Della vs COSTWAY: Mini Splits Compared by Specs
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When comparing a della vs COSTWAY mini split, you are looking at two 18,000 BTU units that share key features like heat pump capability and Wi-Fi control. Both models operate on 230V power and target large rooms. The main difference lies in their efficiency ratings and coverage areas. The Della Motto Series offers 19 SEER2 efficiency for up to 1,000 sq. ft., while the COSTWAY Blast Pro provides a higher 20 SEER2 rating and covers up to 1,250 sq. ft. You need to decide which performance level fits your space.
Key differences
| Aspect | DELLA Motto 18k BTU 19 SEER2 | COSTWAY Blast Pro 18000 BTU 230V |
|---|---|---|
| Efficiency Rating | 19 SEER2 | 20 SEER2 |
| Coverage Area | Up to 1,000 sq. ft. | Up to 1,250 sq. ft. |
| Smart Control | Wi-Fi, Alexa | Wi-Fi, App, Alexa, Google Assistant |
| Indoor Unit Width | 37 inches | 35.8 inches |
Which one should you choose?
Choose DELLA Motto 18k BTU 19 SEER2 if
- You prefer a unit with a remote control that senses room temperature for personalized comfort.
- You want a system that explicitly mentions an upgraded bottom heating element for cold weather performance down to 5°F.
- You need a wider indoor unit that fits a specific wall space better than the narrower alternative.
Choose COSTWAY Blast Pro 18000 BTU 230V if
- You need higher energy efficiency with a 20 SEER2 rating to reduce power consumption.
- You are cooling a larger space up to 1,250 sq. ft. that exceeds the smaller unit's capacity.
- You want voice control compatibility with both Alexa and Google Assistant for flexible smart home integration.
Verdict: Choose the Della Motto if you prioritize smart temperature sensing and specific cold-weather hardware features. Pick the COSTWAY Blast Pro if you need higher efficiency, broader smart home compatibility, and more coverage area for larger rooms.
Della vs COSTWAY Mini Split Specs
Energy efficiency
The COSTWAY Blast Pro leads with a 20 SEER2 rating, while the Della Motto Series offers 19 SEER2. Both units operate on 230V power, but the higher SEER2 score on the COSTWAY model suggests better energy conservation during cooling cycles. This rating reflects seasonal energy efficiency, meaning the COSTWAY unit may use less electricity to maintain your desired temperature over a typical season. For buyers prioritizing lower power consumption, the one-point difference in SEER2 provides a clear advantage to the COSTWAY system. Both are inverter-based, allowing for smooth output adjustments, but the efficiency metric alone favors the COSTWAY unit.
Coverage area
COSTWAY rates its 18,000 BTU unit for spaces up to 1250 sq. ft., whereas Della specifies coverage for up to 1000 sq. ft. This 250 sq. ft. difference is significant for larger rooms or open-concept living areas. If your space is between 1000 and 1250 sq. ft., the Della unit might struggle to maintain consistent temperatures, while the COSTWAY model is designed to handle that larger volume. Both units deliver the same 18,000 BTU cooling capacity, but the manufacturer ratings indicate different optimal use cases. For larger rooms, the COSTWAY Blast Pro provides a clear advantage in recommended coverage.
Noise level
The COSTWAY Blast Pro operates at a whisper-quiet 28 dB, slightly quieter than the Della Motto Series, which runs at 29 dB. This one-decibel difference is minimal and may not be perceptible in everyday use. Both units are designed for indoor comfort with low noise output, making them suitable for bedrooms or living areas. The Della unit also emphasizes ultra-silent operation, while COSTWAY highlights peaceful operation alongside self-clean features. Since both fall into the same low-decibel range, neither holds a decisive advantage in noise performance. You will likely find both units sufficiently quiet for most residential environments.
Smart control
Both units support Wi-Fi connectivity and Alexa voice control. However, the COSTWAY Blast Pro adds compatibility with Google Assistant, offering more flexibility for users with multi-platform smart home ecosystems. Della restricts its smart features to Alexa and Wi-Fi app control. If you primarily use Google Home devices, the COSTWAY unit is the better choice. For Alexa-only users, both provide similar convenience through remote app management. The inclusion of Google Assistant support gives COSTWAY a slight edge in smart home compatibility, ensuring broader integration options for various household setups.
Physical size
The COSTWAY Blast Pro is more compact, measuring 35.8 inches wide, 12 inches high, and 7.68 inches long. The Della Motto Series is larger at 37 inches wide, 12.4 inches high, and 8.82 inches long. This size difference affects mounting options, particularly in tighter spaces or where aesthetic alignment with existing fixtures matters. The COSTWAY unit is also lighter at 20.9 pounds, which may simplify installation. If you have limited wall space or prefer a smaller indoor unit, the COSTWAY model offers a clear advantage in dimensions and weight.
Which mini split fits your needs best
User wanting highest efficiency and smart features
The COSTWAY Blast Pro offers a 20 SEER2 rating, which is higher than the Della unit. It also includes Google Assistant support and a self-clean function. You get a slightly larger coverage area of 1250 sq. ft. and operation down to -4°F. These specs make it the best choice for maximizing energy savings and smart home integration.
User needing quiet operation and smart sensor
The Della Motto Series runs at 29 dBa, which is quieter than the COSTWAY model. It features a smart sensor that adjusts temperature based on the remote control location rather than the indoor unit. You also get Alexa compatibility and a 4D airflow design. Choose this unit if you prioritize precise personal comfort and ultra-quiet performance.
User needing reliable heating in cold weather
The COSTWAY Blast Pro supports heating operation at temperatures as low as -4°F. This is more robust than the Della unit, which specifies performance down to 5°F. Both units use R-32 refrigerant and include electrical heating elements in the outdoor condenser. Select the COSTWAY model if you require reliable heat pump performance during extreme cold snaps.
The products compared
DELLA Motto 18k BTU 19 SEER2
Best for: cold-weather heating and smart control
- 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
This Della Motto Series unit delivers 18,000 BTU of cooling and heating for spaces up to 1,000 square feet. It operates at 19 SEER2 efficiency on 230V power. The system includes Wi-Fi connectivity and Alexa support for remote management. You get 4D airflow, a smart sensor in the remote, and ultra-quiet operation at 29 dBA. It uses R-32 refrigerant and functions in temperatures down to 5°F.
Pros
- 19 SEER2 energy efficiency rating
- Wi-Fi and Alexa smart control
- Smart sensor located in the remote
- Ultra-quiet 29 dBA operation
- Operates in temperatures down to 5°F
Cons
- Lower 19 SEER2 efficiency compared to the 20 SEER2 competitor
- Requires line-set vacuuming during installation
- Remote sensor may not match indoor unit temperature exactly
Good fit if
- You need heating performance in cold climates down to 5°F
- You want smart control via Alexa and Wi-Fi
- You prioritize quiet operation at 29 dBA
Skip if
- You want the highest efficiency rating available at 20 SEER2
- You prefer a system that does not require line-set vacuuming
- You need coverage for areas larger than 1,000 square feet
Verdict: Della 18k BTU 19 SEER2 Mini Split is a solid choice for you if you value smart features and cold-weather heating over maximum efficiency. It fits well in rooms up to 1,000 square feet where quiet operation matters.
COSTWAY Blast Pro 18000 BTU 230V
Best for: smart control and quiet performance
- Cooling Capacity
- 18,000 BTU
- Efficiency Rating
- 20 SEER2
- Voltage
- 208/230V
- Coverage Area
- Up to 1,250 sq ft
- Heat Pump
- Heat Pump
- Smart Connectivity
- Wi-Fi, App, Alexa, Google Assistant
View on Amazon: COSTWAY Blast Pro 18000 BTU 230V Affiliate link
The COSTWAY Blast Pro 18000 BTU mini split offers 20 SEER2 efficiency on 208/230V power. It cools and heats spaces up to 1250 sq.ft. with a 4D airflow design. You get smart control via Wi-Fi, app, and voice assistants. The unit runs as low as 28 dB. It includes seven modes and eight fan speeds for precise comfort adjustments.
Pros
- 20 SEER2 efficiency rating
- Wi-Fi and app control
- Operates down to 28 dB
- 4D airflow distribution
Cons
- Heavier at 20.9 pounds
- Larger width at 35.8 inches
- Lower SEER2 than 19 SEER2 competitor
Good fit if
- You need smart app control
- You want quiet 28 dB operation
- You have 208/230V wiring
Skip if
- You prefer a lighter indoor unit
- You want the highest SEER2 rating
- You have limited wall space
Verdict: COSTWAY 18k BTU Mini Split suits users who prioritize smart connectivity and quiet operation over the absolute highest efficiency rating found in other options.
Specifications side by side
| Spec | DELLA Motto 18k BTU 19 SEER2 | COSTWAY Blast Pro 18000 BTU 230V |
|---|---|---|
| Cooling Capacity | 18,000 BTU | 18,000 BTU |
| Efficiency Rating | 19 SEER2 | 20 SEER2 |
| Voltage | 208-230V | 208/230V |
| Coverage Area | Up to 1000 sq ft | Up to 1,250 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, Alexa |
| Dimensions | 8.82 × 37 × 12.4 inches | 7.68 × 35.8 × 12 inches |
| Weight | not stated | 20.9 pounds |
| Size | 18,000 BTU - 230V - 19 SEER2 | not stated |
| Color | White | White |
| Model | 18K2VRH-19S-JA-I+O | Blast Pro |
Frequently asked questions
Which mini split is better for cold weather heating?
The Della Motto 18k BTU model is the better choice for cold weather heating. Its product data explicitly lists cold-weather heating as a primary strength. The COSTWAY Blast Pro focuses more on smart control and quiet performance instead. If you live in a colder climate, the Della unit is the more suitable option for your needs.
Do both units support smart home integration?
Yes, both the Della and COSTWAY models offer Wi-Fi connectivity for smart control. The Della unit additionally supports Alexa integration, giving you more voice assistant options. The COSTWAY model relies on Wi-Fi for app-based management. You can control either unit remotely from your smartphone, but the Della provides slightly broader compatibility with existing smart home ecosystems.
What is the difference in efficiency between these two?
The COSTWAY Blast Pro has a higher efficiency rating of 20 SEER2. The Della Motto series offers a 19 SEER2 rating. While both are efficient, the COSTWAY unit is designed to conserve more energy during operation. This difference may impact your long-term electricity usage, though both operate on the same 230V power requirement.
Which model is smaller and lighter?
The COSTWAY Blast Pro is more compact and lighter than the Della unit. It weighs 20.9 pounds and measures 35.8 inches wide. The Della model is slightly larger at 37 inches wide and does not list a weight. If space is limited or you prefer a lighter indoor unit, the COSTWAY design is the more practical choice.
Are both units suitable for large rooms?
Yes, both units provide 18,000 BTU of cooling power for large spaces. The Della model specifically covers up to 1,000 square feet. The COSTWAY model also targets large rooms with its 18,000 BTU capacity. You can use either unit for similar sized areas, though the Della explicitly states its coverage area for planning purposes.
Does the COSTWAY model support Google Assistant?
The provided product data does not mention Google Assistant support for the COSTWAY Blast Pro. It only lists Wi-Fi as its smart control feature. The Della unit explicitly supports Alexa. You should verify Google Assistant compatibility directly with the manufacturer if that specific integration is required for your smart home setup.