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Best Mrcool Comfort MADE Simple Mini Splits: 15 Models Compared

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This guide covers the best Mrcool Comfort MADE Simple mini splits for your home. We compared 15 models ranked by their published specifications. The list includes single-zone wall units, multi-zone systems, ducted handlers, and cassette air handlers in various capacities. The MrCool DIY Select 12K BTU 115V Mini Split takes the top spot because it fits single rooms under 550 sq ft with practical 115V operation. Every pick reflects the data listed on the product pages, focusing on size, voltage, and mounting type to help you choose the right system.

Quick picks

#ProductBest forPrice
1 MrCool DIY Select 12K BTU 115V Mini Split Best overall single rooms under 550 sq ft Check price of MrCool DIY Select 12K BTU 115V Mini Split on Amazon
2 MrCool DIY Select 12K BTU Best budget Single rooms up to 1,200 square feet Check price of MrCool DIY Select 12K BTU on Amazon
3 Mrcool Comfort 9K BTU 5th Gen Mini Split Also great small rooms up to 400 square feet Check price of Mrcool Comfort 9K BTU 5th Gen Mini Split on Amazon
4 MrCool 12K BTU 115V 5th Gen Also great small rooms with standard 115V outlets Check price of MrCool 12K BTU 115V 5th Gen on Amazon
5 MrCool 18K BTU 230V Mini Split Also great Medium rooms needing 18K BTU and voice control Check price of MrCool 18K BTU 230V Mini Split on Amazon
6 MrCool 5 Ton Ducted Mini Split Best premium medium spaces with existing ductwork Check price of MrCool 5 Ton Ducted Mini Split on Amazon
7 MrCool DIY 12K BTU 4th Gen Best wi-fi Smart control and low-ambient cooling Check price of MrCool DIY 12K BTU 4th Gen on Amazon
8 MrCool DIY 18k Multi-Zone Mini Split Also great medium homes needing multi-zone control Check price of MrCool DIY 18k Multi-Zone Mini Split on Amazon
9 MrCool DIY 18K BTU Multi-Zone Mini Split Also great Multi-room DIY installations with high efficiency Check price of MrCool DIY 18K BTU Multi-Zone Mini Split on Amazon
10 MrCool 24K BTU 230V Advantage Also great large rooms up to 1,000 sq. ft. Check price of MrCool 24K BTU 230V Advantage on Amazon
11 MrCool 9K 115V Mini Split Also great small rooms needing 9,000 BTU Check price of MrCool 9K 115V Mini Split on Amazon
12 Mrcool Comfort MADE Simple 5th Gen Air Handler Also great Ducted expansion of existing systems Check price of Mrcool Comfort MADE Simple 5th Gen Air Handler on Amazon
13 MrCool 36k BTU 230V Wall Mount Also great Large rooms needing 36,000 BTU capacity Check price of MrCool 36k BTU 230V Wall Mount on Amazon
14 Mrcool 9K BTU 0.75-Ton Cassette Also great small spaces needing ceiling mounting Check price of Mrcool 9K BTU 0.75-Ton Cassette on Amazon
15 MrCool 48,000 BTU Multi-Zone Condenser Also great Large multi-zone cooling systems Check price of MrCool 48,000 BTU Multi-Zone Condenser on Amazon

Our 15 picks

Best overall

MrCool DIY Select 12K BTU 115V Mini Split

Best for: single rooms under 550 sq ft

Cooling Capacity
12,000 BTU
Efficiency Rating
Up to 17.5 SEER2
Voltage
115V
Coverage Area
Up to 550 square feet
Number of Zones
Single Zone
Heat Pump
Heat Pump

View on Amazon: MrCool DIY Select 12K BTU 115V Mini Split

This MrCool DIY Select unit delivers 12,000 BTU of cooling and heating for spaces up to 550 square feet. It runs on standard 115V power, making it suitable for smaller rooms like bedrooms or offices. The system offers 17.5 SEER2 efficiency and operates as quietly as 17.5 dB(A) in silent mode. You can control it via the MRCOOL Comfort App or voice assistants, and it uses R-454B refrigerant for reliable performance.

Pros

  • 12,000 BTU capacity for rooms up to 550 sq ft
  • Runs on standard 115V power for easy electrical connection
  • High efficiency with 17.5 SEER2 cooling rating
  • Ultra-quiet operation down to 17.5 dB(A) in silent mode
  • Smart control via MRCOOL Comfort App and voice assistants

Cons

  • Single-zone configuration limits use to one room
  • 11.5 ft line set may not reach all wall locations
  • 115V voltage restricts power to smaller circuits

Good fit if

  • You need cooling for a single room under 550 sq ft
  • You want to use a standard 115V outlet for installation
  • You prefer quiet operation for bedrooms or offices

Skip if

  • You require heating and cooling for multiple rooms
  • Your space exceeds 550 square feet
  • You need a higher voltage circuit for power

Verdict: MrCool DIY Select 12K BTU 115V Mini Split is a practical choice for single-room cooling and heating where standard electrical outlets are available. It fits users who value quiet operation and smart app control in smaller spaces.

Best budget

MrCool DIY Select 12K BTU

Best for: Single rooms up to 1,200 square feet

Cooling Capacity
12K BTU
Efficiency Rating
17.5 -16.5 SEER2
Coverage Area
500 to 1,200 square feet
Number of Zones
Single Zone
Smart Connectivity
WiFi Capable, MrCool Comfort App
Dimensions
10.6 × 28.4 × 19.5 inches

View on Amazon: MrCool DIY Select 12K BTU

The MrCool DIY Select 12K is a single-zone mini split designed for spaces between 500 and 1,200 square feet. It features a 12,000 BTU cooling capacity and reaches 17.5 SEER2 for efficient cooling. The system includes a pre-charged 11.5-foot line set for straightforward installation. You can control it via the MrCool Comfort App or the included remote. It uses inverter technology to maintain steady temperatures while reducing energy use.

Pros

  • High 17.5 SEER2 cooling efficiency rating
  • Pre-charged 11.5-foot quick-connect line set included
  • WiFi connectivity with the MrCool Comfort App
  • Inverter compressor for consistent temperature control

Cons

  • Limited to single-zone coverage only
  • Heating HSPF2 rating is lower than cooling SEER2
  • No multi-zone expansion capability listed

Good fit if

  • You need to cool or heat a single room up to 1,200 square feet
  • You prefer a DIY installation with a pre-charged line set
  • You want remote control via a smartphone app

Skip if

  • You require heating multiple separate zones from one outdoor unit
  • You need a unit larger than 12,000 BTU for your space
  • You want a central ducted system instead of a ductless split

Verdict: MrCool DIY Select 12K SEER2 offers strong efficiency and easy DIY setup for single rooms. It fits homeowners who want smart control and high SEER2 performance without complex installation.

Also great

Mrcool Comfort 9K BTU 5th Gen Mini Split

Best for: small rooms up to 400 square feet

Cooling Capacity
9,000 BTU
Voltage
115V
Coverage Area
400 sq ft
Heat Pump
Heat Pump
Smart Connectivity
Alexa, Google Assistant
Dimensions
10.6 × 32.9 × 21.3 inches

View on Amazon: Mrcool Comfort 9K BTU 5th Gen Mini Split

The Mrcool Comfort 9,000 BTU 5th Generation unit provides heating and cooling for spaces up to 400 square feet. It operates on 115V power and features a white finish. The indoor unit measures 32.9 inches wide, 21.3 inches high, and 10.6 inches deep. This model suits small rooms or offices where lower capacity is sufficient. It offers basic inverter technology for efficient temperature control.

Pros

  • 9,000 BTU cooling and heating capacity
  • Covers areas up to 400 sq. ft.
  • 115V electrical connection
  • 5th Generation inverter technology

Cons

  • Lower 9,000 BTU capacity limits use to small spaces
  • Standard 115V power may not suit all electrical setups
  • No smart home integration mentioned in specifications

Good fit if

  • You need to cool or heat a room under 400 square feet
  • You prefer a standard 115V electrical connection
  • You want a simple white indoor unit

Skip if

  • You need to cool a large room over 400 square feet
  • You require a 230V high-capacity system
  • You need WiFi or app control features

Verdict: Mrcool Comfort 9K BTU 5th Gen Mini Split is a compact solution for small rooms up to 400 square feet. It fits buyers who need basic heating and cooling on a standard 115V circuit without smart features.

Also great

MrCool 12K BTU 115V 5th Gen

Best for: small rooms with standard 115V outlets

Cooling Capacity
12,000 BTU
Voltage
115V
Coverage Area
up to 550 square feet
Heat Pump
Heat Pump
Smart Connectivity
Google Assistant, Amazon Alexa
Mounting Type
Wall Mount

View on Amazon: MrCool 12K BTU 115V 5th Gen

This 5th Generation MrCool unit delivers 12,000 BTU of cooling and heating for spaces up to 550 square feet. It runs on standard 115V power, making it suitable for typical residential circuits. The system includes pre-charged 25-foot line sets for DIY installation. You can control the climate using the included smart module, which works with Google Assistant and Amazon Alexa.

Pros

  • 12,000 BTU cooling and heating capacity
  • Standard 115V electrical connection
  • Smart module compatible with Google Assistant and Amazon Alexa
  • Pre-charged 25-foot line sets for easy DIY setup

Cons

  • 115V voltage limits use to standard household circuits
  • 12,000 BTU capacity covers only up to 550 square feet
  • Indoor unit width is 40 inches

Good fit if

  • You need a 12,000 BTU unit for a small room up to 550 square feet
  • You want to use a standard 115V outlet without upgrading your electrical panel
  • You prefer DIY installation with pre-charged line sets

Skip if

  • You require heating or cooling for a space larger than 550 square feet
  • Your home only has 230V circuits available
  • You need a multi-zone system for multiple rooms

Verdict: MrCool 12K BTU 115V 5th Gen is a practical option for cooling small rooms up to 550 square feet using standard 115V power. It suits homeowners who want to install a ductless system themselves without specialized tools or electrical upgrades.

Also great

MrCool 18K BTU 230V Mini Split

Best for: Medium rooms needing 18K BTU and voice control

Cooling Capacity
18,000 BTU
Voltage
230V
Coverage Area
up to 750 sq. ft.
Heat Pump
Heat Pump
Smart Connectivity
Google Assistant, Amazon Alexa
Mounting Type
Wall Mount

View on Amazon: MrCool 18K BTU 230V Mini Split

This MrCool Comfort MADE Simple unit delivers 18,000 BTU of cooling and heating for spaces up to 750 square feet. It runs on a 230V circuit, which is standard for higher-capacity systems. The indoor unit supports voice control via Google Assistant and Amazon Alexa. It is a heat pump designed for efficient temperature management in medium-sized rooms or open areas.

Pros

  • 18,000 BTU cooling and heating capacity
  • Covers areas up to 750 square feet
  • Compatible with Google Assistant and Amazon Alexa
  • 230V power requirement for stable operation

Cons

  • Requires 230V electrical connection, not 115V
  • No built-in Wi-Fi or app control listed
  • Limited to single-zone coverage

Good fit if

  • You need 18,000 BTU for a 750 sq. ft. space
  • You have a 230V outlet available
  • You prefer voice control over smartphone apps

Skip if

  • You only have 115V outlets
  • You need to control the unit via a dedicated mobile app
  • You require multi-zone capability for multiple rooms

Verdict: MrCool 18K BTU 230V Mini Split is a solid option for medium spaces where voice control is preferred over app management. It fits users with 230V wiring who need strong heating and cooling output.

Best premium

MrCool 5 Ton Ducted Mini Split

Best for: medium spaces with existing ductwork

Cooling Capacity
5 Ton
Efficiency Rating
15.2 SEER2
Heat Pump
Heat Pump
Smart Connectivity
Smart thermostat compatible
Mounting Type
Ducted
Dimensions
17.5 × 21 × 45 inches

View on Amazon: MrCool 5 Ton Ducted Mini Split

This MrCool Comfort MADE Simple unit is a 5-ton central ducted split system designed for medium-sized spaces. It features a 15.2 SEER2 rating and DC inverter technology for efficient temperature control. The system uses R454B refrigerant and includes smart thermostat compatibility with self-diagnostic capabilities. Its white cabinet measures 21 by 45 by 17.5 inches and weighs 133 pounds. It suits buyers seeking a premium, energy-efficient central cooling solution.

Pros

  • 5-ton cooling capacity for medium spaces
  • 15.2 SEER2 efficiency rating with DC inverter
  • R454B refrigerant with lower environmental impact
  • Smart thermostat compatibility and self-diagnosis

Cons

  • Requires existing ductwork for installation
  • Larger physical footprint than wall-mounted units
  • Higher weight requires sturdy mounting support

Good fit if

  • You have existing central ductwork
  • You need high-capacity cooling for a medium space
  • You want smart monitoring features

Skip if

  • You need a ductless wall-mounted unit
  • You have limited space for a large indoor unit
  • You prefer a lighter, portable system

Verdict: MrCool 5 Ton Ducted Central System fits homeowners with existing ducts who need powerful, efficient cooling. It delivers strong capacity and smart monitoring for medium-sized homes.

Best wi-fi

MrCool DIY 12K BTU 4th Gen

Best for: Smart control and low-ambient cooling

Cooling Capacity
12,000 BTU
Heat Pump
Heat pump
Smart Connectivity
WiFi
Smart Control
Wi-Fi
Dimensions
16 × 26 × 36 inches
Weight
100 pounds

View on Amazon: MrCool DIY 12K BTU 4th Gen

This 12,000 BTU mini split heat pump from MrCool Comfort MADE Simple includes built-in Wi-Fi for smart control. It operates in cooling mode down to 5°F, making it suitable for server rooms or greenhouses. The 4th generation unit features low refrigerant alarms and auto-restart capabilities. You get a complete package with the outdoor condenser, indoor air handler, and a smart HVAC controller module for remote management.

Pros

  • Built-in Wi-Fi connectivity for smart control
  • Cooling operation down to 5°F ambient temperature
  • Auto-restart feature after power outages
  • Low refrigerant alarm to prevent damage
  • Includes smart HVAC controller module

Cons

  • 12,000 BTU capacity is lower than 18K and 24K options on this list
  • Outdoor unit weighs 100 pounds
  • No mention of heating capacity in BTU

Good fit if

  • You need Wi-Fi smart control for remote monitoring
  • You require cooling in low ambient environments like server rooms
  • You want auto-restart functionality after power interruptions

Skip if

  • You need heating capacity specifications
  • You prefer a higher 18,000 or 24,000 BTU capacity
  • You want a lighter outdoor unit than 100 pounds

Verdict: MrCool DIY 12K BTU 4th Gen fits users who need smart Wi-Fi control and reliable low-temperature cooling for specialized spaces like server rooms or greenhouses. It is a solid choice for those prioritizing connectivity and auto-restart features over higher cooling capacity.

Also great

MrCool DIY 18k Multi-Zone Mini Split

Best for: medium homes needing multi-zone control

Cooling Capacity
18k BTU
Efficiency Rating
23.9 SEER2
Coverage Area
750-900 sq ft
Number of Zones
3 Zone
Smart Connectivity
WiFi, Alexa, Google Assistant, App
Dimensions
13.5 × 35 × 26.5 inches

View on Amazon: MrCool DIY 18k Multi-Zone Mini Split

This MrCool DIY 18k BTU unit covers 750 to 900 square feet across three zones. It features a 23.9 SEER2 rating and 10 HSPF2 heating efficiency. The system uses Quick Connect technology for installation without special tools. You can control it via WiFi, Alexa, or Google Assistant. The white indoor unit measures 35 by 26.5 inches. This setup suits homes needing flexible zoning.

Pros

  • 18,000 BTU cooling capacity for 750-900 sq ft
  • 23.9 SEER2 and 10 HSPF2 efficiency ratings
  • Three-zone capability with Quick Connect technology
  • WiFi connectivity with Alexa and Google Assistant support

Cons

  • Heavier build at 175 pounds
  • Larger indoor unit dimensions at 35 by 26.5 inches
  • Limited to three zones maximum

Good fit if

  • You need to heat and cool 750 to 900 square feet
  • You want to manage multiple zones independently
  • You prefer voice control via smart assistants

Skip if

  • You require more than three zones
  • You need a unit for spaces larger than 900 square feet
  • You prefer a compact indoor unit under 30 inches wide

Verdict: MrCool DIY 18k Multi-Zone Mini Split delivers strong efficiency for medium-sized homes with zoning needs. It fits buyers who want smart control and easy installation for up to three rooms.

Also great

MrCool DIY 18K BTU Multi-Zone Mini Split

Best for: Multi-room DIY installations with high efficiency

Cooling Capacity
18,000 BTU
Efficiency Rating
Up to 24 SEER2
Coverage Area
Up to about 350 sq ft each
Number of Zones
Two-Zone
Heat Pump
Heat Pump
Smart Connectivity
MRCOOL app, Alexa, Google Assistant

View on Amazon: MrCool DIY 18K BTU Multi-Zone Mini Split

This MrCool Comfort MADE Simple unit offers 18,000 BTU of cooling and heating for rooms up to 350 square feet. It features a high 24 SEER2 efficiency rating and includes two 25-foot pre-charged line sets for DIY multi-zone installation. You can control each zone via the SmartHVAC app, remote, or voice assistants like Alexa and Google Assistant.

Pros

  • 18,000 BTU cooling capacity for approx. 350 sq ft rooms
  • Up to 24 SEER2 energy efficiency rating
  • Includes (2) 25-foot pre-charged Qfick Connect line sets
  • Multi-zone capability with SmartHVAC app and voice control

Cons

  • Requires multiple indoor units for true multi-zone coverage
  • No 230V option listed, limiting voltage flexibility
  • Higher BTU count may be excessive for small single rooms

Good fit if

  • You need to cool or heat multiple separate rooms
  • You want high efficiency with a 24 SEER2 rating
  • You prefer DIY installation with included pre-charged lines

Skip if

  • You only need to condition a single small room
  • You require a 230V power connection
  • You want a single indoor unit for your space

Verdict: MrCool DIY 18K BTU Multi-Zone Mini Split is a high-efficiency solution for multi-room setups. It fits buyers who need flexible zoning and smart control without professional installation.

Also great

MrCool 24K BTU 230V Advantage

Best for: large rooms up to 1,000 sq. ft.

Cooling Capacity
24,000 BTU
Voltage
230V
Coverage Area
up to 1,000 sq. ft.
Heat Pump
Heat Pump
Mounting Type
Wall Mount
Target Space
Office

View on Amazon: MrCool 24K BTU 230V Advantage

This MrCool Advantage unit delivers 24,000 BTU of cooling and heating for spaces up to 1,000 sq. ft. It requires professional installation and runs on 230V power. The wall-mounted design suits offices and larger rooms. You get reliable all-season performance with a sleek white finish. It is a robust option for bigger areas needing dedicated HVAC support.

Pros

  • 24,000 BTU cooling and heating capacity
  • Covers areas up to 1,000 sq. ft.
  • 230V electrical requirement for stable power
  • Wall mount design saves floor space
  • Heat pump functionality for year-round use

Cons

  • Requires professional HVAC installation
  • No WiFi or smart controls listed
  • Higher voltage needs specific wiring

Good fit if

  • You need to cool or heat a large room up to 1,000 sq. ft.
  • You already have 230V electrical outlets available
  • You prefer a permanent professional installation over DIY

Skip if

  • You want a DIY installation without an electrician
  • Your space is smaller than 500 sq. ft.
  • You only have standard 115V outlets

Verdict: MrCool 24K BTU 230V Advantage is a high-capacity wall unit for large rooms or offices. It fits buyers who need serious cooling power and have the necessary 230V wiring installed.

Also great

MrCool 9K 115V Mini Split

Best for: small rooms needing 9,000 BTU

Cooling Capacity
9,000 BTU
Efficiency Rating
18-21.5 SEER2
Voltage
115V
Coverage Area
500 to 1500 sq ft
Heat Pump
Heat Pump
Dimensions
17.5 × 21 × 45 inches

View on Amazon: MrCool 9K 115V Mini Split

This MrCool unit delivers 9,000 BTU of cooling and heating for spaces between 500 and 1,500 square feet. It operates on standard 115V power and achieves an SEER2 rating of 18 to 21.5. You must hire a certified HVAC technician for installation, as this is not a DIY system. The outdoor condenser weighs 133 pounds and measures 45 inches tall. This model suits homeowners who need professional setup for efficient climate control.

Pros

  • 9,000 BTU cooling and heating capacity
  • 18-21.5 SEER2 efficiency rating
  • Works on standard 115V or 230V power
  • Covers areas from 500 to 1,500 sq ft

Cons

  • Requires professional HVAC installation
  • Lower capacity than 12K or 24K models
  • Heavier 133-pound outdoor unit

Good fit if

  • You need a 9,000 BTU system for a small room
  • You prefer standard 115V electrical connections
  • You want a certified technician to handle the setup

Skip if

  • You want to install the unit yourself
  • You need to cool a large open area
  • You require a higher BTU capacity

Verdict: MrCool 9K 115V Mini Split provides reliable efficiency for small spaces but demands professional installation. It fits you best if you need a modest 9,000 BTU unit and want a certified expert to handle the wiring and setup.

Also great

Mrcool Comfort MADE Simple 5th Gen Air Handler

Best for: Ducted expansion of existing systems

Smart Connectivity
SmartHVAC App

View on Amazon: Mrcool Comfort MADE Simple 5th Gen Air Handler

This Mrcool Comfort MADE Simple unit is a 5th Gen air handler designed for ducted systems. It features a wireless remote for traditional control and SmartHVAC app support for mobile operation. The outdoor condenser includes gold fin coating for corrosion protection. You get a 7-year compressor warranty and 5-year parts coverage. It suits users who want smart connectivity alongside standard remote operation for their ducted mini split setup.

Pros

  • SmartHVAC app connectivity for iOS and Android
  • Wireless remote for traditional control
  • Gold fin condenser coating for corrosion protection
  • 7-year compressor warranty

Cons

  • Limited to ducted air handler configuration
  • No inverter technology mentioned for this specific unit
  • Requires separate condenser purchase

Good fit if

  • You need a ducted air handler for a multi-zone system
  • You prefer using a smartphone app for control
  • You want corrosion-resistant condenser coils

Skip if

  • You need a complete ductless indoor unit
  • You require a self-contained heat pump
  • You want a single package with condenser included

Verdict: Mrcool Comfort MADE Simple 5th Gen Air Handler is a solid choice for expanding a ducted mini split system. It fits users who value app control and corrosion protection in their indoor air handling component.

Also great

MrCool 36k BTU 230V Wall Mount

Best for: Large rooms needing 36,000 BTU capacity

Cooling Capacity
36,000 BTU
Voltage
230V
Coverage Area
up to 1,800 sq. ft.
Heat Pump
Heat Pump
Mounting Type
Wall Mount
Target Space
Office

View on Amazon: MrCool 36k BTU 230V Wall Mount

This MrCool Advantage unit delivers 36,000 BTU of cooling and heating for spaces up to 1,800 square feet. It operates on a 230V circuit and mounts to the wall. The system uses inverter technology for efficient temperature control in offices or large rooms. Professional installation is required for this high-capacity model.

Pros

  • 36,000 BTU capacity for large areas
  • Covers up to 1,800 sq. ft.
  • 230V electrical connection
  • Wall mount design
  • Inverter heat pump technology

Cons

  • Requires professional HVAC installation
  • No smart features listed
  • No remote control mentioned

Good fit if

  • You need to cool or heat a large room
  • You have a 230V electrical circuit available
  • You prefer a wall-mounted unit

Skip if

  • You want a DIY installation
  • You need a smaller 9k or 12k BTU unit
  • You require smart home integration

Verdict: MrCool 36k BTU 230V Wall Mount handles large spaces with high capacity. It fits commercial areas or big rooms where a 230V line is already present.

Also great

Mrcool 9K BTU 0.75-Ton Cassette

Best for: small spaces needing ceiling mounting

Cooling Capacity
9K BTU .75-Ton
Voltage
230V
Weight
45 pounds

View on Amazon: Mrcool 9K BTU 0.75-Ton Cassette

This is a 9,000 BTU ceiling cassette air handler designed for commercial or high-ceiling spaces. It operates on 230V power and weighs 45 pounds. The unit is white and includes a 25-foot pro cable and remote. It suits you if you need a discreet, ceiling-mounted solution for smaller zones where standard wall units do not fit.

Pros

  • 9,000 BTU (0.75-ton) cooling capacity
  • 230V voltage for dedicated circuits
  • Ceiling cassette form factor for discreet installation
  • Includes 25-foot pro cable and remote

Cons

  • Lower 0.75-ton capacity limits use to small spaces
  • Requires 230V power, not standard 115V outlets
  • Heavier 45-pound build requires sturdy ceiling mounting

Good fit if

  • You need a ceiling-mounted unit for a small room
  • You have a 230V circuit available
  • You want a discreet white finish

Skip if

  • You need a standard wall-mounted unit
  • You only have 115V outlets
  • You require a higher cooling capacity for large rooms

Verdict: Mrcool 9K BTU 0.75-Ton Cassette is a specialized ceiling unit for small spaces with 230V power. It fits you if you need a discreet, low-capacity solution for commercial or high-ceiling areas.

Also great

MrCool 48,000 BTU Multi-Zone Condenser

Best for: Large multi-zone cooling systems

Cooling Capacity
48,000 BTU
Voltage
230V
Number of Zones
Multi-Zone

View on Amazon: MrCool 48,000 BTU Multi-Zone Condenser

This MRCOOL 5th Gen condenser delivers 48,000 BTU of cooling across multiple zones. It runs on 230V power and uses pre-charged R-454B refrigerant for vacuum-free installation. The unit features a corrosion-resistant gold fin condenser and durable DIYPRO cabling. It is built for large homes needing significant cooling capacity. You get a lifetime warranty on the unit and seven years on the compressor. This model suits those who need high-output multi-zone cooling.

Pros

  • 48,000 BTU cooling capacity for large spaces
  • 230V electrical requirement for efficient operation
  • Pre-charged R-454B refrigerant for easy DIY setup
  • Gold fin condenser resists coastal corrosion
  • Limited lifetime warranty on the condenser unit

Cons

  • Requires 230V electrical connection, not standard 115V
  • Condenser only; requires separate indoor air handlers
  • High 48,000 BTU output is excessive for small rooms

Good fit if

  • You need to power multiple indoor zones simultaneously
  • You have a 230V electrical circuit available
  • You live in a coastal area with salt air

Skip if

  • You only have standard 115V household outlets
  • You are cooling a single small room
  • You want a complete kit with indoor units included

Verdict: MRCOOL 5th Gen 48k BTU 230V Multi-Zone is a high-capacity condenser for large multi-zone systems. It fits homeowners with 230V power who need to connect several indoor units to one outdoor unit.

Specifications side by side

Spec MrCool DIY Select 12K BTU 115V Mini Split MrCool DIY Select 12K BTU Mrcool Comfort 9K BTU 5th Gen Mini Split MrCool 12K BTU 115V 5th Gen MrCool 18K BTU 230V Mini Split MrCool 5 Ton Ducted Mini Split MrCool DIY 12K BTU 4th Gen MrCool DIY 18k Multi-Zone Mini Split MrCool DIY 18K BTU Multi-Zone Mini Split MrCool 24K BTU 230V Advantage MrCool 9K 115V Mini Split Mrcool Comfort MADE Simple 5th Gen Air Handler MrCool 36k BTU 230V Wall Mount Mrcool 9K BTU 0.75-Ton Cassette MrCool 48,000 BTU Multi-Zone Condenser
Cooling Capacity 12,000 BTU 12K BTU 9,000 BTU 12,000 BTU 18,000 BTU 5 Ton 12,000 BTU 18k BTU 18,000 BTU 24,000 BTU 9,000 BTU not specified 36,000 BTU 9K BTU .75-Ton 48,000 BTU
Efficiency Rating Up to 17.5 SEER2 17.5 -16.5 SEER2 not specified not specified not specified 15.2 SEER2 not specified 23.9 SEER2 Up to 24 SEER2 not specified 18-21.5 SEER2 not specified not specified not specified not specified
Voltage 115V not specified 115V 115V 230V not specified not specified not specified not specified 230V 115V not specified 230V 230V 230V
Coverage Area Up to 550 square feet 500 to 1,200 square feet 400 sq ft up to 550 square feet up to 750 sq. ft. not specified not specified 750-900 sq ft Up to about 350 sq ft each up to 1,000 sq. ft. 500 to 1500 sq ft not specified up to 1,800 sq. ft. not specified not specified
Number of Zones Single Zone Single Zone not specified not specified not specified not specified not specified 3 Zone Two-Zone not specified not specified not specified not specified not specified Multi-Zone
Heat Pump Heat Pump not specified Heat Pump Heat Pump Heat Pump Heat Pump Heat pump not specified Heat Pump Heat Pump Heat Pump not specified Heat Pump not specified not specified
Smart Connectivity MRCOOL Comfort App, voice assistants WiFi Capable, MrCool Comfort App Alexa, Google Assistant Google Assistant, Amazon Alexa Google Assistant, Amazon Alexa Smart thermostat compatible WiFi WiFi, Alexa, Google Assistant, App MRCOOL app, Alexa, Google Assistant not specified not specified SmartHVAC App not specified not specified not specified
Mounting Type not specified not specified not specified Wall Mount Wall Mount Ducted not specified not specified not specified Wall Mount not specified not specified Wall Mount not specified not specified
Smart Control not specified not specified not specified not specified not specified not specified Wi-Fi not specified Alexa not specified not specified not specified not specified not specified not specified
Target Space not specified not specified not specified Office Office not specified not specified not specified not specified Office not specified not specified Office not specified not specified
Dimensions 10.6 × 31.6 × 19.5 inches 10.6 × 28.4 × 19.5 inches 10.6 × 32.9 × 21.3 inches 10 × 40 × 14 inches not specified 17.5 × 21 × 45 inches 16 × 26 × 36 inches 13.5 × 35 × 26.5 inches not specified not specified 17.5 × 21 × 45 inches not specified not specified not specified not specified
Weight not specified 132 pounds not specified 120 pounds not specified 133 pounds 100 pounds 175 pounds not specified not specified 133 pounds not specified not specified 45 pounds not specified
Size 12000 BTU 12K 5th Generation 5th gen 230 V 5 Ton 4th gen not specified not specified not specified 9K 115V 1/4" not specified not specified 1/4"
Color White White White White White White White White White with Silver Accents White White White White White not specified
Model DIYS-12-HP-115A11-O-MPN DIYS EZPRO-09-HP-11516D-O DIY-12-HP-WM-115D25O EZPRO-18-HP-23016 MVP-60-HP-C-230A00-O DIY-12-HP-WM-115C25 DIYM318HPW00D DIYM218HPW03D06 A-24-HP-C-230B, A-24-HP-WMAH-230B A-09-HP-115D-O DIY 5th Gen A-36-HP-230B DIYCASSETTE09HP-230D25-O DIY-MULTI6-48HP230D-O

Mrcool Comfort MADE Simple Lineup

You can sort these 15 models by voltage and mounting type. The 115V wall units, like the MrCool DIY Select 12K BTU 115V Mini Split, plug into standard outlets for easy single-room use. In contrast, the 230V options, such as the MrCool 18K BTU 230V Mini Split, require dedicated circuits for higher output. This distinction helps you match the system to your existing electrical infrastructure without guessing.

Multi-zone and ducted systems offer different coverage areas. The MrCool DIY 18k Multi-Zone Mini Split connects several indoor units to one condenser for flexible zoning. The MrCool 5 Ton Ducted Mini Split serves homes with existing ductwork. These options suit shoppers needing whole-home control rather than single-room cooling.

Who the Mrcool Range Suits

This brand serves users from small apartments to large multi-zone homes. You can choose from 9,000 BTU units for tight spaces up to 400 square feet. The range extends to 36,000 BTU wall mounts for large offices and 5-ton ducted systems for whole-home comfort. Options include wall-mounted, cassette, and ducted forms. You get smart Wi-Fi control on many models, though some basic units lack app connectivity. Note that no 115V multi-zone or large ducted cassette options appear in this list. Choose based on your circuit voltage and room layout.

How to Choose Your Mrcool Mini Split

  1. Check Voltage Requirements

    Start by verifying your home’s electrical capacity. The MrCool DIY Select 12K BTU 115V Mini Split plugs into standard outlets, making it ideal for renters or those avoiding electrical upgrades. Conversely, the MrCool 18K BTU 230V Mini Split requires dedicated 230V wiring. If you lack this infrastructure, stick to 115V models. Higher voltage units deliver more power but demand professional installation. Always match the unit’s voltage to your existing circuit to ensure safe and compliant operation without costly rewiring.

  2. Match BTU to Room Size

    Select the cooling capacity based on your room’s square footage. For spaces under 400 square feet, the Mrcool Comfort 9K BTU 5th Gen Mini Split provides adequate cooling. Medium rooms up to 550 square feet work well with 12,000 BTU units like the DIY Select. Larger areas up to 1,000 square feet may need the 24K BTU Advantage model. Oversizing wastes energy, while undersizing strains the compressor. Use the published coverage area in the specs to find the right fit for your specific room dimensions.

  3. Decide on Mounting Type

    Your installation location dictates the mounting style. Wall-mounted units, such as the MrCool 12K BTU 115V 5th Gen, are versatile and fit most residential rooms. If you have existing ductwork, the MrCool 5 Ton Ducted Mini Split integrates seamlessly for whole-home comfort. For commercial spaces or high ceilings, the Mrcool 9K BTU Cassette offers discreet ceiling mounting. Each type serves different aesthetic and functional needs. Choose the mounting option that aligns with your interior design and structural constraints for optimal airflow distribution.

  4. Evaluate Smart Features

    Consider how you want to control your climate. The MrCool DIY 12K BTU 4th Gen includes Wi-Fi connectivity, allowing remote management via app or voice commands. This is useful for server rooms or greenhouses where monitoring is critical. Other models, like the MrCool 18K BTU 230V, may prioritize raw power over smart integration. If you value convenience and scheduling, look for Wi-Fi enabled units. Basic models rely on standard remotes. Assess your need for remote access versus simple manual control before purchasing.

  5. Consider Multi-Zone Needs

    Determine if you need to cool multiple rooms. Single-zone units, like the MrCool DIY Select 12K, serve one space. For larger homes, the MrCool DIY 18k Multi-Zone Mini Split connects to up to three indoor units. The MrCool 48,000 BTU Multi-Zone Condenser supports even larger systems with multiple indoor handlers. Multi-zone setups offer flexible zoning and efficiency. They allow independent temperature control in different areas. If you only need one unit, a single-zone model is simpler and more cost-effective. Plan your zones based on daily usage patterns.

Frequently asked questions

Which MrCool mini split is best for small rooms under 550 square feet?

The MrCool DIY Select 12K BTU 115V Mini Split is the top choice for these spaces. It operates on standard 115V power, allowing connection to regular outlets. Its compact indoor unit measures 31.6 inches wide and 19.5 inches high, fitting easily into tighter areas without complex electrical upgrades.

What is the most efficient MrCool model for DIY installation?

The MrCool DIY Select 12K BTU offers strong efficiency with a high SEER2 rating. It is designed for straightforward self-installation in single rooms up to 1,200 square feet. The unit features smart control capabilities, letting you manage settings remotely without needing professional technical assistance for setup.

Can I use MrCool mini splits in medium-sized homes with multiple zones?

Yes, several models support multi-zone configurations. The MrCool DIY 18k Multi-Zone Mini Split and the 18K BTU Multi-Zone Mini Split allow control for up to three rooms. These systems connect multiple indoor units to a single outdoor condenser, providing flexible zoning for medium-sized residential spaces.

Which MrCool unit is suitable for spaces with existing ductwork?

The MrCool 5 Ton Ducted Mini Split is built for homes with existing ducts. It delivers powerful, efficient cooling for medium-sized areas. This ducted system integrates with your current infrastructure, offering smart monitoring capabilities while maintaining a compact indoor air handler size of 21 inches wide.

Do MrCool mini splits offer smart home integration?

Many models include Wi-Fi connectivity for remote management. The MrCool DIY 12K BTU 4th Gen provides smart Wi-Fi control and auto-restart features, ideal for server rooms or greenhouses. Other units also support app control, allowing you to adjust temperatures and monitor performance from your smartphone.

What voltage options are available for MrCool mini splits?

MrCool offers both 115V and 230V options depending on your electrical setup. The 115V models, like the 12K BTU Select, plug into standard outlets. The 230V models, such as the 18K BTU and 24K BTU Advantage, require dedicated circuits and are suited for larger spaces or commercial offices.

Are there ceiling-mounted options for MrCool mini splits?

Yes, the MrCool 9K BTU 0.75-Ton Cassette provides a ceiling-mounted solution. This unit is designed for small spaces with 230V power, offering a discreet appearance for commercial or high-ceiling areas. It delivers low-capacity cooling while maintaining the brand’s standard efficiency and smart control features.

See also