The MRCOOLĀ® DIYĀ® 5th Generation Multi-Zone 36,000 BTU ductless mini-split system provides efficient year-round heating and cooling for two separate living spaces. This 23 SEER2 system combines a high-capacity multi-zone condenser with 9,000 BTU and 12,000 BTU wall-mounted air handlers, providing flexible comfort control for different room sizes while inverter technology continuously adjusts system output for efficient operation.
Designed around MRCOOLĀ® DIYĀ® technology, the system simplifies installation with Quick ConnectĀ® pre-charged line sets and an included DIYPROĀ® cable, reducing the need for traditional HVAC installation equipment. The 9,000 BTU air handler is suited for spaces up to approximately 400 square feet, while the 12,000 BTU unit can provide comfort for areas up to approximately 800 square feet.
The system includes convenient smart-home functionality through Wi-Fi and the MRCOOLĀ® Smart HVAC ControllerĀ® App, with support for Google Assistant and Amazon Alexa. Additional features include Follow MeĀ®, Fan Only, Quiet Mode, Auto Cool, reusable filters, and a Gold FinĀ® condenser coating. The 36,000 BTU condenser delivers up to 34,000 BTU of cooling and 36,000 BTU of heating capacity, with R-454B refrigerant, ENERGY STARĀ® and AHRI certification, a 5-year parts warranty, and a 7-year compressor warranty.
What's Included
-
MRCOOL DIY 5th Gen Multi-Zone 36,000 BTU Mini Split Condenser, DIY-MULTI5-36HP230D-O -
MRCOOL DIY 5th Gen 9,000 BTU Wall Mount Air Handler, DIY-09-HP-WMAH-230D25-O -
MRCOOL DIY 5th Gen 12,000 BTU Wall Mount Air Handler, DIY-18-HP-WMAH-230D25-O
Specifications:
|
BRAND NAME |
MRCOOL |
|
SERIES |
DIY 5th Gen Multi-Zone Mini-Splits |
|
MODEL |
DIY-MULTI5-36HP230D-O / DIY-09-HP-WMAH-230D25-O / DIY-18-HP-WMAH-230D25-O |
|
CONFIGURATION |
2-Zone (9K + 18K) |
|
TONNAGE |
3 |
|
COOLING CAPACITY (BTU) |
34,000 |
|
HEATING CAPACITY (BTU) |
36,000 |
|
SEER2 |
23 |
|
EER2 |
12 |
|
HSPF2-4 |
9.9 |
|
HSPF2-5 |
7.5 |
|
VOLTAGE / PHASE / FREQUENCY |
208/230 V / 1 / 60 Hz |
|
MIN CIRCUIT AMPACITY (A) |
30.5 |
|
MAX FUSE / BREAKER (A) |
35 |
|
COLOR |
White |
|
ZONE CAPACITY |
5 |
|
REFRIGERANT |
R-454B |
|
FACTORY REFRIGERANT CHARGE (OZ) |
104.75 |
|
OUTDOOR SOUND LEVEL (DBA) |
64 |
|
INVERTER |
DC |
|
LINE SET LENGTH |
25 ft |
|
MAX LINE SET LENGTH (FT) |
221.4 ft |
|
LIQUID LINE SIZE |
1/4 in |
|
SUCTION LINE SIZE |
3/8 in x 4 / 1/2 in x 1 |
|
COMPRESSOR MOTOR TYPE |
Rotary |
|
AUXILIARY HEATER INCLUDED |
No |
|
AUXILIARY HEATER AVAILABLE |
No |
|
FAN ONLY OPTION |
Yes |
|
QUIET MODE |
Yes |
|
AUTO COOL |
Yes |
|
WI-FI COMPATIBILITY |
Yes |
|
APP COMPATIBILITY |
Yes |
|
IOS / ANDROID COMPATIBILITY |
Yes / Yes |
|
SMART CONTROLS |
Google Assistant / Amazon Alexa |
|
CERTIFICATIONS |
UL / ETL / ENERGY STAR / AHRI |
|
BASE PARTS WARRANTY |
5 years |
|
BASE COMPRESSOR WARRANTY |
7 years |
|
REGISTERED WARRANTY |
Extended Limited Lifetime* |
|
CONDENSER DIMENSIONS (W X D X H) |
37.24 x 16.14 x 31.89 in |
|
CONDENSER NET / GROSS WEIGHT |
169.24 / 181.88 lb |
|
AIR HANDLER CONFIGURATION |
9,000 BTU + 18,000 BTU Wall-Mounted |
|
AIR HANDLER COVERAGE |
400 sq. ft. + 800 sq. ft. |
|
9K AIR HANDLER DIMENSIONS (W X D X H) |
31.57 x 7.44 x 11.69 in |
|
18K AIR HANDLER DIMENSIONS (W X D X H) |
31.57 x 7.44 x 11.63 in |
|
9K AIR HANDLER NET / GROSS WEIGHT |
24.47 / 35.05 lb |
|
18K AIR HANDLER NET / GROSS WEIGHT |
24.47 / 35.05 lb |


















