DIY-09-HP-WMAH-230C25
Summary
As part of a MRCOOL® DIY system, the MRCOOL® DIY 9K BTU Ductless Wall Mounted Air Handler is one of the most efficient air handlers available. Not only can it produce a 22 SEER efficiency rating it can also cover an area up to 375 sq. ft. It is also incredibly versatile and equipped with multiple operating modes, which include COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP. This unit also has the capability to be controlled by your Apple or Android smartphone through the use of the Smart HVAC app. With its light and compact design, it can be installed easily to most interior walls with the included mounting plate. To take the simplicity of the installation even further, this air handler is designed to be used with MrCool’s patented Pre-Charged Quick Connect Line Set. The line set is equipped with quick connectors which give a DIY installer the ability to connect the refrigerant piping with wrenches. The line set comes from the factory pre-charged with the correct amount of R-410A refrigerant, so no vacuuming is necessary. Let the MrCool 4th Generation 9K BTU Ductless Wall Mounted Air Handler all of the heating and cooling necessities of your home.
What's Included
- Indoor Unit DIY-09-HP-WMAH-230C25 (MRCOOL® E Star DIY 4th Gen 9k 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-09-HP-WMAH-230C25
BRAND NAME | MRCOOL |
SERIES |
DIY 4th Gen Wall Mount Air Handler
|
MODEL |
DIY-09-HP-WMAH-230C25
|
GTIN | 810063869533 |
UPC | 810063869533 |
UNIT TYPE | Mini Split |
SHORT DESCRIPTION |
MRCOOL® E Star DIY 4th Gen 9k BTU Ductless Mini-Split Air Handler 230V/60Hz
|
LONG DESCRIPTION |
As part of a MRCOOL® DIY system, the MRCOOL® DIY 9K BTU Ductless Wall Mounted Air Handler is one of the most efficient air handlers available. Not only can it produce a 22 SEER efficiency rating it can also cover an area up to 375 sq. ft. It is also incredibly versatile and equipped with multiple operating modes, which include COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP. This unit also has the capability to be controlled by your Apple or Android smartphone through the use of the Smart HVAC app. With its light and compact design, it can be installed easily to most interior walls with the included mounting plate. To take the simplicity of the installation even further, this air handler is designed to be used with MrCool’s patented Pre-Charged Quick Connect Line Set. The line set is equipped with quick connectors which give a DIY installer the ability to connect the refrigerant piping with wrenches. The line set comes from the factory pre-charged with the correct amount of R-410A refrigerant, so no vacuuming is necessary. Let the MrCool 4th Generation 9K BTU Ductless Wall Mounted Air Handler all of the heating and cooling necessities of your home.
|
FEATURE LIST |
SmartHVAC app: WIFI control - control your DIY anywhere with your Apple or Android smart device and an Internet connection
Standard 7-year compressor/5-year parts warranty; register for limited lifetime compressor warranty Compatible with Amazon Alexa and Google Assistant Includes the new DIY Pro™ Cable, an added safety feature to protect the wiring from the outside elements |
COOLING CAPACITY (BTU) | 9000 |
HEATING CAPACITY (BTU) | 9000 |
VOLTAGE (V) | 208-230 |
PHASE | 1 |
CYCLE | 60 |
MAX FUSE BREAKER (A) | 15 |
MIN CIRCUIT AMPACITY (A) | 3 |
MOUNT TYPE | Wall |
COLOR | White |
COLOR FAMILY | White |
MAX COVERAGE AREA | Up to 375 |
REFRIGERANT TYPE | R-410A |
DECIBEL RATING (DBA) | 35 |
DECIBEL RATING LOW (DBA) | 25 |
DECIBEL RATING HIGH (DBA) | 40 |
INVERTER | Yes |
LIQUID LINE SIZE | 1/4 |
SUCTION LINE SIZE | 1/2 |
BLOWER MOTOR RPM | 1050/850/650 |
FAN ONLY OPTION | Yes |
QUIET MODE | Yes |
AUTO COOL | Yes |
WIFI COMPATIBILITY | Yes |
APP COMPATIBILITY | Yes |
WORKS WITH IOS | Yes |
WORKS WITH ANDROID | Yes |
REMOTE CONTROL INCLUDED | Yes |
ENERGY STAR CERTIFIED | Yes |
AHRI CERTIFIED | Yes |
REGISTERED WARRANTY |
Limited Lifetime Compressor
|
BASE WARRANTY |
5-year Parts/7-year Compressor
|
BASE PARTS WARRANTY | 5-year Parts |
REGISTERED COMPRESSOR WARRANTY |
Limited Lifetime Compressor
|
BASE COMPRESSOR WARRANTY |
7-year Compressor
|
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) | 7.44 |
NET HEIGHT (IN) | 11.69 |
NET WIDTH (IN) | 31.57 |
NET WEIGHT (LBS) | 23.81 |
GROSS DEPTH (IN) | 16.34 |
GROSS HEIGHT (IN) | 13.98 |
GROSS WIDTH (IN) | 36.02 |
GROSS WEIGHT (LBS) | 34 |
IMAGE 1 | Open |
IMAGE 2 | Open |
IMAGE 3 | Open |
IMAGE 4 | Open |
IMAGE 5 | Open |
IMAGE 6 | Open |
IMAGE 7 | Open |
IMAGE 8 | Open |
IMAGE 9 | Open |
IMAGE 10 | Open |
BROCHURE | Open |
INSTALL MANUAL | Open |
SPECS | Open |
REMOTE MANUAL | Open |
SERVICE MANUAL | Open |
WARRANTY DOC | Open |
FRENCH INSTALL MANUAL | Open |
FRENCH TECH MANUAL | Open |
FRENCH WARRANTY DOCUMENT | Open |
Certifications
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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




