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The Della Econo 11,500 BTU 230V handles small rooms up to 550 square feet with quiet 33 dBa operation and smart Wi-Fi control. It offers 17 SEER2 efficiency and heats down to 5 degrees Fahrenheit. Many buyers seeking della econo 11500 btu 230v alternatives want different coverage areas or higher efficiency ratings. Some need stronger cooling for larger spaces, while others prioritize specific voltage requirements or distinct feature sets like enhanced quiet modes. The units on this list share core specifications with the original, such as 230V operation and inverter technology, ensuring they fit similar installation environments.
You might look elsewhere if your room exceeds 550 square feet, as this model lacks the capacity for larger areas. Others may prefer a higher SEER2 rating for better energy savings or a different smart home ecosystem. This guide compares 6 options that overlap with the original’s key specs, including Wi-Fi app control and heating functions. Each alternative targets specific needs, from budget-friendly medium-room solutions to high-efficiency large-room systems. You can compare their BTU output, coverage area, and noise levels to find the best fit for your space.
Comparing these 6 models to Della Econo
DELLA Econo 11,500 BTU 230V
This is the reference unit. It covers 550 square feet with 11,500 BTU and 17 SEER2 efficiency. It operates quietly at 33 dBa and includes a 230V connection. The unit measures 30.6 inches wide and weighs 67.2 pounds. It supports Wi-Fi and Alexa control. This model serves as the baseline for comparing coverage, efficiency, and physical dimensions against the alternatives listed below.
YITAHOME 12000 BTU 230V Mini Split
The YITAHOME 12,000 BTU model offers more cooling power for medium rooms up to 750 square feet. It shares the same 17 SEER2 efficiency and 230V voltage as the Della Econo. You get similar smart control via Wi-Fi and Alexa. The main difference is the larger coverage area. This unit is slightly wider at 31.2 inches. It weighs significantly less at 21.1 pounds. Choose this if you need extra capacity for a larger space without sacrificing efficiency or smart features.
Della Vario 24K BTU 21 SEER2
The Della Vario 24K provides double the cooling capacity at 24,000 BTU for large rooms. It achieves higher efficiency with a 21 SEER2 rating compared to the Econo's 17 SEER2. Both use 230V power and offer Wi-Fi and Alexa control. The Vario is much larger, measuring 46.9 inches wide and weighing 36.4 pounds. It is heavier and bulkier than the compact Econo. Pick this model if you need substantial cooling for a big area and value higher energy savings over a smaller footprint.
DELLA CloudAir 9000 BTU 22 SEER2
The Della CloudAir 9,000 BTU unit is smaller and more efficient than the Econo. It offers 22 SEER2 efficiency, beating the 17 SEER2 rating of the reference model. It covers less area with 9,000 BTU but provides gentler, indirect cooling. It shares the same 230V voltage and smart control features. The unit is lighter at 16.5 pounds and similar in width. Choose this if you want higher efficiency and softer airflow for a small room, accepting lower raw cooling power.
DELLA Vita 24K BTU 20 SEER2
The Della Vita 24K delivers strong 24,000 BTU cooling for large rooms with 20 SEER2 efficiency. This beats the Econo's 17 SEER2 rating significantly. It uses the same 230V power and supports Wi-Fi and Alexa control. The Vita is wider at 39.6 inches and lighter at 26.5 pounds. It provides more cooling capacity and better efficiency. Select this model if you need powerful cooling for a large space while prioritizing energy savings and smart integration over the compact size of the Econo.
COSTWAY Blast Pro 18000 BTU 230V
The COSTWAY Blast Pro covers 1,250 square feet with 18,000 BTU, far exceeding the Econo's 550 square feet limit. It offers 20 SEER2 efficiency, which is better than the 17 SEER2 rating. It supports 208-230V power and includes Wi-Fi and Alexa control. The unit is wider at 35.8 inches but lighter at 20.9 pounds. Choose this if you need to cool a much larger area. It provides higher efficiency and broader coverage than the smaller Della Econo model.
Rellytech 18k BTU 21 SEER2 Mini Split
The Rellytech 18K offers 21 SEER2 efficiency, surpassing the Econo's 17 SEER2 rating. It covers up to 1,250 square feet with 18,000 BTU, providing more capacity than the 11,500 BTU Econo. It uses 230V power and supports Wi-Fi control. The unit is wider at 39.6 inches and significantly heavier at 95.1 pounds. It lacks Alexa compatibility in the listed specs. Pick this if you prioritize high efficiency and large coverage in a 230V setup, accepting the weight and lack of voice control.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | DELLA Econo 11,500 BTU 230V Best overall | small rooms under 550 sq. ft. | |
| 2 | YITAHOME 12000 BTU 230V Mini Split Best budget | Medium rooms needing 230V smart control | |
| 3 | Della Vario 24K BTU 21 SEER2 Best premium | large rooms needing strong cooling and smart control | |
| 4 | DELLA CloudAir 9000 BTU 22 SEER2 Also great | small rooms needing gentle, indirect cooling | |
| 5 | DELLA Vita 24K BTU 20 SEER2 Also great | large rooms needing strong cooling and quiet operation | |
| 6 | COSTWAY Blast Pro 18000 BTU 230V Best 208-230v | large rooms with 208-230V power | |
| 7 | Rellytech 18k BTU 21 SEER2 Mini Split Best quiet operation | Quiet 230V cooling and heating |
DELLA Econo 11,500 BTU 230V
Best for: small rooms under 550 sq. ft.
- 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
- Operating Modes
- Cooling, heating, dry
This 11,500 BTU mini split handles cooling and heating for spaces up to 550 square feet. It runs on 230V power with a 17 SEER2 efficiency rating. The unit features inverter technology for stable temperatures and quiet 33 dBa operation. You get smart control via Wi-Fi and Alexa compatibility. It includes a full installation kit for professional setup.
- 11,500 BTU capacity for rooms up to 550 sq. ft.
- 17 SEER2 energy efficiency rating with DC Inverter technology.
- Ultra-quiet operation at 33 dBa noise level.
- Smart control via Wi-Fi app and Alexa voice commands.
- Includes full 16.4ft installation kit with pre-charged lines.
- 11,500 BTU capacity is lower than many alternatives offering 18,000 or 24,000 BTU.
- 17 SEER2 efficiency rating is lower than competitors reaching 20 or 21 SEER2.
- Requires professional installation and line-set vacuuming, not a DIY setup.
- You need a 230V unit for a room under 550 square feet.
- You want smart control through Alexa or a dedicated app.
- You prefer quiet operation with noise levels as low as 33 dBa.
- You require higher cooling power for larger spaces than 550 square feet.
- You are looking for the highest possible SEER2 efficiency ratings.
- You want to perform the installation yourself without professional help.
Verdict: Della Econo 11,500 BTU Mini Split suits those who need a compact, quiet 230V unit for smaller rooms and value smart home integration over raw power or peak efficiency.
YITAHOME 12000 BTU 230V Mini Split
Best for: Medium rooms needing 230V smart control
- Cooling Capacity
- 12000 BTU
- Coverage Area
- Up to 750 Sq. Ft
- SEER2 Rating
- 17 SEER2
- Voltage
- 208-230V
- Smart Compatibility
- Alexa, Wi-Fi, remote
- Operating Modes
- Auto, Cooling, Drying, Heating, Fan
The YITAHOME 12000 BTU mini split offers 17 SEER2 efficiency on 208-230V power. It covers 750 sq. ft. with inverter technology that saves energy compared to lower SEER2 models. You get five operating modes and four fan speeds. The unit runs quietly at under 41 dB. Smart features include Wi-Fi and Alexa compatibility. It heats and cools effectively in moderate climates.
- 17 SEER2 energy efficiency rating
- Works on 208-230V power
- Covers up to 750 sq. ft.
- Quiet operation under 41 dB
- Wi-Fi and Alexa smart control
- Lower 17 SEER2 rating compared to 21 SEER2 competitors
- Smaller 12000 BTU capacity than 18000 BTU options
- Heavier 21.1 lb indoor unit than lighter alternatives
- You need a 230V unit for a 750 sq. ft. space
- You want smart control via Wi-Fi and Alexa
- You prioritize quiet operation under 41 dB
- You require higher than 17 SEER2 efficiency
- You need to cool more than 750 sq. ft.
- You prefer a lighter indoor unit under 21 lbs
Verdict: YITAHOME 12000 BTU Mini Split fits users who need reliable 230V cooling for medium rooms with smart home integration.
Della Vario 24K BTU 21 SEER2
Best for: large rooms needing strong cooling and smart control
- Cooling Capacity
- 24,000 BTU/h, 2 tons
- Coverage Area
- Up to 1500 Sq. Ft
- SEER2 Rating
- 21 SEER2
- Voltage
- 208–230V
- Smart Compatibility
- Alexa, Wi-Fi, remote control
- Operating Modes
- Cooling, heating, dry, auto
The DELLA Vario Series 24000 BTU mini split offers robust cooling and heating for spaces up to 1500 square feet. It operates on 230V with a 21 SEER2 rating, ensuring efficient energy use. You get smart control via Wi-Fi and Alexa, plus a remote sensor for precise temperature adjustments. This unit runs quietly at 36 dBA and handles low temperatures down to -4°F, making it a solid choice for larger rooms or open areas.
- 24,000 BTU capacity covers up to 1500 square feet
- 21 SEER2 efficiency rating with 208–230V operation
- Smart sensor in remote adjusts airflow for personal comfort
- Quiet operation at just 36 dBA for bedrooms
- Works with Alexa and Wi-Fi app control
- Lower SEER2 rating (21) compared to 21-23 SEER2 options in this list
- Heavier indoor unit at 36.4 pounds, which is bulkier than smaller models
- Requires professional installation and is not a DIY unit
- You need to cool or heat a large room up to 1500 square feet
- You want smart home integration with Alexa and Wi-Fi control
- You live in an area with cold winters down to -4°F
- You are looking for the highest energy efficiency rating available
- You prefer a lightweight unit that is easy to handle
- You want a DIY installation without professional help
Verdict: DELLA Vario 24000 BTU Mini Split is a powerful option for those needing substantial cooling capacity for larger spaces. It fits buyers who value smart features and reliable performance in colder climates.
DELLA CloudAir 9000 BTU 22 SEER2
Best for: small rooms needing gentle, indirect cooling
- Cooling Capacity
- 9000 BTU (0.75 Ton)
- Coverage Area
- up to 400 Sq.Ft
- SEER2 Rating
- 22 SEER2
- Voltage
- 230V
- Smart Compatibility
- WiFi, DELLA app, Alexa, Google Home
- Features
- Inverter
The DELLA Serena CloudAir 9000 BTU mini split offers 22 SEER2 efficiency on a 230V circuit. It targets small rooms up to 400 sq.ft. with inverter technology and soft airflow to avoid direct drafts. The unit includes WiFi app control, voice compatibility, and a base pan heater for cold climates. This model is ideal for users prioritizing comfort and energy savings in smaller spaces.
- High 22 SEER2 energy efficiency rating
- Soft airflow design prevents direct drafts
- WiFi app and voice control support
- Base pan heater for low-temp reliability
- Lower 9000 BTU capacity than 11500 BTU alternatives
- Limited to spaces up to 400 sq.ft
- Heavier 16.5 lb indoor unit than some competitors
- You need cooling for a room under 400 sq.ft
- You want soft, indirect airflow for sleeping
- You have a 230V electrical circuit available
- You need to cool a large open area
- You require a 115V plug-in unit
- You prefer a lighter indoor wall unit
Verdict: DELLA Serena CloudAir 9000 BTU 230V is a quiet, efficient choice for small rooms where direct airflow is a concern. It fits buyers who value soft cooling and smart features in a compact, 230V system.
DELLA Vita 24K BTU 20 SEER2
Best for: large rooms needing strong cooling and quiet operation
- Cooling Capacity
- 24,000 BTU (2 Ton)
- Coverage Area
- Up to 1,500 sq ft
- SEER2 Rating
- 20 SEER2
- Voltage
- 230V
- Smart Compatibility
- Alexa, Google Assistant, DELLA App
- Features
- Inverter
The Della Vita 24000 BTU mini split uses 230V power and 20 SEER2 efficiency to cool spaces up to 1500 square feet. It features DC inverter technology for stable temperatures and operates quietly at 34 dB. The unit includes an I Feel sensor for precise remote-based control. This model suits large rooms or open areas where strong cooling capacity and energy savings are priorities.
- 20 SEER2 energy efficiency rating
- 24000 BTU cooling capacity for large spaces
- Ultra-quiet 34 dB operation level
- I Feel sensor tracks remote temperature
- Works with Alexa and Google Assistant
- Lower 20 SEER2 rating than the 21 SEER2 competitors
- Heavier 26.5 pound weight compared to lighter units
- Smaller 1500 sq ft coverage limit
- You need strong cooling for a 1500 sq ft area
- You want quiet operation for a bedroom or office
- You prefer smart control via voice assistants
- You require the highest 21 SEER2 efficiency available
- You need to cool a space larger than 1500 sq ft
- You are on a 115V circuit only
Verdict: DELLA Vita 24000 BTU 230V AC delivers reliable cooling for large rooms with quiet performance. It fits users who value smart features and stable temperatures over maximum energy efficiency.
COSTWAY Blast Pro 18000 BTU 230V
Best for: large rooms with 208-230V power
- Cooling Capacity
- 18000 BTU
- Coverage Area
- Up to 1250 sq ft
- SEER2 Rating
- 20 SEER2
- Voltage
- 208/230V
- Smart Compatibility
- Alexa, Google Assistant, Wi-Fi, remote
- Operating Modes
- Auto, cool, heat, dry, fan, ECO, sleep
The COSTWAY Blast Pro is a 18000 BTU mini split designed for spaces up to 1250 square feet. It runs on 208-230V power and achieves a 20 SEER2 efficiency rating. You get Wi-Fi app control, voice compatibility with Alexa, and 7 operating modes. The unit operates quietly at 28 dB and includes a self-clean function. This model suits you if you need reliable heating and cooling in a large room with existing 208-230V wiring.
- 20 SEER2 energy efficiency rating
- Works with 208-230V power supply
- Covers areas up to 1250 sq. ft.
- Wi-Fi and Alexa voice control
- Quiet operation at 28 dB
- Lower SEER2 rating than the 21 SEER2 competitors
- Smaller 18000 BTU capacity than the 24000 BTU options
- Heavier indoor unit at 20.9 pounds
- You need a unit for a 1250 sq. ft. space
- You have a 208-230V electrical circuit available
- You want smart app and voice control
- You only have a standard 115V outlet
- You need the highest 21 SEER2 efficiency available
- You require a 24000 BTU capacity for larger zones
Verdict: COSTWAY Blast Pro 18000 BTU 208-230V is a solid mid-capacity choice for larger rooms with 208-230V wiring. You should pick this if you prioritize smart features and quiet operation over the highest efficiency or maximum BTU output.
Rellytech 18k BTU 21 SEER2 Mini Split
Best for: Quiet 230V cooling and heating
- Cooling Capacity
- 18,000 BTU
- Coverage Area
- up to 1250 sq ft
- SEER2 Rating
- 21
- Voltage
- 208V/230V
- Smart Compatibility
- Wi-Fi, voice commands, remote
- Operating Modes
- cooling, heat pump, dry, fan-only, eco
The Rellytech 18000 BTU mini split offers 21 SEER2 efficiency and 230V power. It covers up to 750 square feet with quiet operation. The unit includes Wi-Fi control and a digital remote. It works in temperatures from -13°F to 122°F. This system suits you if you need reliable heating and cooling for medium spaces. The 95.1-pound indoor unit requires professional installation.
- 21 SEER2 energy efficiency rating
- Quiet operation mode for low noise
- Wi-Fi and app control included
- Wide operating range from -13°F to 122°F
- 18000 BTU capacity is lower than the 24000 BTU options
- 21 SEER2 is lower than the 24000 BTU unit's 21 SEER2 and the 18000 BTU COSTWAY's 20 SEER2
- 95.1-pound weight is heavier than lighter models
- You need 230V power for your installation
- You want quiet operation for a bedroom or living area
- You require smart Wi-Fi control for scheduling
- You need more than 18000 BTU for large rooms
- You only have 115V outlets available
- You prefer a lighter indoor unit under 90 pounds
Verdict: Rellytech 18000 BTU 230V Mini Split fits you if you prioritize quiet operation and smart control in a 230V setup. It delivers solid efficiency for spaces up to 750 square feet.
Specifications side by side
| Spec | DELLA Econo 11,500 BTU 230V | YITAHOME 12000 BTU 230V Mini Split | Della Vario 24K BTU 21 SEER2 | DELLA CloudAir 9000 BTU 22 SEER2 | DELLA Vita 24K BTU 20 SEER2 | COSTWAY Blast Pro 18000 BTU 230V | Rellytech 18k BTU 21 SEER2 Mini Split |
|---|---|---|---|---|---|---|---|
| Cooling Capacity | 11500 BTU/h | 12000 BTU | 24,000 BTU/h, 2 tons | 9000 BTU (0.75 Ton) | 24,000 BTU (2 Ton) | 18000 BTU | 18,000 BTU |
| Coverage Area | Up to 550 Sq. Ft | Up to 750 Sq. Ft | Up to 1500 Sq. Ft | up to 400 Sq.Ft | Up to 1,500 sq ft | Up to 1250 sq ft | up to 1250 sq ft |
| SEER2 Rating | 17 SEER2 | 17 SEER2 | 21 SEER2 | 22 SEER2 | 20 SEER2 | 20 SEER2 | 21 |
| Voltage | 208-230V | 208-230V | 208–230V | 230V | 230V | 208/230V | 208V/230V |
| Smart Compatibility | Alexa, DELLA app, remote control | Alexa, Wi-Fi, remote | Alexa, Wi-Fi, remote control | WiFi, DELLA app, Alexa, Google Home | Alexa, Google Assistant, DELLA App | Alexa, Google Assistant, Wi-Fi, remote | Wi-Fi, voice commands, remote |
| Operating Modes | Cooling, heating, dry | Auto, Cooling, Drying, Heating, Fan | Cooling, heating, dry, auto | – | – | Auto, cool, heat, dry, fan, ECO, sleep | cooling, heat pump, dry, fan-only, eco |
| Features | Inverter | Inverter, Cover | Inverter | Inverter | Inverter | Inverter | Inverter, Quiet Operation |
| 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 | Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control | Wi-Fi, Wi-Fi App Control, Wi-Fi App |
| Color | White | White | White | White | White | White | White |
| Operating Mode | Heater | Heater | Heater | Heater | Heater | Heater | Heater |
| SEER Rating | 17 SEER2 | 17 SEER2 | – | – | 20 SEER2 | 20 SEER2 | – |
| Dimensions | 7.91 × 30.6 × 9.84 inches | 7.9 × 31.2 × 11.5 inches | 10.3 × 46.9 × 14.2 inches | 7.9 × 30.2 × 11.8 inches | 8.66 × 39.6 × 12.6 inches | 7.68 × 35.8 × 12 inches | 9.45 × 39.6 × 12.4 inches |
| Weight | 67.2 pounds | 21.1 pounds | 36.4 pounds | 16.5 pounds | 26.5 pounds | 20.9 pounds | 95.1 pounds |
| Size | 11,500 BTU 230V – 17 SEER2 | – | 24,000 BTU – 230V / 21 SEER2 | CloudAir – 9,000 BTU 230V – 22 SEER2 | 24,000 BTU – 230V / 20 SEER2 | – | 18000BTU,230V,21 SEER2-WiFi |
| Model | IF-11K2VR-17S-I+O | MAYIHNONuN | TL-24K2VB-21S-I+O | 9K2VR-22S-MX-I+O | TC-24K2VR-20S-I+O | Blast Pro | CE0-1 |
Frequently asked questions
Which alternative offers the best energy efficiency for a small room?
The Della CloudAir 9000 BTU 22 SEER2 provides the highest efficiency rating in this group. Its 22 SEER2 score means it uses less electricity to produce the same cooling output compared to the 17 SEER2 Della Econo. This makes it a smarter long-term choice for power savings in spaces under 550 square feet.
Can I control these mini splits with voice commands?
Yes, every listed model supports voice control through Amazon Alexa. You can pair each unit with the Wi-Fi app to enable hands-free operation. This feature is standard across the Della, YITAHOME, COSTWAY, and Rellytech options, allowing you to adjust temperatures without reaching for a physical remote.
Which unit is best for heating in cold weather?
The Della Econo 11,500 BTU 230V is rated for heating down to 5 degrees Fahrenheit. While all models include heating modes, this specific threshold makes it suitable for colder climates. Other units like the YITAHOME 12000 BTU also offer heating but do not specify such low operational limits in their data.
What is the largest coverage area available in this list?
The COSTWAY Blast Pro 18000 BTU 230V covers up to 1,250 square feet. This is the highest coverage area listed, making it ideal for large open spaces. The Rellytech 18k BTU also claims a 1,250 square foot rating, offering a comparable capacity for larger rooms needing 230V power.
Are there options with higher BTU output than 11,500?
Several alternatives provide significantly more cooling power. The Della Vario and Della Vita both offer 24,000 BTU for large rooms. The COSTWAY Blast Pro and Rellytech 18k deliver 18,000 BTU. These units are better suited for spaces larger than the 550 square feet the Della Econo handles.
Which model is the most compact in terms of weight?
The COSTWAY Blast Pro 18000 BTU is the lightest at 20.9 pounds. The YITAHOME 12000 BTU follows closely at 21.1 pounds. In contrast, the Della Econo weighs 67.2 pounds, and the Rellytech is significantly heavier at 95.1 pounds. Lighter units may be easier to handle during installation.
Do all these units operate on 230V power?
Most models listed require a 230V connection. The COSTWAY Blast Pro is unique in that it supports both 208V and 230V. This dual-voltage capability allows it to fit into electrical systems that may not have a strict 230V supply, offering more flexibility for different home wiring setups.