The MRCOOL® DIY® 5th Gen Multi-Zone 27,000 BTU ductless mini split system delivers customized heating and cooling across four separate zones. This configuration pairs one 6,000 BTU, two 9,000 BTU, and one 12,000 BTU wall-mounted air handler with a single outdoor condenser, making it well suited for rooms with varying comfort requirements.
Its 23 SEER2 DC inverter technology continuously adjusts system output based on demand, helping maintain consistent indoor temperatures while using energy efficiently. Each wall-mounted air handler provides independent zone control, washable filtration, Follow Me® functionality, and wireless remote operation.
Designed for DIY installation, the system uses pre-charged Quick Connect® line sets with R-454B refrigerant. SmartHVAC controls allow convenient operation through a smartphone and integration with Amazon Alexa and Google Home. The four-zone condenser supports up to four indoor air handlers and is rated for 26,000 BTU cooling and heating capacity.
What's Included
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MRCOOL DIY 5th Gen Multi-Zone 27,000 BTU Mini Split Condenser, DIY-MULTI4-27HP230D-O
Quantity: 1 -
MRCOOL DIY 5th Gen 6,000 BTU Wall Mount Air Handler, DIY-06-HP-WMAH-230D25-O
Quantity: 1 -
MRCOOL DIY 5th Gen 9,000 BTU Wall Mount Air Handler, DIY-09-HP-WMAH-230D25-O
Quantity: 2 -
MRCOOL DIY 5th Gen 12,000 BTU Wall Mount Air Handler, DIY-12-HP-WMAH-230D25-O
Quantity: 1
Specifications:
BRAND NAME |
MRCOOL |
SERIES |
DIY 5th gen Multi-Zone Mini-splits |
MODEL |
DIY-MULTI4-27HP230D-O |
GTIN |
840255587457 |
UPC |
840255587457 |
EQUIPMENT TYPE |
Ductless Mini Split Heat Pump |
ZONE CONFIGURATION |
4-Zone |
CONDENSER CAPACITY |
27,000 BTU |
SEER2 |
23 |
EER2 |
12 |
HSPF2-4 |
9.5 |
HSPF2-5 |
7 |
TONNAGE |
2.25 Ton |
COOLING CAPACITY |
26,000 BTU |
HEATING CAPACITY |
26,000 BTU |
AIR HANDLER CONFIGURATION |
6,000 BTU + 9,000 BTU + 9,000 BTU + 12,000 BTU |
6K AIR HANDLER MODEL |
DIY-06-HP-WMAH-230D25-O |
6K AIR HANDLER QUANTITY |
1 |
6K AIR HANDLER COVERAGE |
200 sq. ft. |
6K AIR HANDLER MOUNT TYPE |
Wall |
6K AIR HANDLER COLOR |
White |
6K AIR HANDLER FILTER |
Reusable |
6K AIR HANDLER WIFI |
Yes |
6K REMOTE CONTROL |
Included |
9K AIR HANDLER MODEL |
DIY-09-HP-WMAH-230D25-O |
9K AIR HANDLER QUANTITY |
2 |
9K AIR HANDLER COVERAGE |
400 sq. ft. |
9K AIR HANDLER MOUNT TYPE |
Wall |
9K AIR HANDLER COLOR |
White |
9K AIR HANDLER FILTER |
Reusable |
9K AIR HANDLER WIFI |
Yes |
9K REMOTE CONTROL |
Included |
12K AIR HANDLER MODEL |
DIY-12-HP-WMAH-230D25-O |
12K AIR HANDLER QUANTITY |
1 |
12K AIR HANDLER COVERAGE |
600 sq. ft. |
Wall |
Wall |
12K AIR HANDLER COLOR |
White |
12K AIR HANDLER FILTER |
Reusable |
12K AIR HANDLER WIFI |
Yes |
12K REMOTE CONTROL |
Included |
VOLTAGE |
208/230V |
PHASE |
1 |
CYCLE |
60 Hz |
MAX FUSE BREAKER |
25A |
MIN CIRCUIT AMPACITY |
23A |
COLOR |
White |
ZONE CAPACITY |
4 |
REFRIGERANT TYPE |
R-454B |
REFRIGERANT VOLUME |
84.66 oz. |
DECIBEL RATING |
61 dBA |
INVERTER |
DC |
MAX LINE SET LENGTH |
221.4 ft. |
LIQUID LINE SIZE |
1/4 in. |
SUCTION LINE SIZE |
3/8 in. |
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 |
IOS COMPATIBILITY |
Yes |
ANDROID COMPATIBILITY |
Yes |
CERTIFICATIONS |
UL, ETL, ENERGY STAR®, AHRI |
BASE PARTS WARRANTY |
5 Years |
BASE COMPRESSOR WARRANTY |
7 Years |
REGISTERED WARRANTY |
Extended Limited Lifetime* |
















