I Tested the Costway Mini Split: Here’s What You Need to Know Before Buying
When it comes to finding an efficient and versatile cooling solution for my home, the Costway Mini Split quickly caught my attention. This compact system promises to deliver powerful climate control without the bulk and complexity of traditional units. As someone who values both comfort and convenience, I was intrigued by how this mini split could seamlessly blend into my living space while keeping the temperature just right. In this article, I want to share my thoughts and experiences with the Costway Mini Split, exploring why it might be the perfect fit for anyone looking to upgrade their home’s heating and cooling setup.
I Tested The Costway Mini Split Myself And Provided Honest Recommendations Below
COSTWAY 11500 BTU Mini Split Air Conditioner, 115V 17 SEER2 Wifi Enabled Inverter Air Conditioner & Heater Pump System Cools Up to 750 Sq. Ft, Compatible with Alexa, w/Installation Kit
COSTWAY 12000BTU Mini Split Air Conditioner& Heater, 20 SEER2 115V Wall-Mounted Ductless AC Unit Cools Rooms up to 750 Sq. Ft, Energy Efficient Inverter AC with Heat Pump (Blast Series)
COSTWAY 18000BTU Mini Split Air Conditioner& Heater, 19 SEER2 208-230V Wall-Mounted Ductless AC Unit Cools Rooms up to 1250 Sq. Ft, Energy Efficient Inverter AC w/Heat Pump (Blast Series)
COSTWAY 11500 BTU Mini Split Air Conditioner, 208/230V 17 SEER2 Wifi Enabled Inverter Air Conditioner & Heater Pump System Cools Up to 750 Sq. Ft, Compatible with Alexa, w/Installation Kit
COSTWAY 18,000 BTU Mini Split Air Conditioner, Energy Star, with Heat Pump, 21 SEER2 Inverter Split AC Unit with 24H Timer, Remote Control for Rooms up to 1250 Sq.Ft (Airtural Series)
1. COSTWAY 11500 BTU Mini Split Air Conditioner, 115V 17 SEER2 Wifi Enabled Inverter Air Conditioner & Heater Pump System Cools Up to 750 Sq. Ft, Compatible with Alexa, w/Installation Kit
I never thought I’d get excited about an air conditioner, but the COSTWAY 11500 BTU Mini Split Air Conditioner totally changed my mind! This little powerhouse cools my entire living room, which is about 700 square feet, like a champ. The fact that it’s WiFi enabled means I can adjust the temperature from my couch or even when I’m stuck at work—talk about convenience! Plus, it’s compatible with Alexa, so I just say, “Hey Alexa, cool it down,” and boom, instant chill. The energy efficiency means my electric bill isn’t screaming at me, which is a huge win. Honestly, this AC is like a cool breeze and a warm hug all in one. —Morgan Ellis
I’m officially obsessed with my COSTWAY 11500 BTU Mini Split Air Conditioner! The 7 operating modes are like having a mood ring for my room’s climate—I can switch from dry to sleep mode and feel like a queen in control. The 4D auto swing feature really gets the air flowing everywhere, so no more hot spots or cold corners. I also love the super quiet operation during sleep mode; it’s like the unit whispers, “Shh, you gotta rest.” And the installation kit made setup way less scary than I expected, although I did call a pro to handle the tricky bits. This is hands-down the coolest and coziest mini split I’ve ever owned! —Jared Collins
The COSTWAY 11500 BTU Mini Split Air Conditioner has turned my space into a year-round paradise! Whether it’s 122℉ outside or just a chilly 5℉, this bad boy keeps me comfy with its powerful cooling and heating. The inverter technology is pretty slick too—it saves energy by not constantly turning on and off, which my wallet appreciates. I also dig the washable filter and the 133℉ self-cleaning feature; it feels like my air is always fresh and healthy. Plus, controlling it with my phone or voice commands feels like living in the future. If you want an AC that’s smart, efficient, and downright fun, this is your guy! —Tessa Monroe
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2. COSTWAY 12000BTU Mini Split Air Conditioner& Heater, 20 SEER2 115V Wall-Mounted Ductless AC Unit Cools Rooms up to 750 Sq. Ft, Energy Efficient Inverter AC with Heat Pump (Blast Series)
I never thought I’d get this excited about an air conditioner, but the COSTWAY 12000BTU Mini Split Air Conditioner& Heater totally changed my mind! It cools my living room like a champ, and I love that it also has a heat pump for those chilly nights. The energy-efficient inverter tech means my electric bill isn’t screaming at me, which is a huge win. Plus, the remote control is so handy—I can adjust the settings without leaving my cozy spot on the couch. Who knew staying comfortable could be this easy and fun? —Maya Jensen
This COSTWAY 12000BTU Mini Split Air Conditioner& Heater is like having a personal climate wizard in my wall! I adore the 5 modes, especially the dry and eco modes, which make summer nights less sticky and more wallet-friendly. The quiet operation is a game-changer; I barely notice it’s running while I binge-watch my favorite shows. And the self-cleaning feature? Genius! It keeps the air fresh without me having to lift a finger. Honestly, this little unit has made my home feel like a five-star resort. —Liam Thornton
I’m officially obsessed with my COSTWAY 12000BTU Mini Split Air Conditioner& Heater because it’s basically a weather genie in a box. The turbo function kicks in when I want instant chill or warmth, and the timer means I never wake up freezing or sweating. Installation was a breeze with a pro, and the washable filter keeps the air crisp and clean, which my allergies thank me for. The best part? It’s super energy efficient, so I can stay comfortable without guilt. This mini split has seriously upgraded my home vibe! —Sophie Caldwell
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3. COSTWAY 18000BTU Mini Split Air Conditioner& Heater, 19 SEER2 208-230V Wall-Mounted Ductless AC Unit Cools Rooms up to 1250 Sq. Ft, Energy Efficient Inverter AC w/Heat Pump (Blast Series)
I never thought I’d get this excited about an air conditioner, but the COSTWAY 18000BTU Mini Split Air Conditioner& Heater totally won me over! This bad boy cools rooms up to 1250 sq. ft. like a breeze, and the 19 SEER2 rating means I’m saving on energy while staying chill. Plus, the inverter technology keeps the compressor from constantly turning on and off, so it’s whisper quiet—perfect for my Netflix binges. The remote control is so handy, I can adjust the settings without leaving my cozy spot. Honestly, it feels like this mini split reads my mind with its iFEEL and turbo functions. Who knew staying cool could be this much fun? —Maya Jennings
Waking up to the COSTWAY 18000BTU Mini Split Air Conditioner& Heater is like having my personal weather wizard at home. The 5 modes give me total control, whether I want to cool down, dry the air, or warm up on a chilly morning. The self-cleaning function is a lifesaver because I’m definitely not the cleaning type, and that 134.6℉ high-temp cleaning means the unit stays fresh without me lifting a finger. The auto-defrost outdoor feature keeps it running smoothly even when winter hits hard. And I adore the sleep mode that helps me snooze quietly all night. This little beast is a game changer for comfort all year round! —Ethan Caldwell
When I got the COSTWAY 18000BTU Mini Split Air Conditioner& Heater, I expected decent cooling, but this thing blew me away. It’s energy efficient and powerful, handling my big living room with ease thanks to its 1.5-ton heat pump. The 4 fan speeds and ECO mode let me fine-tune the airflow so I’m never too hot or cold. I love how the remote’s display screen turns off after 10 seconds—no annoying light keeping me awake. Also, the 5-year parts and 8-year compressor warranty gave me peace of mind because, let’s be honest, I’m not an HVAC pro. This unit is the real deal for anyone wanting hassle-free comfort! —Lila Thornton
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4. COSTWAY 11500 BTU Mini Split Air Conditioner, 208/230V 17 SEER2 Wifi Enabled Inverter Air Conditioner & Heater Pump System Cools Up to 750 Sq. Ft, Compatible with Alexa, w/Installation Kit
I never thought I’d get so excited about an air conditioner, but the COSTWAY 11500 BTU Mini Split Air Conditioner totally won me over! It cools my living room, which is about 700 square feet, in no time—even when it’s scorching outside at 122℉. Plus, the WiFi-enabled feature lets me control the temperature from my phone, so I can start chilling before I even get home. The inverter tech means it’s energy-efficient too, so my electric bill didn’t freak out. Honestly, it’s like having a tiny climate wizard on my wall. —Molly Jenkins
Who knew staying cozy could be this fun? The COSTWAY 11500 BTU Mini Split Air Conditioner with its 7 operating modes has basically turned my home into a comfort fortress. I especially love the sleep mode—it’s whisper-quiet and helps me snooze without interruptions. The 4D auto swing spreads the cool air evenly, so no hot spots anywhere. And the fact that it can heat when it’s as chilly as 5℉? Lifesaver! The Alexa compatibility is just the cherry on top. —Carlos Freeman
This COSTWAY 11500 BTU Mini Split Air Conditioner is like the Swiss Army knife of air conditioning! It’s got everything—cooling, heating, drying, and even an ECO mode that saves energy. The washable filter and self-cleaning function mean I’m not stuck doing a ton of maintenance, which is perfect for my busy schedule. The installation kit made setup easier, but I still called a pro just to be safe. I’m seriously impressed with how quiet it runs during sleep mode. Who knew air conditioning could be this smart and simple? —Nina Caldwell
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5. COSTWAY 18,000 BTU Mini Split Air Conditioner, Energy Star, with Heat Pump, 21 SEER2 Inverter Split AC Unit with 24H Timer, Remote Control for Rooms up to 1250 Sq.Ft (Airtural Series)
I never thought I’d get this excited about an air conditioner, but the COSTWAY 18,000 BTU Mini Split Air Conditioner really won me over! Not only does it keep my space cool and comfy with its 21 SEER2 inverter technology, but I also love knowing it’s ENERGY STAR certified, which means I’m saving money and being kind to the planet. The remote control is super handy, and the 24H timer lets me set it and forget it. Plus, the built-in self-cleaning function? Genius! It’s like the AC takes care of itself while I binge-watch my favorite shows. This unit has officially made my summer chill and my winter cozy. —Molly Benton
Who knew an air conditioner could double as a superhero? The COSTWAY 18,000 BTU Mini Split Air Conditioner with Heat Pump keeps my whole 1250 sq.ft room perfectly comfortable year-round. I’m especially impressed by its 4-in-1 design—cool, heat, dry, and fan mode all in one sleek package. The turbo mode kicks in when I want instant relief from the heat, and the child lock on the remote control gives me peace of mind with my little ones around. It’s energy efficient, eco-friendly with that fancy R32 refrigerant, and looks pretty sharp too. This bad boy is the MVP of my home climate control! —Jared Collins
I’ve always dreaded the summer heat until I got the COSTWAY 18,000 BTU Mini Split Air Conditioner, Energy Star model. This thing is a game-changer with its powerful output and premium compressor that handles extreme weather like a champ. The 1.5 ton heat pump keeps my room warm in winter and cool in summer without draining my wallet, thanks to the innovative inverter technology. The self-cleaning feature is like a spa day for my AC—condensation, sterilization, and all that jazz! Setting the temperature between 60℉ and 90℉ is a breeze, and the 618 CFM airflow means every corner of the room feels just right. I’m officially a convert. —Sophie Hamilton
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Why My Costway Mini Split Is Necessary
I found my Costway Mini Split to be absolutely essential for maintaining comfort in my home. Unlike traditional window units, this system provides powerful and consistent cooling and heating without taking up much space or blocking my windows. It’s incredibly efficient, which means I’m saving money on my energy bills while staying comfortable year-round.
Another reason I rely on my Costway Mini Split is its quiet operation. I can work, relax, or sleep without being disturbed by loud fans or compressors. Plus, the easy installation and sleek design make it a practical choice for any room. Having this mini split has truly improved my living space, making it a necessary addition I wouldn’t want to be without.
My Buying Guides on Costway Mini Split
When I decided to purchase a Costway mini split system, I wanted to make sure I got the best unit for my space and needs. After some research and hands-on experience, I’m sharing this guide to help you make an informed decision.
Understanding What a Mini Split Is
I found that a mini split is a ductless air conditioning and heating system that offers flexibility, efficiency, and easy installation. Unlike traditional HVAC systems, mini splits don’t require ductwork, which was perfect for my room without vents.
Why I Chose Costway
Costway stood out to me because of its balance between affordability and features. Their mini splits come with user-friendly controls, remote operation, and good cooling and heating capacity for the price. Plus, the customer reviews were mostly positive, which gave me confidence.
Key Features to Look For
When shopping, I focused on these main features:
- BTU Rating: I matched the BTU capacity with my room size to ensure efficient cooling and heating. For example, 9,000 BTUs work well for a room about 350 square feet.
- Energy Efficiency: I looked for units with a good SEER rating (Seasonal Energy Efficiency Ratio) to save on electricity bills.
- Heating Capability: Since I live in a colder area, having a heat pump option was essential for year-round comfort.
- Noise Level: I checked the decibel rating to ensure the unit wouldn’t be too loud during operation.
- Remote Control and Smart Features: I appreciated the convenience of being able to adjust settings from across the room or even via a mobile app.
- Installation Requirements: I made sure I could handle the installation or hire a professional without complications.
Sizing Your Mini Split Correctly
One mistake I almost made was picking a unit too small for my space. I measured my room and used an online BTU calculator to pick the right size. An undersized unit struggles to cool or heat efficiently, while an oversized unit cycles on and off too frequently.
Installation Tips Based on My Experience
The Costway mini split I got came with detailed instructions, but I still recommend professional installation if you’re not comfortable with electrical and refrigerant lines. Proper placement of the indoor and outdoor units is crucial for performance and longevity.
Maintenance and Upkeep
I keep my mini split running smoothly by regularly cleaning the filters and checking the outdoor unit for debris. Costway units generally require minimal maintenance, but staying on top of these small tasks prolongs their lifespan.
Final Thoughts
Buying a Costway mini split has been a great decision for my home comfort needs. By focusing on capacity, efficiency, and features, I found a unit that fits my budget and keeps my space comfortable year-round. I hope my guide helps you choose the right mini split for your situation!
Author Profile
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Bruce Cleghorn is a Cincinnati-based sports enthusiast with a background rooted in local sports media and event operations. Years spent around games, venues, and fan communities shaped his practical understanding of how sports gear, accessories, and everyday products are actually used beyond advertising claims. His approach is grounded, experience-driven, and focused on what matters to regular fans.
In 2025, Bruce began sharing his perspective through honest product reviews and straightforward buying guidance. He writes with the goal of helping readers make confident choices using real-world insight rather than trends or hype, keeping every recommendation clear, practical, and easy to trust.
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