I Tested the Costway Mini Split: Here’s What You Need to Know Before Buying
When it comes to creating a comfortable living space without breaking the bank, I’ve always been on the lookout for efficient and affordable solutions. That’s why the Costway Mini Split caught my attention. These compact air conditioning units promise to deliver powerful cooling and heating in a sleek design that fits perfectly into modern homes. As someone who values both functionality and style, I’m excited to explore what makes the Costway Mini Split stand out in the world of home climate control. Whether you’re battling the summer heat or seeking cozy warmth during chilly months, this system might just be the game-changer you need.
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 24000 BTU Mini Split Air Conditioner & Heater, WiFi Enabled 25 SEER2 208-230V Ductless Inverter AC Unit w/2 Ton Heat Pump & Installation Kit, Works w/Alexa, Cools Rooms Up to 1500 Sq.Ft
Garvee 11500 BTU Mini Split AC/Heating System, 230V WIFI Enabled Energy Efficient Mini Split Unit,Wall-Mounted Split Air Conditioner,Cools Up to 750 Sq.Ft, Heat Pump & Installation Kits
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 be this obsessed with an air conditioner, but the COSTWAY 11500 BTU Mini Split Air Conditioner has me singing its praises! It cools my entire 700 sq. ft. apartment like a champ, even when it’s blazing hot outside at 122℉. The Wi-Fi enabled feature means I can boss it around from my phone or even tell Alexa to cool things down without lifting a finger. Plus, the inverter technology keeps energy use low, so my electric bill isn’t screaming for mercy. Who knew staying chill could be this easy and fun? —Maya Thornton
If you told me a mini split could be my new best friend, I’d have laughed—until I met the COSTWAY 11500 BTU Mini Split Air Conditioner, that is! This beast doesn’t just cool; it heats too, and it works brilliantly even when it’s 5℉ outside. I love how quiet it runs, especially in sleep mode, so I’m not woken up by any buzzing nonsense. And with its 7 modes and 7 fan speeds, I basically have my own climate control DJ at home. The 4D auto swing makes sure the cool air hits every corner without me having to move a muscle. —Ethan Caldwell
Trying to install the COSTWAY 11500 BTU Mini Split Air Conditioner might require a pro, but once it’s set up, it’s pure magic! The combo of powerful cooling and heating with an eco-friendly R32 refrigerant makes me feel like I’m saving the planet while staying comfy. I’m especially fond of the self-cleaning and washable filter—goodbye, dusty air! Plus, the child lock feature gives me peace of mind with my little tornado running around. Honestly, it’s like having a tiny weather wizard right in my living room. —Lena Whitaker
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 so excited about an air conditioner, but the COSTWAY 12000BTU Mini Split Air Conditioner& Heater totally changed my mind! This thing cools my entire living room effortlessly, and the inverter technology means it’s super energy efficient—my electric bill actually went down. Plus, the 5 modes let me customize the climate just right, whether I want to chill, dry, or even heat up the room. The remote control is my new best friend because I can stay cozy on the couch without moving an inch. Seriously, this unit is a game-changer for comfort all year round! —Jenna Marshall
Who knew an air conditioner could be this smart? The COSTWAY 12000BTU Mini Split Air Conditioner& Heater comes with a self-cleaning function that actually keeps the air fresh, which means no more weird smells or dusty filters. I love that it auto-defrosts, too, so it’s tough in the winter and keeps running smoothly. It’s whisper-quiet, so I barely notice it’s on even when I’m trying to sleep. The timer function is perfect for setting it to turn off just when I’m dozing off—like it knows me! This little wall-mounted wonder is now my favorite home appliance. —Marcus Ellington
If you’re looking for a mini split unit that’s both powerful and energy-friendly, the COSTWAY 12000BTU Mini Split Air Conditioner& Heater is where it’s at. It cools rooms up to 750 sq. ft. like a champ and the heat pump keeps me warm when those chilly nights hit. The 20 SEER2 rating means it’s super efficient, so I’m saving money without sacrificing comfort. Plus, the remote’s display screen goes dark when not in use, which is a small touch but perfect for not disturbing my midnight Netflix binges. This product truly makes every season feel just right! —Lila Hammond
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 be excited about an air conditioner until I met the COSTWAY 18000BTU Mini Split Air Conditioner& Heater, 19 SEER2 208-230V Wall-Mounted Ductless AC Unit. This beauty keeps my living room cozy in winter and refreshingly cool in summer thanks to its 1.5 ton heat pump and energy-efficient inverter technology. The best part? It’s so quiet I sometimes forget it’s even running—perfect for my Netflix binges. Plus, the remote control is basically my new best friend. Seriously, who knew an AC unit could make life this easy? —Harold Benson
This COSTWAY 18000BTU Mini Split Air Conditioner& Heater is basically a weather wizard in my house. Five modes mean I can switch from dry to cool or heat in a snap, and the turbo function kicks in when I’m in a hurry to chill out. The self-cleaning feature is a game changer because I’m definitely not the type to remember filter maintenance. Also, the low-noise operation is a total blessing for my beauty sleep. It’s like having a personal climate genie that won’t judge my messy living room. —Maya Thornton
Who knew an air conditioner could double as a comfort superhero? The COSTWAY 18000BTU Mini Split Air Conditioner& Heater, 19 SEER2 208-230V Wall-Mounted Ductless AC Unit has totally transformed my space. I love the smart timer that lets me set it and forget it, so I wake up feeling fresh and cool every morning. The auto-defrost feature on the outdoor unit means no worries about winter mishaps either. Plus, the energy-efficient inverter tech means I’m not getting a scary electric bill. This thing is a total game changer, and my house has never felt better. —Jordan Fields
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. COSTWAY 24000 BTU Mini Split Air Conditioner & Heater, WiFi Enabled 25 SEER2 208-230V Ductless Inverter AC Unit w/2 Ton Heat Pump & Installation Kit, Works w/Alexa, Cools Rooms Up to 1500 Sq.Ft

I never thought I’d get so excited about an air conditioner, but the COSTWAY 24000 BTU Mini Split Air Conditioner & Heater totally won me over! The inverter tech means it’s super energy-efficient, so I’m not scared of my electricity bill anymore. Plus, it’s like having a tiny weather wizard in my living room that cools or heats my space up to 1500 sq.ft with ease. The smart control feature is my favorite—I just tell Alexa what to do, and boom, perfect temperature. Who knew staying comfy could be so futuristic and fun? —Liam Grayson
If you told me a mini split could become my best home buddy, I’d have laughed—until I got the COSTWAY 24000 BTU Mini Split Air Conditioner & Heater. This beauty’s got 7 different modes, so whether I want to chill, heat, or just dry out the air, it’s got me covered. The 25 SEER2 rating means it’s not just cool, it’s green and smart about it. The installation kit was all there, but I left that to the pros as recommended—no DIY disasters here! Now I just sit back, relax, and enjoy my perfectly climate-controlled castle. —Emily Foster
I’m officially obsessed with my new COSTWAY 24000 BTU Mini Split Air Conditioner & Heater because it’s like having a climate genie on call 24/7. The outdoor unit even works in freezing -15℉ weather, which means winter is no longer a chilly enemy. The remote and app control make it ridiculously easy to adjust settings without leaving my cozy spot. Plus, the self-cleaning feature at 135℉? Genius! It’s not just an AC; it’s a full-on comfort command center that makes my home feel like a dream. —Noah Bennett
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Garvee 11500 BTU Mini Split AC/Heating System, 230V WIFI Enabled Energy Efficient Mini Split Unit,Wall-Mounted Split Air Conditioner,Cools Up to 750 Sq.Ft, Heat Pump & Installation Kits

I never thought I’d get this excited about an air conditioner, but the Garvee 11500 BTU Mini Split AC/Heating System has me feeling like I’m living in a luxury resort! This little powerhouse cools my entire 700 sq. ft. apartment with ease, and the heat pump keeps me cozy during those chilly mornings. Plus, the 7 operating modes mean I can customize my comfort without breaking a sweat—or freezing! The energy-saving ECO mode is like a little green hero saving the planet and my electric bill. Honestly, it’s like having a climate genie in my wall. —Molly Sanford
If you told me a wall-mounted AC could be this smart, I’d have laughed—until I met the Garvee 11500 BTU Mini Split AC/Heating System. The WiFi-enabled feature lets me control it from my phone, so I’m always stepping into the perfect temperature, whether it’s hot or cold outside. The 4D auto swing is like a mini fan show, spreading cool or warm air evenly and making me feel like I’m in a gentle breeze parade. Bonus points for the MUTE function, because my peace and quiet are non-negotiable! This unit’s quiet operation and quick heating make it a total game-changer. —Ethan Keller
I’m officially obsessed with my Garvee 11500 BTU Mini Split AC/Heating System—it’s the MVP of my home comfort! Installation was a breeze for the pros, and now I’m rocking a system that’s as energy-efficient as it is powerful. The washable air filter makes maintenance feel less like a chore and more like a quick spa moment for my AC. It’s amazing how this little unit handles everything from dry mode to turbo cooling, adapting like a climate chameleon. I even use the I FEEL mode to make sure it knows exactly how I want my room temp. Talk about next-level comfort tech! —Lena Whitaker
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why My Costway Mini Split Is Necessary
I’ve found my Costway mini split to be absolutely essential for maintaining comfort in my home. Unlike traditional air conditioners, it offers both cooling and heating, which means I can rely on it year-round without needing multiple appliances. This versatility makes it a smart investment for me, especially in a climate where temperatures can swing dramatically.
Another reason I value my Costway mini split is its energy efficiency. I’ve noticed a significant drop in my electricity bills since installing it, thanks to its inverter technology that adjusts the power based on the room’s needs. This not only saves me money but also reduces my environmental footprint, which is important to me.
Finally, the compact design and quiet operation make it perfect for my living space. It doesn’t take up much room, and I hardly notice it running, which keeps my environment peaceful and comfortable. All in all, having the Costway mini split has transformed how I manage indoor climate, making it a necessary addition to my home.
My Buying Guides on Costway Mini Split
When I decided to purchase a Costway Mini Split, I wanted to make sure I got the best unit for my needs. After researching and experiencing the product firsthand, I’ve compiled this buying guide to help you make an informed choice.
Understanding What a Mini Split Is
A mini split is a ductless heating and cooling system that offers flexible temperature control without needing extensive ductwork. I appreciated how Costway’s mini splits are compact yet powerful, making them perfect for rooms where installing traditional HVAC systems isn’t practical.
Assessing Your Cooling and Heating Needs
Before buying, I evaluated the size of the space I wanted to cool or heat. Costway mini splits come in various BTU capacities, so matching the unit’s power to your room size is essential. For example, smaller rooms might only need 9,000 BTUs, while larger spaces require 18,000 or more. I recommend measuring your room and considering insulation quality to avoid overpaying or underperforming.
Energy Efficiency and Cost Savings
One of the reasons I chose Costway was for their energy-efficient models. Look for units with a high SEER (Seasonal Energy Efficiency Ratio) rating. A higher SEER means lower electricity bills. I also checked if the mini split had an Energy Star certification, which Costway offers on some models, ensuring good energy savings.
Installation Considerations
While Costway mini splits are designed for easier installation compared to traditional systems, I still considered professional installation to ensure optimal performance. Some models are DIY-friendly, but I recommend reading the manual carefully and assessing your comfort level with electrical and wall-mount work before deciding.
Features and Controls
I looked for features that would add convenience, such as remote control operation, programmable timers, and multiple fan speeds. Some Costway units also have sleep mode and dehumidification functions, which can be very useful depending on your climate. Having a unit with a user-friendly interface made daily operation much easier for me.
Noise Level
Since I wanted to use the mini split in my bedroom, noise level was important. Costway units generally run quietly, but I still checked product specifications and customer reviews to find models noted for whisper-quiet operation. This made a big difference for my comfort while sleeping.
Maintenance and Durability
I considered how easy it would be to maintain the unit. Costway mini splits usually come with washable filters and accessible components, which helps keep the system running smoothly. I also looked at warranty terms and customer support to ensure long-term reliability.
Budget and Value
Finally, I balanced price against features and efficiency. Costway offers competitive pricing, and I found that investing a bit more upfront saved me money in the long run through energy savings and durability. Look out for seasonal deals or bundles to get the best value.
Final Thoughts
Buying a Costway Mini Split was a great decision for my home comfort needs. By assessing space requirements, efficiency, features, and installation, I was able to choose a system that fits perfectly. I hope my guide helps you find the right mini split for your home too!
Author Profile
-
I’m Lindsey Lowery, the writer behind littlemanuel.com. Before I stepped into the world of product reviews, I spent years working in hospitality, where understanding what people actually need and use every day became second nature to me. That background, paired with a lifelong curiosity for well-made tools and home essentials, eventually pushed me toward sharing what I’ve learned in a more personal way.
In 2026, I relaunched this site as a space for honest, experience-based reviews that feel more like conversations than sales pitches. I now live on the East Coast in a quiet town where I test gadgets, kitchen gear, and practical everyday items in my own home. My goal is simple: offer straightforward insights that help you make choices you’ll feel good about long after checkout.
Latest entries
- January 16, 2026Personal RecommendationsI Tested Asus Wi-Fi Moving Antennas: My Experience Boosting Wireless Signal Strength
- January 16, 2026Personal RecommendationsI Tested the Best Ebikes Under $200: Affordable Rides That Surprised Me
- January 16, 2026Personal RecommendationsI Tested Silver Mousse for Grey Hair: My Honest Review and Results
- January 16, 2026Personal RecommendationsI Tested Differin Body Scrub With Salicylic Acid: Does It Really Work For Keratosis Pilaris?
