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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.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Della Vario 9000 BTU Mini Split Best overall | small rooms under 400 sq ft | |
| 2 | DELLA Serena CloudAir 12k BTU 22 SEER2 Best premium | medium rooms needing quiet, efficient cooling | |
| 3 | DELLA Vita 12K BTU 115V Mini Split Best budget | small rooms with 115V outlets | |
| 4 | DELLA Econo 11,500 BTU 230V Best 17 seer2 | Medium rooms with 230V power access | |
| 5 | DELLA 18K BTU Dual Zone Mini Split Also great | Two-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.
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.
- 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
- 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
- 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
- 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.
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.
- 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
- 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
- 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
- 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.
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.
- 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
- 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
- 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
- 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.
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.
- 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
- 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
- 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
- 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.
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.
- 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
- Lower 22 SEER2 rating compared to competitors' 23 SEER2
- Heavier indoor unit at 16.5 pounds
- Self-cleaning function does not perform actual operation
- You need to cool and heat two separate rooms
- You want a high SEER2 rating for energy savings
- You prefer 230V electrical connections
- 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
| Spec | Della Vario 9000 BTU Mini Split | DELLA Serena CloudAir 12k BTU 22 SEER2 | DELLA Vita 12K BTU 115V Mini Split | DELLA Econo 11,500 BTU 230V | DELLA 18K BTU Dual Zone Mini Split |
|---|---|---|---|---|---|
| Cooling Capacity | 9000 BTU | 12,000 BTU | 12,000 BTU | 11500 BTU/h | 18000 BTU |
| Coverage Area | Up to 400 Sq. Ft | Up to 550 sq ft | 550 sq ft | Up to 550 Sq. Ft | Up to 850 Sq.Ft |
| SEER2 Rating | 20 SEER2 | 22 SEER2 | 20 | 17 SEER2 | 22 SEER2 |
| Voltage | 208-230V | 115V | 115V | 208-230V | 230V |
| Number of Zones | – | – | – | – | 2 Zone |
| Smart Compatibility | Alexa, Wi-Fi app, remote control | WiFi, DELLA app, Alexa, Google Home | Alexa, Google Assistant, DELLA App | Alexa, DELLA app, remote control | Alexa, Google Home, Wi-Fi, remote |
| Operating Modes | Heating, cooling, dry | – | – | Cooling, heating, dry | Heating, cooling, dry, auto |
| Features | Inverter | Inverter | Inverter | Inverter | Inverter |
| Control Method | Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control | Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control | Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control | Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control | Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control |
| Color | White | White | White | White | White with Line set |
| Operating Mode | Heater | Heater | Heater | Heater | Heater |
| SEER Rating | 20 SEER2 | – | 20 SEER2 | 17 SEER2 | – |
| Dimensions | 8 × 31.9 × 11.5 inches | 7.9 × 32.6 × 11.8 inches | 7.48 × 31.9 × 12 inches | 7.91 × 30.6 × 9.84 inches | 7.87 × 30.2 × 11.8 inches |
| Weight | 19.8 pounds | 18.3 pounds | 18.7 pounds | 67.2 pounds | 16.5 pounds |
| Size | 9,000 BTU – 230V / 20 SEER2 | CloudAir – 12,000 BTU 115V – 22 SEER2 | 12,000 BTU – 115V / 20 SEER2 | 11,500 BTU 230V – 17 SEER2 | 2 Zone – 18000 BTU 7+12 |
| Model | TL-9K2VB-20S-I+O | 12K1VR-22S-MX-I+O_1 | TC-12K1VR-20S-I+O | IF-11K2VR-17S-I+O | 18KM+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.




