Best GREE 21 SEER2 Mini Splits in 2026: 13 Picks
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Finding the best GREE 21 SEER2 mini splits requires matching efficiency ratings to your specific zoning needs. We compared 13 models using only the specifications published on their listings. Our top pick is the Gree Multi21+ Tri-Zone 24k BTU, which leads because it supports three distinct zones for precise cooling. Each unit operates at 21 SEER2 efficiency on 230V power. This guide helps you decide which configuration fits your space, whether you need dual, tri, or quad-zone setups for your home.
Quick picks
The best fit for you
- You need zoned cooling in three separate rooms Gree Multi21+ Tri-Zone 24k BTU This Tri-Zone unit delivers 24,000 BTU across three distinct areas with 21 SEER2 efficiency.
- You want to cool four separate rooms efficiently Gree 30k BTU Quad-Zone Multi21+ The Quad-Zone design provides 30,000 BTU total capacity for four individual zones.
- You require high capacity for large multi-zone homes Gree 42k BTU Tri-Zone Wall Mount This Tri-Zone wall mount offers 42,000 BTU output for serious cooling power.
- You need dual-zone cooling for smaller areas Gree 24K BTU Dual-Zone Mini Split The 24,000 BTU Dual-Zone unit fits compact wall spaces with efficient inverter performance.
Our 13 picks
Gree Multi21+ Tri-Zone 24k BTU
Best for: zoned cooling in three separate rooms
- Efficiency Rating
- 21 SEER2 (what this guide is about)
- Cooling Capacity
- 24,000 BTU
- Voltage
- 208/230V
- Number of Zones
- Tri-Zone
- Heat Pump
- Heat Pump
- Smart Connectivity
- Wi-Fi (optional kit sold separately)
This Gree Multi21+ system delivers 24,000 BTU of cooling across three separate zones. It features a 21 SEER2 efficiency rating and uses a G10 inverter compressor to maintain steady temperatures. The wall-mounted indoor unit measures 38.6 by 31.1 inches. It operates on 208/230V power. You can upgrade to Wi-Fi control with a separate kit. This setup is ideal for homes needing zoned climate management.
Pros
- 21 SEER2 efficiency rating for energy savings
- Tri-zone configuration with 9K, 9K, and 18K units
- G10 inverter technology reduces outdoor noise
- Compact 38.6-inch wide wall-mount design
Cons
- Wi-Fi kit is sold separately
- Line sets are required but not included
- Uses R410A refrigerant instead of newer R32
Good fit if
- You need to control temperatures in three separate rooms
- You want a high-efficiency 21 SEER2 system
- You have space for a 38.6-inch wide wall unit
Skip if
- You require built-in smart connectivity without extra purchases
- You need a floor console model instead of wall mount
- You prefer an R32 refrigerant system
Verdict: Gree 24k BTU Tri-Zone Wall Mount offers precise zoned cooling with high efficiency. It fits buyers who want to manage three distinct areas with a reliable inverter system.
Gree 30k BTU Quad-Zone Multi21+
Best for: cooling four separate rooms efficiently
- Efficiency Rating
- 21 SEER2 (what this guide is about)
- Cooling Capacity
- 30,000 BTU
- Voltage
- 208/230V
- Coverage Area
- 1,000 - 1,650 ft2
- Number of Zones
- Quad-Zone
- Heat Pump
- Heat Pump
This Gree wall unit delivers 30,000 BTU of cooling across four separate zones. It achieves a 21 SEER2 efficiency rating with R32 refrigerant. The G10 inverter compressor maintains steady temperatures while reducing outdoor noise. You can control it via a separate Wi-Fi kit. The 32-inch indoor unit fits spaces up to 1,650 square feet.
Pros
- Quad-zone capability for 9K, 9K, 9K, and 12K indoor units
- 21 SEER2 efficiency rating for energy savings
- G10 inverter technology reduces noise and temperature swings
- R32 eco-friendly refrigerant
Cons
- Wi-Fi connectivity requires a separate field-installed kit
- Line sets are required but not included
- Larger 32-inch indoor unit compared to single-zone models
Good fit if
- You need to cool four distinct rooms from one outdoor condenser
- You want high efficiency with a 21 SEER2 rating
- You have a space up to 1,650 square feet
Skip if
- You need built-in smart controls without buying extra kits
- You require pre-charged line sets for easier installation
- You are cooling a single large room instead of multiple zones
Verdict: Gree 30k BTU Quad-Zone Wall Mount handles four zones with high efficiency. It suits multi-room setups where you prefer centralized control over individual units.
Gree 42k BTU Tri-Zone Floor Console
Best for: large open areas needing three-zone climate control
- Efficiency Rating
- 21 SEER2 (what this guide is about)
- Cooling Capacity
- 42,000 BTU
- Voltage
- 208/230V
- Number of Zones
- Tri-Zone
- Heat Pump
- Heat Pump
This Gree floor console unit delivers 42,000 BTU of cooling and heating across three separate zones. It operates on 230V power and achieves a 21 SEER2 efficiency rating. The G10 inverter compressor maintains steady temperatures while reducing noise. You can mount it as low as six inches from the floor. Front panel access allows for easy filter cleaning. This system is designed for larger spaces requiring multi-zone climate control.
Pros
- Tri-zone capability for independent temperature control in three areas
- 42,000 BTU cooling capacity for large rooms
- 21 SEER2 efficiency rating for energy savings
- G10 inverter technology for steady temperature and reduced noise
- Low-profile floor console design mounts six inches above the floor
Cons
- Uses R410A refrigerant, which is being phased out in newer models
- Floor console form factor requires specific floor space and clearance
- Requires professional installation by a licensed HVAC contractor for warranty
Good fit if
- You need to cool three distinct zones from a single outdoor unit
- You require a high-capacity 42,000 BTU system for a large open area
- You prefer a floor-standing unit over a wall-mounted one
Skip if
- You are looking for a single-zone system for a small room
- You need a wall-mounted unit to save floor space
- You want to install the unit yourself without a licensed contractor
Verdict: Gree 42k BTU Tri-Zone Floor Console is a high-capacity solution for cooling three zones simultaneously. It fits large spaces where floor clearance is available and professional installation is acceptable.
Gree 24K BTU Dual-Zone Mini Split
Best for: smaller dual-zone cooling and heating needs
- Efficiency Rating
- 21 SEER2 (what this guide is about)
- Cooling Capacity
- 24,000 BTU
- Voltage
- 208/230V
- Coverage Area
- 800 - 1,300 ft2
- Number of Zones
- Dual-Zone
- Heat Pump
- Heat Pump
This Gree Multi21+ system delivers 24,000 BTU of cooling and heating across two zones. It achieves a 21 SEER2 efficiency rating, helping you manage energy use in spaces up to 1,300 square feet. The unit uses a G10 inverter compressor for steady temperatures and lower outdoor noise. It operates on 208/230V power. You can add Wi-Fi control via a separate field-installed kit. It is a compact wall-mount solution for smaller dual-zone needs.
Pros
- 24,000 BTU cooling capacity for medium rooms
- 21 SEER2 energy efficiency rating
- Dual-zone capability without distribution boxes
- G10 inverter technology for steady temperature control
Cons
- Smaller 24,000 BTU capacity compared to other 30K-42K options on this list
- Wi-Fi control is not included and requires a separate purchase
- Requires separate line sets for installation
Good fit if
- You need to cool two separate zones in a smaller home
- You want a compact wall-mount unit for spaces under 1,300 sq ft
- You prioritize steady inverter-driven temperature control
Skip if
- You require a single-zone system for a large open area
- You need heating and cooling for over 1,300 square feet
- You want built-in smart home connectivity without extra parts
Verdict: Gree Multi21+ 24K BTU Dual-Zone fits buyers who need precise, efficient climate control for two smaller zones. It is ideal for homes where the 24,000 BTU output is sufficient and you prefer a compact wall-mounted design.
Gree 42k BTU Quad-Zone Floor Console
Best for: multi-zone large spaces with floor clearance
- Efficiency Rating
- 21 SEER2 (what this guide is about)
- Cooling Capacity
- 42,000 BTU
- Voltage
- 208/230V
- Number of Zones
- Quad-Zone
- Heat Pump
- Heat Pump
This Gree Multi21+ unit delivers 42,000 BTU of cooling and heating across four separate zones. It uses a floor console design that mounts low to the wall, saving ceiling space. The system runs on 230V power and achieves a 21 SEER2 efficiency rating. It utilizes G10 inverter technology to maintain steady temperatures without harsh cycling. This model suits larger spaces where multi-zone control and floor-mounted aesthetics are priorities.
Pros
- Cools and heats four distinct zones independently
- Floor console design mounts six inches above the floor
- 21 SEER2 efficiency rating for energy savings
- G10 inverter compressor reduces outdoor noise and cycling
Cons
- Larger 42,000 BTU capacity may be excessive for small rooms
- Floor console form factor requires specific clearance and layout planning
- Requires professional installation by a licensed HVAC contractor for warranty
Good fit if
- You need to control temperature in four separate areas
- You prefer floor-mounted units that do not hang from the ceiling
- You have a large space requiring 42,000 BTU of capacity
Skip if
- You only need to cool or heat a single room
- You require a wall-mounted unit to save floor space
- You want to perform the installation yourself without a licensed contractor
Verdict: Gree 42k BTU Quad-Zone Floor Console is ideal for large homes needing precise temperature control across four zones. Its floor-mounted design and high capacity make it a practical solution for open layouts or multi-room setups.
Gree 42k BTU Tri-Zone Wall Mount
Best for: large multi-zone homes needing high capacity
- Efficiency Rating
- 21 SEER2 (what this guide is about)
- Cooling Capacity
- 42,000 BTU
- Voltage
- 208/230V
- Coverage Area
- 1,400 - 2,300 ft2
- Number of Zones
- Tri-Zone
- Heat Pump
- Heat Pump
This Gree wall mount unit delivers 42,000 BTU of cooling across three zones. It features a 21 SEER2 efficiency rating and a 208/230V voltage rating. The system uses a G10 inverter compressor for steady temperatures. It covers 1,400 to 2,300 square feet. Smart control requires a separate Wi-Fi kit. It suits larger homes needing multi-zone climate management.
Pros
- 21 SEER2 efficiency rating for energy savings
- 42,000 BTU capacity for large spaces
- Tri-zone configuration without distribution boxes
- G10 inverter compressor reduces outdoor noise
Cons
- Wi-Fi connectivity is not built-in
- Requires field-installed line sets
- Larger 29-inch width than dual-zone models
Good fit if
- You need to cool three separate areas
- You have a 1,400 to 2,300 sq ft space
- You want a high-efficiency 21 SEER2 system
Skip if
- You need built-in smart home integration
- You only require a single zone
- You have limited wall space for a 29-inch unit
Verdict: Gree 42K BTU Tri-Zone Wall Mount offers high capacity and efficiency for multi-room homes. It fits buyers who need serious cooling power across three zones without distribution boxes.
Gree 42K BTU Dual-Zone Wall Mount
Best for: large dual-zone cooling needs
- Efficiency Rating
- 21 SEER2 (what this guide is about)
- Cooling Capacity
- 42,000 BTU
- Voltage
- 208/230V
- Coverage Area
- 1,400 - 2,300 ft2
- Number of Zones
- Dual-Zone
- Heat Pump
- Heat Pump
This Gree Multi21+ unit delivers 42,000 BTU of cooling across two zones. It features a 21 SEER2 rating and uses R32 refrigerant with a G10 inverter compressor. The wall-mount design fits spaces up to 2,300 square feet. You get steady temperature control without distribution boxes. Smart Wi-Fi control is available as a separate accessory.
Pros
- 42,000 BTU cooling capacity for larger areas
- 21 SEER2 efficiency rating for energy savings
- Dual-zone capability without distribution boxes
- G10 inverter compressor for steady temperatures
Cons
- Wi-Fi connectivity requires a separate purchase
- Line sets are not included in the package
- Wall-mount form factor may not suit all layouts
Good fit if
- You need high cooling power for two separate rooms
- You want a high-efficiency 21 SEER2 system
- You prefer wall-mounted units over floor consoles
Skip if
- You require built-in smart Wi-Fi without extra parts
- You need a single-zone configuration
- You are looking for a floor console model
Verdict: Gree 42k BTU Dual-Zone Wall Mount provides strong dual-zone cooling for larger spaces. It suits buyers who prioritize high capacity and efficiency over included smart features.
Gree Multi21+ 30k BTU Dual-Zone
Best for: Two-zone cooling with high efficiency
- Efficiency Rating
- 21 SEER2 (what this guide is about)
- Cooling Capacity
- 30,000 BTU
- Voltage
- 208/230V
- Coverage Area
- 1,000 - 1,650 ft2
- Number of Zones
- Dual-Zone
- Heat Pump
- Heat Pump
This Gree Multi21+ unit delivers 30,000 BTU of cooling and heating for two separate zones. It achieves a 21 SEER2 efficiency rating with a 12.5 EER. The system uses a G10 inverter compressor to maintain steady temperatures. It covers spaces between 1,000 and 1,650 square feet. You get wall-mount indoor units for each zone. Smart control requires a separate Wi-Fi kit.
Pros
- 30,000 BTU cooling capacity for larger areas
- Dual-zone configuration for independent temperature control
- 21 SEER2 efficiency rating for energy savings
- G10 inverter compressor for steady operation
Cons
- Wi-Fi connectivity is not built-in
- Line sets are not included
- Uses R410A refrigerant instead of R32
Good fit if
- You need to condition two separate rooms
- You want a 30,000 BTU wall-mount system
- You prioritize high SEER2 efficiency ratings
Skip if
- You require built-in smart home integration
- You need a single-zone configuration
- You prefer the newer R32 refrigerant
Verdict: Gree 30k BTU Dual-Zone Wall Mount suits you if you need to heat and cool two distinct areas with high efficiency. It offers solid capacity for medium-to-large spaces but lacks modern smart features out of the box.
Gree 30K BTU Dual-Zone LIVO+ Mini Split
Best for: cooling two large rooms with high efficiency
- Efficiency Rating
- 21 SEER2 (what this guide is about)
- Cooling Capacity
- 30,000 BTU
- Voltage
- 208/230V
- Coverage Area
- 1,000 - 1,650 ft2
- Number of Zones
- Dual-Zone
- Heat Pump
- Heat Pump
This Gree Multi21+ system delivers 30,000 BTU of cooling and heating for two separate zones. It operates at 21 SEER2 efficiency with a 12.5 EER rating. The unit covers 1,000 to 1,650 square feet using 208/230V power. It uses a G10 inverter compressor for steady temperatures. You can add Wi-Fi control with a separate field-installed kit. It is designed for wall mounting in dual-zone setups.
Pros
- 30,000 BTU cooling capacity for two zones
- 21 SEER2 efficiency rating
- G10 inverter compressor for steady temperature
- 208/230V voltage compatibility
- Optional Wi-Fi kit for remote control
Cons
- Wi-Fi connectivity requires a separate purchase
- Uses R410A refrigerant instead of newer R32
- Line sets are required but not included
Good fit if
- You need to cool and heat two distinct rooms
- You want a 30,000 BTU unit for larger spaces
- You prefer wall-mounted indoor units for both zones
Skip if
- You need smart controls included in the box
- You are looking for a single-zone system
- You require R32 refrigerant for environmental reasons
Verdict: Gree 30k BTU Dual-Zone Wall Mount provides strong dual-zone performance with 21 SEER2 efficiency. It suits buyers who need to manage two rooms with a 30,000 BTU capacity and do not mind buying a Wi-Fi kit separately.
Gree 36K BTU Tri-Zone Wall Mount
Best for: Large open spaces requiring three zone controls
- Efficiency Rating
- 21 SEER2 (what this guide is about)
- Cooling Capacity
- 36,000 BTU
- Voltage
- 208/230V
- Coverage Area
- 1,200 - 2,000 ft2
- Number of Zones
- Tri-Zone
- Heat Pump
- Heat Pump
This Gree 36,000 BTU wall mount unit cools spaces from 1,200 to 2,000 square feet. It uses a G10 inverter compressor for steady temperatures and lower outdoor noise. The system serves three zones with 9K, 18K, and 18K capacities. It offers 21 SEER2 efficiency and includes a heat pump. You can add a Wi-Fi kit separately for remote control. It fits well for larger open areas needing multi-zone comfort.
Pros
- 21 SEER2 efficiency rating for energy savings
- Tri-zone configuration with 9K, 18K, and 18K capacities
- G10 inverter compressor maintains steady room temperatures
- Includes heat pump functionality for year-round use
Cons
- Wi-Fi connectivity requires a separate field-installed accessory
- Uses R410A refrigerant instead of newer eco-friendly R32
- Requires separate line sets for each zone
Good fit if
- You need to cool three distinct zones from one outdoor unit
- You want a wall mount system for a large open area
- You prioritize steady temperature control over rapid cooling
Skip if
- You need built-in smart home connectivity without extra parts
- You are looking for an R32 refrigerant system
- You only need to cool a single small room
Verdict: Gree 36K BTU Tri-Zone Wall Mount is a solid choice for homeowners with large, open layouts who need to manage three separate zones. It delivers reliable comfort through inverter technology and high efficiency, though you must budget for the separate Wi-Fi adapter.
Gree 30,000 BTU Dual-Zone Wall Mount
Best for: two-zone cooling needs up to 1,650 sq ft
- Efficiency Rating
- 21 SEER2 (what this guide is about)
- Cooling Capacity
- 30,000 BTU
- Voltage
- 208/230V
- Coverage Area
- 1,000 - 1,650 ft2
- Number of Zones
- Dual-Zone
- Heat Pump
- Heat Pump
This Gree Multi21+ system delivers 30,000 BTU of cooling across two zones using 208/230V power. It achieves a 21 SEER2 efficiency rating with G10 inverter technology for steady temperatures. The wall-mount design fits rooms between 1,000 and 1,650 square feet. You get heat pump functionality and quiet operation. Wi-Fi control requires a separate field-installed kit, keeping the base unit simple and compact.
Pros
- 30,000 BTU cooling capacity for dual-zone coverage
- 21 SEER2 efficiency rating for energy savings
- G10 inverter compressor for steady temperature control
- 208/230V voltage compatibility
- Covers 1,000 to 1,650 square feet
Cons
- Wi-Fi connectivity is not built-in and requires a separate accessory
- Uses R410A refrigerant instead of newer eco-friendly R32
- Dual-zone configuration limits flexibility compared to tri-zone models
Good fit if
- You need to cool two separate rooms with a single outdoor unit
- You want a 30,000 BTU system for spaces up to 1,650 square feet
- You prefer wall-mount indoor units for a compact aesthetic
Skip if
- You require built-in smart home integration without extra purchases
- You need to control three or more zones independently
- You are installing in a space larger than 1,650 square feet
Verdict: Gree 30,000 BTU Dual-Zone Wall Mount suits homeowners who need reliable, efficient cooling for two distinct areas. It offers strong capacity and steady inverter performance, though you must budget for a separate Wi-Fi kit if remote control is essential.
Gree 36k BTU Dual-Zone Wall Mount
Best for: Dual-zone cooling in larger rooms
- Efficiency Rating
- 21 SEER2 (what this guide is about)
- Cooling Capacity
- 36,000 BTU
- Voltage
- 208/230V
- Coverage Area
- 1,200 - 2,000 ft2
- Number of Zones
- Dual-Zone
- Heat Pump
- Heat Pump
This Gree Multi21+ unit delivers 36,000 BTU of cooling across two zones. It operates at 21 SEER2 efficiency, making it suitable for spaces between 1,200 and 2,000 square feet. The system uses a G10 inverter compressor for steady temperatures. It includes a heat pump for year-round comfort. You can add Wi-Fi control via a separate accessory. This wall-mount design fits homes needing dual-zone flexibility.
Pros
- 36,000 BTU cooling capacity for larger rooms
- 21 SEER2 energy efficiency rating
- Dual-zone capability without distribution boxes
- G10 inverter compressor for steady temperature
Cons
- Wi-Fi connectivity requires a separate purchase
- Uses R410A refrigerant instead of R32
- Higher capacity than standard single-zone units
Good fit if
- You need to cool two separate areas
- You have a space up to 2,000 square feet
- You want high efficiency with dual-zone control
Skip if
- You require built-in smart home connectivity
- You need a single-zone configuration only
- You prefer R32 refrigerant systems
Verdict: Gree 36k BTU Dual-Zone Wall Mount provides strong dual-zone performance for medium to large spaces. It is ideal for homeowners who need flexible zoning and high efficiency without built-in smart features.
Gree 36k BTU Dual-Zone Floor Console
Best for: Dual-zone comfort in spaces with limited wall space
- Efficiency Rating
- 21 SEER2 (what this guide is about)
- Cooling Capacity
- 36,000 BTU
- Voltage
- 208/230V
- Number of Zones
- Dual-Zone
- Heat Pump
- Heat Pump
This Gree Multi21+ unit delivers 36,000 BTU of cooling and heating across two zones. It uses G10 inverter technology for steady temperatures and R410A refrigerant. The floor console mounts as low as six inches above the floor. It operates on 230V power. This system suits spaces where wall space is limited but you need dual-zone comfort with high efficiency.
Pros
- 36,000 BTU cooling capacity for larger areas
- Dual-zone operation without distribution boxes
- G10 inverter technology maintains steady temperatures
- Floor console mounts low to the ground
Cons
- Only covers two zones, unlike tri-zone competitors
- Uses R410A refrigerant instead of newer R32
- Floor console form factor requires specific placement
Good fit if
- You need dual-zone climate control for a large open area
- You have limited wall space for standard wall mounts
- You prefer a floor console unit that sits low to the ground
Skip if
- You require tri-zone or quad-zone capability
- You are looking for R32 refrigerant models
- You need a standard wall-mounted indoor unit
Verdict: Gree 36k BTU Dual-Zone Floor Console provides robust dual-zone comfort in a low-profile design. It is ideal for buyers who need high capacity and flexible placement options rather than multi-zone flexibility.
Specifications side by side
| Spec | Gree Multi21+ Tri-Zone 24k BTU | Gree 30k BTU Quad-Zone Multi21+ | Gree 42k BTU Tri-Zone Floor Console | Gree 24K BTU Dual-Zone Mini Split | Gree 42k BTU Quad-Zone Floor Console | Gree 42k BTU Tri-Zone Wall Mount | Gree 42K BTU Dual-Zone Wall Mount | Gree Multi21+ 30k BTU Dual-Zone | Gree 30K BTU Dual-Zone LIVO+ Mini Split | Gree 36K BTU Tri-Zone Wall Mount | Gree 30,000 BTU Dual-Zone Wall Mount | Gree 36k BTU Dual-Zone Wall Mount | Gree 36k BTU Dual-Zone Floor Console |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cooling Capacity | 24,000 BTU | 30,000 BTU | 42,000 BTU | 24,000 BTU | 42,000 BTU | 42,000 BTU | 42,000 BTU | 30,000 BTU | 30,000 BTU | 36,000 BTU | 30,000 BTU | 36,000 BTU | 36,000 BTU |
| Efficiency Rating | 21 SEER | 21 SEER | 21 SEER | 21 SEER | 21 SEER | 21 SEER | 21 SEER | 21 SEER | 21 SEER | 21 SEER | 21 SEER | 21 SEER | 21 SEER |
| Voltage | 208/230V | 208/230V | 208/230V | 208/230V | 208/230V | 208/230V | 208/230V | 208/230V | 208/230V | 208/230V | 208/230V | 208/230V | 208/230V |
| Coverage Area | not specified | 1,000 - 1,650 ft2 | not specified | 800 - 1,300 ft2 | not specified | 1,400 - 2,300 ft2 | 1,400 - 2,300 ft2 | 1,000 - 1,650 ft2 | 1,000 - 1,650 ft2 | 1,200 - 2,000 ft2 | 1,000 - 1,650 ft2 | 1,200 - 2,000 ft2 | not specified |
| Number of Zones | Tri-Zone | Quad-Zone | Tri-Zone | Dual-Zone | Quad-Zone | Tri-Zone | Dual-Zone | Dual-Zone | Dual-Zone | Tri-Zone | Dual-Zone | Dual-Zone | Dual-Zone |
| Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat Pump |
| Smart Connectivity | Wi-Fi (optional kit sold separately) | Wi-Fi (optional kit sold separately) | not specified | not specified | not specified | Wi-Fi (optional kit sold separately) | Wi-Fi kit accessory (sold separately) | Wi-Fi (optional kit sold separately) | Wi-Fi (optional kit sold separately) | Wi-Fi kit accessory (sold separately) | Wi-Fi kit accessory (sold separately) | Wi-Fi kit accessory (sold separately) | not specified |
| Width | 38.6 inches | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Height | 31.1 inches | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Dimensions | not specified | 8 × 32 × 14 inches | not specified | not specified | not specified | 10 × 29 × 11 inches | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Size | 24,000 BTU / 9K, 9K, 18K | 30,000 BTU / 9K, 9K, 9K, 12K | not specified | 24,000 BTU / 9K, 12K | not specified | 42,000 BTU / 9K, 18K, 18K | 42,000 BTU / 9K, 18K | 30,000 BTU / 12K, 12K | 30,000 BTU / 12K, 24K | 36,000 BTU / 9K, 18K, 18K | 30,000 BTU / 9K, 18K | 36,000 BTU / 9K, 18K | not specified |
| Color | White | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Model | MULTI24CVIR302 | MULTI30CLIV401 3 0 | not specified | MULTI24CLIV201 | MULTI42 | not specified | MULTI42CLIV202 | not specified | MULTI30CLIV206 | MULTI36CLIV307 | not specified | not specified | not specified |
If you want external controller hardware, compare mysa smart thermostat mini split heat alternatives for your setup.
Choosing the right GREE 21 SEER2 mini split
-
Match zones to rooms
Select the number of zones based on how many distinct areas you need to control. Dual-zone models like the 24K BTU unit handle two rooms. Tri-zone options, such as the 24k BTU Tri-Zone Wall Mount, manage three separate spaces. Quad-zone systems, including the 30k BTU Quad-Zone Multi21+, cover four rooms. Ensure your layout requires this many zones to avoid paying for unused capacity. Each zone operates independently, allowing you to set different temperatures for each area.
-
Check mounting style
Decide between wall-mounted and floor console units based on your available space. Wall mounts, like the 24K BTU Dual-Zone, save floor space and are standard for most homes. Floor consoles, such as the 42k BTU Tri-Zone Floor Console, sit low to the ground. This style suits rooms with limited wall space or where you prefer a low-profile look. Ensure you have adequate clearance for the unit’s height and depth during installation.
-
Verify voltage requirements
All listed GREE models require a 230V electrical connection. This is standard for most mini split installations in the US. You do not need to worry about 110V compatibility for these specific units. Ensure your home’s electrical panel can support a 230V circuit for the chosen capacity. Professional installation is required to handle the wiring safely. Check your breaker box before purchasing to confirm you have the necessary power supply for efficient operation.
-
Assess capacity needs
Choose the total BTU output based on your square footage and heat load. Smaller spaces may only need 24,000 BTU, while larger open areas require 42,000 BTU. The 42k BTU Quad-Zone Floor Console offers high capacity for extensive layouts. Match the total output to your cooling demands. Oversizing leads to short cycling, while undersizing struggles to maintain temperature. Use the BTU ratings provided in the specs to estimate the right size for your specific rooms.
-
Plan for smart features
Many models do not include built-in Wi-Fi control. You may need to purchase a separate Wi-Fi kit for remote management. The 30K BTU Dual-Zone LIVO+ Mini Split and 36K BTU Tri-Zone Wall Mount both require this additional accessory. Factor the cost of the adapter into your budget if you want app control. Without it, you rely on the included remote. Check the product details to see if smart features are included or sold separately before finalizing your choice.
Frequently asked questions
What is the highest capacity GREE 21 SEER2 model available?
The highest capacity options reach 42,000 BTU. These units include the Tri-Zone Floor Console and the Quad-Zone Floor Console. They are designed for large open areas or multi-room setups where high cooling power is necessary. The Tri-Zone Wall Mount also offers 42,000 BTU for three zones without distribution boxes.
Do these mini splits come with Wi-Fi built-in?
No, Wi-Fi connectivity is not built into these units. You must purchase a separate Wi-Fi kit or adapter to enable remote control. Several models explicitly note that the adapter is sold separately, so you need to budget for this accessory if you want smart features.
Which model is best for cooling four separate rooms?
The Gree 30k BTU Quad-Zone Multi21+ is designed for four separate rooms. It delivers 30,000 BTU total capacity split across four individual zones. This setup allows you to manage each room independently while maintaining high 21 SEER2 efficiency across the entire system.
Are there floor-standing options for multi-zone cooling?
Yes, there are floor console options available for larger spaces. The 42k BTU Tri-Zone Floor Console and the 42k BTU Quad-Zone Floor Console both use a floor-mounted design. These are practical for open layouts or areas where wall clearance is limited, provided you have the necessary floor space.
What power voltage do these GREE units require?
All listed models require 230V power. This consistent voltage requirement applies to every unit in the list, from dual-zone to quad-zone configurations. Ensure your home electrical system supports 230V before installation, as this is a standard requirement for these high-efficiency inverter systems.
Can I control three different zones with one unit?
Yes, several models support tri-zone control. The Gree Multi21+ Tri-Zone 24k BTU and the 36K BTU Tri-Zone Wall Mount both manage three separate areas. These units allow you to set different temperatures for each zone, providing precise climate control for distinct rooms or spaces.