Della or ROVSUN? Mini Splits Compared in 2026
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This della vs ROVSUN mini split comparison looks at two distinct options for your cooling needs. Both units are heat pumps with Wi-Fi connectivity and inverter technology for efficient operation. The main difference lies in their capacity and power requirements. The Della Motto model offers higher cooling power for larger rooms and runs on 230V. The ROVSUN unit is a smaller, 115V system designed for tighter spaces. You must choose based on your room size and electrical setup.
Key differences
| Aspect | DELLA Motto 18k BTU 19 SEER2 | ROVSUN 9000 BTU 20 SEER2 Mini Split |
|---|---|---|
| Cooling Capacity | 18,000 BTU/h | 9,000 BTU |
| Voltage | 208V~230V | 115V |
| Efficiency Rating | 19 SEER2 | 20 SEER2 |
| Coverage Area | up to 1000 sq. ft. | up to 400 sq. ft. |
| Smart Control | Wi-Fi, Alexa | Wi-Fi, App, Alexa, Google Assistant |
| Indoor Unit Width | 37 inches | 31.9 inches |
Which one should you choose?
Choose DELLA Motto 18k BTU 19 SEER2 if
- You need to cool a large room of up to 1,000 square feet.
- Your installation site has a 230V electrical circuit available.
- You prefer a unit with a remote control that senses room temperature.
Choose ROVSUN 9000 BTU 20 SEER2 Mini Split if
- You are cooling a small space under 400 square feet.
- You only have a standard 115V outlet for power.
- You want compatibility with Google Assistant in addition to Alexa.
Verdict: The Della Motto is the better choice for larger rooms and those with 230V power, offering double the cooling capacity of the ROVSUN. The ROVSUN unit is ideal for smaller spaces where a standard 115V outlet is the only option. Choose the Della for power and the ROVSUN for versatility in smaller, standard-power rooms.
Della vs ROVSUN Mini Split
Cooling capacity
The Della Motto 18k BTU 19 SEER2 handles up to 1000 square feet of space. It delivers 18,000 BTUs of cooling power. The ROVSUN 9000 BTU 20 SEER2 Mini Split covers up to 400 square feet. It provides 9,000 BTUs of cooling. You need to match the unit size to your room. The Della unit is for larger rooms or open areas. The ROVSUN unit suits smaller bedrooms or offices. Choose the capacity that matches your square footage.
Energy efficiency
The Della Motto 18k BTU 19 SEER2 has a 19 SEER2 rating. The ROVSUN 9000 BTU 20 SEER2 Mini Split has a 20 SEER2 rating. Both units use inverter technology for efficient operation. The ROVSUN model has a slightly higher efficiency score. This means it may use less energy per hour of cooling. The Della unit saves up to 30% power. The ROVSUN unit saves up to 35% energy. Both are efficient choices for your home.
Voltage requirements
The Della Motto 18k BTU 19 SEER2 requires 208V to 230V power. You need a dedicated 230V circuit for installation. The ROVSUN 9000 BTU 20 SEER2 Mini Split works on 115V power. It plugs into a standard outlet. This makes the ROVSUN easier to install in many homes. You do not need special electrical work for the ROVSUN. The Della unit needs professional electrical setup. Check your home’s electrical capacity before choosing.
Smart features
Both units offer Wi-Fi connectivity for remote control. The Della Motto 18k BTU 19 SEER2 works with Alexa. The ROVSUN 9000 BTU 20 SEER2 Mini Split works with Alexa and Google Assistant. The ROVSUN also supports a dedicated phone app. This gives you more control options with the ROVSUN. You can set routines and adjust temperatures from anywhere. Both units allow voice control. The ROVSUN offers broader compatibility with smart home systems.
Noise levels
The Della Motto 18k BTU 19 SEER2 operates at 29 dBA. The ROVSUN 9000 BTU 20 SEER2 Mini Split operates at 28 dBA in mute mode. Both units are very quiet. The ROVSUN is slightly quieter by one decibel. This difference is minimal in practice. Both units provide uniform air distribution. You will not notice loud noises during operation. Choose based on other features. The noise level is comparable for both products.
Which mini split fits your space best
You need to cool a large room
The Della Motto model delivers 18,000 BTUs of cooling power. It is designed to handle spaces up to 1,000 square feet. This higher capacity makes it suitable for larger living areas or open floor plans where the ROVSUN unit would struggle to maintain consistent temperatures.
You want the highest energy efficiency
The ROVSUN unit features a 20 SEER2 rating. This is higher than the Della model's 19 SEER2. The advanced inverter technology adjusts compressor speed to save energy. If you prioritize lower power consumption and maximum efficiency for smaller spaces, this rating provides better performance per watt.
You have standard 115V outlets only
The ROVSUN mini split operates on 115V power. This allows you to plug it into a standard household outlet. The Della model requires 230V, which needs specific wiring. If you do not have a dedicated 230V circuit installed, the ROVSUN unit is the practical choice for installation.
The products compared
DELLA Motto 18k BTU 19 SEER2
Best for: large rooms needing 230V power
- Cooling Capacity
- 18,000 BTU
- Efficiency Rating
- 19 SEER2
- Voltage
- 208-230V
- 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 18000 BTU mini split delivers 19 SEER2 efficiency on 230V power. It cools and heats spaces up to 1000 sq. ft. using R-32 refrigerant. Smart features include Wi-Fi and Alexa control. You get 4D airflow and a remote sensor for precise temperature management. This unit runs quietly at 29 dBa. It suits larger rooms needing strong heating and cooling capacity.
Pros
- 19 SEER2 energy efficiency rating
- 18000 BTU/h cooling and heating capacity
- Wi-Fi and Alexa smart connectivity
- Remote temperature sensor for accuracy
- Quiet 29 dBa operation level
Cons
- Requires 230V electrical connection
- Larger indoor unit dimensions
- No dedicated mobile app mentioned
Good fit if
- You need high capacity for large rooms
- You have 230V power available
- You want smart voice control options
Skip if
- You only have 115V outlets
- You need coverage under 500 sq. ft.
- You prefer a smaller indoor unit
Verdict: Della Motto 18K BTU 230V Mini Split offers robust performance for larger spaces. It fits buyers who need strong heating and cooling with smart features.
ROVSUN 9000 BTU 20 SEER2 Mini Split
Best for: small rooms needing quiet, smart cooling
- Cooling Capacity
- 9000 BTU
- Efficiency Rating
- 20 SEER2, 19 SEER
- Voltage
- 115V
- Coverage Area
- Up to 400 sq.ft.
- Heat Pump
- Heat Pump
- Smart Connectivity
- Wi-Fi, App, Alexa, Google Assistant
View on Amazon: ROVSUN 9000 BTU 20 SEER2 Mini Split Affiliate link
This ROVSUN unit offers 9000 BTU cooling and heating for rooms up to 400 square feet. It runs on 115V power and achieves a 20 SEER2 efficiency rating. The system includes Wi-Fi connectivity for app and voice control. You get inverter technology that adjusts compressor speed to save energy. It operates quietly at 28dB in mute mode, making it suitable for bedrooms or small offices.
Pros
- 20 SEER2 efficiency rating for energy savings
- Wi-Fi, app, and voice control support
- Quiet 28dB operation in mute mode
- 115V standard household voltage
Cons
- Lower 9000 BTU capacity compared to 12000 BTU competitors
- Requires 24-hour upright rest before installation
- Extra power cord not included in kit
Good fit if
- You need a 115V unit for a small room
- You want smart app and voice control features
- You prioritize quiet operation in a bedroom
Skip if
- You require a 12000 BTU unit for larger spaces
- You cannot wait 24 hours for installation
- You need a 230V hardwired system
Verdict: ROVSUN 9000 BTU Inverter Mini Split suits users with small rooms who need smart features and quiet operation. It fits well if you have a standard 115V outlet and can manage the installation wait.
Specifications side by side
| Spec | DELLA Motto 18k BTU 19 SEER2 | ROVSUN 9000 BTU 20 SEER2 Mini Split |
|---|---|---|
| Cooling Capacity | 18,000 BTU | 9000 BTU |
| Efficiency Rating | 19 SEER2 | 20 SEER2, 19 SEER |
| Voltage | 208-230V | 115V |
| Coverage Area | Up to 1000 sq ft | Up to 400 sq.ft. |
| Heat Pump | Heat Pump | Heat Pump |
| Smart Connectivity | Alexa, Wi-Fi | Wi-Fi, App, Alexa, Google Assistant |
| Smart Control | Wi-Fi, Alexa | Wi-Fi |
| Dimensions | 8.82 × 37 × 12.4 inches | 7.99 × 31.9 × 11.5 inches |
| Weight | not stated | 70 pounds |
| Size | 18,000 BTU - 230V - 19 SEER2 | 8.07"D x 31.92"W x 11.49"H |
| Color | White | White |
| Model | 18K2VRH-19S-JA-I+O | RV09T1/20-I/RV09T1/20-O |
Frequently asked questions
Which mini split is more energy efficient, Della or ROVSUN?
The ROVSUN 9000 BTU model is more efficient. It has a 20 SEER2 rating, while the Della Motto 18k BTU unit has a 19 SEER2 rating. A higher SEER2 number indicates better energy efficiency during cooling. This means the ROVSUN unit uses less electricity to produce the same amount of cooling for its size.
Does either mini split require a special electrical outlet?
Yes, the Della Motto 18k BTU unit requires 230V power. The ROVSUN 9000 BTU model operates on standard 115V power. You must check your home’s electrical setup before buying. Installing the Della unit may require a dedicated 230V circuit, whereas the ROVSUN unit fits into standard outlets.
Can I control both mini splits with my smartphone?
Yes, both units support smart control via Wi-Fi. The Della Motto model also integrates with Alexa for voice commands. The ROVSUN model relies on its Wi-Fi connection for app control. You can monitor and adjust settings remotely on either device through their respective smart interfaces.
Which mini split is better for a small bedroom?
The ROVSUN 9000 BTU model is better for small rooms. It covers up to 400 square feet, making it ideal for bedrooms or offices. The Della Motto 18k BTU unit covers 1,000 square feet, which is too powerful for small spaces. Using the larger unit in a small room may cause discomfort.
What are the physical dimensions of the indoor units?
The Della Motto indoor unit is 37 inches wide, 12.4 inches high, and 8.82 inches deep. The ROVSUN indoor unit is 31.9 inches wide, 11.5 inches high, and 7.99 inches deep. The ROVSUN model is slightly narrower and shorter. Both units are white to blend with most interior decor.
Is the Della Motto unit suitable for large living rooms?
Yes, the Della Motto 18k BTU unit is designed for larger spaces. It provides 18,000 BTUs of cooling power for areas up to 1,000 square feet. This capacity handles the cooling load of open living areas or large master bedrooms effectively. It is not recommended for small rooms due to its high output.
Do these mini splits include remote controls?
The provided specifications do not explicitly list remote controls as included accessories. Both units feature Wi-Fi connectivity for smartphone control. You should verify the package contents in the product manual or listing details before purchase to confirm if a physical remote is included with your specific order.