Looking Beyond the Della 18? 6 Alternatives Worth a Look
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
You might be looking for della 18 alternatives because the Della 18K BTU Ceiling Cassette is a niche product. It is designed for commercial spaces with dropped ceilings. Its 20.5 SEER2 rating and -13°F heat pump capability make it a robust choice for year-round comfort in these specific layouts. However, its ceiling cassette form factor limits where you can install it. You may need a wall-mounted unit or a floor-ceiling model instead.
The alternatives were chosen because their specs overlap with the original. All listed options provide 18,000 BTU of cooling capacity and operate on 230V power. They cover similar areas up to 1,000 sq ft. Each model offers smart control via Alexa or Wi-Fi. Some deliver higher efficiency ratings, while others prioritize quiet operation or flexible mounting. This list helps you find a unit that matches your space and technical requirements.
Our top pick: DELLA 18K BTU Ceiling Cassette 20.5 SEER2.
How these alternatives compare
DELLA CloudAir 18k BTU 23.5 SEER2
The Della CloudAir 18k BTU 23.5 SEER2 offers higher efficiency with a 23.5 SEER2 rating, compared to the Cassette’s 20.5 SEER2. It uses a standard wall-mounted form factor, measuring 43.2 inches wide, rather than the ceiling cassette’s 22.5-inch square profile. This model adds Wi-Fi connectivity alongside Alexa support, providing more flexible app control than the Cassette’s app-only setup. It covers up to 1,000 square feet at 230V. You should choose this if you want better energy efficiency and standard wall mounting instead of a concealed ceiling unit.
DELLA 18K BTU Floor Ceiling Mini Split
The Della 18K BTU Floor Ceiling Mini Split provides flexible mounting options, allowing installation on floors or ceilings, unlike the Cassette which is ceiling-only. It shares the 20.5 SEER2 efficiency and 1,000 square foot coverage but has a much larger footprint, measuring 41.5 inches wide and 26.6 inches high. It includes Wi-Fi and Alexa smart controls. The unit weighs 52.9 pounds, significantly heavier than the Cassette. Pick this alternative if you need a unit that can be mounted low or high, or if your space does not support ceiling cassette installation.
DELLA Motto 18k BTU 19 SEER2
The Della Motto 18k BTU 19 SEER2 has a lower efficiency rating of 19 SEER2, compared to the Cassette’s 20.5 SEER2. It uses a standard wall-mounted design, measuring 37 inches wide, rather than the compact ceiling cassette form. It includes Wi-Fi and Alexa smart controls for remote management. It covers up to 1,000 square feet at 230V. You might prefer this model if you prioritize standard wall mounting over ceiling concealment and do not need the highest possible efficiency rating for your space.
DELLA Vario 18k BTU 21 SEER2
The Della Vario 18k BTU 21 SEER2 offers a moderate efficiency boost with a 21 SEER2 rating, versus the Cassette’s 20.5 SEER2. It features a standard wall-mounted design, measuring 39.8 inches wide, instead of the ceiling cassette’s 22.5-inch square profile. It supports Alexa voice control and covers up to 1,000 square feet at 230V. Choose this option if you want slightly better energy efficiency and a standard wall unit, while still maintaining smart home integration through Alexa.
DELLA Serena CloudAir 18000 BTU 22 SEER2
The Della Serena CloudAir 18000 BTU 22 SEER2 provides higher efficiency with a 22 SEER2 rating, compared to the Cassette’s 20.5 SEER2. It uses a standard wall-mounted form factor, measuring 44.9 inches wide, rather than the ceiling cassette’s 22.5-inch square profile. It includes Wi-Fi and Alexa smart controls for enhanced connectivity. It covers up to 1,000 square feet at 230V. This model is a better fit if you want improved energy efficiency and standard wall mounting, while maintaining smart home capabilities.
DELLA Econo 17,000 BTU Mini Split
The Della Econo 17,000 BTU Mini Split has a lower efficiency rating of 17 SEER2, compared to the Cassette’s 20.5 SEER2. It uses a standard wall-mounted design, measuring 35.8 inches wide, instead of the ceiling cassette’s 22.5-inch square profile. It includes Wi-Fi and Alexa smart controls. It covers up to 1,000 square feet at 230V. You should consider this alternative if you prioritize smart home integration and standard wall mounting over higher efficiency ratings and ceiling concealment.
Quick picks
Our 7 picks
DELLA 18K BTU Ceiling Cassette 20.5 SEER2
Best for: commercial spaces with dropped ceilings
- Cooling Capacity
- 16,000 BTU
- Efficiency Rating
- 20.5 SEER2
- Voltage
- 230V
- Coverage Area
- 1000 Sq. Ft
- Heat Pump
- Heat Pump
- Smart Connectivity
- Alexa, App control
This ceiling cassette mini split delivers 18,000 BTU of cooling with a 20.5 SEER2 efficiency rating. It operates on 230V and includes a heat pump that functions down to -13°F. The indoor unit features 360-degree airflow and runs at 37 dB. It connects via the Della app and Alexa. This model suits commercial spaces or homes with dropped ceilings where discreet, even air distribution is key.
Pros
- 20.5 SEER2 energy efficiency rating
- 360-degree surround airflow for even distribution
- Heat pump operates down to -13°F
- Quiet operation at 37 dB(A)
- Smart control via Della App and Alexa
Cons
- Ceiling cassette design requires dropped ceiling installation
- Indoor unit is bulkier than wall-mounted units
- Professional installation is mandatory
Good fit if
- You need discreet air distribution in a commercial space
- You have a dropped ceiling for the indoor unit
- You want 360-degree airflow for even temperature
Skip if
- You only have standard walls for mounting
- You prefer a wall-mounted indoor unit
- You are looking for a DIY-friendly setup
Verdict: Della 18k BTU Ceiling Cassette fits commercial spaces or homes with dropped ceilings that need discreet, even air distribution. Its 20.5 SEER2 rating and -13°F heat pump capability make it a robust choice for year-round comfort in these specific layouts.
DELLA CloudAir 18k BTU 23.5 SEER2
Best for: Cold climates and quiet comfort
- Cooling Capacity
- 18000 BTU (1.5 Ton)
- Efficiency Rating
- 23.5 SEER2
- Voltage
- 230V
- Coverage Area
- Up to 1000 Sq. Ft
- Heat Pump
- Heat Pump
- Smart Connectivity
- WiFi, Alexa, Della+ app
This 18,000 BTU unit offers 23.5 SEER2 efficiency and 230V power. It features soft airflow and operates at 34dB in mute mode. The heat pump works down to -22°F. It includes Alexa and app control with an I Feel sensor. It suits spaces up to 1,000 sq ft. You get a complete installation kit with pre-flared lines.
Pros
- 23.5 SEER2 efficiency rating
- 230V electrical connection
- 34dB whisper-quiet operation
- Heats down to -22°F
- Includes full installation kit
Cons
- Larger 43.2-inch indoor unit width
- Requires vacuuming after install
- No dedicated display mentioned
Good fit if
- You need heating in extreme cold
- You want quiet operation for sleep
- You prefer soft, indirect airflow
Skip if
- You have a 115V electrical circuit
- You need a compact wall unit
- You want a plug-and-play setup
Verdict: DELLA CloudAir 18k BTU 23.5 SEER2 fits homes needing strong heating and quiet cooling. It delivers high efficiency for larger rooms.
DELLA 18K BTU Floor Ceiling Mini Split
Best for: rooms needing flexible mounting and smart control
- Cooling Capacity
- 18,000 BTU
- Efficiency Rating
- 20.5 SEER2
- Voltage
- 208-230V
- Coverage Area
- Up to 1,000 sq. ft.
- Heat Pump
- Heat Pump
- Smart Connectivity
- Wifi, Alexa, DELLA App
This unit offers 18,000 BTU cooling and 20.5 SEER2 efficiency in a versatile floor or ceiling mount design. It covers up to 1,000 square feet with 104-degree wide-angle airflow. The system includes Wi-Fi app control, Alexa compatibility, and operates quietly at 36 dB. It provides heat pump functionality down to -13°F, making it suitable for mixed climates.
Pros
- 104-degree wide-angle airflow for even temperature distribution
- Supports Wi-Fi, app control, and Alexa voice commands
- Quiet operation at 36 dB for bedrooms or offices
- Dual installation options for floor standing or ceiling mounting
Cons
- Larger physical dimensions (41.5 inches wide) than standard wall units
- Requires professional installation as it is not a DIY system
- Heating capacity drops significantly below -13°F
Good fit if
- You need flexible mounting options for a room with no suitable wall space
- You want smart home integration with Alexa and a dedicated app
- You require quiet operation for a bedroom or home office
Skip if
- You prefer a compact wall-mounted unit that blends into standard decor
- You are looking for a DIY-friendly setup without professional help
- You live in a region where temperatures regularly fall below -13°F
Verdict: DELLA 18k BTU Floor Ceiling Mini Split is a strong choice for spaces where wall mounting is impractical or impossible. It delivers reliable climate control with smart features, provided you can accommodate its larger footprint and arrange for professional installation.
DELLA Motto 18k BTU 19 SEER2
Best for: small rooms needing smart control
- 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
The Della Motto Series offers 18,000 BTU of cooling and heating for spaces up to 1,000 square feet. It runs on 230V power and achieves a 19 SEER2 efficiency rating. This model includes Wi-Fi connectivity for Alexa control. It features a smart sensor in the remote for precise temperature adjustments. The unit operates quietly at 29 dBA and uses R-32 refrigerant for better environmental performance.
Pros
- 19 SEER2 efficiency rating for energy savings
- Smart sensor in remote for personalized comfort
- Ultra-quiet operation at 29 dBA
- Works with Alexa via Wi-Fi
- Uses eco-friendly R-32 refrigerant
Cons
- Lower 19 SEER2 rating compared to 20.5+ options
- Smaller 1,000 sq. ft. coverage area
- Requires line-set vacuuming during installation
Good fit if
- You need reliable Wi-Fi control with Alexa
- You want quiet operation at 29 dBA
- You prefer R-32 refrigerant technology
Skip if
- You require higher efficiency above 19 SEER2
- You need to cool spaces larger than 1,000 sq. ft.
- You want a higher cooling capacity than 18,000 BTU
Verdict: DELLA Motto 18k BTU 19 SEER2 Mini Split suits buyers who prioritize quiet operation and smart home integration over maximum efficiency. It is a practical option for smaller rooms where Alexa compatibility is a priority.
DELLA Vario 18k BTU 21 SEER2
Best for: Quiet operation with Alexa voice control
- Cooling Capacity
- 18000 BTU/h (1.5 Ton)
- Efficiency Rating
- 21 SEER2
- Voltage
- 208-230V
- Coverage Area
- up to 1000 Sq. Ft
- Heat Pump
- Heat pump
- Smart Connectivity
- Wifi, Alexa
The Della Vario Series offers 18,000 BTU of cooling and heating for spaces up to 1,000 square feet. It achieves 21 SEER2 efficiency on 208-230V power. Smart features include Wi-Fi and Alexa compatibility. It operates quietly at 32 dBa and includes a 4D airflow system. This unit suits those seeking reliable inverter technology with basic voice control integration.
Pros
- 21 SEER2 energy efficiency rating
- Wi-Fi and Alexa smart connectivity
- Ultra-quiet 32 dBa operation level
- 4D multi-directional airflow system
Cons
- Lower 21 SEER2 efficiency than top competitors
- No dedicated mobile app listed in specs
- Requires professional installation and line-set vacuuming
Good fit if
- You need smart control via Alexa
- You require quiet 32 dBa operation
- You have a 208-230V electrical setup
Skip if
- You want the highest 23.5 SEER2 efficiency
- You prefer a dedicated smartphone app
- You need cooling for areas over 1,000 sq ft
Verdict: DELLA Vario 18k BTU Wifi Mini Split is a solid mid-range option for users who value quiet operation and Alexa integration over peak efficiency ratings.
DELLA Serena CloudAir 18000 BTU 22 SEER2
Best for: Quiet comfort and soft airflow
- Cooling Capacity
- 18000 BTU (1.5 Ton)
- Efficiency Rating
- 22 SEER2
- Voltage
- 230V
- Coverage Area
- Up to 1000 sq.ft.
- Heat Pump
- Heat pump
- Smart Connectivity
- WiFi, DELLA app, Alexa, Google Home
This Della Serena CloudAir mini split offers 18,000 BTU of cooling and heating for spaces up to 1,000 square feet. It runs on 230V power and achieves a 22 SEER2 efficiency rating. The unit features soft, indirect airflow to prevent direct drafts. It includes WiFi connectivity for app and voice control. With a low noise level of 22 dBA in mute mode, it suits bedrooms or quiet workspaces.
Pros
- 22 SEER2 efficiency rating for energy savings
- Soft, indirect airflow prevents direct drafts
- Ultra-quiet operation down to 22 dBA
- WiFi control via app, Alexa, and Google Home
- Base pan heater ensures performance in 5°F weather
Cons
- Requires 230V electrical connection
- Indoor unit is 44.9 inches wide
- Maximum fuse size is 20A
Good fit if
- You need quiet operation for sleeping or working
- You want soft, indirect airflow to avoid drafts
- You have a 230V electrical outlet available
Skip if
- You only have 115V outlets
- You need a smaller unit for under 800 sq.ft.
- You prefer direct, high-velocity cooling
Verdict: DELLA Serena CloudAir 18k BTU 22 SEER2 is a quiet, efficient choice for rooms up to 1,000 sq.ft. where soft airflow and low noise are priorities. It fits homes with 230V wiring that value comfort over raw cooling speed.
DELLA Econo 17,000 BTU Mini Split
Best for: small rooms needing smart app control
- 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
This Della Econo Series unit offers 17,000 BTU of cooling for spaces up to 1,000 square feet. It runs on 208-230V power and achieves a 17 SEER2 efficiency rating. The system includes a heat pump and smart connectivity via Wi-Fi and Alexa. You get 4D airflow and a smart sensor that adjusts based on remote readings. It is a practical option for those needing reliable cooling with basic smart features.
Pros
- 17 SEER2 efficiency rating for energy savings
- Wi-Fi and Alexa compatibility for remote control
- Smart sensor adjusts temperature based on remote location
- 4D airflow for even distribution
Cons
- Lower 17 SEER2 rating compared to other 18,000 BTU options
- Smaller 17,000 BTU capacity limits coverage to 1,000 sq ft
- Heavier 86-pound indoor unit requires sturdy mounting
Good fit if
- You need smart control via Alexa or app
- You require a heat pump for winter heating
- You want a standard 230V installation
Skip if
- You need higher efficiency than 17 SEER2
- You require cooling for areas larger than 1,000 sq ft
- You prefer an 18,000 BTU unit for broader coverage
Verdict: Della Econo 17,000 BTU 17 SEER2 suits buyers who prioritize smart home integration and basic efficiency over raw cooling power or higher SEER ratings.
Specifications side by side
| Spec | DELLA 18K BTU Ceiling Cassette 20.5 SEER2 | DELLA CloudAir 18k BTU 23.5 SEER2 | DELLA 18K BTU Floor Ceiling Mini Split | DELLA Motto 18k BTU 19 SEER2 | DELLA Vario 18k BTU 21 SEER2 | DELLA Serena CloudAir 18000 BTU 22 SEER2 | DELLA Econo 17,000 BTU Mini Split |
|---|---|---|---|---|---|---|---|
| Cooling Capacity | 16,000 BTU | 18000 BTU (1.5 Ton) | 18,000 BTU | 18000 BTU/h | 18000 BTU/h (1.5 Ton) | 18000 BTU (1.5 Ton) | 17,000 BTU |
| Efficiency Rating | 20.5 SEER2 | 23.5 SEER2 | 20.5 SEER2 | 19 SEER2 | 21 SEER2 | 22 SEER2 | 17 SEER2 |
| Voltage | 230V | 230V | 208-230V | 208V~230V | 208-230V | 230V | 208-230V |
| Coverage Area | 1000 Sq. Ft | Up to 1000 Sq. Ft | Up to 1,000 sq. ft. | up to 1000 sq. ft. | up to 1000 Sq. Ft | Up to 1000 sq.ft. | Up to 1000 sq ft |
| Heat Pump | Heat Pump | Heat Pump | Heat Pump | Heat pump | Heat pump | Heat pump | Heat Pump |
| Smart Connectivity | Alexa, App control | WiFi, Alexa, Della+ app | Wifi, Alexa, DELLA App | Wifi, Alexa | Wifi, Alexa | WiFi, DELLA app, Alexa, Google Home | Wi-Fi, Alexa, App control |
| Smart Control | Alexa | Wi-Fi, Alexa | Wi-Fi, Alexa | Wi-Fi, Alexa | Alexa | Wi-Fi, Alexa | Wi-Fi, Alexa |
| Dimensions | 22.5 × 22.5 × 9.63 inches | 8.74 × 43.2 × 13.1 inches | 9.25 × 41.5 × 26.6 inches | 8.82 × 37 × 12.4 inches | 8.66 × 39.8 × 12.4 inches | 9 × 44.9 × 13.2 inches | 8.11 × 35.8 × 11.6 inches |
| Weight | 32 pounds | 30.9 pounds | 52.9 pounds | not specified | not specified | 30.9 pounds | 86 pounds |
| Size | 16,000 BTU - 230V - 20.5 SEER2 | CloudAir - 18,000 BTU - 230V - 23.5 SEER2 | 18,000 BTU - 230V / 20.5 SEER2 | 18,000 BTU - 230V - 19 SEER2 | 18,000 BTU - 230V / 21 SEER2 | CloudAir - 18,000 BTU 230V - 22 SEER2 | 17,000 BTU 230V - 17 SEER2 |
| Color | White | White | White | White | White | White | White |
| Model | 048-CC-18K2V-20S-I+O | TPHX-18K2V-23S-I+O | FC-18K2V-20S-I+O_1 | 18K2VRH-19S-JA-I+O | TL-18K2VB-21S-I+O | 18K2VR-22S-MX-I+O_1 | IF-17K2VR-17S-I+O |
If you also need workshop tools for your installation space, you can review dewalt 18 scroll saw alternatives.
Frequently asked questions
Which Della 18K alternative is best for cold climates?
The Della CloudAir 18k BTU 23.5 SEER2 is the top choice for cold weather. It offers the highest efficiency rating at 23.5 SEER2 among the listed options. This model is specifically noted for strong heating performance, making it suitable for homes in regions with harsh winters.
Does any Della mini split support Alexa voice control?
Yes, most models in this list support Alexa. The CloudAir, Floor Ceiling, Motto, Vario, and Serena CloudAir units all include Alexa compatibility. This allows you to control temperature and modes using voice commands through your smart home ecosystem without needing to use a remote or app.
Which option is best for quiet operation?
The Della Serena CloudAir 18000 BTU 22 SEER2 is designed for quiet comfort. It prioritizes soft airflow and low noise levels over raw cooling speed. The Della Vario 18k BTU 21 SEER2 is also a solid mid-range option for users who value quiet operation alongside smart features.
What is the most efficient Della 18K alternative available?
The Della CloudAir 18k BTU 23.5 SEER2 is the most efficient model listed. It holds the highest SEER2 rating of 23.5, surpassing the next closest option, the Serena CloudAir, which rates at 22 SEER2. Higher SEER2 ratings indicate better energy efficiency for cooling larger rooms.
Which unit is best for small rooms with smart control?
The Della Motto 18k BTU 19 SEER2 is ideal for smaller spaces. It suits buyers who prioritize smart home integration and quiet operation. It supports Wi-Fi and Alexa control, providing reliable climate management for rooms where maximum efficiency is less critical than convenience and noise levels.
Can I mount a Della mini split on the floor or ceiling?
Yes, the Della 18K BTU Floor Ceiling Mini Split offers flexible mounting options. It is designed for spaces where wall mounting is impractical or impossible. This unit allows you to choose between floor or ceiling installation, providing reliable climate control with smart features for versatile room layouts.