MRCOOL® 36k DIY 5th Generation Mini-Split Air Handler & Condenser 230VV w/ 25ft Pre-Charged Quick Connect® Line Set & DIY® Cable DIY-36-HP-WM-230D25-O
Summary
The 5th Generation MRCOOL® DIY® 36K BTU 18 SEER Ductless Mini-Split Heat Pump provides powerful, efficient climate control for large spaces up to 1,550 sq. ft., offering true DIY installation with no special tools or professional help required. Its pre-charged 25-foot QuickConnect® line set with R-454B refrigerant eliminates vacuuming needs, while the durable DIYPRO® cable replaces traditional electrical conduit, protecting against outdoor elements. The corrosion-resistant Gold Fin® Condenser ensures reliable performance in coastal areas, and multiple control options—including wireless remote, SmartHVAC app, and voice commands via Alexa/Google Assistant—make operation simple and convenient.
Designed for both comfort and efficiency, the system features Follow Me technology that adjusts temperatures based on the remote's location, Dry Mode for humidity control, and an Auto Restart function that preserves settings after power outages. The energy-saving Timer and anti-mildew protection help maintain optimal air quality while reducing excess moisture. With an 18 SEER rating, this heat pump delivers year-round heating and cooling for spaces between 1,000-1,500 sq. ft., combining smart technology with user-friendly operation.
Backed by industry-leading warranties—including a limited lifetime warranty, 7-year compressor coverage, and 5-year parts protection—the MRCOOL® DIY® 36K BTU system offers long-term reliability and peace of mind. Its robust construction, easy installation, and advanced features make it an ideal choice for homeowners seeking professional-grade comfort with the convenience of a DIY solution. Whether you need to heat or cool a large space, this system delivers efficient performance and customizable comfort in any season.
What's Included
-
Indoor Units MRCOOL® 36k DIY 5th Generation Mini-split Air Handler 230v w/ DIYPRO® Cable
- Outdoor Unit MRCOOL® 36k DIY 5th Generation Mini-Split Condenser 230v w/ 25ft DIY Quick Connect® Line Set
- Wireless Remote Controls
- Installation Manual
- User’s Manual
- Manufacturer Warranty
Warranty
- 7 year compressor limited warranty
- 5 year parts limited warranty
Warranty Inquiries are handled through MRCOOL at https://mrcool.com/contact/
Technical Information
DIY-36-HP-WMAH-230D25-O (Wall Mount Air Handler)
BRAND NAME |
MRCOOL |
SERIES |
DIY 5th gen Single-Zone Mini-splits |
MODEL |
DIY-36-HP-WMAH-230D25-O |
GTIN |
00840255587068 |
UPC |
840255587068 |
SHORT DESCRIPTION |
MRCOOL® 36k DIY 5th Generation Mini-split Air Handler 230v |
LONG DESCRIPTION |
The 5th Generation MRCOOL® DIY® 36K BTU Ductless Mini-Split Heat Pump is an efficient and versatile heating and cooling solution for spaces up to 1550 sq. ft. Designed for true do-it-yourself installation, it requires no special tools or professional help, making setup quick, straightforward, and cost-effective. A key feature of this system is the pre-charged 25-foot DIY® QuickConnect® line set, arriving to you already filled with R-454B refrigerant. This eliminates the need for vacuuming, reducing both installation time and expense. The included DIYPRO® cable further simplifies setup by removing the need for electrical conduit while enhancing durability against outdoor elements and wildlife. You can easily control the system using the included wireless remote, the SmartHVAC app on Apple and Android devices, or voice commands through Amazon Alexa and Google Assistant. For enhanced comfort, the Follow Me function ensures even temperature distribution by adjusting airflow based on the remote’s location. Dry Mode helps maintain a pleasant indoor environment by reducing excess humidity. Built for longevity, the Gold Fin® Condenser resists corrosion, making it ideal for coastal areas. This system is backed by a robust warranty package, including a limited lifetime warranty, a 7-year compressor warranty, and a 5-year parts warranty. Experience effortless installation, smart features, and reliable year-round comfort with MRCOOL® DIY®. |
FEATURE LIST |
|
TONNAGE |
3 |
VOLTAGE (V) |
208/230 |
PHASE |
1 |
CYCLE |
60 |
MAX FUSE BREAKER (A) |
15 |
MIN CIRCUIT AMPACITY (A) |
3 |
MOUNT TYPE |
Wall |
COLOR |
White |
MAX COVERAGE AREA |
1550 sqft |
DECIBEL RATING LOW (DBA) |
27.5 |
DECIBEL RATING HIGH (DBA) |
55.5 |
NUMBER OF SPEEDS |
5 |
OSCILLATION |
Yes |
LIQUID LINE SIZE |
3/8 |
SUCTION LINE SIZE |
5/8 |
FILTER TYPE |
Reusable |
AUXILIARY HEATER INCLUDED |
No |
AUXILIARY HEATER AVAILABLE |
No |
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 |
UL LISTED |
Yes |
ETL LISTED |
Yes |
AHRI CERTIFIED |
Yes |
REGISTERED WARRANTY |
Extended Limited Lifetime* |
BASE PARTS WARRANTY |
5 |
BASE COMPRESSOR WARRANTY |
7 |
HAS BATTERIES |
Yes |
CONTAINS ELECTRONICS |
Yes |
CONTAINS CHEMICALS |
Yes |
CONTAINS AEROSOL |
Yes |
CONTAINS COMPRESSED GAS |
Yes |
PROPOSITION 65 WARNING |
Yes |
NET DEPTH (IN) |
11.1 |
NET HEIGHT (IN) |
14.25 |
NET WIDTH (IN) |
49.57 |
NET WEIGHT (LBS) |
48.72 |
GROSS DEPTH (IN) |
18.74 |
GROSS HEIGHT (IN) |
16.57 |
GROSS WIDTH (IN) |
53.94 |
GROSS WEIGHT (LBS) |
67.9 |
Install Manual |
Remote Manual |
Outdoor Model Number:DIY-36-HP-C-230D25-O
BRAND NAME |
MRCOOL |
SERIES |
DIY 5th gen Single-Zone Mini-splits |
MODEL |
DIY-36-HP-C-230D25-O |
GTIN |
00840255586986 |
UPC |
840255586986 |
SHORT DESCRIPTION |
MRCOOL® 36k DIY 5th Generation Mini-Split Condenser 230v |
LONG DESCRIPTION |
The 5th Generation MRCOOL® DIY® 36k BTU 18 SEER Ductless Heat Pump Single Zone Mini Split Condenser makes it easy to stay comfortable year-round. Designed for straightforward installation, this system requires no special tools or professional expertise, making it a great choice for spaces between 1,000-1,500 sq. ft. Installation is hassle-free thanks to the pre-charged 25-foot QuickConnect® line set, which comes filled with R-454B refrigerant, eliminating the need for vacuuming. The DIYPRO® cable adds extra durability, replacing traditional electrical conduit to safeguard against weather, animals, and yardwork damage. Multiple control options let you adjust settings with ease. Use the included remote, the SmartHVAC app on Apple or Android devices, or voice commands via Amazon Alexa and Google Assistant. If you live near the coast, the Gold Fin Condenser offers excellent corrosion resistance, ensuring long-lasting performance. This system includes features that enhance both comfort and efficiency. The Timer function helps manage energy use, while Auto mode keeps your space at your preferred temperature without manual adjustments. After a power outage, the system automatically restores its previous settings. Plus, the anti-mildew function prevents excess condensation buildup inside the air handler. Designed for reliability, the 5th Generation MRCOOL® DIY® Mini Split comes with an industry-leading limited lifetime warranty, along with a 7-year compressor and 5-year parts warranty. With innovative technology, easy setup, and long-term dependability, this system delivers efficient climate control without the stress. |
FEATURE LIST |
|
SEER2 |
18 |
EER2 |
8.5 |
HSPF2-4 |
8.5 |
HSPF2-5 |
6.5 |
TONNAGE |
3 |
COOLING CAPACITY (BTU) |
36000 |
HEATING CAPACITY (BTU) |
36000 |
VOLTAGE (V) |
208/230 |
PHASE |
1 |
CYCLE |
60 |
MAX FUSE BREAKER (A) |
35 |
MIN CIRCUIT AMPACITY (A) |
33 |
COLOR |
White |
ZONE CAPACITY |
1 |
REFRIGERANT TYPE |
R-454B |
REFRIGERANT VOLUME (OZ) |
109.7 |
DECIBEL RATING (DBA) |
60.5 |
INVERTER |
DC |
LINE SET LENGTH |
25 |
MAX LINESET LENGTH (FT) |
213.2 |
LIQUID LINE SIZE |
3/8 |
SUCTION LINE SIZE |
5/8 |
COMPRESSOR MOTOR TYPE |
Rotary |
AUXILIARY HEATER INCLUDED |
No |
AUXILIARY HEATER AVAILABLE |
No |
FAN ONLY OPTION |
Yes |
QUIET MODE |
Yes |
AUTO COOL |
Yes |
WIFI COMPATIBILITY |
Yes |
APP COMPATIBILITY |
Yes |
WORKS WITH IOS |
Yes |
WORKS WITH ANDROID |
Yes |
UL LISTED |
Yes |
ETL LISTED |
Yes |
AHRI CERTIFIED |
Yes |
REGISTERED WARRANTY |
Extended Limited Lifetime* |
BASE PARTS WARRANTY |
5 |
BASE COMPRESSOR WARRANTY |
7 |
HAS BATTERIES |
Yes |
CONTAINS ELECTRONICS |
Yes |
CONTAINS CHEMICALS |
Yes |
CONTAINS AEROSOL |
Yes |
CONTAINS COMPRESSED GAS |
Yes |
PROPOSITION 65 WARNING |
Yes |
NET DEPTH (IN) |
16.14 |
NET HEIGHT (IN) |
31.89 |
NET WIDTH (IN) |
37.24 |
NET WEIGHT (LBS) |
152.12 |
GROSS DEPTH (IN) |
19.88 |
GROSS HEIGHT (IN) |
37.01 |
GROSS WIDTH (IN) |
42.91 |
GROSS WEIGHT (LBS) |
183.42 |
Certifications
ADD EXTRA 1/4"-1/2" INSTALLATION KITS?
-
MRCOOL DIY R-410A Charged Line Set 1/4"-1/2" Mini Split Quick-Connection for DIY 9K, 12K & 18K with Connection Wires (Select Size)
Regular price $205.00Sale price $205.00 Regular priceUnit price per$140.00
Line covers
-
12FT PVC Decorative Line Set Cover Kit for Ductless Mini Split Air Conditioners, Heat Pumps, and Inverters systems.
Regular price $73.00Sale price $73.00 Regular priceUnit price per -
16.5FT Brown PVC Decorative Line Set Cover Kit for Ductless Mini Split Air Conditioners, Heat Pumps, and Inverters systems.
Regular price $89.00Sale price $89.00 Regular priceUnit price per
Brackets and Concrete Pads
-
18"x40"x4" Plastic Equipment Mounting Pads – Lightweight, Durable Base for HVAC Units & Outdoor Installations
Regular price $69.00Sale price $69.00 Regular priceUnit price perSold out -
Heavy-Duty Mini Split Ground Stand with Load Capacity up to 500LBS, Condenser Bracket for 9000-36000 BTU Ductless Air Conditioners and Heat Pump, Inverter Systems
Regular price $129.99Sale price $129.99 Regular priceUnit price per -
Heavy-Duty Mini Split Ground Stand with Load Capacity up to 770LBS, Condenser Bracket for 9000-60000 BTU Ductless Air Conditioners and Heat Pumps, Inverter Systems
Regular price $169.99Sale price $169.99 Regular priceUnit price perSold out -
Heavy-Duty Mini Split Wall Bracket with Load Capacity up to 480LBS, Condenser Bracket for High BTU Ductless Air Conditioners and Heat Pump, Inverter Systems
Regular price $59.97Sale price $59.97 Regular priceUnit price per -
Mini Split Compressor Bracket for 6,000 - 28,000 BTU
Regular price $39.97Sale price $39.97 Regular priceUnit price per
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




