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You are looking for costway 9000 btu mini split alternatives because your needs may differ from the original model. The COSTWAY Blast Pro offers 20 SEER2 efficiency, 115V power, and smart controls via Wi-Fi and Alexa. It fits spaces up to 450 square feet and operates quietly at 28 dB. However, you might prefer a different capacity, a higher efficiency rating, or a specific brand like Della or YITAHOME. Some buyers need more cooling power for larger rooms, while others prioritize specific voltage requirements or unique design features.

This list compares 6 similar picks that share key specifications with the COSTWAY unit. All selected models operate on standard 115V circuits and include Wi-Fi connectivity for app and voice control. We chose these alternatives because their specs overlap with the original, ensuring they meet similar comfort and efficiency standards. Whether you need 9000 BTU for small rooms or 12000 BTU for mid-sized spaces, these options provide practical solutions. Each product is evaluated based on its published data, including SEER2 ratings, dimensions, and smart compatibility, to help you find the right fit for your home.

How these alternatives compare to COSTWAY

YITAHOME 12000 BTU 115V Mini Split

The YITAHOME 12000 BTU model covers up to 750 square feet, which is significantly larger than the COSTWAY’s 450-square-foot limit. It shares the same 20 SEER2 efficiency rating and 115V electrical requirement, so your existing outlet works for both. This unit weighs 22 pounds, making it slightly heavier than the COSTWAY’s 19.8-pound indoor unit. You get identical smart features, including Wi-Fi app control and Alexa voice commands. If you need to cool a mid-sized room rather than a small space, this larger capacity is the practical choice without sacrificing energy efficiency or smart connectivity.

DELLA Vita 12K BTU 115V Mini Split

The DELLA Vita 12000 BTU offers higher cooling capacity than the COSTWAY 9000 BTU model while maintaining a 20 SEER2 efficiency rating. It runs on the same standard 115V circuit, ensuring compatibility with your current electrical setup. This unit is slightly lighter at 18.7 pounds compared to the COSTWAY’s 19.8 pounds. It includes the same suite of smart controls, allowing Wi-Fi app access and Alexa voice integration. The 12,000 BTU output makes it better suited for medium rooms where the COSTWAY might struggle to maintain temperature. You get quiet operation and efficient cooling without needing a more complex 230V installation.

DELLA Vario 12000 BTU 115V

The DELLA Vario 12000 BTU model provides 20.5 SEER2 efficiency, which is marginally higher than the COSTWAY’s 20 SEER2 rating. It delivers 12,000 BTUs of cooling power, offering more capacity for larger spaces than the 9,000 BTU COSTWAY unit. Both models operate on 115V and feature Wi-Fi app control and Alexa compatibility. The DELLA Vario is slightly wider at 31.9 inches, matching the COSTWAY’s width. It lacks the specific weight specification in the provided data but is designed for standard 115V homes. If you prioritize slightly better efficiency and extra cooling power in a smart-enabled package, this model is a strong alternative.

DELLA Serena 9,800 BTU 115V Mini Split

The DELLA Serena 9800 BTU model offers 22 SEER2 efficiency, which is notably higher than the COSTWAY’s 20 SEER2 rating. It is designed for smaller rooms under 400 square feet, making it slightly less capable in area coverage than the COSTWAY’s 450-square-foot limit. This unit weighs only 17.6 pounds, making it the lightest option in this comparison. It shares the same 115V power requirement and includes Wi-Fi app control and Alexa voice commands. If you want the highest energy efficiency for a small space and do not need the extra capacity of the COSTWAY, this lighter, more efficient model is the ideal pick.

ROVSUN 12000 BTU Mini Split

The ROVSUN 12000 BTU model provides 21 SEER2 efficiency, which is better than the COSTWAY’s 20 SEER2 rating. It delivers 12,000 BTUs of cooling, offering more power for larger rooms than the 9,000 BTU COSTWAY unit. This unit weighs 71 pounds, which is significantly heavier than the COSTWAY’s 19.8-pound indoor unit, indicating a different construction or included components. It supports Wi-Fi app control but does not list Alexa voice compatibility in the provided data. It runs on 115V, matching the COSTWAY’s electrical needs. If you need higher capacity and efficiency without voice control, this is a robust alternative.

Della 11,500 BTU 17 SEER2 Mini Split

The DELLA 11500 BTU model offers 17 SEER2 efficiency, which is lower than the COSTWAY’s 20 SEER2 rating. It provides 11,500 BTUs of cooling, which is more capacity than the 9,000 BTU COSTWAY unit. This unit weighs only 16.5 pounds, making it the lightest in this group. It shares the same 115V power requirement and includes Wi-Fi app control and Alexa voice commands. It is designed for medium rooms where maximum efficiency is less critical than smart features and standard voltage compatibility. If you prioritize app control and adequate cooling power over the highest SEER2 rating, this model fits your needs.

#ProductBest forPrice
1COSTWAY 9000 BTU Mini Split Best overallsmall rooms needing smart 115V climate control
2YITAHOME 12000 BTU 115V Mini Split Best budgetmid-sized rooms needing smart controls
3DELLA Vita 12K BTU 115V Mini Split Also greatQuiet, efficient cooling on standard 115V circuits
4DELLA Vario 12000 BTU 115V Best premiumSmart home users needing quiet cooling
5DELLA Serena 9,800 BTU 115V Mini Split Also greatsmall rooms needing 115V efficient cooling
6ROVSUN 12000 BTU Mini Split Also greatsmart home integration and quiet comfort
7Della 11,500 BTU 17 SEER2 Mini Split Best 17 seer2standard 115V circuits and smart control
1Best overall
COSTWAY 9000 BTU Mini Split

COSTWAY 9000 BTU Mini Split

Best for: small rooms needing smart 115V climate control

Cooling Capacity
9000 BTU
Coverage Area
up to 450 sq.ft.
SEER2 Rating
20 SEER2
Voltage
115V
Smart Compatibility
WiFi, Alexa, Google Assistant, remote
Operating Modes
auto, cool, heat, dry, fan, ECO, sleep

This 9000 BTU mini split handles rooms up to 450 sq.ft. with a 20 SEER2 rating for efficient cooling and heating. It runs on standard 115V power and connects to Wi-Fi for app or voice control via Alexa. The unit operates quietly at 28 dB and includes a self-clean function. You get precise airflow with 7 modes and 8 fan speeds. It is a solid choice for smaller spaces needing year-round comfort.

Pros
  • 20 SEER2 energy efficiency rating
  • Wi-Fi and Alexa voice control
  • Operates at 28 dB for quiet performance
  • Heats reliably down to -4°F
  • Self-clean function for low maintenance
Cons
  • 9000 BTU capacity is lower than the 12000 BTU options on this list
  • 115V voltage limits use to standard outlets, unlike 208-230V models
  • Indoor unit weighs 19.8 lbs, which is heavier than some competitors
Good fit if
  • You need efficient cooling for a room up to 450 sq.ft.
  • You want to control the unit via Wi-Fi or Alexa
  • You require a 115V plug-in unit for easy installation
Skip if
  • You need more than 9000 BTU for a larger space
  • You require a 208-230V connection for higher power
  • You prefer a lighter indoor unit under 19.8 lbs

Verdict: COSTWAY 9000 BTU Mini Split delivers quiet, efficient comfort for smaller rooms. It fits buyers who want smart control and easy 115V setup without needing higher capacity.

2Best budget
YITAHOME 12000 BTU 115V Mini Split

YITAHOME 12000 BTU 115V Mini Split

Best for: mid-sized rooms needing smart controls

Cooling Capacity
12,000 BTU
Coverage Area
750 sq ft
SEER2 Rating
20
Voltage
115V
Smart Compatibility
Alexa, Wi-Fi, remote
Operating Modes
Auto, Cooling, Drying, Heating, Fan

This YITAHOME 12000 BTU mini split offers 20 SEER2 efficiency on 115V power. It covers up to 750 square feet with inverter technology that saves energy. You get five operating modes, four fan speeds, and smart controls via Wi-Fi or Alexa. The unit operates quietly at under 41 dB and handles temperatures from 5°F to 118°F. It includes a remote, install kit, and a washable filter.

Pros
  • 20 SEER2 energy efficiency rating
  • Wi-Fi and Alexa smart control
  • Quiet operation under 41 dB
  • Covers up to 750 sq. ft.
Cons
  • Lower SEER2 rating than the DELLA Serena Series at 22 SEER2
  • Heavier indoor unit at 22 pounds compared to lighter competitors
  • Smaller coverage area of 750 sq. ft. versus 12000 BTU models covering larger spaces
Good fit if
  • You need efficient cooling and heating for a 750 sq. ft. room
  • You want smart control via Wi-Fi or Alexa
  • You prefer quiet operation under 41 dB
Skip if
  • You require the highest SEER2 rating available on this list
  • You need to cool a space larger than 750 sq. ft.
  • You want a lighter indoor unit for easier mounting

Verdict: YITAHOME 12000 BTU Mini Split provides solid 20 SEER2 efficiency and smart features for mid-sized rooms, making it a practical pick for those prioritizing quiet operation and app control over maximum efficiency.

3Also great
DELLA Vita 12K BTU 115V Mini Split

DELLA Vita 12K BTU 115V Mini Split

Best for: Quiet, efficient cooling on standard 115V circuits

Cooling Capacity
12,000 BTU
Coverage Area
550 sq ft
SEER2 Rating
20
Voltage
115V
Smart Compatibility
Alexa, Google Assistant, DELLA App
Features
Inverter

The DELLA Vita Series 12000 BTU Mini Split Air Conditioner offers 20 SEER2 efficiency on a 115V circuit. It cools and heats spaces up to 550 sq. ft. with DC inverter technology. The unit operates at 28 dB and includes smart controls via Alexa and the app. An "I Feel" sensor adjusts airflow based on remote location. It comes with a 16ft copper line set and requires professional installation.

Pros
  • 20 SEER2 energy efficiency rating
  • Ultra-quiet 28 dB operation
  • Alexa and app compatibility
  • "I Feel" sensor for remote-based temperature reading
  • Heating performance down to -4°F
Cons
  • 12000 BTU capacity is lower than several 12000-12000 BTU competitors listed
  • Requires professional installation for vacuuming and refrigerant balance
  • Maximum fuse size limited to 25A
Good fit if
  • You need a 115V unit for a standard outlet
  • You value ultra-quiet operation at 28 dB
  • You want smart control via Alexa or the app
Skip if
  • You require a 230V connection for higher power
  • You prefer a self-installation without a professional
  • You need a unit with a higher BTU capacity than 12000

Verdict: DELLA Vita 12000 BTU Mini Split suits those who need quiet, smart-cooled comfort on a standard 115V circuit. It delivers efficient cooling for medium rooms without requiring complex electrical upgrades.

4Best premium
DELLA Vario 12000 BTU 115V

DELLA Vario 12000 BTU 115V

Best for: Smart home users needing quiet cooling

Cooling Capacity
12000 BTU/h, 1 tons
Coverage Area
Up to 550 Sq. Ft
SEER2 Rating
20.5 SEER2
Voltage
110-120V
Smart Compatibility
Alexa, Wi-Fi, remote control
Operating Modes
Cooling, heating, dry

The DELLA Vario Series delivers 12,000 BTU of cooling and heating for spaces up to 550 square feet. It operates on 115V power with a 20.5 SEER2 efficiency rating. You get smart control via Wi-Fi and Alexa voice commands. The unit runs quietly at 28 dBa and features 4D air flow. Professional installation is required to ensure proper refrigerant levels and system performance.

Pros
  • 20.5 SEER2 energy efficiency rating
  • Wi-Fi and Alexa smart compatibility
  • Ultra-quiet 28 dBa operation level
  • 4D air flow direction control
  • Works in temperatures down to -4°F
Cons
  • Lower SEER2 rating (20.5) compared to the DELLA Serena (22 SEER2) on this list
  • Requires professional installation rather than a DIY setup
  • Maximum fuse size is 25A, requiring specific electrical circuit capacity
Good fit if
  • You want smart home integration with Alexa
  • You need quiet operation for a bedroom or office
  • You have a 115V electrical outlet available
Skip if
  • You prefer a higher efficiency rating like 22 SEER2
  • You are looking for a DIY installation kit
  • You need heating performance below -4°F

Verdict: DELLA Vario 12000 BTU Mini Split suits users who prioritize smart features and quiet operation over the highest possible efficiency rating. It is a solid mid-range option for standard 115V homes.

5Also great
DELLA Serena 9,800 BTU 115V Mini Split

DELLA Serena 9,800 BTU 115V Mini Split

Best for: small rooms needing 115V efficient cooling

Cooling Capacity
9,800 BTU
Coverage Area
Up to 400 sq ft
SEER2 Rating
22
Voltage
115V
Smart Compatibility
Alexa, Google Home, WiFi, remote
Operating Modes
Cooling, heating, auto, dry

The DELLA Serena Series 9800 BTU Mini Split AC offers 22 SEER2 efficiency on a standard 115V circuit. It includes inverter technology for steady temperature control and smart features like Alexa compatibility and geo-location. This unit covers rooms up to 400 square feet. It is a strong option for those needing reliable heating and cooling in smaller spaces without requiring a 230V outlet.

Pros
  • High 22 SEER2 energy efficiency rating
  • Operates on standard 115V power
  • Includes Alexa and Google Home voice control
  • Ultra-quiet 24 dBa mute mode operation
  • Inverter technology for stable temperature
Cons
  • 9800 BTU capacity is lower than the 12,000 BTU models on this list
  • 17.6-pound indoor unit weight is heavier than some competitors
  • Maximum coverage area of 400 square feet is smaller than larger units
Good fit if
  • You need a 115V plug-in unit for a 400 square foot room
  • You want high energy efficiency with a 22 SEER2 rating
  • You prefer smart home integration with Alexa
Skip if
  • You require more than 9800 BTU of cooling power
  • You need a unit larger than 400 square feet coverage
  • You only have a 230V electrical circuit available

Verdict: DELLA Serena 9800 BTU Mini Split is ideal for homeowners who need efficient, smart-controlled cooling in smaller rooms under 400 square feet. It fits users who want high SEER2 performance without installing a 230V outlet.

6Also great
ROVSUN 12000 BTU Mini Split

ROVSUN 12000 BTU Mini Split

Best for: smart home integration and quiet comfort

Cooling Capacity
12000 BTU
Coverage Area
up to 550 sq.ft.
SEER2 Rating
20 SEER2
Voltage
115V
Smart Compatibility
app, Alexa, Google Assistant, remote
Operating Modes
cooling, heating, dehumidification

This ROVSUN unit offers 12000 BTU cooling and heating for spaces up to 550 sq. ft. It uses inverter technology to reach a 20 SEER2 rating on 115V power. You get Wi-Fi control via app or voice assistants like Alexa. The indoor unit weighs 71 pounds and measures 31.9 inches wide. It operates quietly at 28 dB in mute mode. This pick suits those needing smart features and efficient year-round climate control.

Pros
  • 20 SEER2 energy efficiency rating
  • Wi-Fi and voice control compatibility
  • Ultra-quiet 28 dB operation in mute mode
  • Inverter technology for energy savings
Cons
  • Heavier 71-pound build than some competitors
  • Lower 20 SEER2 rating compared to 22 SEER2 models
  • Standard 115V voltage limits high-power options
Good fit if
  • You want Wi-Fi app and voice control
  • You need quiet 28 dB operation
  • You have a 550 sq. ft. space
Skip if
  • You need 22 SEER2 efficiency
  • You prefer lighter units under 71 lbs
  • You require 230V power connection

Verdict: ROVSUN 12000 BTU Mini Split fits users who prioritize smart connectivity and quiet operation over maximum efficiency ratings.

7Best 17 seer2
Della 11,500 BTU 17 SEER2 Mini Split

Della 11,500 BTU 17 SEER2 Mini Split

Best for: standard 115V circuits and smart control

Cooling Capacity
11500 BTU/h
Coverage Area
Up to 550 Sq. Ft
SEER2 Rating
17 SEER2
Voltage
115V
Smart Compatibility
Alexa, DELLA app, remote control
Operating Modes
Cooling, heating, dry

This 11500 BTU mini split offers 17 SEER2 efficiency on a standard 115V circuit. It covers up to 550 square feet with a quiet 29 dBa operation. You get smart control via the app and Alexa, plus a 4D airflow system. The unit includes a 16.4ft installation kit. It suits you if you need reliable heating down to 5 degrees Fahrenheit for a medium-sized room.

Pros
  • 17 SEER2 energy efficiency rating
  • Ultra-quiet 29 dBa noise level
  • Works with Alexa and Wi-Fi app
  • Covers up to 550 square feet
  • 4D airflow for even distribution
Cons
  • 17 SEER2 is lower than the 20 or 22 SEER2 options on this list
  • 11500 BTU capacity is less than the 12000 BTU alternatives
  • 115V voltage limits power compared to 230V models
Good fit if
  • You want smart control via Alexa
  • You need quiet operation under 30 dBa
  • You have a standard 115V outlet
Skip if
  • You need the highest SEER2 rating available
  • You require more than 11500 BTU cooling
  • You prefer 230V high-power systems

Verdict: DELLA 11500 BTU 17 SEER2 Mini Split provides solid smart features and quiet performance for medium rooms. It fits you if you prioritize app control and standard voltage over maximum efficiency.

Specifications side by side

SpecCOSTWAY 9000 BTU Mini SplitYITAHOME 12000 BTU 115V Mini SplitDELLA Vita 12K BTU 115V Mini SplitDELLA Vario 12000 BTU 115VDELLA Serena 9,800 BTU 115V Mini SplitROVSUN 12000 BTU Mini SplitDella 11,500 BTU 17 SEER2 Mini Split
Cooling Capacity9000 BTU12,000 BTU12,000 BTU12000 BTU/h, 1 tons9,800 BTU12000 BTU11500 BTU/h
Coverage Areaup to 450 sq.ft.750 sq ft550 sq ftUp to 550 Sq. FtUp to 400 sq ftup to 550 sq.ft.Up to 550 Sq. Ft
SEER2 Rating20 SEER2202020.5 SEER22220 SEER217 SEER2
Voltage115V115V115V110-120V115V115V115V
Smart CompatibilityWiFi, Alexa, Google Assistant, remoteAlexa, Wi-Fi, remoteAlexa, Google Assistant, DELLA AppAlexa, Wi-Fi, remote controlAlexa, Google Home, WiFi, remoteapp, Alexa, Google Assistant, remoteAlexa, DELLA app, remote control
Operating Modesauto, cool, heat, dry, fan, ECO, sleepAuto, Cooling, Drying, Heating, Fan–Cooling, heating, dryCooling, heating, auto, drycooling, heating, dehumidificationCooling, heating, dry
FeaturesInverterInverter, CoverInverterInverterInverterInverterInverter
Control MethodWi-Fi, Wi-Fi App Control, Wi-Fi App, Voice ControlWi-Fi, Wi-Fi App Control, Wi-Fi App, Voice ControlWi-Fi, Wi-Fi App Control, Wi-Fi App, Voice ControlWi-Fi, Wi-Fi App Control, Wi-Fi App, Voice ControlWi-Fi, Wi-Fi App Control, Wi-Fi App, Voice ControlWi-Fi, Wi-Fi App Control, Wi-Fi AppWi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control
ColorWhiteWhiteWhiteWhiteWhiteWhiteWhite
Operating ModeHeaterHeaterHeaterHeaterHeaterHeaterHeater
SEER Rating20 SEER220 SEER220 SEER2––20 SEER217 SEER2
Dimensions7.48 × 31.9 × 12.1 inches7.9 × 31.2 × 11.5 inches7.48 × 31.9 × 12 inches8 × 31.9 × 11.5 inches7.87 × 30.2 × 11.8 inches7.99 × 31.9 × 11.5 inches7.94 × 30.6 × 9.81 inches
Weight19.8 pounds22 pounds18.7 pounds–17.6 pounds71 pounds16.5 pounds
ModelBlast ProMAYIH4qu0kTC-12K1VR-20S-I+OTL-12K1VB-21S-I+O9K1VR-22S-M-I+ORV12T1/20-I/RV12T1/20-OIF-11K1VR-17S-I+O
Size––12,000 BTU – 115V / 20 SEER212,000 BTU – 115V / 20.5 SEER29,800 BTU 115V – 22 SEER212000BTU, 115V, 21SEER2 – WiFi11,500 BTU 115V – 17 SEER2

Frequently asked questions

Which mini split is best for small rooms under 400 square feet?

The DELLA Serena 9800 BTU model is ideal for smaller spaces. It delivers 22 SEER2 efficiency, which is the highest rating in this group. The unit operates on standard 115V power and includes Wi-Fi app control for easy management. Its compact size fits well in tighter areas without requiring complex electrical upgrades.

Does the YITAHOME 12000 BTU unit cover larger areas than the COSTWAY?

Yes, the YITAHOME 12000 BTU unit covers up to 750 square feet. This is significantly larger than the COSTWAY Blast Pro, which is rated for smaller rooms. Both units share a 20 SEER2 efficiency rating and use 115V power. You get smart controls and voice compatibility with both options.

Are all these alternatives compatible with Alexa voice control?

Most models in this list support Alexa voice control. The COSTWAY Blast Pro, YITAHOME 12000 BTU, both DELLA Vita and Vario models, the DELLA Serena, and the DELLA 11500 BTU all list Alexa compatibility. The ROVSUN 12000 BTU model does not explicitly list voice control in its attributes, though it includes Wi-Fi app control.

Which model offers the highest energy efficiency rating?

The DELLA Serena 9800 BTU Mini Split offers the highest efficiency at 22 SEER2. The DELLA Vario 12000 BTU follows closely with a 20.5 SEER2 rating. The remaining models, including the COSTWAY Blast Pro and YITAHOME, provide a solid 20 SEER2 rating. Higher SEER2 numbers indicate better energy efficiency during operation.

Do these units provide heating as well as cooling?

Yes, all listed models operate as heat pumps. Each product data sheet lists Heating or Heater as an operating mode. They use inverter technology to adjust compressor speed for efficient temperature regulation. This allows you to switch between cooling and heating functions seamlessly depending on the season.

Which mini split is the lightest to install?

The DELLA 11500 BTU 17 SEER2 model is the lightest at 16.5 pounds. The DELLA Serena 9800 BTU is next at 17.6 pounds. The COSTWAY Blast Pro weighs 19.8 pounds. The ROVSUN 12000 BTU is significantly heavier at 71 pounds. Lighter units may be easier to handle during mounting.

Can I control these mini splits using a smartphone app?

All seven models include Wi-Fi app control capabilities. You can manage settings remotely via your smartphone. Most also support voice commands through Alexa. This allows you to adjust temperatures, modes, and schedules from anywhere with an internet connection, providing convenient climate management for your home.

See also