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The Best Della Mini Splits in 2026: 15 Picks

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Finding the best Della mini splits requires checking their published specifications. Della offers a range of indoor units, including wall-mounted, ducted, and ceiling cassette models. These units vary from 11,000 to 28,000 BTU and support single, dual, or tri-zone setups. We compared 15 options based strictly on their listing specs.

The top pick is the DELLA Vario 12K BTU 23 SEER2. It leads because its 23 SEER2 efficiency rating and 230V voltage provide precise comfort for small rooms. This model balances high efficiency with quiet operation for bedrooms or offices.

Quick picks

#ProductBest forPrice
1 DELLA Vario 12K BTU 23 SEER2 Best overall Small rooms with 208-230V power Check price of DELLA Vario 12K BTU 23 SEER2 on Amazon
2 DELLA Serena 12000 BTU 230V Mini Split Best budget small rooms needing smart, quiet cooling Check price of DELLA Serena 12000 BTU 230V Mini Split on Amazon
3 DELLA Econo 17,000 BTU Mini Split Best 17 seer2 1,000 sq ft spaces needing 17K BTU Check price of DELLA Econo 17,000 BTU Mini Split on Amazon
4 DELLA Motto 18k BTU 19 SEER2 Also great Cold-climate heating in medium rooms Check price of DELLA Motto 18k BTU 19 SEER2 on Amazon
5 DELLA 18K BTU Dual Zone Mini Split Best premium Two-room homes with 230V power Check price of DELLA 18K BTU Dual Zone Mini Split on Amazon
6 DELLA Vita 12K BTU 115V Mini Split Also great single rooms needing quiet, smart 115V cooling Check price of DELLA Vita 12K BTU 115V Mini Split on Amazon
7 DELLA Optima 23K BTU Soft Airflow Also great large rooms with 230V power access Check price of DELLA Optima 23K BTU Soft Airflow on Amazon
8 DELLA Umbra 12K BTU 20 SEER2 Also great Single-room cooling with standard voltage Check price of DELLA Umbra 12K BTU 20 SEER2 on Amazon
9 Della 28K BTU 3-Zone Mini Split Best tri zone cooling three separate rooms with one unit Check price of Della 28K BTU 3-Zone Mini Split on Amazon
10 Della 28K BTU Dual Zone Mini Split Also great Two-room homes with 230V power Check price of Della 28K BTU Dual Zone Mini Split on Amazon
11 Della 11k BTU Ducted Mini Split Also great concealed ceiling installations in small rooms Check price of Della 11k BTU Ducted Mini Split on Amazon
12 DELLA 27,000 BTU 2-Zone Ceiling Cassette Also great Commercial spaces needing concealed ceiling cooling Check price of DELLA 27,000 BTU 2-Zone Ceiling Cassette on Amazon
13 Della 18K BTU Dual Zone Mini Split Best 25 seer2 two small rooms needing independent cooling Check price of Della 18K BTU Dual Zone Mini Split on Amazon
14 Della 20K BTU Dual Zone Mini Split Also great Two rooms with different cooling needs Check price of Della 20K BTU Dual Zone Mini Split on Amazon
15 DELLA 18K BTU Ceiling Cassette 20.5 SEER2 Also great single large rooms needing 230V power Check price of DELLA 18K BTU Ceiling Cassette 20.5 SEER2 on Amazon

Our 15 picks

Best overall

DELLA Vario 12K BTU 23 SEER2

Best for: Small rooms with 208-230V power

Cooling Capacity
12,000 BTU
Efficiency Rating
23 SEER2
Voltage
208-230V
Coverage Area
Up to 550 sq ft
Heat Pump
Heat Pump
Smart Connectivity
Alexa

View on Amazon: DELLA Vario 12K BTU 23 SEER2

The Della Vario Series is a 12,000 BTU heat pump with 23 SEER2 efficiency. It operates on 208-230V power and covers up to 550 square feet. The unit includes smart Alexa connectivity and a smart sensor that adjusts temperature based on the remote's location. It runs quietly at 28 dBa and handles heating down to -4°F. This model suits smaller rooms where high efficiency and precise comfort control are priorities.

Pros

  • High 23 SEER2 energy efficiency rating
  • Smart sensor adjusts temperature based on remote location
  • Ultra-quiet operation at 28 dBa
  • Works with Alexa for voice control
  • Includes 16.4 ft installation kit

Cons

  • Requires 208-230V electrical connection, not standard 115V
  • Heating capacity limited to -4°F outdoor temperature
  • Indoor unit is 31.9 inches wide, larger than some compact models

Good fit if

  • You need high efficiency for a small room under 550 sq ft
  • You have a 208-230V electrical circuit available
  • You want smart temperature sensing from the remote

Skip if

  • You require standard 115V plug-in power
  • You need heating performance in sub-zero temperatures below -4°F
  • You are installing in a space larger than 550 square feet

Verdict: DELLA Vario 12K BTU 23 SEER2 Mini Split is a high-efficiency option for small rooms with 208-230V power. It offers precise comfort control through its smart sensor feature and quiet operation, making it suitable for bedrooms or home offices where noise and energy use matter.

Best budget

DELLA Serena 12000 BTU 230V Mini Split

Best for: small rooms needing smart, quiet cooling

Cooling Capacity
12000 BTU/h (1 ton)
Efficiency Rating
22 SEER2
Voltage
208V-230V
Coverage Area
up to 550 Sq.Ft
Heat Pump
heat pump
Smart Connectivity
Alexa, Google Home, DELLA app WIFI

View on Amazon: DELLA Serena 12000 BTU 230V Mini Split

The DELLA Serena is a 12,000 BTU heat pump designed for spaces up to 550 square feet. It operates on 230V power and delivers a 22 SEER2 efficiency rating. Smart features include Alexa and Google Home integration, plus a dedicated app with geo-location controls. The indoor unit runs quietly at 22 dBa in mute mode. This model includes a 16.4ft installation kit and utilizes PureClean technology to maintain air quality.

Pros

  • 22 SEER2 efficiency rating for energy savings
  • Alexa and Google Home voice control support
  • Ultra-quiet 22 dBa operation in mute mode
  • PureClean tech reduces dust buildup
  • Includes 16.4ft installation kit with copper pipes

Cons

  • 12,000 BTU capacity is smaller than many competitors
  • Limited to single-zone cooling and heating
  • Requires professional installation and line-set vacuuming

Good fit if

  • You need efficient cooling for a room up to 550 square feet
  • You want smart home integration with Alexa or Google Home
  • You prefer quiet operation for bedrooms or living areas

Skip if

  • You require cooling for spaces larger than 550 square feet
  • You need to control multiple zones simultaneously
  • You are looking for a DIY-friendly installation without professional help

Verdict: DELLA Serena 12,000 BTU 22 SEER2 fits small rooms where quiet, smart-controlled comfort is the priority. It is not suitable for larger spaces or multi-zone setups.

Best 17 seer2

DELLA Econo 17,000 BTU Mini Split

Best for: 1,000 sq ft spaces needing 17K BTU

Cooling Capacity
17,000 BTU
Efficiency Rating
17 SEER2
Voltage
208-230V
Coverage Area
Up to 1000 sq ft
Heat Pump
Heat Pump
Smart Connectivity
Wi-Fi, Alexa, App control

View on Amazon: DELLA Econo 17,000 BTU Mini Split

This 17,000 BTU unit from Della’s Econo Series offers 17 SEER2 efficiency on 208-230V power. It cools and heats spaces up to 1,000 square feet. The system includes Wi-Fi connectivity and Alexa support for remote control. It features 4D airflow and a smart sensor in the remote. The indoor unit measures 35.8 inches wide and weighs 86 pounds. It is designed for professional installation.

Pros

  • 17,000 BTU cooling capacity for medium rooms
  • 17 SEER2 energy efficiency rating
  • Wi-Fi and Alexa smart connectivity
  • 4D airflow for directional control
  • Smart sensor located in the remote

Cons

  • 17 SEER2 is lower than many competitors on this list
  • Requires 208-230V electrical connection
  • Professional installation is mandatory

Good fit if

  • You need a 17,000 BTU unit for a 1,000 sq ft space
  • You have 208-230V wiring available
  • You want smart control via Alexa

Skip if

  • You require 230V-only units with higher efficiency
  • You need a 115V plug-in model
  • You want a DIY installation process

Verdict: DELLA 17K BTU 17 SEER2 Mini Split is a solid option for users who need reliable 17,000 BTU cooling with smart features. It suits those with 208-230V power who prioritize coverage over peak efficiency.

Also great

DELLA Motto 18k BTU 19 SEER2

Best for: Cold-climate heating in medium rooms

Cooling Capacity
18000 BTU/h
Efficiency Rating
19 SEER2
Voltage
208V~230V
Coverage Area
up to 1000 sq. ft.
Heat Pump
Heat pump
Smart Connectivity
Wifi, Alexa

View on Amazon: DELLA Motto 18k BTU 19 SEER2

The Della Motto Series offers 18,000 BTU cooling with 19 SEER2 efficiency on 230V power. It covers up to 1,000 square feet and includes a heat pump for heating down to 5°F. Smart features include Wi-Fi, Alexa support, and a smart sensor that adjusts airflow based on remote location. It operates quietly at 29 dBA and uses R-32 refrigerant.

Pros

  • 19 SEER2 efficiency rating for energy savings
  • Heat pump performs in temperatures down to 5°F
  • Smart sensor adjusts temperature based on remote location
  • Ultra-quiet operation at 29 dBA
  • Includes 16ft copper line set

Cons

  • Requires 230V electrical connection
  • Smaller coverage area compared to 24K+ models
  • Lower SEER2 rating than top-tier 25 SEER2 options

Good fit if

  • You have a 230V outlet available for installation
  • You need heating capability in cold climates down to 5°F
  • You want smart control via Alexa or Wi-Fi

Skip if

  • You only have 115V outlets available
  • You need to cool a space larger than 1,000 square feet
  • You require the highest possible SEER2 efficiency rating

Verdict: DELLA Motto 18K BTU 230V Mini Split is a solid mid-capacity choice for rooms up to 1,000 sq. ft. that need reliable heating in cold weather. It suits buyers who already have 230V wiring and value quiet operation over maximum efficiency.

Best premium

DELLA 18K BTU Dual Zone Mini Split

Best for: Two-room homes with 230V power

Cooling Capacity
18,000 BTU (1.5 Ton)
Efficiency Rating
22 SEER2
Voltage
230V
Coverage Area
Up to 850 sq ft
Number of Zones
2 Zone
Heat Pump
Heat Pump

View on Amazon: DELLA 18K BTU Dual Zone Mini Split

This 18,000 BTU dual-zone mini split serves two rooms up to 850 sq ft. It runs on 230V power and achieves a 22 SEER2 efficiency rating. You get Wi-Fi control via the app or Alexa. The unit includes a 16.4ft installation kit and operates as a heat pump down to -13°F. It is a solid choice for standard residential cooling and heating needs.

Pros

  • 22 SEER2 energy efficiency rating
  • Dual-zone control for two rooms
  • Works with Alexa and Google Home
  • Includes 16.4ft copper line set kit

Cons

  • Self-cleaning function does not operate
  • Requires professional installation only
  • Outdoor unit is not weather-sealed for direct rain

Good fit if

  • You need to cool two separate rooms
  • You have a 230V electrical outlet available
  • You want smart voice control integration

Skip if

  • You only need to cool one room
  • You prefer a DIY installation process
  • You require a 115V plug-in unit

Verdict: DELLA 18K BTU 2 Zone 22 SEER2 offers reliable dual-zone cooling with high efficiency for homes needing 230V power. It fits buyers who want smart features and professional-grade performance for two medium-sized spaces.

Also great

DELLA Vita 12K BTU 115V Mini Split

Best for: single rooms needing quiet, smart 115V cooling

Cooling Capacity
12,000 BTU (1 Ton)
Efficiency Rating
20 SEER2
Voltage
115V
Coverage Area
Up to 550 sq ft
Heat Pump
Heat Pump
Smart Connectivity
Wi-Fi, Alexa, Google Assistant, App

View on Amazon: DELLA Vita 12K BTU 115V Mini Split

The Della Vita Series is a 12,000 BTU heat pump designed for spaces up to 550 square feet. It runs on standard 115V power and achieves a 20 SEER2 efficiency rating. Key features include a 28 dB operating noise level and an "I Feel" sensor for precise temperature reading. This unit supports Wi-Fi control via the Della app, Alexa, and Google Assistant, offering flexible smart home integration for consistent comfort.

Pros

  • 20 SEER2 efficiency rating for energy savings
  • Ultra-quiet operation at 28 dB
  • "I Feel" sensor reads temperature at the remote
  • Works with Alexa, Google Assistant, and Della App
  • Heats reliably in temperatures as low as -4℉

Cons

  • Limited to 115V power, restricting larger capacity options
  • Smaller 12,000 BTU capacity compared to multi-zone or 18K+ models
  • Heavier indoor unit at 18.7 pounds

Good fit if

  • You need a standard 115V outlet for installation
  • You want quiet operation for a bedroom or nursery
  • You prefer smart control via Alexa or Google Assistant

Skip if

  • You require heating for spaces larger than 550 sq ft
  • You need a multi-zone system for multiple rooms
  • You are looking for a higher efficiency rating than 20 SEER2

Verdict: DELLA Vita 12000 BTU 115V Mini Split is a practical choice for single-room cooling and heating where standard electrical outlets and quiet performance are priorities. It suits buyers who value smart home integration and precise temperature sensing over raw capacity.

Also great

DELLA Optima 23K BTU Soft Airflow

Best for: large rooms with 230V power access

Cooling Capacity
23000 BTU
Efficiency Rating
23 SEER2
Voltage
230V
Coverage Area
up to 1500 sq.ft
Heat Pump
1.92 Ton Heat Pump
Smart Connectivity
Alexa or the Della+ app

View on Amazon: DELLA Optima 23K BTU Soft Airflow

The DELLA CloudAir 23K BTU 230V unit delivers 23 SEER2 cooling efficiency and 9.5 HSPF2 heating. It covers up to 1500 sq.ft with a 230V connection. Soft Airflow technology reduces direct drafts. It operates at 34dB in Mute Mode. Smart control via Alexa or the Della+ app is included. The unit heats down to -13°F. It includes a 16.4ft installation kit.

Pros

  • 23 SEER2 efficiency rating for energy savings
  • Soft Airflow design prevents harsh direct drafts
  • Operates at whisper-quiet 34dB in Mute Mode
  • Heats effectively down to -13°F with Hyper Heat
  • Includes 16.4ft pre-flared copper line set

Cons

  • Requires 230V electrical connection, not standard 115V
  • Does not mention multi-zone or dual-zone capability
  • No specific dehumidification capacity listed in specs

Good fit if

  • You need a single-zone unit for spaces up to 1500 sq.ft
  • You have a 230V circuit available for installation
  • You want soft, indirect airflow to avoid direct drafts

Skip if

  • You require a 115V plug-in unit without hardwiring
  • You need to cool multiple separate rooms simultaneously
  • You live in an area with temperatures below -13°F

Verdict: DELLA CloudAir 23K BTU 230V is a solid choice for large rooms where 230V power is available. It offers high efficiency and quiet operation for year-round comfort. It suits users who value soft airflow and smart app control.

Also great

DELLA Umbra 12K BTU 20 SEER2

Best for: Single-room cooling with standard voltage

Cooling Capacity
12000 BTU
Efficiency Rating
20 SEER2
Voltage
110-120V
Coverage Area
Up to 550 Sq.Ft
Heat Pump
1 Ton Heat Pump
Smart Connectivity
Alexa

View on Amazon: DELLA Umbra 12K BTU 20 SEER2

The Della Umbra Series 12,000 BTU mini split offers cooling and heating for spaces up to 550 square feet. It features a 20 SEER2 efficiency rating and operates on standard 110-120V power. You get Alexa compatibility and a smart sensor in the remote for precise temperature control. The unit includes a full installation kit and runs quietly at 47 dBA. It is designed for single-zone residential applications.

Pros

  • 20 SEER2 energy efficiency rating for power savings
  • Works with Alexa for voice control
  • Smart sensor in remote adjusts temperature personally
  • Includes full installation kit with 13ft copper lines
  • Operates at 47 dBA for quiet performance

Cons

  • Lower efficiency than top picks reaching 25 SEER2
  • Requires professional installation and line-set vacuuming
  • Standard 13ft line length is shorter than 16ft options

Good fit if

  • You need a single-zone unit for a room under 550 sq ft
  • You prefer standard 110-120V electrical outlets
  • You want Alexa voice control integration

Skip if

  • You require dual-zone cooling for multiple rooms
  • You need a unit with 16ft included line sets
  • You are looking for the highest SEER2 rating available

Verdict: Della Umbra 12K BTU 20 SEER2 is a solid mid-range option for single-room cooling. It fits buyers who need standard voltage and smart features without paying for the highest efficiency tiers.

Best tri zone

Della 28K BTU 3-Zone Mini Split

Best for: cooling three separate rooms with one unit

Cooling Capacity
28,000 BTU/h
Efficiency Rating
20 SEER2
Voltage
208-230V
Coverage Area
Up to 1650 Sq.Ft
Number of Zones
3 Zone
Heat Pump
Heat Pump

View on Amazon: Della 28K BTU 3-Zone Mini Split

This unit pairs one 28,000 BTU outdoor compressor with three 12,000 BTU indoor handlers. It delivers 20 SEER2 efficiency on 208-230V power. You get separate temperature control for each room. The system includes 16ft line sets and works with Alexa. It covers up to 1,650 square feet. This setup suits homes needing individual climate zones without multiple outdoor units.

Pros

  • Three 12,000 BTU indoor units for separate room control
  • 20 SEER2 efficiency rating for energy savings
  • 28,000 BTU total cooling capacity
  • Smart control via Wi-Fi and Alexa
  • Includes 16ft copper line sets for each zone

Cons

  • Self-cleaning function does not operate despite being listed
  • Outdoor unit requires 208-230V hardwired connection
  • Heating performance drops in very cold conditions

Good fit if

  • You need independent temperature control in three separate rooms
  • You have a 208-230V electrical circuit available
  • You want to manage one outdoor unit for multiple spaces

Skip if

  • You only need to cool or heat a single room
  • You require a standard 115V plug-in connection
  • You need a self-cleaning feature that actually works

Verdict: DELLA 28K BTU Tri Zone Mini Split is the right choice for homeowners who want to manage three rooms from one outdoor unit. It offers solid efficiency and smart features for multi-room climate control.

Also great

Della 28K BTU Dual Zone Mini Split

Best for: Two-room homes with 230V power

Cooling Capacity
28000 BTU/h
Efficiency Rating
20 SEER2
Voltage
208-230V
Coverage Area
up to 1550 Sq. Ft
Number of Zones
2 Zone
Heat Pump
Heat pump

View on Amazon: Della 28K BTU Dual Zone Mini Split

This 28,000 BTU dual-zone mini split delivers 20 SEER2 efficiency on 208-230V power. It includes two indoor units rated at 12,000 and 18,000 BTU to cover up to 1,550 square feet. The system features a heat pump that operates down to -13°F and runs quietly at 32 dBA. It uses R454B refrigerant and includes two 16-foot installation kits for professional setup.

Pros

  • 20 SEER2 energy efficiency rating
  • Covers up to 1,550 square feet
  • Heat pump works down to -13°F
  • Quiet operation at 32 dBA
  • Includes two 16ft installation kits

Cons

  • Self-cleaning function is non-operational
  • Requires professional installation
  • Lacks smart app connectivity

Good fit if

  • You need to cool two separate rooms
  • You have a 208-230V electrical circuit
  • You want high efficiency in cold climates

Skip if

  • You prefer a single-zone setup
  • You need a 115V standard outlet
  • You want a self-cleaning feature

Verdict: DELLA 28K BTU Dual Zone Mini Split offers strong cooling power and efficiency for multi-room homes. It fits buyers who need independent climate control for two spaces and have the necessary 208-230V wiring installed.

Also great

Della 11k BTU Ducted Mini Split

Best for: concealed ceiling installations in small rooms

Cooling Capacity
11,000 BTU
Efficiency Rating
19 SEER2
Voltage
208-230V
Coverage Area
Up to 450 sq ft
Heat Pump
Heat pump
Smart Connectivity
Wi-Fi, Alexa, DELLA App

View on Amazon: Della 11k BTU Ducted Mini Split

This concealed ducted unit delivers 11,000 BTU of cooling and heating with 19 SEER2 efficiency. It operates on 230V power and covers up to 450 square feet. The indoor unit hides in ceilings or attics, maintaining a clean look while running as low as 32 dB. It includes a built-in condensate pump and supports Wi-Fi and Alexa control. Professional installation is required for this pre-charged system.

Pros

  • 19 SEER2 efficiency rating for energy savings
  • Concealed design hides unit in ceilings or attics
  • Built-in condensate pump simplifies drainage
  • Quiet operation at 32 dB
  • Smart control via Wi-Fi and Alexa

Cons

  • Requires professional installation; not a DIY system
  • Limited to 450 square feet coverage area
  • Only available in a single 11,000 BTU capacity for this model

Good fit if

  • You want a hidden indoor unit for a clean aesthetic
  • You have a 230V electrical circuit available
  • You need quiet operation for a bedroom or office

Skip if

  • You prefer a DIY-friendly wall-mounted installation
  • You need to cool a space larger than 450 square feet
  • You require a standard 115V plug-in connection

Verdict: Della 11k BTU Ducted Mini Split is a practical choice for homeowners who prioritize a seamless ceiling installation and quiet performance in smaller rooms up to 450 square feet.

Also great

DELLA 27,000 BTU 2-Zone Ceiling Cassette

Best for: Commercial spaces needing concealed ceiling cooling

Cooling Capacity
27,000 BTU/h
Efficiency Rating
24 SEER2
Voltage
208-230 V
Coverage Area
up to 2000 sq. ft.
Number of Zones
2 Zone
Heat Pump
Heat pump

View on Amazon: DELLA 27,000 BTU 2-Zone Ceiling Cassette

This ceiling cassette mini split delivers 27,000 BTU across two 18,000 BTU zones. It features a 24 SEER2 efficiency rating and operates on 208-230 V power. The indoor units provide 360-degree airflow and fit into suspended ceilings. It includes a refrigerant leak sensor and runs quietly at 37 dB. This system is designed for commercial spaces or large residential areas requiring independent zone control.

Pros

  • 24 SEER2 efficiency rating for strong performance
  • 27,000 BTU total cooling capacity across two zones
  • 360-degree surround airflow for even distribution
  • Operates down to -13°F with heat pump
  • Includes refrigerant leak sensor for safety

Cons

  • Requires professional installation and cannot be DIY
  • Indoor units are ceiling-mounted, not wall-mounted
  • Mandates 208-230 V electrical connection

Good fit if

  • You need independent temperature control for two separate rooms
  • You have a suspended ceiling suitable for cassette units
  • You require a commercial-grade unit for offices or shops

Skip if

  • You are looking for a standard wall-mounted indoor unit
  • You only have standard 115 V household outlets
  • You want to handle the installation yourself

Verdict: DELLA 27K BTU 2-Zone Ceiling Cassette is a high-efficiency commercial solution for spaces needing concealed, multi-zone cooling. It fits best in offices or shops where professional installation and ceiling mounting are already planned.

Best 25 seer2

Della 18K BTU Dual Zone Mini Split

Best for: two small rooms needing independent cooling

Cooling Capacity
18,000 BTU/h
Efficiency Rating
25 SEER2
Coverage Area
Up to 800 Sq.Ft
Number of Zones
2 Zone
Heat Pump
Heat Pump
Smart Connectivity
Wi-Fi, Smartphone App

View on Amazon: Della 18K BTU Dual Zone Mini Split

This 2-zone mini split pairs a single outdoor unit with two 9,000 BTU indoor units. It delivers 18,000 BTU total cooling with a 25 SEER2 efficiency rating. The system includes Wi-Fi app control and operates as quietly as 28 dB. It covers up to 800 square feet and heats reliably down to -13°F. You get independent temperature control for each room using separate remotes.

Pros

  • 25 SEER2 efficiency rating for significant power savings
  • Dual-zone design with two 9,000 BTU indoor units
  • Quiet operation at 28 dB for undisturbed sleep
  • Wi-Fi connectivity for remote smartphone control

Cons

  • Self-cleaning function is listed but does not operate
  • Indoor units have lower 9,000 BTU capacity per zone
  • Requires professional installation for proper vacuuming and refrigerant balance

Good fit if

  • You need independent climate control for two small rooms
  • You prioritize high energy efficiency with 25 SEER2
  • You want quiet operation for bedrooms or offices

Skip if

  • You need a single unit for a large open area
  • You require a self-cleaning function that actually works
  • You prefer DIY installation without professional help

Verdict: DELLA 18K BTU 2-Zone 25 SEER2 is a high-efficiency dual-zone system ideal for cooling two separate small rooms independently. It suits buyers who value quiet operation and smart app control over raw per-unit cooling power.

Also great

Della 20K BTU Dual Zone Mini Split

Best for: Two rooms with different cooling needs

Cooling Capacity
20000 BTU/h
Efficiency Rating
19 SEER2
Voltage
208-230V
Coverage Area
Up to 1400 Sq. Ft
Number of Zones
2 Zone
Heat Pump
Heat Pump

View on Amazon: Della 20K BTU Dual Zone Mini Split

This dual-zone system pairs a 9,000 BTU and an 18,000 BTU indoor unit with a 20,000 BTU outdoor condenser. It offers 19 SEER2 efficiency and uses R454B refrigerant. The setup covers up to 1,400 square feet and includes two 16ft installation kits. You get independent control for each room, making it suitable for homes needing flexible cooling and heating across different spaces.

Pros

  • Dual-zone configuration with 9K and 18K BTU indoor units
  • 19 SEER2 energy efficiency rating
  • Includes two 16ft line sets and installation kits
  • Operates in temperatures down to -13°F
  • Uses environmentally friendly R454B refrigerant

Cons

  • Self-cleaning function is listed but does not perform the operation
  • Indoor unit noise level reaches 49 dBa
  • Requires professional installation and line-set vacuuming

Good fit if

  • You need to cool two rooms with different size requirements
  • You want a system that includes the necessary line sets
  • You require heating capability in cold weather down to -13°F

Skip if

  • You prefer a single-zone unit for one room
  • You want a self-cleaning function that actually works
  • You need a quieter indoor unit below 49 dBa

Verdict: Della 20K BTU Dual Zone Mini Split is a practical solution for homeowners who need to condition two distinct spaces with varying cooling demands. It fits buyers who value included installation hardware and reliable heat pump performance in moderate climates.

Also great

DELLA 18K BTU Ceiling Cassette 20.5 SEER2

Best for: single large rooms needing 230V power

Cooling Capacity
18,000 BTU/h
Efficiency Rating
20.5 SEER2
Voltage
208-230 V
Coverage Area
up to 1000 sq ft
Heat Pump
Heat Pump
Smart Connectivity
DELLA App, Alexa, voice assistants

View on Amazon: DELLA 18K BTU Ceiling Cassette 20.5 SEER2

This ceiling cassette unit delivers 18,000 BTU of cooling and heating for spaces up to 1,000 square feet. It operates on 208-230 V with a 20.5 SEER2 efficiency rating. The indoor unit features 360-degree airflow and runs quietly at 37 dB. It includes smart controls via the DELLA App and Alexa. The system functions in temperatures as low as -13°F.

Pros

  • 20.5 SEER2 energy efficiency rating
  • 360-degree surround airflow design
  • Operates in cold down to -13°F
  • Quiet operation at 37 dB(A)

Cons

  • Requires 208-230 V electrical circuit
  • Ceiling cassette format limits placement options
  • No dual-zone capability for separate rooms

Good fit if

  • You need even air distribution in a single large room
  • You require heating performance in cold climates
  • You want smart control via Alexa or the app

Skip if

  • You only have standard 115 V outlets
  • You need to cool multiple rooms independently
  • You prefer a wall-mounted indoor unit

Verdict: DELLA 18K BTU Ceiling Cassette 20.5 SEER2 fits users who need powerful, even cooling and heating in a single open space with a 230 V supply. It is not suitable for multi-room setups or standard 115 V circuits.

Specifications side by side

Spec DELLA Vario 12K BTU 23 SEER2 DELLA Serena 12000 BTU 230V Mini Split DELLA Econo 17,000 BTU Mini Split DELLA Motto 18k BTU 19 SEER2 DELLA 18K BTU Dual Zone Mini Split DELLA Vita 12K BTU 115V Mini Split DELLA Optima 23K BTU Soft Airflow DELLA Umbra 12K BTU 20 SEER2 Della 28K BTU 3-Zone Mini Split Della 28K BTU Dual Zone Mini Split Della 11k BTU Ducted Mini Split DELLA 27,000 BTU 2-Zone Ceiling Cassette Della 18K BTU Dual Zone Mini Split Della 20K BTU Dual Zone Mini Split DELLA 18K BTU Ceiling Cassette 20.5 SEER2
Cooling Capacity 12,000 BTU 12000 BTU/h (1 ton) 17,000 BTU 18000 BTU/h 18,000 BTU (1.5 Ton) 12,000 BTU (1 Ton) 23000 BTU 12000 BTU 28,000 BTU/h 28000 BTU/h 11,000 BTU 27,000 BTU/h 18,000 BTU/h 20000 BTU/h 18,000 BTU/h
Efficiency Rating 23 SEER2 22 SEER2 17 SEER2 19 SEER2 22 SEER2 20 SEER2 23 SEER2 20 SEER2 20 SEER2 20 SEER2 19 SEER2 24 SEER2 25 SEER2 19 SEER2 20.5 SEER2
Voltage 208-230V 208V-230V 208-230V 208V~230V 230V 115V 230V 110-120V 208-230V 208-230V 208-230V 208-230 V not specified 208-230V 208-230 V
Coverage Area Up to 550 sq ft up to 550 Sq.Ft Up to 1000 sq ft up to 1000 sq. ft. Up to 850 sq ft Up to 550 sq ft up to 1500 sq.ft Up to 550 Sq.Ft Up to 1650 Sq.Ft up to 1550 Sq. Ft Up to 450 sq ft up to 2000 sq. ft. Up to 800 Sq.Ft Up to 1400 Sq. Ft up to 1000 sq ft
Number of Zones not specified not specified not specified not specified 2 Zone not specified not specified not specified 3 Zone 2 Zone not specified 2 Zone 2 Zone 2 Zone not specified
Heat Pump Heat Pump heat pump Heat Pump Heat pump Heat Pump Heat Pump 1.92 Ton Heat Pump 1 Ton Heat Pump Heat Pump Heat pump Heat pump Heat pump Heat Pump Heat Pump Heat Pump
Smart Connectivity Alexa Alexa, Google Home, DELLA app WIFI Wi-Fi, Alexa, App control Wifi, Alexa Wi-Fi, Alexa, Google Home Wi-Fi, Alexa, Google Assistant, App Alexa or the Della+ app Alexa Alexa and Wifi not specified Wi-Fi, Alexa, DELLA App not specified Wi-Fi, Smartphone App not specified DELLA App, Alexa, voice assistants
Smart Control Alexa Alexa Wi-Fi, Alexa Wi-Fi, Alexa not specified Wi-Fi, Alexa Wi-Fi, Alexa Alexa Wi-Fi, Alexa not specified Wi-Fi, Alexa not specified not specified not specified Alexa
Dimensions 8.07 × 31.9 × 11.5 inches 7.87 × 30.2 × 11.8 inches 8.11 × 35.8 × 11.6 inches 8.82 × 37 × 12.4 inches 7.87 × 30.2 × 11.8 inches 7.48 × 31.9 × 12 inches 8.75 × 43.2 × 13.1 inches 31.2 × 7.91 × 11.5 inches 8.07 × 31.9 × 11.5 inches 8.07 × 31.9 × 11.5 inches 19.3 × 27.5 × 7.87 inches 22.5 × 22.5 × 9.63 inches 7.48 × 31.9 × 12.1 inches 8 × 31.9 × 11.5 inches 22.5 × 22.5 × 9.63 inches
Weight 61 pounds 16.5 pounds 86 pounds not specified 16.5 pounds 18.7 pounds 30.9 pounds not specified not specified not specified 33.1 pounds 32 pounds 18.7 pounds 19.8 pounds 32 pounds
Size 12,000 BTU - 230V / 23 SEER2 12,000 BTU 230V - 22 SEER2 17,000 BTU 230V - 17 SEER2 18,000 BTU - 230V - 19 SEER2 2 Zone - 18000 BTU 7+12 12,000 BTU - 115V / 20 SEER2 CloudAir - 23,000 BTU - 230V - 23 SEER2 12,000 BTU - 115V - 20 SEER2 3 Zone 28000 BTU 12+12+12 2 Zone 28000 BTU 12+18 11,000 BTU - 230V / 19 SEER2 Dual Zone(2) 27000 BTU 18+18 2 Zone 18000 BTU 9+9 2 Zone 20000 BTU 9+18 18,000 BTU - 230V - 20.5 SEER2
Color White White White White White with Line set White White Black White with Line set White with Line set White White with Line set White with Line set White with Line set White
Model TL-12K2VB-23S-I+O 12K2VR-22S-M-I+O IF-17K2VR-17S-I+O 18K2VRH-19S-JA-I+O 18KM+D712 TC-12K1VR-20S-I+O TPX-23K2V-23S-I+O 12K1VR-20S-JPB-I+O_1 1D3-TL+T121212 1D3-TL+D1218 DC-12K2V-18S-I+O 1D3-CC+D1818 1D2-TC+D99 1D2-TL+D918 048-CC-18K2V-20S-I+O

Della Mini Split Models Overview

Della’s lineup splits into single-zone wall units and multi-zone systems. The Vario and Serena models offer 230V power with high SEER2 ratings for small rooms up to 550 square feet. These are ideal for bedrooms needing quiet, efficient cooling. The Vita and Umbra provide 115V options for standard outlets, fitting smaller spaces with smart Alexa control.

For larger areas, the Econo and Optima deliver 17,000 to 23,000 BTU with 230V connections. Dual and tri-zone systems like the Motto and 28K BTU models handle multiple rooms independently. Ceiling cassettes and ducted units serve commercial or concealed installations. You should match voltage and zone count to your home’s electrical setup and room layout.

Who should choose Della

Della suits homeowners needing precise, spec-driven climate control across varied spaces. The range spans 11,000 to 28,000 BTU, covering small bedrooms to large open areas. You can choose from standard wall mounts, concealed ducted units, or ceiling cassettes for commercial looks. Smart features like Alexa and Wi-Fi are standard, while voltage options include both 115V and 230V. However, the list lacks inverter technology mentions and does not offer heat pump models with higher heating capacities than cooling. There are no multi-zone setups beyond three zones.

How to Choose the Right One

  1. Check Your Voltage Supply

    Verify your electrical panel supports the required voltage before buying. Models like the Vario and Serena require 230V power, which needs dedicated wiring. If you only have standard outlets, choose the Vita or Umbra, which run on 115V. Using the wrong voltage can damage the unit or void warranties. Match the spec to your home’s existing infrastructure to avoid costly electrical upgrades.

  2. Match BTU to Room Size

    Select the cooling capacity based on your square footage. Small rooms under 550 square feet work well with 12,000 BTU units like the Serena. Larger spaces up to 1,000 square feet need 17,000 or 18,000 BTU, such as the Econo or Motto. Oversized units cycle too often, while undersized ones struggle to cool. Check the coverage area spec to ensure proper performance.

  3. Compare Efficiency Ratings

    Higher SEER2 ratings mean lower energy bills over time. The Motto offers 19 SEER2 for mid-capacity needs, while the Vario hits 23 SEER2 for maximum efficiency. If you run the unit frequently, prioritize higher numbers. The Serena provides 22 SEER2 for budget-conscious buyers. Compare these ratings to estimate long-term operating costs relative to your local electricity rates.

  4. Decide on Zone Count

    Determine if you need to cool one room or multiple spaces. Single-zone units like the Vita handle one area. Dual-zone systems, such as the 18K BTU model with 9+9 split, manage two rooms independently. Tri-zone options like the 28K BTU unit cover three spaces. Choose based on how many distinct areas require climate control from a single outdoor condenser.

  5. Select Mounting Style

    Choose the indoor unit type that fits your aesthetic. Wall-mounted models are standard and easy to install. Ducted units like the 11K BTU version hide inside ceilings for a clean look. Ceiling cassettes, such as the 27K BTU model, drop from the ceiling for commercial spaces. Check the dimensions in the specs to ensure the unit fits your intended location.

  6. Verify Smart Features

    Check if the unit supports your preferred smart home ecosystem. Many Della models, like the Econo and Vita, work with Wi-Fi and Alexa. This allows remote control via app or voice commands. Some models, like the Serena, focus on Alexa integration. Ensure the smart control spec matches your existing devices for seamless operation and remote monitoring of your home climate.

Frequently asked questions

What is the most efficient Della mini split available?

The Della 18K BTU 2-Zone system holds the highest efficiency rating at 25 SEER2. This dual-zone model splits capacity into two 9,000 BTU indoor units. It suits buyers who prioritize energy savings and smart app control over raw cooling power for small rooms.

Which Della mini split works with standard 115V outlets?

The Della Vita 12K BTU and Della Umbra 12K BTU both operate on 115V power. These models fit single rooms up to 550 square feet. They are practical choices for spaces where you only have access to standard electrical outlets rather than dedicated 230V wiring.

Can I control Della mini splits using Alexa?

Yes, most Della models support Alexa smart control. The Vario, Serena, Econo, Motto, Vita, Optima, Umbra, Tri Zone, Ducted, and Ceiling Cassette units all include this feature. You can integrate these systems into your existing smart home setup for voice-activated temperature adjustments.

What is the largest capacity Della mini split offered?

The largest single-zone capacity is the Della Optima at 23,000 BTU. For multi-zone setups, the Della 28K BTU Tri Zone and Dual Zone models provide the highest total output. These units cover larger spaces or multiple rooms, with the Tri Zone handling three separate areas.

Are there Della mini splits designed for ceiling installation?

Yes, Della offers ducted and ceiling cassette options. The 11K BTU Ducted Mini Split is designed for concealed ceiling installations in small rooms. The 27K BTU 2-Zone Ceiling Cassette and 18K BTU Ceiling Cassette provide commercial-style, hidden cooling for larger or open-plan spaces.

How many zones can a single Della outdoor unit manage?

Della systems support single, dual, or tri-zone configurations. The Tri Zone model manages three separate rooms from one outdoor unit. Dual Zone options like the 18K BTU and 20K BTU models control two distinct spaces independently. Single-zone units serve one room only.

Which Della mini split is best for cold-climate heating?

The Della Motto 18K BTU is highlighted for reliable heating in cold weather. It provides 18,000 BTU of heat for medium rooms up to 1,000 square feet. This 230V unit suits buyers who value quiet operation and consistent performance during colder months.

What is the coverage area for the Della Vario 12K BTU?

The Della Vario 12K BTU covers up to 550 square feet. It operates at 23 SEER2 efficiency on 230V power. This model is ideal for small rooms like bedrooms or home offices where precise comfort control and quiet operation are key priorities.

See also