MRCOOL® DIY Mini Split 48,000 BTU 20.5 SEER 4 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump - 9K + 9K + 12K + 18K
The MRCOOL® DIY Mini Split 48,000 BTU 20.5 SEER 4 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump - 9K + 9K + 12K + 18K offers a complete solution to your home’s heating and cooling needs. This system can heat & cool two areas up to 450 square feet with the 9K air handlers, one area up to 600 square feet with the 12K air handler, and another area up to 900 square feet with the 18K air handler, all while capable of an Energy Star-certified, 20.5 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 Multi-Zone 5-Zone Condenser 230V - DIY-MULTI5-48HP230C

Introducing the latest in home comfort solutions with the new 4th Generation MRCOOL® DIY 48K BTU Ductless Heat Pump Condenser that can support up to 5 zones. When paired with select MrCool air handlers, it has the ability to achieve a SEER efficiency rating of up to 20.5. This condenser also has the capability to continue to deliver heating performance when temperatures reach 5°F. It has also been constructed to hold up against the weather and resist corrosion with its durable Gold Fin Condenser coating. MrCool also offers this condenser with a limited lifetime compressor warranty for additional peace of mind. Even with all of these features and performance, this Do-It-Yourself condenser still has the ability to be installed by a homeowner without needing a certified technician. It is designed to be installed using MrCool’s patented Pre-Charged Quick Connect Line Sets. These line sets come pre-charged with R-410A refrigerant and can be connected by using simple hand tools. So, no vacuuming of the system is required once installed. Let the MrCool 4th Generation DIY 48K BTU 5 Zone Ductless Heat Pump Condenser be the answer to your multi-zone heating and cooling home comfort.
Features:
- 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 Series OuttaSight™ 9k BTU Ceiling Cassette - DIYCASSETTE09HP-230C25

The MRCOOL® DIY® Series 9k BTU Ceiling Cassette is perfect for any space and provides discreet and out-of-sight heating and cooling. It is available in multi-zone options and is easy to install, fitting between 16” ceiling joists. The cassette is designed to work with both current and future joist standards and can be recessed between all types of joists on a 16-inch center, including pre-manufactured I-joists. Other ceiling cassettes have strict installation requirements in less ideal locations, but the MrCool® cassette doesn't require ductwork or wall space and is perfect for new constructions or retrofits. The cassette works with the MrCool® DIY Quick Connect line set which makes installation even easier since it is precharged with refrigerant, eliminating the need for vacuuming. The No-Vac® Coupler can be used to increase length. With advanced filtration, each cassette offers an Elevation function that lowers the filter panel for easy filter maintenance. Not only does this cassette feature quiet operation and multiple operating modes, but also provides a limited lifetime warranty in addition to a 7-year compressor warranty and 5-year parts warranty, so you can feel confident in your investment.
Features:
- Ideal for spaces up to 450 square feet
- Fits between 16" Ceiling Joists
- Featuring our easy access, elevating filter that can be lowered to a maximum of 4.9ft from the cassette.
- Designed to work with current and future joist standards, it can be recessed between all types of joists on 16-inch center - including pre-manufactured I-joists.
MRCOOL® DIY Series OuttaSight™ 12k BTU Ceiling Cassette - DIYCASSETTE12HP-230C25

With an easy, low profile installation, the MRCOOL® DIY® Series 12k BTU Ceiling Cassette provides efficient heating and cooling that is perfect for any space, making it one of the most versatile ceiling units ever. The cassette is offered in multi-zone options. Unlike other ceiling cassettes, the MrCool® DIY® Series 12k BTU Ceiling Cassette doesn’t have strict installation requirements in less than ideal locations and can be recessed between all types of joists on 16 inch center, including pre-manufactured I-joists. Since it doesn’t require ductwork or wall space, it is perfect for both new construction or retrofits. The cassette works with the MrCool® DIY® Quick Connect® line set which comes precharged with R-410A refrigerant. The No-Vac® Coupler can be used to increase the length of the line set if needed. In addition to the many operational modes and quiet operation, the cassette features swing technology and an Elevation function that lowers the filter panel for easy maintenance of the air filter. All of these features can be controlled with the included remote. For peace of mind, the cassette offers a limited lifetime warranty along with a 7-year compressor warranty and 5-year parts warranty.
Features:
- Ideal for spaces up to 600 square feet
- Fits between 16" Ceiling Joists
- Featuring our easy access, elevating filter that can be lowered to a maximum of 4.9ft from the cassette.
- Designed to work with current and future joist standards, it can be recessed between all types of joists on 16-inch center - including pre-manufactured I-joists.
MRCOOL® DIY Series OuttaSight™ 18k BTU Ceiling Cassette - DIYCASSETTE18HP-230C25

The MRCOOL® DIY® Series 18k BTU Ceiling Cassette provides efficient heating and cooling while remaining out of sight and discreet, making it a perfect fit for any space. This easy to install and easy to maintain unit is offered in both single-zone and multi-zone options and can provide coverage for large and small spaces. The cassette features an easy, low profile installation and can be recessed between all types of joists on 16 inch center including pre-manufactured I-joists. This makes it a perfect option for both new construction or retrofits. It doesn’t have strict installation requirements like other ceiling cassettes, so you’re able to install it in the location that suits you best, without using ductwork or wall space. The cassette works with the MrCool® DIY® Quick Connect® line set and the No-Vac® Coupler to increase the length of the line set. Not only does the unit offer quiet operation and multiple operating modes, but it also features the Elevation function that lowers the filter panel for easy air filter maintenance. Purchases of the MrCool® DIY® Series 18k BTU Ceiling Cassette are protected by a limited lifetime warranty in addition to a 7-year compressor warranty and 5-year parts warranty.
Features:
- Ideal for spaces up to 900 square feet
- Fits between 16" Ceiling Joists
- Featuring our easy access, elevating filter that can be lowered to a maximum of 4.9ft from the cassette.
- Designed to work with current and future joist standards, it can be recessed between all types of joists on 16-inch center - including pre-manufactured I-joists.
This bundle includes:
- 1x MRCOOL® DIY 4th Gen Multi-Zone 5-Zone Condenser 230V - DIY-MULTI5-48HP230C
- 2x MRCOOL® DIY Series OuttaSight™ 9k BTU Ceiling Cassette - DIYCASSETTE09HP-230C25
- 1x MRCOOL® DIY Series OuttaSight™ 12k BTU Ceiling Cassette - DIYCASSETTE12HP-230C25
- 1x MRCOOL® DIY Series OuttaSight™ 18k BTU Ceiling Cassette - DIYCASSETTE18HP-230C25
- All accessories needed for a full installation
Condenser Specifications
MODEL |
DIY-MULTI5-48HP230C |
SEER |
20.5 |
EER |
11 |
HSPF |
hspf4/hspf5 : 11/8.5
|
CFM |
4500 |
COOLING CAPACITY
|
48000 BTU
|
HEATING CAPACITY
|
48000 BTU
|
VOLTAGE
|
208-230 V
|
PHASE |
1 |
CYCLE |
60 Hz
|
MAX FUSE BREAKER
|
60A |
MIN CIRCUIT AMPACITY
|
40 A
|
COLOR |
White |
COLOR FAMILY
|
White |
ZONE CAPACITY
|
Up to 5
|
REFRIGERANT TYPE
|
R-410A
|
REFRIGERANT VOLUME
|
162 oz
|
DECIBEL RATING
|
61.5 dBA
|
INVERTER |
Yes |
MIN AMBIENT COOL
|
5F ~ 122F
|
MIN AMBIENT HEAT
|
5F ~ 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
|
900/850/800/750
|
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
|
16.34 in
|
NET HEIGHT
|
52.48 in
|
NET WIDTH
|
37.48 in
|
NET WEIGHT
|
222.89 lbs
|
GROSS DEPTH
|
19.49 in
|
GROSS HEIGHT
|
54.33 in
|
GROSS WIDTH
|
43.11 in
|
GROSS WEIGHT
|
254.41 lbs |
9K Air Handler Specifications
MODEL |
DIYCASSETTE09HP-230C25 |
SEER |
Up to 20.75
|
EER |
Up to 12.5
|
HSPF |
hsph4/hspf5: 11/8.6
|
COOLING CAPACITY
|
9000 |
HEATING CAPACITY
|
9000 |
VOLTAGE
|
208/230
|
PHASE |
1 |
CYCLE |
60 Hz
|
MAX FUSE BREAKER
|
15 A
|
MIN CIRCUIT AMPACITY
|
3 A
|
RATED LOAD
|
1.5 A
|
DECIBEL RATING
|
40/35.5
|
DECIBEL RATING LOW
|
24.5 dBA
|
DECIBEL RATING HIGH
|
42 dBA
|
BLOWER MOTOR HP
|
570/537/488/350
|
BLOWER MOTOR SPEEDS
|
4 |
BLOWER MOTOR RPM
|
1024/944/864
|
FILTER TYPE
|
Reusable |
FAN ONLY OPTION
|
Yes |
QUIET MODE
|
Yes |
SLEEP MODE
|
Yes |
AUTO COOL
|
Yes |
WIFI COMPATIBILITY
|
Yes |
APP COMPATIBILITY
|
Yes |
WORKS WITH IOS
|
Yes |
WORKS WITH ANDROID
|
Yes |
REMOTE CONTROL INCLUDED
|
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
|
13.19 in
|
NET HEIGHT
|
8.98 in
|
NET WIDTH
|
50.31 in
|
NET WEIGHT
|
44.31 lbs
|
GROSS DEPTH
|
22.48 in
|
GROSS HEIGHT
|
22.64 in
|
GROSS WIDTH
|
57.60 in
|
GROSS WEIGHT
|
87.96 lbs |
12K Air Handler Specifications
MODEL |
DIYCASSETTE12HP-230C25 |
SEER |
Up to 20.75
|
EER |
Up to 12.5
|
HSPF |
hsph4/hspf5: 11/8.6
|
COOLING CAPACITY
|
12000 |
HEATING CAPACITY
|
12000 |
VOLTAGE
|
208/230
|
PHASE |
1 |
CYCLE |
60 Hz
|
MAX FUSE BREAKER
|
15 A
|
MIN CIRCUIT AMPACITY
|
3 A
|
RATED LOAD
|
1.5 A
|
DECIBEL RATING
|
41/35
|
DECIBEL RATING LOW
|
26 dBA
|
DECIBEL RATING HIGH
|
43 dBA
|
BLOWER MOTOR HP
|
620/560/450/350
|
BLOWER MOTOR SPEEDS
|
4 |
BLOWER MOTOR RPM
|
1064/974/884
|
FILTER TYPE
|
Reusable |
FAN ONLY OPTION
|
Yes |
QUIET MODE
|
Yes |
SLEEP MODE
|
Yes |
AUTO COOL
|
Yes |
WIFI COMPATIBILITY
|
Yes |
APP COMPATIBILITY
|
Yes |
WORKS WITH IOS
|
Yes |
WORKS WITH ANDROID
|
Yes |
REMOTE CONTROL INCLUDED
|
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
|
13.19 in
|
NET HEIGHT
|
8.98 in
|
NET WIDTH
|
50.31 in
|
NET WEIGHT
|
45.42 lbs
|
GROSS DEPTH
|
22.48 in
|
GROSS HEIGHT
|
22.64 in
|
GROSS WIDTH
|
57.60 in
|
GROSS WEIGHT
|
88.85 lbs |
18K Air Handler Specifications
MODEL |
DIYCASSETTE18HP-230C25 |
SEER |
Up to 21.8
|
EER |
Up to 12.5
|
HSPF |
hsph4/hspf5: 11.6/9.7
|
COOLING CAPACITY
|
17000 |
HEATING CAPACITY
|
19000 |
VOLTAGE
|
208/230
|
PHASE |
1 |
CYCLE |
60 Hz
|
MAX FUSE BREAKER
|
15 A
|
MIN CIRCUIT AMPACITY
|
3 A
|
RATED LOAD
|
1.5 A
|
DECIBEL RATING
|
40/28
|
DECIBEL RATING LOW
|
21 dBA
|
DECIBEL RATING HIGH
|
44 dBA
|
MIN AMBIENT COOL
|
60F ~ 90F
|
MIN AMBIENT HEAT
|
32F ~ 86F
|
LIQUID LINE SIZE
|
1/4in
|
SUCTION LINE SIZE
|
1/2in
|
BLOWER MOTOR HP
|
598/510/352
|
BLOWER MOTOR SPEEDS
|
4 |
BLOWER MOTOR RPM
|
1344/1184/1024
|
FILTER TYPE
|
Reusable |
FAN ONLY OPTION
|
Yes |
QUIET MODE
|
Yes |
SLEEP MODE
|
Yes |
AUTO COOL
|
Yes |
WIFI COMPATIBILITY
|
Yes |
APP COMPATIBILITY
|
Yes |
WORKS WITH IOS
|
Yes |
WORKS WITH ANDROID
|
Yes |
REMOTE CONTROL INCLUDED
|
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
|
13.19 in
|
NET HEIGHT
|
8.98 in
|
NET WIDTH
|
50.31 in
|
NET WEIGHT
|
44.97 lbs
|
GROSS DEPTH
|
22.48 in
|
GROSS HEIGHT
|
22.64 in
|
GROSS WIDTH
|
57.60 in
|
GROSS WEIGHT
|
88.85 lbs |
Product Information & Guides:
Condenser
Cassette Air Handlers