The MRCOOL® DIY® 5th Gen Multi-Zone 36,000 BTU Ductless Mini Split is designed to provide independent heating and cooling across three separate rooms. With three 9,000 BTU wall-mounted air handlers connected to a single outdoor condenser, this system delivers balanced multi-zone comfort from one efficient HVAC solution.
Each 9,000 BTU air handler can condition spaces up to approximately 400 square feet, making this configuration well suited for bedrooms, offices, living areas, additions, and other medium-sized rooms. The 36,000 BTU outdoor condenser provides the capacity needed to operate all three indoor zones through one system.
With a 23 SEER2 rating, DC inverter technology, R-454B refrigerant, smartphone app controls, Follow Me® functionality, and MRCOOL's Quick Connect® installation technology, the system combines efficient year-round heating and cooling with a simplified DIY installation approach.
What's Included
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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 9,000 BTU Wall Mount Air Handler, DIY-09-HP-WMAH-230D25-O -
MRCOOL DIY 5th Gen 9,000 BTU Wall Mount Air Handler, DIY-09-HP-WMAH-230D25-O
Specifications:
BRAND NAME |
MRCOOL |
SERIES |
DIY 5th Gen Multi-Zone Mini-Splits |
EQUIPMENT TYPE |
Ductless Mini Split Heat Pump |
ZONE CONFIGURATION |
3-Zone |
CONDENSER CAPACITY |
36,000 BTU |
SEER2 |
23 |
EER2 |
12 |
HSPF2-4 |
9.9 |
HSPF2-5 |
7.5 |
TONNAGE |
3 Ton |
COOLING CAPACITY |
34,000 BTU |
HEATING CAPACITY |
36,000 BTU |
AIR HANDLER CONFIGURATION |
9,000 BTU + 9,000 BTU + 9,000 BTU |
AIR HANDLER COVERAGE |
Up to 400 sq. ft. each |
TOTAL COVERAGE |
Up to 1,200 sq. ft. |
VOLTAGE |
208/230V |
PHASE |
1 |
CYCLE |
60 Hz |
REFRIGERANT |
R-454B |
INVERTER |
DC Inverter |
LINE SET |
Pre-Charged Quick Connect® |
MAX LINE SET LENGTH |
221.4 ft. |
LIQUID LINE SIZE |
1/4 in. |
SUCTION LINE SIZE |
3/8 in. × 4; 1/2 in. × 1 |
MAX FUSE BREAKER |
35A |
MIN CIRCUIT AMPACITY |
30.5A |
CONDENSER NOISE |
64 dBA |
CONDENSER MODEL |
DIY-MULTI5-36HP230D-O |
AIR HANDLER MODEL |
DIY-09-HP-WMAH-230D25-O × 3 |
AIR HANDLER MOUNT TYPE |
Wall Mount |
AIR HANDLER FILTER |
Reusable |
WIFI COMPATIBILITY |
Yes |
APP COMPATIBILITY |
Yes |
IOS COMPATIBILITY |
Yes |
ANDROID COMPATIBILITY |
Yes |
FAN ONLY OPTION |
Yes |
QUIET MODE |
Yes |
AUTO COOL |
Yes |
FOLLOW ME® FEATURE |
Yes |
LOW AMBIENT COOLING |
Yes |
COMPRESSOR MOTOR TYPE |
Rotary |
AUXILIARY HEATER |
No |
CERTIFICATIONS |
UL, ETL, ENERGY STAR®, AHRI |
BASE PARTS WARRANTY |
5 Years |
BASE COMPRESSOR WARRANTY |
7 Years |
SKU |
DIYM336HPW08D |
GTIN |
840255587464 |
UPC |
840255587464 |
















