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Finding the best della mini split air conditioners with wi fi app requires looking at hard data. We compared 5 models based strictly on their published specifications. The Della Vario 9000 BTU Mini Split leads this list because its 20 SEER2 rating offers superior energy efficiency for small rooms under 400 sq ft. Every unit here supports Wi-Fi app control and heating modes. This guide helps you decide which model fits your space and power requirements.

Match Voltage to Your Room Size

Most Della mini splits use 115V outlets for smaller rooms, while larger units require 230V power. The 9000 BTU Vario and 12k BTU Serena CloudAir both offer high efficiency with smart app control. Check your outlet type before buying. Using the wrong voltage can prevent installation. This simple step ensures your new unit fits your home’s electrical setup.

#ProductBest forPrice
1Della Vario 9000 BTU Mini Split Best overallsmall rooms under 400 sq ft
2DELLA Serena CloudAir 12k BTU 22 SEER2 Best premiummedium rooms needing quiet, efficient cooling
3DELLA Vita 12K BTU 115V Mini Split Best budgetsmall rooms with 115V outlets
4DELLA Econo 11,500 BTU 230V Best 17 seer2Medium rooms with 230V power access
5DELLA 18K BTU Dual Zone Mini Split Also greatTwo-room cooling and heating needs

The best fit for you

  • You need the most efficient unit for a small room – Della Vario 9000 BTU Mini Split – It has a 20 SEER2 rating and 9,000 BTU capacity for small spaces.
  • You want the quietest cooling for a medium-sized room – DELLA Serena CloudAir 12k BTU 22 SEER2 – Its 22 SEER2 rating and 12,000 BTU output prioritize soft airflow and efficiency.
  • You have a standard 115V outlet in your room – DELLA Vita 12K BTU 115V Mini Split – This 12,000 BTU model runs on 115V and offers 20 SEER2 efficiency.
  • You need heating for a medium room with 230V power – DELLA Econo 11,500 BTU 230V – It provides 11,500 BTU cooling and heating with a 17 SEER2 rating.
  • You want to cool two separate rooms with one system – DELLA 18K BTU Dual Zone Mini Split – This dual-zone unit delivers 18,000 BTU total capacity for two rooms.
1Best overall
Della Vario 9000 BTU Mini Split

Della Vario 9000 BTU Mini Split

Best for: small rooms under 400 sq ft

Control Method
Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control
Cooling Capacity
9000 BTU
Coverage Area
Up to 400 Sq. Ft
SEER2 Rating
20 SEER2
Voltage
208-230V
Smart Compatibility
Alexa, Wi-Fi app, remote control

The DELLA Vario Series 9000 BTU mini split offers 20 SEER2 efficiency and Wi-Fi app control. It cools and heats spaces up to 400 square feet with 29 dBa quiet operation. The unit includes a 16.4 ft line set and works with Alexa. Its compact indoor unit measures 31.9 inches wide. This model suits smaller rooms needing precise temperature management via smart features.

Pros
  • 20 SEER2 energy efficiency rating
  • Wi-Fi app and Alexa voice control
  • Ultra-quiet 29 dBa operation
  • Includes 16.4 ft pre-charged line set
  • Smart sensor adjusts temperature based on remote location
Cons
  • 9000 BTU capacity is lower than the 12000 BTU options on this list
  • 20 SEER2 efficiency is lower than the 22 SEER2 and 23 SEER2 models available
  • Maximum coverage of 400 square feet is smaller than larger units
Good fit if
  • You need cooling for a room under 400 square feet
  • You want Wi-Fi app control and Alexa compatibility
  • You prioritize quiet operation at 29 dBa
Skip if
  • You require more than 9000 BTU of cooling power
  • You need the highest SEER2 rating available in this series
  • You are cooling a space larger than 400 square feet

Verdict: DELLA 9000 BTU Mini Split AC is a quiet, efficient choice for small rooms where smart control and lower energy use matter more than raw cooling power.

2Best premium
DELLA Serena CloudAir 12k BTU 22 SEER2

DELLA Serena CloudAir 12k BTU 22 SEER2

Best for: medium rooms needing quiet, efficient cooling

Control Method
Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control
Cooling Capacity
12,000 BTU
Coverage Area
Up to 550 sq ft
SEER2 Rating
22 SEER2
Voltage
115V
Smart Compatibility
WiFi, DELLA app, Alexa, Google Home

The Della CloudAir Series 12000 BTU mini split offers 22 SEER2 efficiency on a 115V circuit. It features soft indirect airflow and PureClean technology for healthier air. You get smart control via Wi-Fi app, Alexa, or Google Home. The unit operates quietly at 23 dBa in mute mode and includes a base pan heater for cold climates. It suits spaces up to 550 square feet.

Pros
  • High 22 SEER2 energy efficiency rating
  • Ultra-quiet operation at 23 dBa in mute mode
  • Soft indirect airflow prevents harsh direct drafts
  • Works with Alexa and Google Home voice commands
  • Built-in base pan heater for low-temp reliability
Cons
  • Lower 115V voltage limits capacity compared to 230V models
  • Smaller 12000 BTU cooling capacity than 18000 BTU options
  • Heavier 18.3 pound weight than lighter 9000 BTU units
Good fit if
  • You need efficient cooling for a 550 square foot room
  • You want smart control via Wi-Fi app or voice
  • You prefer soft, indirect airflow for sleeping areas
Skip if
  • You require 230V power for higher capacity needs
  • You need to cool a space larger than 550 square feet
  • You want the highest BTU output available in the series

Verdict: DELLA CloudAir 12000 BTU Mini Split delivers quiet, efficient cooling for medium rooms with smart app control. It fits buyers who value soft airflow and energy savings over maximum power output.

3Best budget
DELLA Vita 12K BTU 115V Mini Split

DELLA Vita 12K BTU 115V Mini Split

Best for: small rooms with 115V outlets

Control Method
Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control
Cooling Capacity
12,000 BTU
Coverage Area
550 sq ft
SEER2 Rating
20
Voltage
115V
Smart Compatibility
Alexa, Google Assistant, DELLA App

This Della Vita Series unit offers 12,000 BTU cooling powered by a 115V outlet. It achieves a high 20 SEER2 rating for energy efficiency. The system includes smart controls via the Della App and voice assistants. It cools spaces up to 550 sq. ft. and operates quietly at 28 dB. You get reliable heating down to -4°F. This model suits rooms needing standard voltage access.

Pros
  • High 20 SEER2 energy efficiency rating
  • Ultra-quiet 28 dB operation level
  • Smart control via Della App and Alexa
  • I Feel sensor for remote temperature reading
  • Heating performance down to -4°F
Cons
  • Lower 115V voltage compared to 230V models on the list
  • Smaller 12,000 BTU capacity than the 18K and 24K options
  • Limited 550 sq. ft. coverage area
Good fit if
  • You need a 115V plug-in unit for easier installation
  • You want high energy efficiency with a 20 SEER2 rating
  • You require quiet operation at 28 dB for bedrooms
Skip if
  • You need to cool a space larger than 550 sq. ft.
  • You require a higher 230V voltage for heavy loads
  • You want a larger 18,000 or 24,000 BTU capacity

Verdict: DELLA Vita 12K BTU 115V Mini Split is a practical choice for users who need a standard 115V connection and high efficiency. It fits small to medium rooms where quiet, smart-controlled cooling is a priority.

4Best 17 seer2
DELLA Econo 11,500 BTU 230V

DELLA Econo 11,500 BTU 230V

Best for: Medium rooms with 230V power access

Control Method
Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control
Cooling Capacity
11500 BTU/h
Coverage Area
Up to 550 Sq. Ft
SEER2 Rating
17 SEER2
Voltage
208-230V
Smart Compatibility
Alexa, DELLA app, remote control

The Della Econo Series is a 11500 BTU mini split designed for spaces up to 550 square feet. It operates on 230V power and delivers 17 SEER2 efficiency. This unit includes a heat pump for heating down to 5 degrees Fahrenheit. You get smart control via Wi-Fi app and Alexa compatibility. The system features 4D airflow and ultra-quiet operation at 33 dBA. It is a solid choice for medium-sized rooms needing reliable climate control.

Pros
  • 17 SEER2 energy efficiency rating
  • Wi-Fi and Alexa smart control
  • 33 dBA ultra-quiet operation
  • 4D air flow capability
  • Heat pump down to 5°F
Cons
  • 11500 BTU capacity is lower than the 18000 BTU option on this list
  • Requires professional installation and line-set vacuuming
  • 230V voltage limits placement to compatible outlets
Good fit if
  • You need to cool a room up to 550 square feet
  • You have a 230V outlet available for installation
  • You want smart control via the Della app
Skip if
  • You require a higher capacity for larger spaces
  • You need a 115V plug-and-play unit
  • You prefer a DIY installation without professional help

Verdict: Della Econo 11500 BTU 17 SEER2 fits users with medium-sized rooms and 230V power access who value energy efficiency and smart features over raw cooling power.

5Also great
DELLA 18K BTU Dual Zone Mini Split

DELLA 18K BTU Dual Zone Mini Split

Best for: Two-room cooling and heating needs

Control Method
Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control
Cooling Capacity
18000 BTU
Coverage Area
Up to 850 Sq.Ft
SEER2 Rating
22 SEER2
Voltage
230V
Number of Zones
2 Zone

This 2-zone mini split delivers 18,000 BTU total capacity across two indoor units. It features a high 22 SEER2 rating and 230V power for efficient operation. You get Wi-Fi app control, voice commands, and a 24-hour timer. The system includes a remote and supports heating down to -13°F. It is designed for spaces up to 850 square feet and includes a standard installation kit with copper pipes.

Pros
  • 22 SEER2 energy efficiency rating
  • 2-zone configuration with 7,000 and 12,000 BTU units
  • Wi-Fi app and voice control support
  • Heating operation down to -13°F
Cons
  • Lower 22 SEER2 rating compared to competitors' 23 SEER2
  • Heavier indoor unit at 16.5 pounds
  • Self-cleaning function does not perform actual operation
Good fit if
  • You need to cool and heat two separate rooms
  • You want a high SEER2 rating for energy savings
  • You prefer 230V electrical connections
Skip if
  • You only need to condition a single room
  • You require the highest SEER2 rating available
  • You want a self-cleaning function that actually works

Verdict: DELLA 2-Zone 18K BTU Mini Split suits homeowners needing dual-room climate control with strong energy efficiency. Its 22 SEER2 rating and 230V design offer reliable performance for larger living areas.

Specifications side by side

SpecDella Vario 9000 BTU Mini SplitDELLA Serena CloudAir 12k BTU 22 SEER2DELLA Vita 12K BTU 115V Mini SplitDELLA Econo 11,500 BTU 230VDELLA 18K BTU Dual Zone Mini Split
Cooling Capacity9000 BTU12,000 BTU12,000 BTU11500 BTU/h18000 BTU
Coverage AreaUp to 400 Sq. FtUp to 550 sq ft550 sq ftUp to 550 Sq. FtUp to 850 Sq.Ft
SEER2 Rating20 SEER222 SEER22017 SEER222 SEER2
Voltage208-230V115V115V208-230V230V
Number of Zones––––2 Zone
Smart CompatibilityAlexa, Wi-Fi app, remote controlWiFi, DELLA app, Alexa, Google HomeAlexa, Google Assistant, DELLA AppAlexa, DELLA app, remote controlAlexa, Google Home, Wi-Fi, remote
Operating ModesHeating, cooling, dry––Cooling, heating, dryHeating, cooling, dry, auto
FeaturesInverterInverterInverterInverterInverter
Control MethodWi-Fi, Wi-Fi App Control, Wi-Fi App, Voice ControlWi-Fi, Wi-Fi App Control, Wi-Fi App, Voice ControlWi-Fi, Wi-Fi App Control, Wi-Fi App, Voice ControlWi-Fi, Wi-Fi App Control, Wi-Fi App, Voice ControlWi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control
ColorWhiteWhiteWhiteWhiteWhite with Line set
Operating ModeHeaterHeaterHeaterHeaterHeater
SEER Rating20 SEER2–20 SEER217 SEER2–
Dimensions8 × 31.9 × 11.5 inches7.9 × 32.6 × 11.8 inches7.48 × 31.9 × 12 inches7.91 × 30.6 × 9.84 inches7.87 × 30.2 × 11.8 inches
Weight19.8 pounds18.3 pounds18.7 pounds67.2 pounds16.5 pounds
Size9,000 BTU – 230V / 20 SEER2CloudAir – 12,000 BTU 115V – 22 SEER212,000 BTU – 115V / 20 SEER211,500 BTU 230V – 17 SEER22 Zone – 18000 BTU 7+12
ModelTL-9K2VB-20S-I+O12K1VR-22S-MX-I+O_1TC-12K1VR-20S-I+OIF-11K2VR-17S-I+O18KM+D712

How to choose the right mini split

Match BTU to room size

Select cooling capacity based on your square footage. The Della Vario 9000 BTU Mini Split targets small rooms under 400 square feet. For medium spaces, the Serena CloudAir 12k BTU provides stronger output. Choose 12,000 BTU for standard bedrooms or living areas. The 18K BTU Dual Zone unit serves two rooms simultaneously. Picking the right BTU ensures efficient temperature control without wasting energy on oversized units.

Check voltage compatibility

Verify your electrical outlet matches the unit’s voltage requirement. The Della Vario and Econo models use 230V power, which is common for higher-capacity systems. The Serena CloudAir and Vita models operate on standard 115V outlets. This makes the 115V options easier to install in existing rooms without upgrading your electrical panel. Always confirm your available power source before purchasing to avoid installation delays or incompatibility issues.

Compare SEER2 ratings

Higher SEER2 ratings indicate better energy efficiency. The Della Econo model offers 17 SEER2, while the Vario and Vita both reach 20 SEER2. The Serena CloudAir leads with a 22 SEER2 rating. The Dual Zone unit also provides 22 SEER2 for two-room cooling. A higher rating reduces electricity costs over time. Prioritize these figures if you plan to run the unit frequently throughout the year for maximum savings.

Verify smart app control

All listed Della models feature Wi-Fi app control for remote management. You can adjust settings from your smartphone regardless of which unit you choose. The Serena CloudAir and Vario models also support voice control with Alexa. This allows hands-free operation alongside app adjustments. Ensure your home network supports the required Wi-Fi frequency. Smart features add convenience for scheduling and monitoring energy use remotely.

Confirm heating capability

Every model in this guide includes heating operating modes. The Vario, Serena, Vita, Econo, and Dual Zone units all function as heaters. This dual functionality makes them suitable for year-round use. You do not need a separate heating system for mild winters. Check the specific heating output if you live in colder climates. All units provide reliable climate control for both cooling and heating seasons.

Frequently asked questions

Which Della mini split is best for small rooms under 400 square feet?

The Della Vario 9000 BTU Mini Split is the top choice for small spaces. It delivers 9,000 BTU of cooling with a 20 SEER2 rating for high efficiency. This model runs on 230V power and includes Wi-Fi app control. Its compact design fits well in tighter areas while providing quiet operation.

Does the Della Serena CloudAir use a standard 115V outlet?

Yes, the Della Serena CloudAir 12k BTU operates on a standard 115V outlet. This makes installation easier for medium-sized rooms without needing specialized wiring. It offers 22 SEER2 efficiency and smart app control. The unit weighs 18.3 pounds and provides quiet, efficient cooling for your living space.

Can I control all these Della models with voice assistants?

Yes, all listed Della mini splits support Alexa voice control. They also feature Wi-Fi app control for remote management. This allows you to adjust settings from your phone or via voice commands. Smart compatibility is standard across the Vario, Serena CloudAir, Vita, Econo, and Dual Zone models.

Which unit is best if I need to cool two separate rooms?

The Della 18K BTU Dual Zone Mini Split is designed for this purpose. It covers two rooms with a 7,000 BTU and 12,000 BTU configuration. This system runs on 230V power and offers 22 SEER2 efficiency. It provides independent climate control for each zone via Wi-Fi app.

Is there a Della mini split that works with 115V power?

The Della Vita 12K BTU Mini Split and the Serena CloudAir both use 115V outlets. The Vita offers 20 SEER2 efficiency and 12,000 BTU capacity. The Serena provides 22 SEER2 efficiency. Both models include Wi-Fi app control and heating functions, making them suitable for standard household electrical systems.

What is the highest SEER2 rating available in this list?

The Della Serena CloudAir 12k BTU has the highest efficiency at 22 SEER2. The Della 18K BTU Dual Zone also achieves a 22 SEER2 rating. These models prioritize energy savings and quiet operation. Other units like the Vario and Vita offer 20 SEER2, while the Econo provides 17 SEER2.

Do these Della mini splits provide heating as well as cooling?

Yes, every model in this list includes heating modes. They function as heat pumps for year-round comfort. The Vario, Serena CloudAir, Vita, Econo, and Dual Zone all support heating. You can control these functions via the Wi-Fi app or voice commands for convenient temperature management.

See also