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The COSTWAY 9100 BTU 115V Mini Split offers 20.5 SEER2 cooling efficiency and 10000 BTU of heating for spaces up to 450 sq ft. If you need costway 9100 btu mini split alternatives, you might want more cooling power, different voltage requirements, or smart app controls. This unit runs quietly at 23 dB and includes a remote with 4D airflow, but its 9100 BTU capacity limits its use in larger rooms.
We selected these alternatives because their specifications overlap with the original model’s core features, such as 115V operation and inverter technology. The list includes options with higher SEER2 ratings like the Temprium’s 22 SEER2, or greater cooling capacity with 12000 BTU units. Some models add Wi-Fi app control or voice assistant compatibility, which the original lacks. Others focus on budget-friendly pricing or specific performance traits. You can compare the specs to find the right fit for your room size and electrical setup.
How these units differ from COSTWAY
Rellytech 12000 BTU 20 SEER2 Mini Split
The Rellytech model steps up to 12,000 BTU cooling capacity, covering 750 sq ft instead of the COSTWAY’s 450 sq ft limit. It maintains the same 115V plug requirement, so you do not need new wiring. Both units share a 20 SEER2 rating for cooling efficiency. The Rellytech adds Wi-Fi app control, whereas the COSTWAY relies on a standard remote. This makes the Rellytech better for medium rooms where you want to adjust settings from your phone. It is heavier, weighing 75.3 pounds compared to 17.6 pounds, due to its larger compressor. Choose this if you need more airflow and smart features without changing your electrical setup.
Albott 12,000 BTU 115V Mini Split
The Albott unit offers 12,000 BTU cooling for 750 sq ft spaces, doubling the coverage of the COSTWAY 9100 BTU model. It runs on 115V and provides 18 SEER2 efficiency, which is slightly lower than the COSTWAY’s 20.5 SEER2 rating. However, it includes smart app control and remote operation, matching the COSTWAY’s remote capability while adding Wi-Fi connectivity. The Albott is significantly heavier at 151 pounds, indicating a more robust build. It suits users who prioritize app management over peak energy savings. If you need to cool a larger room and want to manage the unit via smartphone, this is a practical upgrade from the smaller COSTWAY option.
YITAHOME 12000 BTU 115V Mini Split
The YITAHOME 12,000 BTU unit provides 750 sq ft coverage, surpassing the COSTWAY’s 450 sq ft limit. It matches the COSTWAY’s 115V requirement and offers 20 SEER2 cooling efficiency. A key difference is the control method; YITAHOME includes Wi-Fi, app control, and voice compatibility with Alexa, while the COSTWAY uses only a remote. This makes YITAHOME better for users who want hands-free operation or integration with smart home systems. The unit weighs 22 pounds, slightly more than the COSTWAY’s 17.6 pounds. If you value smart connectivity and voice commands alongside efficient cooling, this model offers a more modern control experience than the basic COSTWAY remote.
Temprium 12000 BTU 115V Mini Split
The Temprium 12,000 BTU model delivers 22 SEER2 cooling efficiency, which is higher than the COSTWAY’s 20.5 SEER2 rating. It covers 750 sq ft, offering double the area coverage of the COSTWAY 9100 BTU unit. Both run on 115V circuits, ensuring compatibility with standard home outlets. Temprium includes Wi-Fi app control, whereas the COSTWAY relies on a physical remote. This makes Temprium better for users who prefer managing their climate settings from a smartphone. The unit weighs 40.8 pounds, heavier than the COSTWAY, but offers superior energy efficiency and larger coverage. Choose Temprium if you want maximum efficiency and smart features for a medium-sized room.
Tehanld 12000 BTU Mini Split
The Tehanld 12,000 BTU unit covers 750 sq ft, significantly more than the COSTWAY’s 450 sq ft capacity. It operates on 115V and provides 17 SEER2 efficiency, which is lower than the COSTWAY’s 20.5 SEER2 rating. This means the Tehanld uses more energy for the same cooling output. However, it offers more cooling power for larger spaces. The Tehanld weighs 20.9 pounds, similar to the COSTWAY’s 17.6 pounds. It lacks the smart app control found in some competitors, relying on standard inverter technology. This model suits buyers who need reliable heating and cooling for a larger room and do not require the top-tier efficiency of the COSTWAY or higher SEER2 ratings.
COSTWAY Blast Pro 12000 BTU
The COSTWAY Blast Pro 12,000 BTU unit offers 750 sq ft coverage, doubling the area of the original 9100 BTU model. It maintains the 115V plug requirement and matches the 20 SEER2 efficiency rating of the original COSTWAY. A major upgrade is the control system; the Blast Pro includes Wi-Fi, app control, and Alexa voice compatibility, while the original uses only a remote. This makes the Blast Pro better for users who want smart home integration. It weighs 19.8 pounds, slightly more than the original’s 17.6 pounds. If you want the same brand reliability and efficiency but with smart features and more cooling power, this is the logical upgrade from the 9100 BTU version.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | COSTWAY 9100 BTU 115V Mini Split Best overall | quiet 115V cooling and heating | |
| 2 | Rellytech 12000 BTU 20 SEER2 Mini Split Best budget | Energy-efficient cooling for medium rooms | |
| 3 | Albott 12,000 BTU 115V Mini Split Best remote | Standard 115V outlets and smart app control | |
| 4 | YITAHOME 12000 BTU 115V Mini Split Best premium | smart control and quiet operation | |
| 5 | Temprium 12000 BTU 115V Mini Split Also great | high-efficiency cooling on 115V circuits | |
| 6 | Tehanld 12000 BTU Mini Split Best 17 seer2 | 115V spaces needing reliable heating and cooling | |
| 7 | COSTWAY Blast Pro 12000 BTU Also great | Smart control and reliable heating in 115V setups |
COSTWAY 9100 BTU 115V Mini Split
Best for: quiet 115V cooling and heating
- Cooling Capacity
- 9100 BTU
- Coverage Area
- 450 sq ft
- SEER2 Rating
- 20.5 SEER2
- Voltage
- 115V
- Smart Compatibility
- Remote control
- Operating Modes
- Cool, heat, dry, fan, auto, sleep, ECO
This COSTWAY mini split offers 9100 BTU of cooling and 10000 BTU of heating for spaces up to 450 sq ft. It runs on 115V power with a 20.5 SEER2 rating. The unit features 4D airflow and operates quietly at 23 dB. You get seven modes and five fan speeds for precise control. The outdoor unit withstands extreme temperatures, making it a reliable year-round option for moderate-sized rooms.
- High 20.5 SEER2 cooling efficiency for energy savings
- Ultra-quiet 23 dB operation ideal for bedrooms
- 4D swing airflow directs air across the room
- Self-cleaning function reduces maintenance effort
- Outdoor unit functions in temperatures down to -15℃
- 9100 BTU capacity is lower than the 12000 BTU options on this list
- 115V electrical requirement limits compatibility compared to 208-230V models
- Indoor unit dimensions are 31.2 inches wide, which is bulkier than many competitors
- You need a 115V unit for a standard outlet
- You want quiet operation for a bedroom or nursery
- You need heating performance down to -15℃
- You require 12000 BTU or higher cooling power
- Your home uses 208-230V electrical systems
- You prefer a more compact indoor unit size
Verdict: COSTWAY 9100 BTU Mini Split AC suits you if you need a quiet, energy-efficient 115V unit for a 450 sq ft space. It handles cold winters well but offers less cooling power than the 12000 BTU alternatives.
Rellytech 12000 BTU 20 SEER2 Mini Split
Best for: Energy-efficient cooling for medium rooms
- Cooling Capacity
- 12,000 BTU
- Coverage Area
- up to 750 sq ft
- SEER2 Rating
- 20
- Voltage
- 110V/115V
- Smart Compatibility
- Wi-Fi, voice commands, remote
- Operating Modes
- cooling, heat pump, dry, fan-only, eco
The Rellytech 12000 BTU mini split offers 20 SEER2 efficiency, making it 30% more energy-efficient than standard 17 SEER2 models. It covers up to 750 sq ft with cooling and heating down to -13°F. This 115V unit includes Wi-Fi app control, a digital remote, and inverter technology. It is designed for bedrooms, living rooms, and garages, providing quiet operation and smart scheduling for year-round comfort.
- 20 SEER2 rating for high energy efficiency
- Covers up to 750 sq ft of space
- Wi-Fi app control and voice command support
- Operates in temperatures from -13°F to 122°F
- Includes 8-year warranty and AHRI certification
- Lower 12000 BTU capacity compared to 18000 BTU alternatives
- Heavier build at 75.3 pounds
- Requires licensed HVAC technician for installation
- You want high energy efficiency with a 20 SEER2 rating
- You need smart control via Wi-Fi app
- You are cooling a medium room up to 750 sq ft
- You require heating below -13°F
- You need a 230V connection instead of 115V
- You prefer a self-installable unit without professional help
Verdict: Rellytech 12000 BTU 20 SEER2 Mini Split suits buyers who prioritize energy savings and smart features for medium-sized rooms. It delivers reliable performance for spaces up to 750 sq ft without the higher power draw of larger units.
Albott 12,000 BTU 115V Mini Split
Best for: Standard 115V outlets and smart app control
- Cooling Capacity
- 12,000 BTU
- Coverage Area
- Up to 750 sq ft
- SEER2 Rating
- 18 SEER2
- Voltage
- 115V
- Smart Compatibility
- App, remote
- Operating Modes
- Cooling, heating, dehumidifying, fan
The Albott 12,000 BTU Mini Split offers cooling and heating with an 18 SEER2 rating. It covers up to 750 square feet and operates on 115V power. The unit includes a remote, Wi-Fi app control, and a 24-hour timer. It runs quietly below 29dB and features self-cleaning functions. This model suits those needing reliable year-round comfort in moderate-sized spaces.
- 18 SEER2 energy efficiency rating
- Covers up to 750 square feet
- Operates below 29dB for quiet use
- Includes Wi-Fi app and remote control
- Self-cleaning function with removable filters
- 18 SEER2 is lower than competitors reaching 22 SEER2
- 115V voltage limits use to standard outlets
- Heavier at 151 pounds than lighter units
- You need a 12,000 BTU unit for a 750 sq. ft. space
- You want Wi-Fi app control for remote management
- You require quiet operation below 29dB
- You need the highest SEER2 rating available at 22
- You require a 208-230V high-voltage connection
- You prefer a lighter unit under 100 pounds
Verdict: Albott 12,000 BTU Mini Split AC provides solid 18 SEER2 efficiency and smart controls for standard 115V homes, making it a practical fit for users prioritizing app management over peak energy ratings.
YITAHOME 12000 BTU 115V Mini Split
Best for: smart control and quiet operation
- 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
The YITAHOME 12000 BTU Mini Split offers 20 SEER2 efficiency and 115V operation for spaces up to 750 sq. ft. It includes inverter technology, Wi-Fi app control, and Alexa compatibility. The unit provides heating down to 5°F and cooling with 4D air circulation. It runs quietly at under 41 dB. This system suits users seeking smart features and reliable climate control in a standard voltage setup.
- 20 SEER2 energy efficiency rating
- Wi-Fi and Alexa smart control
- Quiet operation under 41 dB
- Heating performance down to 5°F
- 4D air circulation for even airflow
- 750 sq. ft. coverage is smaller than the 12000 BTU competitors on this list
- 115V voltage requires specific electrical setup unlike 208-230V options
- Indoor unit weighs 22 pounds, adding bulk to the wall mount
- You need smart app and voice control for your mini split
- You have a 115V electrical outlet available for installation
- You want quiet operation under 41 dB for bedrooms
- You require coverage for areas larger than 750 sq. ft.
- You prefer a 208-230V system for higher power efficiency
- You want a unit with a higher SEER2 rating than 20
Verdict: YITAHOME 12000 BTU Mini Split AC is a solid choice for users who prioritize smart connectivity and quiet operation in standard 115V homes.
Temprium 12000 BTU 115V Mini Split
Best for: high-efficiency cooling on 115V circuits
- Cooling Capacity
- 12000 BTU
- Coverage Area
- Up to 750 sq ft
- SEER2 Rating
- 22 SEER2
- Voltage
- 115V
- Operating Modes
- Auto, Cool, Heat, Dry, Fan, Sleep, ECO
- Features
- Quiet Operation
The Temprium 12000 BTU mini split delivers 22 SEER2 efficiency on a standard 115V circuit. It cools spaces up to 750 square feet and heats down to 5°F. The unit runs at 23 dB, making it suitable for quiet rooms. It includes WiFi app control and Alexa compatibility. This model offers strong energy savings and low noise for residential use.
- 22 SEER2 energy efficiency rating
- 23 dB quiet operation level
- 115V standard voltage compatibility
- WiFi and voice control support
- Heating output is 12,300 BTU, lower than the 12,000 BTU cooling rating
- Indoor unit weighs 40.8 pounds, which is heavier than many competitors
- Maximum coverage area is 750 sq. ft., smaller than the 1,000 sq. ft. typical for this BTU class
- You need a unit that runs on a standard 115V outlet
- You prioritize the highest SEER2 rating in this group
- You require ultra-quiet operation for a bedroom or office
- You need a 230V system for higher efficiency
- You want a heating capacity that exceeds the cooling capacity
- You prefer a lighter indoor unit for easier mounting
Verdict: Temprium 12000 BTU 115V Mini Split is the best choice for buyers who need maximum energy efficiency on a standard 115V circuit and value silent operation in small to medium rooms.
Tehanld 12000 BTU Mini Split
Best for: 115V spaces needing reliable heating and cooling
- Cooling Capacity
- 12,000 BTU
- Coverage Area
- Up to 750 sq ft
- SEER2 Rating
- 17 SEER2
- Voltage
- 115V
- Smart Compatibility
- Remote control
- Operating Modes
- Cool, Heat, Auto, Fan, Dry
The Tehanld 12000 BTU mini split provides year-round climate control for rooms up to 750 square feet. It operates on 115V power and achieves a 17 SEER2 efficiency rating. This inverter system includes heating and cooling modes with a 24-hour timer. It features R32 refrigerant and intelligent defrost technology for reliable performance in temperatures down to 5°F. The unit includes a remote and installation kit.
- 17 SEER2 energy efficiency rating
- Cools and heats spaces up to 750 sq. ft.
- Operates on standard 115V household power
- Includes 24-hour timer and 5 operation modes
- Uses eco-friendly R32 refrigerant
- 17 SEER2 rating is lower than the 20-22 SEER2 ratings of other options on this list
- Heavier indoor unit at 20.9 pounds compared to lighter competitors
- You need a 115V unit for standard outlets
- You want heating capability for cold weather down to 5°F
- You prioritize basic operation modes over ultra-high efficiency
- You require the highest SEER2 efficiency available in this guide
- You prefer a lighter indoor unit for easier mounting
- You need a 230V system for higher power demand
Verdict: Tehanld 12000 BTU 17 SEER2 Mini Split suits buyers who need a reliable 115V system with heating for spaces up to 750 square feet and do not require the top-tier efficiency of the 22 SEER2 models.
COSTWAY Blast Pro 12000 BTU
Best for: Smart control and reliable heating in 115V setups
- Cooling Capacity
- 12000 BTU
- Coverage Area
- up to 750 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 COSTWAY 12000 BTU mini split offers heating and cooling for spaces up to 750 square feet. It features a 20 SEER2 rating and 115V operation. You get Wi-Fi control, voice compatibility with Alexa, and 7 operating modes. The unit weighs 19.8 pounds and measures 31.9 inches wide. It includes a self-clean function and operates as low as 28 dB. This model suits those wanting smart features in a standard voltage setup.
- 20 SEER2 energy efficiency rating
- Wi-Fi and voice control with Alexa
- Operates in temperatures from -4℉ to 127℉
- 7 operating modes including ECO and sleep
- Self-clean function for low maintenance
- Lower SEER2 rating than Temprium's 22 SEER2
- Heavier at 19.8 pounds than some competitors
- 115V voltage limits compatibility with 208-230V systems
- You need Wi-Fi control for a 12000 BTU unit
- You require heating performance down to -4℉
- You prefer voice control via Alexa
- You need the highest SEER2 rating available
- You require 208-230V power compatibility
- You want a lighter indoor unit under 15 pounds
Verdict: COSTWAY 12000 BTU Mini Split fits users who prioritize smart connectivity and reliable heating in standard 115V homes. It delivers strong efficiency and quiet operation for medium-sized rooms.
Specifications side by side
| Spec | COSTWAY 9100 BTU 115V Mini Split | Rellytech 12000 BTU 20 SEER2 Mini Split | Albott 12,000 BTU 115V Mini Split | YITAHOME 12000 BTU 115V Mini Split | Temprium 12000 BTU 115V Mini Split | Tehanld 12000 BTU Mini Split | COSTWAY Blast Pro 12000 BTU |
|---|---|---|---|---|---|---|---|
| Cooling Capacity | 9100 BTU | 12,000 BTU | 12,000 BTU | 12,000 BTU | 12000 BTU | 12,000 BTU | 12000 BTU |
| Coverage Area | 450 sq ft | up to 750 sq ft | Up to 750 sq ft | 750 sq ft | Up to 750 sq ft | Up to 750 sq ft | up to 750 sq.ft. |
| SEER2 Rating | 20.5 SEER2 | 20 | 18 SEER2 | 20 | 22 SEER2 | 17 SEER2 | 20 SEER2 |
| Voltage | 115V | 110V/115V | 115V | 115V | 115V | 115V | 115V |
| Smart Compatibility | Remote control | Wi-Fi, voice commands, remote | App, remote | Alexa, Wi-Fi, remote | – | Remote control | WiFi, Alexa, Google Assistant, remote |
| Operating Modes | Cool, heat, dry, fan, auto, sleep, ECO | cooling, heat pump, dry, fan-only, eco | Cooling, heating, dehumidifying, fan | Auto, Cooling, Drying, Heating, Fan | Auto, Cool, Heat, Dry, Fan, Sleep, ECO | Cool, Heat, Auto, Fan, Dry | auto, cool, heat, dry, fan, ECO, sleep |
| Features | Inverter | Inverter, Quiet Operation | Inverter, Remote, Smart App | Inverter, Cover | Quiet Operation | Inverter | Inverter |
| Control Method | – | Wi-Fi, Wi-Fi App Control, Wi-Fi App | Remote Control, Wi-Fi, Wi-Fi App Control, Wi-Fi App | Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control | Wi-Fi, Wi-Fi App Control, Wi-Fi App | – | Wi-Fi, Wi-Fi App Control, Wi-Fi App, Voice Control |
| Color | White | White | White | White | White | White | White |
| Operating Mode | Heater | Heater | Heater | Heater | Heater | Heater | Heater |
| SEER Rating | – | 20 SEER2 | 18 SEER2 | 20 SEER2 | – | 17 SEER2 | 20 SEER2 |
| Mounting Type | Wall-Mounted | – | – | – | – | – | – |
| Dimensions | 11.5 × 31.2 × 7.91 inches | 8.66 × 31.9 × 11.4 inches | 32.1 × 7.48 × 11.2 inches | 7.9 × 31.2 × 11.5 inches | 7.87 × 30 × 11.6 inches | 7.48 × 31.5 × 11.4 inches | 7.48 × 31.9 × 12.1 inches |
| Weight | 17.6 pounds | 75.3 pounds | 151 pounds | 22 pounds | 40.8 pounds | 20.9 pounds | 19.8 pounds |
| Size | 9100BTU, 115V, 20.5 SEER2 | 12000BTU,115V,20 SEER2-WiFi | 18 SEER2, 12,000BTU 115V | – | 12,000 BTU, 115V, 22 SEER2 | 115V-12000BTU | – |
| Model | 11090-CYFP | CE0-1 | SAC001 | MAYIH4qu0k | SAC001-A-12KWH-US | 0745-S120-4 | Blast Pro |
Frequently asked questions
Which alternative offers the highest energy efficiency for 115V circuits?
The Temprium 12000 BTU Mini Split provides the highest efficiency at 22 SEER2. It covers 750 square feet and runs on standard 115V power. This model is ideal if you want maximum energy savings without upgrading your electrical setup. It also features Wi-Fi app control for convenient remote management of your cooling and heating needs.
Can I use these mini splits on a standard 115V outlet?
Yes, all listed alternatives operate on 115V power. This includes the Rellytech, Albott, YITAHOME, Temprium, Tehanld, and COSTWAY Blast Pro models. You can install them using existing standard outlets. This makes them practical upgrades for rooms where installing a dedicated 230V circuit is not feasible or desired for your home setup.
Which model supports voice control with Alexa?
The YITAHOME 12000 BTU and the COSTWAY Blast Pro both support Alexa voice control. They also feature Wi-Fi app control for smart home integration. These models are suitable if you want to manage your climate settings through voice commands or your smartphone. Both units offer 12,000 BTU capacity and 20 SEER2 efficiency for medium rooms.
What is the difference in cooling capacity between the alternatives?
The COSTWAY 9100 BTU model is the lowest capacity at 9,100 BTU. All other alternatives provide 12,000 BTU of cooling power. This higher capacity allows them to cover spaces up to 750 square feet. If you need more cooling for a larger room, any of the 12,000 BTU models will perform better than the 9,100 BTU unit.
Do these units provide heating as well as cooling?
Yes, every model listed operates in both heating and cooling modes. They are all rated as heaters. This makes them versatile choices for year-round comfort. You can use them to cool your space in summer and heat it during colder months. This dual functionality is standard across all the 115V mini split options presented.
Which alternative is best for a room up to 750 sq ft?
Most alternatives are designed for spaces up to 750 square feet. This includes the Rellytech, Albott, YITAHOME, Temprium, Tehanld, and COSTWAY Blast Pro. The original COSTWAY 9100 BTU unit is limited to 450 sq ft. If you have a medium-sized room, any of the 12,000 BTU models will provide adequate coverage and efficient performance.
Which model has the lowest SEER2 rating among the alternatives?
The Tehanld 12000 BTU Mini Split has the lowest SEER2 rating at 17. The Albott follows with 18 SEER2. The COSTWAY 9100 BTU unit sits at 20.5 SEER2. The Rellytech, YITAHOME, and COSTWAY Blast Pro are all rated at 20 SEER2. The Temprium leads with 22 SEER2. Lower ratings still provide efficient operation for most homes.