The MRCOOL® DIY® 5th Generation Multi-Zone 18,000 BTU system provides efficient year-round heating and cooling for two separate indoor spaces with a 6,000 BTU and 12,000 BTU configuration. With a 23.9 SEER2 rating, DC inverter technology, and an 18,000 BTU outdoor condenser, this system is designed to deliver dependable comfort while maintaining efficient operation.
Designed for convenient DIY installation, the system uses MRCOOL® pre-charged Quick Connect® line sets and an included DIYPRO® cable to simplify installation without traditional electrical conduit. The 6,000 BTU wall-mounted air handler is designed for spaces up to approximately 200 square feet, while the 12,000 BTU air handler provides coverage for spaces up to approximately 550 square feet.
The system features eco-friendly R-454B refrigerant, a Gold Fin® condenser, low ambient cooling, Follow Me® functionality, and smartphone app controls with Amazon Alexa and Google Assistant compatibility. The 18,000 BTU condenser can support up to three indoor units, providing additional flexibility for future expansion. Warranty coverage includes a 5-year parts warranty and a 7-year compressor warranty, with Limited Lifetime Replacement warranty coverage available through the MRCOOL® Care Program.
What's Included
-
MRCOOL DIY 5th Gen Multi-Zone 18,000 BTU Mini Split Condenser, DIY-MULTI3-18HP230D-O -
MRCOOL DIY 5th Gen 6,000 BTU Wall Mount Air Handler, DIY-06-HP-WMAH-230D25-O -
MRCOOL DIY 5th Gen 12,000 BTU Wall Mount Air Handler, DIY-12-HP-WMAH-230D25-O
Specifications:
|
BRAND NAME |
MRCOOL |
|
SERIES |
DIY 5th gen Multi-Zone Mini-splits |
|
MODEL |
DIYM218HPW02D |
|
CONDENSER MODEL |
DIY-MULTI3-18HP230D-O |
|
6K AIR HANDLER MODEL |
DIY-06-HP-WMAH-230D25-O |
|
12K AIR HANDLER MODEL |
DIY-12-HP-WMAH-230D25-O |
|
GTIN |
840255587617 |
|
UPC |
840255587617 |
|
EQUIPMENT TYPE |
Multi-Zone Ductless Mini-Split Heat Pump |
|
TONNAGE |
1.5 |
|
COOLING CAPACITY (BTU) |
18,000 |
|
HEATING CAPACITY (BTU) |
18,000 |
|
SEER2 |
23.9 |
|
EER2 |
13 |
|
HSPF2-4 |
10 |
|
HSPF2-5 |
7.8 |
|
VOLTAGE / PHASE / FREQUENCY |
208/230 V / 1 / 60 Hz |
|
MAX FUSE / BREAKER (A) |
20 |
|
MIN CIRCUIT AMPACITY (A) |
16 |
|
COLOR |
White |
|
ZONE CAPACITY |
3 |
|
REFRIGERANT TYPE |
R-454B |
|
REFRIGERANT VOLUME (OZ) |
61.73 |
|
DECIBEL RATING (DBA) |
60 |
|
INVERTER |
DC |
|
LINE SET LENGTH |
25 ft |
|
MAX LINESET LENGTH (FT) |
172.2 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 |
|
WORKS WITH IOS |
Yes |
|
WORKS WITH ANDROID |
Yes |
|
UL LISTED |
Yes |
|
ETL LISTED |
Yes |
|
ENERGY STAR CERTIFIED |
Yes |
|
AHRI CERTIFIED |
Yes |
|
REGISTERED WARRANTY |
Extended Limited Lifetime* |
|
BASE PARTS WARRANTY |
5 years |
|
BASE COMPRESSOR WARRANTY |
7 years |
|
6K AIR HANDLER VOLTAGE |
208/230 V |
|
6K MAX COVERAGE AREA |
200 sqft |
|
6K MOUNT TYPE |
Wall |
|
6K FILTER TYPE |
Reusable |
|
6K REMOTE CONTROL INCLUDED |
Yes |
|
6K NET DIMENSIONS (D X H X W) |
7.44 x 11.69 x 31.57 in |
|
6K NET WEIGHT (LBS) |
24.47 |
|
6K GROSS DIMENSIONS (D X H X W) |
16.34 x 14.37 x 36.02 in |
|
6K GROSS WEIGHT (LBS) |
35.05 |
|
12K AIR HANDLER VOLTAGE |
208/230 V |
|
12K MAX COVERAGE AREA |
550 sqft |
|
12K MOUNT TYPE |
Wall |
|
12K FILTER TYPE |
Reusable |
|
12K REMOTE CONTROL INCLUDED |
Yes |
|
12K NET DIMENSIONS (D X H X W) |
7.44 x 11.63 x 31.57 in |
|
12K NET WEIGHT (LBS) |
24.47 |
|
12K GROSS DIMENSIONS (D X H X W) |
16.34 x 14.37 x 36.02 in |
|
12K GROSS WEIGHT (LBS) |
35.05 |



















