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MRCOOL® DIY Mini Split 36,000 BTU 21.5 SEER 3 Zone Ductless Air Conditioner and Heat Pump 9K + 9K + 18K
The MRCOOL® DIY Mini Split 36,000 BTU 21.5 SEER 3 Zone Ductless Air Conditioner and Heat Pump 9K + 9K + 18K offers a complete solution to your home’s heating and cooling needs. This system can heat & cool two distinct areas up to 450 square feet with the 9K air handlers, and one area up to 900 square feet with the 18k air handler, all while capable of an Energy Star-certified, 21.5 SEER high-efficiency rating. However, the best feature of this system is the ease of installation it provides to the homeowner. With the included pre-charged line sets, some hand tools, and a few hours of time this entire system can be completely installed. This system comes equipped with many functions that separate it from the rest. It has multiple operating modes, which include AUTO, HEAT, COOL, FAN-ONLY, DRY (dehumidification) and SLEEP. It also features the Follow Me function, which allows the system to continually adjust the room temperature based on where the hand-held remote controller is. Need to operate the system when you’re not at home? No problem. The MCOOL® system also has the capability of being operated with your smartphone with the use of the Smart HVAC app. MCOOL® stands behind the quality and workmanship of this system by being the only manufacturer to offer a limited lifetime compressor warranty.
MRCOOL® DIY 4th Gen 36K BTU Multi-Zone 4-Zone Condenser 230V - DIY-MULTI4-36HP230C

The 4th Generation MRCOOL® DIY 36K BTU 4-Zone Ductless Heat Pump offers the latest in heat pump innovations.This condenser has the ability to support up to 4 zones and, when paired with select MrCool air handlers, can provide a SEER efficiency rating of up to 21.5. It even has the ability to provide heat when temperatures drop to -13°F. It features a Gold Fin Condenser coating which allows it to withstand the elements and resist corrosion. MrCool stands behind the quality & durability of this condenser by being the only manufacturer to offer a limited lifetime compressor warranty. However, the most innovative feature is that it can be installed by the homeowner without the use of a certified technician. This is possible because the condenser is intended to be used with MrCool’s patented Pre-Charged Quick Connect Line Sets. These line sets are precharged with R-410A refrigerant and feature quick connect connectors which allow it to be connected using only wrenches. Because it is pre-charged, the system will not require vacuuming once the installation is complete. The 4th Generation MrCool DIY 36K BTU 4-Zone Ductless Heat Pump is one of the best options on the market when it comes to multi-zone comfort.
Features:
- Up to 21.5 SEER
- Delivers maximum performance even when temperatures reach -13°F
- Gold Fin® condenser: corrosion resistant - live on the coast? Don't worry, our condenser is built to resist long-term corrosion
- Energy-Efficient DC Inverter
- R-410A environmentally friendly refrigerant
- Standard 7-year compressor/5-year parts warranty; register for limited lifetime compressor warranty
MRCOOL® DIY 4th Gen 9K BTU Wall Mount Air Handler - DIY-09-HP-WMAH-230C25

As part of a MRCOOL® DIY system, the MRCOOL® DIY 9K BTU Ductless Wall Mounted Air Handler is one of the most efficient air handlers available. Not only can it produce a 22 SEER efficiency rating it can also cover an area up to 450 sq. ft. It is also incredibly versatile and equipped with multiple operating modes, which include COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP. This unit also has the capability to be controlled by your Apple or Android smartphone through the use of the Smart HVAC app. With its light and compact design, it can be installed easily to most interior walls with the included mounting plate. To take the simplicity of the installation even further, this air handler is designed to be used with MrCool’s patented Pre-Charged Quick Connect Line Set. The line set is equipped with quick connectors which give a DIY installer the ability to connect the refrigerant piping with wrenches. The line set comes from the factory pre-charged with the correct amount of R-410A refrigerant, so no vacuuming is necessary. Let the MrCool 4th Generation 9K BTU Ductless Wall Mounted Air Handler all of the heating and cooling necessities of your home.
Features:
- Ideal for spaces up to 450 square feet
- SmartHVAC app: WIFI control - control your DIY anywhere with your Apple or Android smart device and an Internet connection
- Standard 7-year compressor/5-year parts warranty; register for limited lifetime compressor warranty
- Compatible with Amazon Alexa and Google Assistant
- Includes the new DIY Pro™ Cable, an added safety feature to protect the wiring from the outside elements
MRCOOL® DIY 4th Gen 18K BTU Wall Mount Air Handler - DIY-18-HP-WMAH-230C25

The MRCOOL® 4th Generation DIY 18K BTU Ductless Wall Mounted Air Handler is one of the most capable on the market. When part of a MRCOOL® DIY system, it can reach an effective 22 SEER efficiency rating and deliver that performance to an area up to 900 sq. ft. This air handler is also very versatile because of its many different operating modes, these include, COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP. It also has the ability to be controlled from anywhere using an Apple or Android smartphone with our convenient Smart HVAC app. This air handler is very compact and relatively light, so it can easily be mounted to most interior walls using the included mounting plate. The ease of installation does not stop there, as it is designed to be used along with the MrCool Pre-Charged Quick Connect Line Set. This allows the installer to easily connect the refrigerant piping, which is precharged with the correct amount of R-410A refrigerant, with the use of simple hand tools. This also means the system will not require any vacuuming once the line set is connected. The MrCool DIY 18K BTU Ductless Wall Mounted Air Handler has the performance to handle your home comfort needs.
Features:
- Ideal for spaces up to 900 square feet
- SmartHVAC app: WIFI control - control your DIY anywhere with your Apple or Android smart device and an Internet connection
- Standard 7-year compressor/5-year parts warranty; register for limited lifetime compressor warranty
- Compatible with Amazon Alexa and Google Assistant
- Includes the new DIY Pro™ Cable, an added safety feature to protect the wiring from the outside elements
This bundle includes:
- All accessories needed for a full installation
Condenser Specifications:
| MODEL | DIY-MULTI4-36HP230C |
| SEER | 21.5 |
| EER | 10.5 |
| HSPF | hspf4/hspf5 : 11/8.5 |
| CFM | 2147.06 |
|
COOLING CAPACITY |
36000 BTU |
|
HEATING CAPACITY |
36000 BTU |
|
VOLTAGE |
208-230 V |
| PHASE | 1 |
| CYCLE | 60 Hz |
|
MAX FUSE BREAKER |
45 A |
|
MIN CIRCUIT AMPACITY |
27 A |
| COLOR | White |
|
COLOR FAMILY |
White |
|
ZONE CAPACITY |
Up to 4 |
|
REFRIGERANT TYPE |
R-410A |
|
REFRIGERANT VOLUME |
134.04 oz |
|
DECIBEL RATING |
65 dBA |
| INVERTER | Yes |
|
MIN AMBIENT COOL |
5F ~ 122F |
|
MIN AMBIENT HEAT |
-13F ~ 75.2F |
|
MAX LINESET LENGTH |
221 ft TOTAL |
|
LIQUID LINE SIZE |
1/4in (3/8in w/ adapter) |
|
SUCTION LINE SIZE |
1/2in (5/8in w/ adapter) |
|
COMPRESSOR MOTOR TYPE |
Rotary |
|
CONDENSER FAN MOTOR RPM |
1000/900/750 |
|
WIFI COMPATIBILITY |
Yes |
|
APP COMPATIBILITY |
Yes |
|
WORKS WITH IOS |
Yes |
|
WORKS WITH ANDROID |
Yes |
|
REGISTERED WARRANTY |
Limited Lifetime Compressor |
|
BASE WARRANTY |
5-year Parts/7-year Compressor |
|
BASE PARTS WARRANTY |
5-year Parts |
|
REGISTERED COMPRESSOR WARRANTY |
Limited Lifetime Compressor |
|
BASE COMPRESSOR WARRANTY |
7-year Compressor |
|
CONTAINS ELECTRONICS |
Yes |
|
CONTAINS CHEMICALS |
Yes |
|
CONTAINS AEROSOL |
Yes |
|
CONTAINS COMPRESSED GAS |
Yes |
|
PROPOSITION 65 WARNING |
Yes |
|
NET DEPTH |
16.14 in |
|
NET HEIGHT |
31.89 in |
|
NET WIDTH |
37.24 in |
|
NET WEIGHT |
170.42 lbs |
|
GROSS DEPTH |
19.88 in |
|
GROSS HEIGHT |
35.04 in |
|
GROSS WIDTH |
42.91 in |
|
GROSS WEIGHT |
187.83 lbs |
9K BTU Air Handler Specifications:
| MODEL | DIY-09-HP-WMAH-230C25 |
|
COOLING CAPACITY |
9000 BTU |
|
HEATING CAPACITY |
9000 BTU |
|
VOLTAGE |
208-230 V |
| PHASE | 1 |
| CYCLE | 60 Hz |
|
MAX FUSE BREAKER |
15 A |
|
MIN CIRCUIT AMPACITY |
3 A |
| MOUNT TYPE |
Wall |
| COLOR | White |
|
COLOR FAMILY |
White |
|
MAX COVERAGE AREA |
Up to 450 sqft |
|
REFRIGERANT TYPE |
R-410A |
|
DECIBEL RATING |
35 dBA |
|
DECIBEL RATING LOW |
25 dBA |
|
DECIBEL RATING HIGH |
40 dBA |
| INVERTER | Yes |
|
LIQUID LINE SIZE |
1/4 in |
|
SUCTION LINE SIZE |
1/2 in |
|
BLOWER MOTOR RPM |
1050/850/650 |
| FAN ONLY OPTION |
Yes |
|
QUIET MODE |
Yes |
|
AUTO COOL |
Yes |
|
WIFI COMPATIBILITY |
Yes |
|
APP COMPATIBILITY |
Yes |
|
WORKS WITH IOS |
Yes |
|
WORKS WITH ANDROID |
Yes |
|
REMOTE CONTROL INCLUDED |
Yes |
|
ENERGY STAR CERTIFIED |
Yes |
|
AHRI CERTIFIED |
Yes |
|
REGISTERED WARRANTY |
Limited Lifetime Compressor |
|
BASE WARRANTY |
5-year Parts/7-year Compressor |
|
BASE PARTS WARRANTY |
5-year Parts |
|
REGISTERED COMPRESSOR WARRANTY |
Limited Lifetime Compressor |
|
BASE COMPRESSOR WARRANTY |
7-year Compressor |
|
HAS BATTERIES |
Yes |
|
CONTAINS ELECTRONICS |
Yes |
|
CONTAINS CHEMICALS |
Yes |
|
CONTAINS AEROSOL |
Yes |
|
CONTAINS COMPRESSED GAS |
Yes |
|
PROPOSITION 65 WARNING |
Yes |
|
RESTRICTED STATES |
GU;PR;VI |
|
NET DEPTH |
7.44 in |
|
NET HEIGHT |
11.69 in |
|
NET WIDTH |
31.57 in |
|
NET WEIGHT |
23.81 lbs |
|
GROSS DEPTH |
16.34 in |
|
GROSS HEIGHT |
13.98 in |
|
GROSS WIDTH |
36.02 in |
|
GROSS WEIGHT |
34.39 lbs |
18K Air Handler Specifications:
| MODEL | DIY-18-HP-WMAH-230C25 |
|
COOLING CAPACITY |
18000 BTU |
|
HEATING CAPACITY |
18000 BTU |
|
VOLTAGE |
208-230 V |
| PHASE | 1 |
| CYCLE | 60 Hz |
| MOUNT TYPE |
Wall |
| COLOR | White |
|
COLOR FAMILY |
White |
|
MAX COVERAGE AREA |
Up to 900 sqft |
|
REFRIGERANT TYPE |
R-410A |
|
DECIBEL RATING |
44.5/37/31 |
|
DECIBEL RATING LOW |
31 dBA |
|
DECIBEL RATING HIGH |
44.5 dBA |
| INVERTER | Yes |
| MAX LINESET LENGTH |
98.42 ft |
|
LIQUID LINE SIZE |
1/4 in |
|
SUCTION LINE SIZE |
1/2 in |
|
BLOWER MOTOR RPM |
1120/950/700 |
| FAN ONLY OPTION |
Yes |
|
QUIET MODE |
Yes |
|
AUTO COOL |
Yes |
|
WIFI COMPATIBILITY |
Yes |
|
APP COMPATIBILITY |
Yes |
|
WORKS WITH IOS |
Yes |
|
WORKS WITH ANDROID |
Yes |
|
REMOTE CONTROL INCLUDED |
Yes |
|
ENERGY STAR CERTIFIED |
Yes |
|
AHRI CERTIFIED |
Yes |
|
REGISTERED WARRANTY |
Limited Lifetime Compressor |
|
BASE WARRANTY |
5-year Parts/7-year Compressor |
|
BASE PARTS WARRANTY |
5-year Parts |
|
REGISTERED COMPRESSOR WARRANTY |
Limited Lifetime Compressor |
|
BASE COMPRESSOR WARRANTY |
7-year Compressor |
|
HAS BATTERIES |
Yes |
|
CONTAINS ELECTRONICS |
Yes |
|
CONTAINS CHEMICALS |
Yes |
|
CONTAINS AEROSOL |
Yes |
|
CONTAINS COMPRESSED GAS |
Yes |
|
PROPOSITION 65 WARNING |
Yes |
|
RESTRICTED STATES |
GU;PR;VI |
|
NET DEPTH |
8.90 in |
|
NET HEIGHT |
13.19 in |
|
NET WIDTH |
42.52 in |
|
NET WEIGHT |
34.61 lbs |
|
GROSS DEPTH |
19.57 in |
|
GROSS HEIGHT |
17.32 in |
|
GROSS WIDTH |
49.09 in |
|
GROSS WEIGHT |
56 lbs |
Product Information and Guides:
Condenser
-
BROCHURE
- INSTALL MANUAL
- SPECS
- OWNERS MANUAL
- REMOTE MANUAL
- TECHNICAL MANUAL
- SERVICE MANUAL
- WARRANTY DOC
- AHRI CERTS
- ENERGY GUIDE CERTS
- MULTI-ZONE MATCHUP GUIDE
Wall Mounted Air Handlers
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