The MRCOOL® DIY® 5th Generation Multi-Zone 27,000 BTU ductless mini-split system provides efficient heating and cooling for two separate areas with a 6,000 BTU and 24,000 BTU indoor unit configuration. With a 23 SEER2 rating and DC inverter technology, the system is designed to adjust its output efficiently while maintaining comfortable temperatures across both zones.
Built around MRCOOL® DIY® installation technology, the system uses pre-charged Quick Connect® line sets with R-454B refrigerant for a simplified installation process. The 6,000 BTU wall-mounted air handler is designed for spaces up to 200 square feet, while the 24,000 BTU air handler can cover up to 1,050 square feet, making this configuration suitable for combining smaller and larger living areas.
The system includes smart controls through the MRCOOL® Smart HVAC Controller® and app, along with Follow Me®, low ambient cooling, quiet operation, Gold Fin® condenser protection, and compatibility with Amazon Alexa and Google Assistant. It is backed by a 5-year parts warranty, 7-year compressor warranty, and optional extended limited lifetime replacement coverage through the MRCOOL® Care Program.
What's Included
-
MRCOOL DIY 5th Gen Multi-Zone 27,000 BTU Mini Split Condenser, DIY-MULTI4-27HP230D-O -
MRCOOL DIY 5th Gen 6,000 BTU Wall Mount Air Handler, DIY-06-HP-WMAH-230D25-O -
MRCOOL DIY 5th Gen 24,000 BTU Wall Mount Air Handler, DIY-24-HP-WMAH-230D25-O
Specifications:
BRAND NAME |
MRCOOL |
SERIES |
DIY 5th Gen Multi-Zone Mini-Splits |
MODEL |
DIY-MULTI4-27HP230D-O / DIY-06-HP-WMAH-230D25-O / DIY-24-HP-WMAH-230D25-O |
SKU |
DIYM227HPW07D24 |
GTIN / UPC |
840255587457 |
EQUIPMENT TYPE |
Multi-Zone Ductless Mini-Split Heat Pump |
CONFIGURATION |
2-Zone (6K + 24K) |
TONNAGE |
2.25 |
COOLING CAPACITY (BTU/H) |
26,000 |
HEATING CAPACITY (BTU/H) |
26,000 |
SEER2 |
23 |
EER2 |
12 |
HSPF2-4 |
9.5 |
HSPF2-5 |
7 |
VOLTAGE / PHASE / FREQUENCY |
208/230 V / 1 / 60 Hz |
MIN CIRCUIT AMPACITY (A) |
23 |
MAX FUSE / BREAKER (A) |
25 |
COLOR |
White |
ZONE CAPACITY |
4 |
REFRIGERANT |
R-454B |
REFRIGERANT VOLUME (OZ) |
84.66 |
DECIBEL RATING (DBA) |
61 |
INVERTER |
DC |
LINE SET LENGTH (FT) |
25 |
MAX LINE SET LENGTH (FT) |
221.4 |
LIQUID / SUCTION LINE SIZE |
1/4 in / 3/8 in |
COMPRESSOR MOTOR TYPE |
Rotary |
AUXILIARY HEATER INCLUDED / AVAILABLE |
No / No |
FAN ONLY OPTION |
Yes |
QUIET MODE |
Yes |
AUTO COOL |
Yes |
WIFI / APP COMPATIBILITY |
Yes / Yes |
WORKS WITH IOS / ANDROID |
Yes / Yes |
UL / ETL LISTED |
Yes / Yes |
ENERGY STAR CERTIFIED |
Yes |
AHRI CERTIFIED |
Yes |
REGISTERED WARRANTY |
Extended Limited Lifetime* |
BASE PARTS WARRANTY |
5 years |
BASE COMPRESSOR WARRANTY |
7 years |
CONDENSER DIMENSIONS (D X H X W) |
16.14 x 31.89 x 37.24 in |
CONDENSER NET / GROSS WEIGHT |
140.21 / 151.02 lb |
6K AIR HANDLER MODEL |
DIY-06-HP-WMAH-230D25-O |
6K AIR HANDLER VOLTAGE / PHASE / FREQUENCY |
208/230 V / 1 / 60 Hz |
6K AIR HANDLER MOUNT TYPE |
Wall |
6K AIR HANDLER MAX COVERAGE AREA |
200 sqft |
6K AIR HANDLER OSCILLATION |
Yes |
6K AIR HANDLER FILTER TYPE |
Reusable |
6K AIR HANDLER FEATURES |
Fan Only, Quiet Mode, Auto Cool, WiFi, App, iOS, Android |
6K AIR HANDLER REMOTE CONTROL |
Included |
6K AIR HANDLER CERTIFICATIONS |
UL / ETL / AHRI |
6K AIR HANDLER WARRANTY |
5-year Parts / 7-year Compressor |
6K AIR HANDLER DIMENSIONS (D X H X W) |
7.44 x 11.69 x 31.57 in |
6K AIR HANDLER NET / GROSS WEIGHT |
24.47 / 35.05 lb |
24K AIR HANDLER MODEL |
DIY-24-HP-WMAH-230D25-O |
24K AIR HANDLER TONNAGE |
2 |
24K AIR HANDLER VOLTAGE / PHASE / FREQUENCY |
208/230 V / 1 / 60 Hz |
24K AIR HANDLER MAX FUSE / BREAKER (A) |
15 |
24K AIR HANDLER MIN CIRCUIT AMPACITY (A) |
3 |
24K AIR HANDLER MOUNT TYPE |
Wall |
24K AIR HANDLER MAX COVERAGE AREA |
1050 sqft |
24K AIR HANDLER SOUND LEVEL (DBA) |
20 - 54 |
24K AIR HANDLER NUMBER OF SPEEDS |
5 |
24K AIR HANDLER OSCILLATION |
Yes |
24K AIR HANDLER LIQUID / SUCTION LINE SIZE |
3/8 in / 5/8 in |
24K AIR HANDLER FILTER TYPE |
Reusable |
24K AIR HANDLER FEATURES |
Fan Only, Quiet Mode, Auto Cool, WiFi, App, iOS, Android |
24K AIR HANDLER REMOTE CONTROL |
Included |
24K AIR HANDLER CERTIFICATIONS |
UL / ETL / ENERGY STAR / AHRI |
24K AIR HANDLER WARRANTY |
5-year Parts / 7-year Compressor / Extended Limited Lifetime* |
24K AIR HANDLER DIMENSIONS (D X H X W) |
8.9 x 13.19 x 42.52 in |
24K AIR HANDLER NET / GROSS WEIGHT |
35.93 / 49.82 lb |



















