MRCOOL DIY® 5th Gen 18,000 BTU 3-Zone Multi-Zone Mini Split Condenser 230V (DIY-MULTI3-18HP230D-O)
Enjoy year-round comfort with the new 5th Generation MRCOOL® DIY® 18k BTU Multi-Zone Mini Split Condenser. Designed for easy installation without the need for HVAC professionals, this unit delivers efficient heating and cooling for up to three zones or rooms, covering a combined area of up to 750 sq. ft.
With a SEER2 rating of 23.9 and an HSPF2-4 rating of 10, you’ll save money on energy bills while reducing your environmental impact. Thanks to the DIY® Quick Connect® pre-charged line sets (sold separately) and R-454B refrigerant, installation is quick, safe, and eco-friendly.
The MRCOOL® Smart HVAC App offers total control and voice compatibility with Amazon Alexa and Google Assistant, while advanced features like Follow Me®, DIYPro® cable, and Gold Fin® corrosion resistance make this system a true standout for home comfort.
FEATURES:
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Supports up to 3 zones (air handlers sold separately), ideal for small homes, apartments, or multi-room setups.
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True DIY installation – No vacuum or special tools required thanks to pre-charged Quick Connect® line sets (sold separately).
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Eco-friendly R-454B refrigerant – Low Global Warming Potential (GWP) and high efficiency.
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High efficiency ratings – 23.9 SEER2 and 10 HSPF2-4 help reduce long-term energy costs.
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DIYPro® cable included – No need for electrical conduit, providing added safety and durability.
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Gold Fin® condenser coating – Protects against corrosion, especially in coastal environments.
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Smart HVAC app integration – Control via smartphone, with full support for Google Assistant and Amazon Alexa.
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Follow Me® function – Remote sensor ensures the temperature around you stays just right.
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Industry-leading warranty:
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Certified quality – Intertek listed (5031495) for performance and safety assurance.
SPECIFICATIONS:
| Dimensions |
13.46" D x 26.5" H x 35.04" W |
|
SEER2
|
23.9
|
|
EER2
|
13
|
|
HSPF2-4
|
10
|
|
HSPF2-5
|
7.8
|
|
Tonnage
|
1.5
|
|
Cooling Capacity (BTU)
|
18000
|
|
Heating Capacity (BTU)
|
18000
|
|
Voltage (V)
|
208/230
|
|
Phase
|
1
|
|
Cycle
|
60
|
|
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
|
|
Max Lineset Length (FT)
|
172.2
|
|
Liquid LIne Size
|
1/4
|
|
Suctio Line Size
|
3/8
|
|
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
|
|
Base Compressor Warranty
|
7
|
|
Has Batteries
|
Yes
|
|
Contains Electronics
|
Yes
|
|
Contans Chemicals
|
Yes
|
|
Contains Aerosol
|
Yes
|
|
Contains Compressed Gas
|
Yes
|
|
Proposition 65 Warning
|
Yes
|
GUIDE:
