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15 Best Della 230V Mini Splits, Compared

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Finding the best della 230V mini splits requires comparing specific performance metrics. We analyzed 15 models to help you choose. The DELLA Motto 18k BTU 19 SEER2 leads because its 19 SEER2 rating balances efficiency with quiet operation for rooms under 1,000 square feet. All picks rely strictly on published specifications, not personal testing. This guide helps you decide which unit fits your space and voltage requirements.

Quick picks

#ProductBest forPrice
1 DELLA Motto 18k BTU 19 SEER2 Best overall single medium rooms under 1,000 sq. ft. Check price of DELLA Motto 18k BTU 19 SEER2 on Amazon
2 DELLA Vario 12K BTU 23 SEER2 Also great small rooms needing high efficiency Check price of DELLA Vario 12K BTU 23 SEER2 on Amazon
3 DELLA Vita 12000 BTU 20 SEER2 Also great Small rooms under 550 sq. ft. needing quiet cooling Check price of DELLA Vita 12000 BTU 20 SEER2 on Amazon
4 DELLA Serena 12000 BTU 230V Mini Split Best budget small rooms needing smart 230V cooling Check price of DELLA Serena 12000 BTU 230V Mini Split on Amazon
5 DELLA Econo 17,000 BTU Mini Split Also great medium rooms needing smart 230V cooling Check price of DELLA Econo 17,000 BTU Mini Split on Amazon
6 DELLA Optima 23K BTU Soft Airflow Medium rooms needing quiet, draft-free cooling Check price of DELLA Optima 23K BTU Soft Airflow on Amazon
7 DELLA Umbra 9100 BTU 230V Mini Split small rooms needing quiet, smart cooling Check price of DELLA Umbra 9100 BTU 230V Mini Split on Amazon
8 Della 28K BTU 3-Zone Mini Split Best premium cooling three separate rooms with one outdoor unit Check price of Della 28K BTU 3-Zone Mini Split on Amazon
9 DELLA 18K BTU Ceiling Cassette 20.5 SEER2 Flush-mount ceiling installations Check price of DELLA 18K BTU Ceiling Cassette 20.5 SEER2 on Amazon
10 DELLA CloudAir 12k BTU 25 SEER2 Best 25 seer2 small rooms needing high efficiency and quiet cooling Check price of DELLA CloudAir 12k BTU 25 SEER2 on Amazon
11 Della 11k BTU Ducted Mini Split small spaces needing concealed installation Check price of Della 11k BTU Ducted Mini Split on Amazon
12 DELLA 18K BTU Floor Ceiling Mini Split flexible floor or ceiling mounting Check price of DELLA 18K BTU Floor Ceiling Mini Split on Amazon
13 Della 18K 24 SEER2 Dual Zone 208-230V Two-room homes needing independent climate control Check price of Della 18K 24 SEER2 Dual Zone 208-230V on Amazon
14 DELLA 27K BTU 2-Zone 24 SEER2 two-room cooling with smart controls Check price of DELLA 27K BTU 2-Zone 24 SEER2 on Amazon
15 DELLA 27K BTU 3-Zone 24 SEER2 Cooling three separate rooms efficiently Check price of DELLA 27K BTU 3-Zone 24 SEER2 on Amazon

The best fit for you

  • You need the best overall unit for medium rooms DELLA Motto 18k BTU 19 SEER2 Its 19 SEER2 efficiency and 1,000 square foot coverage balance quiet operation and smart connectivity.
  • You want the most compact model on the list DELLA Econo 17,000 BTU Mini Split The Econo model weighs 86 pounds, making it the heaviest and likely largest unit by volume.
  • You require the highest efficiency rating available DELLA CloudAir 12k BTU 25 SEER2 The CloudAir 12K offers a 25 SEER2 rating, the highest efficiency score in this group.
  • You need to cool three separate rooms with one unit Della 28K BTU 3-Zone Mini Split This tri-zone system manages heat and cooling across three distinct spaces with individual comfort control.
  • You want quiet, draft-free cooling for small rooms DELLA CloudAir 12k BTU 25 SEER2 The CloudAir 12K provides draft-free airflow and high efficiency for small spaces under 550 square feet.

Our 15 picks

Best overall

DELLA Motto 18k BTU 19 SEER2

Best for: single medium rooms under 1,000 sq. ft.

Voltage
230V (what this guide is about)
Cooling Capacity
18,000 BTU
Efficiency Rating
19 SEER2
Coverage Area
Up to 1000 sq ft
Heat Pump
Heat Pump
Smart Connectivity
Alexa, Wi-Fi

View on Amazon: DELLA Motto 18k BTU 19 SEER2 Affiliate link

The Della Motto Series 18,000 BTU mini split is a 230V heat pump with 19 SEER2 efficiency. It cools spaces up to 1,000 square feet using R-32 refrigerant. You get Wi-Fi and Alexa control, plus a smart sensor that reads temperature from the remote. It operates at 29 dBA and includes a 16-foot copper line set. This unit suits medium rooms where quiet operation and smart features matter.

Pros

  • 19 SEER2 efficiency rating for energy savings
  • Works with Alexa and Wi-Fi for remote control
  • Ultra-quiet 29 dBA operation level
  • Smart sensor adjusts airflow based on remote location
  • Includes 16-foot full copper line set

Cons

  • Lower 19 SEER2 efficiency compared to 20.5 or 25 SEER2 models on this list
  • Smaller 1,000 sq. ft. coverage limit than larger 18K-24K units
  • Does not mention 4D airflow capability in key specs

Good fit if

  • You need a 230V unit for a room up to 1,000 square feet
  • You want smart control via Alexa and Wi-Fi
  • You prioritize quiet 29 dBA operation

Skip if

  • You require higher 20.5 or 25 SEER2 efficiency ratings
  • You need to cool more than 1,000 square feet
  • You want a multi-zone system for multiple rooms

Verdict: Della Motto 18K BTU 19 SEER2 is a solid mid-range option for single rooms up to 1,000 square feet that value quiet operation and smart connectivity over maximum efficiency.

Also great

DELLA Vario 12K BTU 23 SEER2

Best for: small rooms needing high efficiency

Voltage
230V (what this guide is about)
Cooling Capacity
12,000 BTU
Efficiency Rating
23 SEER2
Coverage Area
Up to 550 sq ft
Heat Pump
Heat Pump
Smart Connectivity
Alexa, Wi-Fi

View on Amazon: DELLA Vario 12K BTU 23 SEER2 Affiliate link

This 12,000 BTU mini split delivers 23 SEER2 efficiency on 230V power. It covers up to 550 square feet and includes a heat pump that operates down to -4°F. The unit features Alexa compatibility and a smart sensor that reads temperature at the remote. It runs quietly at 28 dBA and includes a 16.4 ft installation kit. Professional installation is required.

Pros

  • 23 SEER2 energy efficiency rating
  • Smart sensor reads temperature from the remote control
  • Quiet operation at 28 dBA
  • Heat pump works in temperatures down to -4°F
  • Compatible with Alexa for voice control

Cons

  • Limited to 550 square feet coverage area
  • Does not support Wi-Fi or app control
  • Requires professional installation and line-set vacuuming

Good fit if

  • You need a 230V unit for a room under 550 square feet
  • You want high efficiency with a 23 SEER2 rating
  • You prefer temperature control based on the remote's location

Skip if

  • You need cooling for spaces larger than 550 square feet
  • You require smartphone app control or Wi-Fi connectivity
  • You are looking for a DIY installation without professional help

Verdict: DELLA Vario 12000 BTU 23 SEER2 Mini Split is a practical option for small rooms where remote-based temperature sensing and high efficiency matter most.

Also great

DELLA Vita 12000 BTU 20 SEER2

Best for: Small rooms under 550 sq. ft. needing quiet cooling

Voltage
230V (what this guide is about)
Cooling Capacity
12,000 BTU
Efficiency Rating
20 SEER2
Coverage Area
550 sq ft
Heat Pump
Heat Pump
Smart Connectivity
Wi-Fi, Alexa, Google Assistant, App

View on Amazon: DELLA Vita 12000 BTU 20 SEER2 Affiliate link

The Della Vita Series is a 12,000 BTU heat pump designed for 230V circuits. It offers 20 SEER2 efficiency and covers up to 550 square feet. You get smart control via the Della app, Alexa, and Google Assistant. The unit includes an “I Feel” sensor for precise temperature reading at the remote. It operates quietly at 28 dB, making it suitable for bedrooms or home offices where noise matters.

Pros

  • 20 SEER2 efficiency rating for energy savings
  • Ultra-quiet operation at 28 dB
  • Smart control via app, Alexa, and Google Assistant
  • "I Feel" sensor reads temperature at the remote

Cons

  • 12,000 BTU capacity is lower than many competitors on this list
  • 20 SEER2 is below the 22-25 SEER2 range of other Della models
  • Requires professional installation for proper refrigerant balance

Good fit if

  • You need a 230V unit for a room up to 550 sq. ft.
  • You prioritize quiet operation for a bedroom or office
  • You want smart control via Alexa or Google Assistant

Skip if

  • You require higher cooling capacity than 12,000 BTU
  • You want the highest possible efficiency (22+ SEER2)
  • You are installing in a space larger than 550 sq. ft.

Verdict: DELLA Vita 12000 BTU 20 SEER2 230V is a solid choice for smaller rooms where quiet operation and smart features matter more than maximum efficiency or capacity.

Best budget

DELLA Serena 12000 BTU 230V Mini Split

Best for: small rooms needing smart 230V cooling

Voltage
230V (what this guide is about)
Cooling Capacity
12,000 BTU (1 Ton)
Efficiency Rating
22 SEER2
Coverage Area
Up to 550 sq ft
Heat Pump
Heat Pump
Smart Connectivity
Wi-Fi, Alexa, Google Home, DELLA app

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

The DELLA Serena is a 12,000 BTU heat pump designed for 230V circuits. It offers a 22 SEER2 efficiency rating and covers up to 550 square feet. This unit includes smart connectivity for Alexa and Google Home, plus a dedicated app. It operates quietly at 22 dBa in mute mode and features 4D airflow. The system is Energy Star certified and includes a 16.4ft installation kit with R32 refrigerant.

Pros

  • 22 SEER2 efficiency rating for energy savings
  • Smart control via Alexa, Google Home, and app
  • Ultra-quiet 22 dBa operation in mute mode
  • 4D airflow for precise direction control

Cons

  • 12,000 BTU capacity limits use to smaller rooms
  • Maximum coverage area is only 550 square feet
  • Requires professional installation and line-set vacuuming

Good fit if

  • You need a 230V unit for a room under 550 square feet
  • You want smart home integration with Alexa or Google Home
  • You prioritize quiet operation with 22 dBa mute mode

Skip if

  • You require cooling for spaces larger than 550 square feet
  • You are looking for a 115V plug-in unit instead of hardwired
  • You need a multi-zone system for multiple rooms

Verdict: DELLA Serena 12000 BTU 230V Mini Split fits single rooms up to 550 square feet that need quiet, smart climate control. It suits buyers who want 22 SEER2 efficiency and voice assistant compatibility.

Also great

DELLA Econo 17,000 BTU Mini Split

Best for: medium rooms needing smart 230V cooling

Voltage
230V (what this guide is about)
Cooling Capacity
17,000 BTU
Efficiency Rating
17 SEER2
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 Affiliate link

The Della Econo Series 17000 BTU mini split is a 230V heat pump designed for spaces up to 1000 square feet. It delivers 17 SEER2 efficiency and operates quietly at 32 dBA. You get smart control via the app and Alexa, plus a 4D airflow system that adjusts direction automatically. This unit includes a full installation kit and is ETL listed and AHRI certified for verified performance.

Pros

  • 17,000 BTU cooling capacity for medium rooms
  • 17 SEER2 energy efficiency rating
  • Quiet operation at 32 dBA
  • Smart control with Wi-Fi and Alexa
  • 4D airflow adjusts up, down, left, and right

Cons

  • 17 SEER2 is lower than many competitors reaching 24-25 SEER2
  • 17,000 BTU capacity is smaller than the 23,000-28,000 BTU options on this list
  • Requires professional installation and line-set vacuuming

Good fit if

  • You need a 230V unit for a room up to 1000 square feet
  • You want smart features like Alexa and app control
  • You prioritize quiet operation at 32 dBA

Skip if

  • You need higher efficiency than 17 SEER2
  • You require cooling capacity above 17,000 BTU
  • You are looking for a DIY installation option

Verdict: Della Econo 17000 BTU 17 SEER2 suits buyers who need a verified, quiet, smart-enabled 230V unit for medium-sized spaces and do not require the highest efficiency ratings available.

DELLA Optima 23K BTU Soft Airflow

Best for: Medium rooms needing quiet, draft-free cooling

Voltage
230V (what this guide is about)
Cooling Capacity
23,000 BTU
Efficiency Rating
23 SEER2
Coverage Area
Up to 1500 sq.ft
Heat Pump
Heat Pump
Smart Connectivity
WiFi, Alexa, Della+ app

View on Amazon: DELLA Optima 23K BTU Soft Airflow Affiliate link

The Della Optima Series 23000 BTU mini split delivers 23 SEER2 cooling efficiency and 9.5 HSPF2 heating performance. It covers up to 1500 square feet and operates quietly at 34dB in Mute Mode. The unit features soft airflow technology to prevent direct drafts and includes smart control via Alexa or the Della+ app. It also offers heating capability down to -13°F, making it suitable for year-round use in moderate to cold climates.

Pros

  • 23 SEER2 energy efficiency rating for cost-effective operation
  • Soft airflow design prevents harsh direct drafts
  • Operates at 34dB in Mute Mode for quiet performance
  • Heating capability down to -13°F with Gold Fin technology
  • Smart control via Alexa or Della+ app with I Feel sensor

Cons

  • Lower SEER2 rating compared to other Della 230V models on this list
  • Heating limit of -13°F is less robust than ultra-heat models
  • Requires vacuuming and a 25A fuse despite being pre-charged

Good fit if

  • You need a 230V unit for spaces up to 1500 square feet
  • You prioritize soft, indirect airflow to avoid direct drafts
  • You want smart control via Alexa or a dedicated app

Skip if

  • You require heating performance in temperatures below -13°F
  • You need the highest possible SEER2 efficiency available
  • You are looking for a concealed ducted or cassette installation

Verdict: DELLA Optima 23K BTU 23 SEER2 is a solid choice for homeowners seeking quiet, draft-free cooling and basic smart features in a 230V system. It fits well in medium-sized rooms where extreme cold-weather heating is not a primary requirement.

DELLA Umbra 9100 BTU 230V Mini Split

Best for: small rooms needing quiet, smart cooling

Voltage
230V (what this guide is about)
Cooling Capacity
9,100 BTU (0.75 Ton)
Efficiency Rating
19 SEER2
Coverage Area
Up to 400 sq ft
Heat Pump
Heat Pump
Smart Connectivity
Wi-Fi, Alexa

View on Amazon: DELLA Umbra 9100 BTU 230V Mini Split Affiliate link

The Della Umbra is a 9,100 BTU mini split designed for small spaces up to 400 square feet. It runs on 230V power and achieves a 19 SEER2 efficiency rating. The unit includes Wi-Fi and Alexa compatibility for smart control. You get a 16.4-foot installation kit and ultra-quiet operation at 25 dBA. This compact system suits bedrooms or offices where precise cooling is needed without excessive energy use.

Pros

  • 19 SEER2 efficiency rating for energy savings
  • Wi-Fi and Alexa smart control support
  • Ultra-quiet operation at 25 dBA
  • Includes 16.4-foot copper line set kit
  • Smart sensor adjusts airflow based on remote location

Cons

  • Lower 9,100 BTU capacity limits coverage to 400 sq. ft.
  • Black indoor unit color may not match all decor
  • Heating function limited to 5°F outdoor temperature

Good fit if

  • You need a 230V unit for a small room under 400 sq. ft.
  • You want smart home integration with Alexa or Wi-Fi
  • You prioritize quiet operation for a bedroom or office

Skip if

  • You require heating performance below 5°F outdoor temperature
  • You need to cool a space larger than 400 square feet
  • You prefer a standard white indoor unit for your walls

Verdict: DELLA Umbra 9100 BTU 230V Mini Split is a quiet, efficient choice for small rooms under 400 square feet that need smart control features.

Best premium

Della 28K BTU 3-Zone Mini Split

Best for: cooling three separate rooms with one outdoor unit

Voltage
230V (what this guide is about)
Cooling Capacity
28,000 BTU/h
Efficiency Rating
20 SEER2
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 Affiliate link

This Della unit pairs a 28,000 BTU outdoor condenser with three 12,000 BTU indoor handlers. It operates on 208-230V power and carries a 20 SEER2 efficiency rating. The system covers up to 1,650 square feet and includes Wi-Fi and Alexa connectivity. You get individual temperature control for each room. It also features a heat pump that functions in temperatures down to -13℉. This setup is designed for multi-room climate management.

Pros

  • 20 SEER2 energy efficiency rating
  • Three separate 12,000 BTU indoor units
  • Works with Alexa and Wi-Fi
  • Heat pump operation down to -13℉
  • Covers up to 1,650 square feet

Cons

  • Self-cleaning function does not operate despite display option
  • Requires professional installation and line-set vacuuming
  • Performance may slow if all zones run at full capacity

Good fit if

  • You need to control temperatures in three separate rooms
  • You have a 208-230V electrical supply
  • You want individual zone control with smart features

Skip if

  • You prefer a single-room cooling solution
  • You need a self-cleaning function that actually works
  • You want to install the unit yourself without professional help

Verdict: Della 28K BTU Tri-Zone 20 SEER2 Mini Split is a practical choice for homeowners who need to manage heat and cooling across three distinct spaces. It delivers individual comfort control and smart connectivity for multi-zone environments.

DELLA 18K BTU Ceiling Cassette 20.5 SEER2

Best for: Flush-mount ceiling installations

Voltage
230V (what this guide is about)
Cooling Capacity
16,000 BTU
Efficiency Rating
20.5 SEER2
Coverage Area
1000 Sq. Ft
Heat Pump
Heat Pump
Smart Connectivity
Alexa, App control

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

This 18,000 BTU ceiling cassette unit offers 20.5 SEER2 efficiency and 230V power. It cools up to 1,000 sq ft and heats down to -13°F. The 360° airflow design fits flush into ceilings. Smart features include app control and Alexa compatibility. It runs quietly at 37 dB(A). This model suits spaces where wall-mounted units are not preferred.

Pros

  • 20.5 SEER2 energy efficiency rating
  • 360° surround airflow distribution
  • Heats reliably down to -13°F
  • Quiet operation at 37 dB(A)

Cons

  • Ceiling cassette format requires suspended ceiling installation
  • Smaller capacity than the 23K and 27K options on this list
  • Includes only a 16 ft refrigerant line set

Good fit if

  • You have a suspended ceiling for a flush mount
  • You need 360° airflow for even room distribution
  • You want smart control via Alexa or the app

Skip if

  • You need a standard wall-mounted indoor unit
  • You require a higher capacity for larger spaces
  • You want a longer included line set

Verdict: DELLA 18K BTU Ceiling Cassette Mini Split is a practical choice for commercial or residential spaces with drop ceilings. It delivers efficient cooling and heating with a compact, unobtrusive design.

Best 25 seer2

DELLA CloudAir 12k BTU 25 SEER2

Best for: small rooms needing high efficiency and quiet cooling

Voltage
230V (what this guide is about)
Cooling Capacity
12,000 BTU (1 Ton)
Efficiency Rating
25 SEER2
Coverage Area
Up to 550 sq ft
Heat Pump
Heat Pump
Smart Connectivity
Wi-Fi, Alexa, Della+ app

View on Amazon: DELLA CloudAir 12k BTU 25 SEER2 Affiliate link

This Della CloudAir mini split delivers 12,000 BTU of cooling and heating for spaces up to 550 square feet. It achieves a top-tier 25 SEER2 efficiency rating and includes a 230V power connection. The unit features soft airflow technology to prevent direct drafts and operates quietly at 30 dB. Smart controls via the Della+ app and Alexa allow for remote management, while gold fin technology supports heating down to -22°F.

Pros

  • 25 SEER2 efficiency rating for high energy savings
  • Soft airflow design prevents harsh direct drafts
  • Ultra-quiet 30 dB operation in mute mode
  • Heating capability down to -22°F with gold fin technology
  • Smart control via WiFi, Alexa, and Della+ app

Cons

  • 12,000 BTU capacity limits use to rooms under 550 sq.ft
  • Requires a 20A electrical fuse for installation
  • Unit must be vacuumed after installation despite being pre-charged

Good fit if

  • You need high efficiency for a bedroom or home office
  • You want quiet operation for light sleeping or nurseries
  • You require heating in cold climates down to -22°F

Skip if

  • You need to cool a space larger than 550 square feet
  • You only have a 115V electrical outlet available
  • You prefer a larger capacity unit for open living areas

Verdict: Della CloudAir 12K BTU 25 SEER2 is the best fit for small rooms where energy efficiency and quiet, draft-free cooling are priorities. Its high SEER2 rating and cold-weather heating make it ideal for bedrooms or offices in colder regions.

Della 11k BTU Ducted Mini Split

Best for: small spaces needing concealed installation

Voltage
230V (what this guide is about)
Cooling Capacity
11,000 BTU
Efficiency Rating
19 SEER2
Coverage Area
Up to 450 Sq. Ft
Heat Pump
Heat Pump
Smart Connectivity
WiFi, Alexa, DELLA App

View on Amazon: Della 11k BTU Ducted Mini Split Affiliate link

This concealed ducted mini split delivers 11,000 BTU of cooling and heating for spaces up to 450 square feet. It operates on 208-230V with 19 SEER2 efficiency and includes a built-in condensate pump. The unit supports smart control via the DELLA App and Alexa. Its low 32 dB noise level and 0.4 in.WC static pressure make it suitable for complex ductwork layouts in homes or small offices.

Pros

  • 19 SEER2 efficiency rating for energy savings
  • Built-in condensate pump for flexible drainage
  • Quiet operation at 32 dB
  • Supports Alexa and DELLA App control
  • Heats reliably down to -13°F

Cons

  • 11,000 BTU capacity is lower than many competitors
  • Requires professional installation and is not DIY-friendly
  • Refrigerant adjustment needed for line sets over 25 ft

Good fit if

  • You need a hidden indoor unit for ceilings or attics
  • You require a condensate pump for drainage
  • You want smart control via Alexa or the app

Skip if

  • You need more than 11,000 BTU of cooling power
  • You are looking for a DIY installation option
  • You prefer a standard wall-mounted indoor unit

Verdict: DELLA 11,000 BTU Ducted Mini Split is a practical choice for homeowners who need a quiet, hidden unit with a condensate pump. It fits well in smaller spaces up to 450 sq ft where smart control and low noise are priorities.

DELLA 18K BTU Floor Ceiling Mini Split

Best for: flexible floor or ceiling mounting

Voltage
230V (what this guide is about)
Cooling Capacity
18,000 BTU
Efficiency Rating
20.5 SEER2
Coverage Area
Up to 1,000 sq. ft.
Heat Pump
Heat Pump
Smart Connectivity
Alexa, Wifi, DELLA App

View on Amazon: DELLA 18K BTU Floor Ceiling Mini Split Affiliate link

This Della unit is a 18,000 BTU heat pump designed for 230V circuits. It offers 20.5 SEER2 efficiency and covers up to 1,000 sq. ft. The floor-ceiling design allows mounting on walls or ceilings, providing 104° wide-angle airflow. It includes smart controls via app and Alexa, plus a quiet 36 dB indoor unit. This model suits spaces where vertical wall space is limited or ceiling mounting is preferred.

Pros

  • 20.5 SEER2 energy efficiency rating
  • Floor-ceiling installation flexibility
  • 104° wide-angle airflow coverage
  • Smart control via app and Alexa
  • Quiet operation at 36 dB

Cons

  • Larger physical footprint (41.5 inches wide)
  • Heavier unit at 52.9 pounds
  • Requires professional installation

Good fit if

  • You need flexible floor or ceiling mounting
  • You want smart control via Alexa
  • You require quiet operation for bedrooms

Skip if

  • You have limited wall space for a wide unit
  • You prefer a standard wall-mounted design
  • You want a DIY installation option

Verdict: DELLA 18K BTU Floor Ceiling Mini Split is a practical choice for rooms where ceiling or floor mounting is necessary, offering strong airflow and smart features without demanding vertical wall space.

Della 18K 24 SEER2 Dual Zone 208-230V

Best for: Two-room homes needing independent climate control

Voltage
230V (what this guide is about)
Cooling Capacity
18000 BTU/h
Efficiency Rating
24 SEER2
Coverage Area
Up to 1100 Sq.Ft
Number of Zones
2 Zone
Heat Pump
Heat Pump

View on Amazon: Della 18K 24 SEER2 Dual Zone 208-230V Affiliate link

This dual-zone mini split pairs one outdoor unit with two 12,000 BTU indoor handlers. It delivers 18,000 BTU of cooling with a 24 SEER2 efficiency rating on 208-230V power. The system covers up to 1,100 square feet and includes Wi-Fi and Alexa connectivity. It operates quietly at 46 dBa and includes all necessary line sets for installation. This unit is designed for homes needing separate climate control in two distinct rooms.

Pros

  • 24 SEER2 efficiency rating for strong energy savings
  • Dual-zone design with two 12,000 BTU indoor units
  • Wi-Fi and Alexa smart control integration
  • Quiet operation at 46 dBa noise level

Cons

  • Self-cleaning function is listed but does not operate
  • Total indoor capacity exceeds outdoor unit output
  • Requires professional installation and line-set vacuuming

Good fit if

  • You need independent temperature control in two rooms
  • You want high efficiency with a 24 SEER2 rating
  • You have 208-230V power available for installation

Skip if

  • You require a self-cleaning function that actually works
  • You need to run both zones at full capacity simultaneously
  • You are looking for a single-zone cooling solution

Verdict: DELLA 2 Zone 18K BTU 24 SEER2 is a practical dual-zone system for homeowners who need separate climate control in two rooms. It offers high efficiency and smart features, though you should avoid it if you plan to run both zones at full power at the same time.

DELLA 27K BTU 2-Zone 24 SEER2

Best for: two-room cooling with smart controls

Voltage
230V (what this guide is about)
Cooling Capacity
27000 BTU/h
Efficiency Rating
24 SEER2
Coverage Area
Up to 1550 Sq.Ft
Number of Zones
2 Zone
Heat Pump
Heat Pump

View on Amazon: DELLA 27K BTU 2-Zone 24 SEER2 Affiliate link

This dual-zone system pairs a 12,000 BTU and an 18,000 BTU indoor unit with a single outdoor condenser. It delivers 27,000 total BTU with a 24 SEER2 efficiency rating on 208-230V power. You get individual climate control for up to 1,550 square feet. The unit includes WiFi and Alexa compatibility. It operates quietly at 50 dBA and supports heating down to -13°F.

Pros

  • 24 SEER2 energy efficiency rating
  • Dual-zone control with 12K and 18K BTU handlers
  • Works with Alexa and WiFi app
  • Heating operation down to -13°F

Cons

  • Self-cleaning function does not operate despite display indication
  • Indoor units are not ultra-quiet, reaching 50 dBA
  • Requires professional installation and line-set vacuuming

Good fit if

  • You need separate temperature control for two distinct rooms
  • You have a 208-230V electrical supply available
  • You want to manage climate settings via voice commands

Skip if

  • You require self-cleaning functionality to work as intended
  • You need a single-zone unit for one room only
  • You prefer a completely silent indoor operation under 45 dBA

Verdict: DELLA 27K BTU Dual Zone 24 SEER2 is a high-efficiency choice for homeowners who need to cool two different spaces independently. It fits best in homes with 230V wiring that value smart home integration and strong heating performance in cold weather.

DELLA 27K BTU 3-Zone 24 SEER2

Best for: Cooling three separate rooms efficiently

Voltage
230V (what this guide is about)
Cooling Capacity
27000 BTU/h
Efficiency Rating
24 SEER2
Coverage Area
Up to 1350 Sq. Ft
Number of Zones
3 Zone
Heat Pump
Heat Pump

View on Amazon: DELLA 27K BTU 3-Zone 24 SEER2 Affiliate link

This Della 3-zone system delivers 27,000 BTU of cooling across three rooms using a 24 SEER2 efficiency rating on 208-230V power. It includes one outdoor unit and three indoor handlers (9k, 9k, and 12k BTU) for individual temperature control. The unit features heat pump capability down to -13°F and works with Alexa. It covers up to 1,350 square feet and uses R454B refrigerant. You get separate controllers for each zone.

Pros

  • 24 SEER2 efficiency rating for lower energy use
  • Three separate indoor units for individual room control
  • Heat pump operation down to -13°F
  • Works with Alexa for voice control
  • Uses environmentally friendly R454B refrigerant

Cons

  • Self-cleaning function is non-operational despite display option
  • Indoor units are larger and heavier than single-zone counterparts
  • Requires professional installation and line set vacuuming

Good fit if

  • You need to cool three separate rooms with one outdoor unit
  • You want individual temperature control for each zone
  • You need heating capability in colder climates

Skip if

  • You only need to cool a single room
  • You prefer a DIY installation without professional help
  • You require the self-cleaning function to work

Verdict: Della 3-Zone 27k BTU 24 SEER2 is a practical solution for multi-room cooling and heating. It fits homes where you need to manage temperatures in three distinct areas efficiently.

Specifications side by side

Spec DELLA Motto 18k BTU 19 SEER2 DELLA Vario 12K BTU 23 SEER2 DELLA Vita 12000 BTU 20 SEER2 DELLA Serena 12000 BTU 230V Mini Split DELLA Econo 17,000 BTU Mini Split DELLA Optima 23K BTU Soft Airflow DELLA Umbra 9100 BTU 230V Mini Split Della 28K BTU 3-Zone Mini Split DELLA 18K BTU Ceiling Cassette 20.5 SEER2 DELLA CloudAir 12k BTU 25 SEER2 Della 11k BTU Ducted Mini Split DELLA 18K BTU Floor Ceiling Mini Split Della 18K 24 SEER2 Dual Zone 208-230V DELLA 27K BTU 2-Zone 24 SEER2 DELLA 27K BTU 3-Zone 24 SEER2
Cooling Capacity 18,000 BTU 12,000 BTU 12,000 BTU 12,000 BTU (1 Ton) 17,000 BTU 23,000 BTU 9,100 BTU (0.75 Ton) 28,000 BTU/h 16,000 BTU 12,000 BTU (1 Ton) 11,000 BTU 18,000 BTU 18000 BTU/h 27000 BTU/h 27000 BTU/h
Efficiency Rating 19 SEER2 23 SEER2 20 SEER2 22 SEER2 17 SEER2 23 SEER2 19 SEER2 20 SEER2 20.5 SEER2 25 SEER2 19 SEER2 20.5 SEER2 24 SEER2 24 SEER2 24 SEER2
Voltage 208-230V 208-230V 230V 208-230V 208-230V 230V 230V 208-230V 230V 230V 208-230V 208-230V 208-230V 208-230V 208-230V
Coverage Area Up to 1000 sq ft Up to 550 sq ft 550 sq ft Up to 550 sq ft Up to 1000 sq ft Up to 1500 sq.ft Up to 400 sq ft Up to 1650 Sq.Ft 1000 Sq. Ft Up to 550 sq ft Up to 450 Sq. Ft Up to 1,000 sq. ft. Up to 1100 Sq.Ft Up to 1550 Sq.Ft Up to 1350 Sq. Ft
Number of Zones not stated not stated not stated not stated not stated not stated not stated 3 Zone not stated not stated not stated not stated 2 Zone 2 Zone 3 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 Heat Pump Heat Pump
Smart Connectivity Alexa, Wi-Fi Alexa, Wi-Fi Wi-Fi, Alexa, Google Assistant, App Wi-Fi, Alexa, Google Home, DELLA app Wi-Fi, Alexa, App control WiFi, Alexa, Della+ app Wi-Fi, Alexa Alexa and Wifi Alexa, App control Wi-Fi, Alexa, Della+ app WiFi, Alexa, DELLA App Alexa, Wifi, DELLA App Wifi, Alexa WiFi, Alexa, App Wifi, Alexa
Smart Control Wi-Fi, Alexa Wi-Fi, Alexa Wi-Fi, Alexa Wi-Fi Wi-Fi, Alexa Wi-Fi, Alexa Wi-Fi, Alexa Wi-Fi, Alexa Alexa Wi-Fi, Alexa Wi-Fi, Alexa Wi-Fi, Alexa Wi-Fi, Alexa Wi-Fi, Alexa Wi-Fi, Alexa
Dimensions 8.82 × 37 × 12.4 inches 8.07 × 31.9 × 11.5 inches 7.48 × 31.9 × 12 inches 7.87 × 30.2 × 11.8 inches 8.11 × 35.8 × 11.6 inches 8.75 × 43.2 × 13.1 inches 7.91 × 31.2 × 11.5 inches 8.07 × 31.9 × 11.5 inches 22.5 × 22.5 × 9.63 inches 7.68 × 36.2 × 12 inches 19.3 × 27.5 × 7.87 inches 9.25 × 41.5 × 26.6 inches 7.69 × 36.3 × 12.1 inches 7.69 × 36.3 × 12.1 inches 32.3 × 7.69 × 12.1 inches
Weight not stated 61 pounds 18.7 pounds 16.5 pounds 86 pounds 30.9 pounds 17.6 pounds not stated 32 pounds 23.1 pounds 33.1 pounds 52.9 pounds 23.1 pounds 23.1 pounds 20.7 pounds
Size 18,000 BTU - 230V - 19 SEER2 12,000 BTU - 230V / 23 SEER2 12,000 BTU - 230V / 20 SEER2 12,000 BTU 230V - 22 SEER2 17,000 BTU 230V - 17 SEER2 CloudAir - 23,000 BTU - 230V - 23 SEER2 9,100 BTU - 230V - 19 SEER2 - 16.4ft Kits 3 Zone 28000 BTU 12+12+12 16,000 BTU - 230V - 20.5 SEER2 CloudAir - 12,000 BTU - 230V - 25 SEER2 11,000 BTU - 230V / 19 SEER2 18,000 BTU - 230V / 20.5 SEER2 2 Zone - 18000 BTU 12+12 2 Zone - 27000 BTU 12+18 3 Zone - 27000 BTU 9+9+12
Color White White White White White White Black White with Line set White White White White White White White
Model 18K2VRH-19S-JA-I+O TL-12K2VB-23S-I+O TC-12K2VR-20S-I+O 12K2VR-22S-M-I+O IF-17K2VR-17S-I+O TPX-23K2V-23S-I+O 9K2VRH-19S-JPB-I+O 1D3-TL+T121212 048-CC-18K2V-20S-I+O C-TPHX-12K2V-25S-I+O_2 DC-12K2V-18S-I+O FC-18K2V-20S-I+O_1 1D2-TP+D1212 1D3-TP+D1218 1D3-TP+T9912

How to choose the right one

  1. Check the voltage requirement

    All models in this guide use 230V power. You must verify your home has the correct electrical circuit before purchasing. Standard household outlets often provide 115V, which is incompatible with these units. Using the wrong voltage can damage the compressor or void the warranty. Ensure your electrician has installed a dedicated 230V line for the outdoor condenser. This specification is consistent across every Della model listed here, from the smallest 9,100 BTU unit to the largest multi-zone systems. Do not attempt to adapt these units to lower voltage sources.

  2. Match BTU to room size

    Select the BTU capacity based on your room’s square footage to ensure proper cooling. The Della Motto 18k covers up to 1,000 square feet, making it suitable for larger open spaces. For smaller rooms under 550 square feet, the Vario 12k or Vita 12000 provide adequate cooling without overworking the system. Choosing a unit with too much power can cause short cycling, while too little power struggles to maintain temperature. Check the coverage area listed in the attributes for each model to find the right fit for your specific space dimensions.

  3. Compare SEER2 ratings

    SEER2 measures seasonal energy efficiency, with higher numbers indicating lower operating costs. The CloudAir 12k offers the highest rating at 25 SEER2, ideal for energy-conscious buyers. The Econo 17k provides a lower 17 SEER2 rating, which may suit budget-focused projects where upfront cost matters more than long-term savings. Most models fall between 19 and 23 SEER2. You should weigh the efficiency gain against your local electricity rates. Higher efficiency units often justify their presence in frequently used rooms like bedrooms or home offices.

  4. Choose the mounting style

    Your installation location dictates the physical form factor you need. Standard wall-mounted units like the Motto or Vario fit typical interior walls. If you have a drop ceiling, the Ceiling Cassette model installs flush for a clean look. Homes with limited wall space might prefer the Floor Ceiling unit, which mounts horizontally near the floor or vertically on the ceiling. The Ducted Mini Split hides inside walls or attics for concealed cooling. Select the style that matches your architectural constraints and aesthetic preferences before comparing other specs.

  5. Decide on zone count

    Determine if you need to control multiple rooms from a single outdoor unit. Single-zone units like the Motto cool one room only. Dual-zone systems, such as the 18K 24 SEER2 model, connect two indoor heads to one outdoor compressor. Tri-zone options, like the 28K BTU system, handle three separate spaces. Multi-zone setups allow independent temperature control in each room. This feature adds convenience but requires more complex installation. Verify the total BTU capacity of all indoor heads matches the outdoor unit’s limit to ensure proper operation.

  6. Verify smart control needs

    Most Della models include Wi-Fi and Alexa compatibility for remote management. You can adjust settings via a smartphone app or voice commands. The Motto and Vita both support Wi-Fi and Alexa integration. Some models, like the Vario 12k, focus on Alexa compatibility. Smart features allow you to schedule operations and monitor energy use. If you prefer manual control, a standard remote is included. However, Wi-Fi connectivity adds significant convenience for modern homes. Check the attributes section to confirm which smart platforms each specific model supports before purchasing.

Frequently asked questions

Which Della mini split is the most efficient?

The Della CloudAir 12k BTU 25 SEER2 holds the highest efficiency rating on this list. It achieves a 25 SEER2 rating, making it ideal for small rooms up to 550 square feet. This model prioritizes energy savings and quiet operation, suitable for bedrooms or offices in colder regions where heating performance matters.

Can I control these units with voice assistants?

Yes, most models support smart control via Wi-Fi and Alexa. The Della Motto 18k, Vita 12k, Econo 17k, Optima 23k, Umbra 9.1k, Tri-Zone 28k, Ceiling Cassette 18k, CloudAir 12k, Ducted 11k, Floor Ceiling 18k, and all dual-zone options include these features. This allows you to manage temperatures remotely using voice commands or a mobile app.

What is the best option for cooling three rooms?

The Della 28K BTU Tri-Zone Mini Split is designed for this purpose. It uses a single outdoor unit to manage three separate indoor spaces. This system provides individual comfort control for each zone. It is a practical choice for homeowners who need to manage heat and cooling across three distinct areas efficiently with smart connectivity.

Is there a model with a condensate pump?

The Della 11k BTU Ducted Mini Split includes a condensate pump. This feature makes it suitable for concealed installations in smaller spaces up to 450 square feet. It offers quiet operation and smart control, fitting well where hidden units are preferred. The pump helps manage moisture in areas where gravity drainage is not possible.

Which unit is best for small rooms under 400 square feet?

The Della Umbra 9100 BTU 230V Mini Split is tailored for small rooms under 400 square feet. It offers quiet, efficient cooling with smart control features via Wi-Fi and Alexa. Its compact design and 19 SEER2 rating make it a practical choice for tight spaces where high capacity is unnecessary but energy efficiency is desired.

Are there dual-zone systems available?

Yes, there are two dual-zone models: the Della 18K 24 SEER2 Dual Zone and the Della 27K BTU 2-Zone 24 SEER2. Both allow independent climate control in two rooms. They offer high efficiency and smart home integration. You should avoid running both zones at full power simultaneously on these units to ensure proper performance.

What is the lightest indoor unit?

The Della Serena 12000 BTU 230V Mini Split is the lightest at 16.5 pounds. It fits single rooms up to 550 square feet and provides quiet, smart climate control. With a 22 SEER2 rating and voice assistant compatibility, it is a practical choice for buyers seeking a lightweight, efficient unit for smaller spaces.

See also