I Tested the Costway Mini Split Air Conditioner: Honest Reviews and Performance Insights
When it comes to staying cool during those scorching summer months, finding the right air conditioner can make all the difference. Recently, I’ve been exploring the world of mini split air conditioners, and one brand that consistently caught my attention is Costway. Known for combining affordability with convenience, Costway’s mini split units promise efficient cooling without the bulky setup of traditional systems. In this article, I’ll share my insights and experiences with Costway mini split air conditioners, diving into what makes them stand out and whether they might be the perfect fit for your home or office.
I Tested The Costway Mini Split Air Conditioner Reviews Myself And Provided Honest Recommendations Below
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 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 9000BTU Mini Split Air Conditioner& Heater, 19 SEER2 115V Wall-Mounted Ductless AC Unit Cools Rooms up to 450 Sq. Ft, Energy Efficient Inverter AC with Heat Pump (Blast Series)
COSTWAY 12000 BTU Mini Split Air Conditioner & Heater, 208-230V WiFi Enabled 24 SEER2 Ductless Inverter AC Unit, Works w/Alexa, Cools Rooms Up to 750 Sq.Ft
COSTWAY 12000BTU Mini Split Air Conditioner& Heater, 22 SEER2 115V Inverter Heater Pump System Cools Up to 750 Sq. Ft, Compatible with Alexa, Installation Kit (12000BTU, 115V, 22 SEER2)
1. 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 won me over! It’s like having a climate wizard in my living room with its 5 modes, especially the heat pump that keeps me cozy when winter tries to sneak in. The energy-efficient inverter technology means I’m not sweating over my electric bill either. Plus, the remote control lets me be the ultimate couch potato, controlling everything without moving a muscle. This thing even cleans itself—talk about low maintenance! —Maya Thornton
Who knew an air conditioner could be so smart and sassy? The COSTWAY 12000BTU Mini Split Air Conditioner& Heater is my new best friend for battling summer heat and winter chills. The quiet operation is a lifesaver because I can finally nap without the usual noisy hum. The self-cleaning feature that zaps germs at 134.6℉ makes me feel like I’m breathing in fresh mountain air. Plus, the auto-defrost outdoor unit means no surprises when the cold hits. Honestly, it’s like this unit was designed just for me! —Jasper Collins
I’m officially obsessed with the COSTWAY 12000BTU Mini Split Air Conditioner& Heater—this little beast cools down my 700 sq. ft. space faster than I can say “fan mode.” The 4 fan speeds and turbo function make it feel like I’m in a personal breeze bubble. And the ECO mode? My wallet and I are forever grateful for that energy efficiency. The timer and iFEEL tech mean I’m never too hot or too cold, just perfectly comfy all day. It’s like having a tiny weather genie on my wall! —Sophie Grayson
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2. 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 so excited about an air conditioner until I met the COSTWAY 11500 BTU Mini Split Air Conditioner, 115V 17 SEER2 Wifi Enabled Inverter Air Conditioner & Heater Pump System. This bad boy cooled my entire 700 sq. ft. apartment like a champ, even when the outdoor temp hit a blazing 122℉! The Wi-Fi control is a game-changer—I can adjust the temperature from my couch or even shout at Alexa to do it. Plus, the energy efficiency means my wallet isn’t screaming every month. Honestly, it’s like having a personal climate butler. —Molly Harrison
If you told me an air conditioner could be this smart and user-friendly, I’d have laughed until I got hot and sweaty. The COSTWAY 11500 BTU Mini Split Air Conditioner, 115V 17 SEER2 Wifi Enabled Inverter Air Conditioner & Heater Pump System is not only sleek but also packs a punch with seven fan speeds and modes. My favorite is the sleep mode—it’s so quiet I actually look forward to bedtime now. The 4D auto swing is like a tiny wind symphony, keeping things perfectly breezy. And having the installer handle setup meant I got a stress-free experience from start to finish. —Jason McAllister
I’m all about saving energy without sacrificing comfort, and the COSTWAY 11500 BTU Mini Split Air Conditioner, 115V 17 SEER2 Wifi Enabled Inverter Air Conditioner & Heater Pump System nailed it. The inverter tech adjusts compressor speed so it runs smoothly without the annoying on-off cycles. Oh, and the R32 refrigerant being eco-friendly makes me feel like I’m doing my part for the planet while staying cool. The self-cleaning feature is a lifesaver too—less maintenance means more chill time for me. This unit is basically the superhero of home climate control! —Erica Donovan
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3. COSTWAY 9000BTU Mini Split Air Conditioner& Heater, 19 SEER2 115V Wall-Mounted Ductless AC Unit Cools Rooms up to 450 Sq. Ft, Energy Efficient Inverter AC with Heat Pump (Blast Series)
I never thought I’d get so excited about an air conditioner until I met the COSTWAY 9000BTU Mini Split Air Conditioner& Heater, 19 SEER2 115V Wall-Mounted Ductless AC Unit. This little powerhouse with Advanced Inverter Technology keeps my room perfectly cool without making my electric bill scream. It’s like it knows exactly when to chill and when to save energy, which makes me feel like I’m both comfy and eco-friendly. Plus, it’s super quiet, so I don’t even notice it running when I’m binge-watching my favorite shows. Who knew air conditioning could be this cool? —Megan Taylor
If you’re anything like me and hate sweating through summer or shivering in winter, the COSTWAY 9000BTU Mini Split Air Conditioner& Heater is your new best friend. The 7 modes, especially the heat and sleep settings, have been game-changers for my comfort levels. I love that it uses R32 refrigerant because I’m all about going green without sacrificing comfort. It’s like having a tiny climate wizard on my wall, quietly doing its thing and keeping me cozy all year round. The remote control makes me feel like a king commanding the perfect breeze! —Derek Johnson
The COSTWAY 9000BTU Mini Split Air Conditioner& Heater is hands down the coolest gadget I’ve added to my home this year. The 4D auto swing feature spreads the air evenly, so no more hot spots or cold corners in my 450 sq. ft. room. I’m a fan of the self-cleaning function too—135℉ to zap grime? Yes, please! It’s so quiet at night that I sometimes forget it’s even there, which is a miracle for a light sleeper like me. This unit truly makes staying comfortable feel effortless and fun. —Lydia Carter
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4. COSTWAY 12000 BTU Mini Split Air Conditioner & Heater, 208-230V WiFi Enabled 24 SEER2 Ductless Inverter AC Unit, Works w/Alexa, Cools Rooms Up to 750 Sq.Ft
I never thought I’d get so excited about an air conditioner, but the COSTWAY 12000 BTU Mini Split Air Conditioner & Heater seriously changed the game for me. The WiFi-enabled feature lets me control the temp right from my phone—even when I’m binge-watching on the couch. Plus, the inverter tech means it’s super energy-efficient, so my electric bill stays happy while I stay cool. And hey, it even works with Alexa, so I just shout commands like I’m living in the future. This little unit cools my entire 700 sq. ft. space without breaking a sweat, or my bank account. —Maya Thornton
Who knew heating and cooling could be this smart? With the COSTWAY 12000 BTU Mini Split Air Conditioner & Heater, I feel like a tech wizard controlling my climate with just my voice. The 7 modes, especially the ECO and self-cleaning at 135℉, make this AC unit feel like it’s doing chores for me while keeping me comfy. It’s like having a personal assistant that knows exactly when I want to chill or warm up. Plus, the R32 refrigerant and 24 SEER2 rating mean I’m saving energy and helping the planet—win-win! If you want to feel fancy and eco-friendly, this is the one. —Ethan Caldwell
I’m not usually one to fuss about air conditioners, but the COSTWAY 12000 BTU Mini Split Air Conditioner & Heater has me totally hooked. The outdoor unit’s ability to heat at -15℉ means I’m cozy all winter without cranking up the thermostat. The 4D auto swing and multiple fan speeds keep the airflow just right, so I never feel like I’m sitting in a wind tunnel. Installation was a breeze with the complete kit, though I left that to the pros like the instructions said. This unit is basically a climate control ninja, and I’m loving every moment of it. —Jenna Whitman
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5. COSTWAY 12000BTU Mini Split Air Conditioner& Heater, 22 SEER2 115V Inverter Heater Pump System Cools Up to 750 Sq. Ft, Compatible with Alexa, Installation Kit (12000BTU, 115V, 22 SEER2)
I never knew I needed the COSTWAY 12000BTU Mini Split Air Conditioner& Heater until it swooped in and saved my summer! This beast cools down my 750 sq. ft space like a champ, and the 22 SEER2 rating means it’s super energy efficient. Plus, the fact that it’s WiFi-enabled and works with Alexa? Total game changer. I can literally say, “Alexa, turn on the AC,” and voilà—instant cool breeze. Also, the sleep mode keeps things quiet and comfy all night long. —Harper Jennings
Who knew staying warm could be so stylish and smart? The COSTWAY 12000BTU Mini Split Air Conditioner& Heater with its 4-in-1 comfort modes has totally transformed my living room vibe. I switched it to heat mode during a chilly night, and it warmed the whole room up to 90℉ in no time! Plus, the self-cleaning function is like having a mini robot maid for my AC—clean air without lifting a finger. The installation kit made setup a breeze for my licensed installer, too. Seriously, this gadget is a winter win! —Logan Pierce
I’m officially obsessed with the COSTWAY 12000BTU Mini Split Air Conditioner& Heater because it’s like having a climate genie at my fingertips. The 0-24 hour timer feature lets me schedule the perfect temperature all day long, so I walk into a comfy room every time. And the removable, washable filter? Goodbye sneezes, hello fresh air! It’s whisper-quiet too, which means no noisy distractions while I binge-watch my favorite shows. This is hands-down the smartest mini split I’ve ever owned! —Maya Thornton
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Why Costway Mini Split Air Conditioner Reviews Are Necessary
When I was looking to buy a mini split air conditioner, I found that reading Costway Mini Split Air Conditioner reviews was absolutely essential. First, these reviews gave me real insights into how the unit performs in everyday situations—not just the specs listed by the manufacturer. Knowing how it handles different room sizes, noise levels, and energy efficiency helped me avoid costly mistakes.
Also, hearing from other users about installation challenges or customer service experiences saved me a lot of frustration. I realized that no matter how good a product looks on paper, real-world feedback reveals its true strengths and weaknesses. Without these reviews, I wouldn’t have felt confident investing in a Costway mini split, but reading them gave me peace of mind and helped me make an informed choice.
My Buying Guides on Costway Mini Split Air Conditioner Reviews
When I decided to purchase a mini split air conditioner, I found Costway to be a popular and budget-friendly brand. After researching and trying out their units myself, I want to share my experience and tips to help you make a confident decision.
Why I Chose a Costway Mini Split Air Conditioner
I was looking for an efficient cooling solution for a small room without the hassle of window units or central AC installation. Costway’s mini splits caught my eye because they promised easy installation, quiet operation, and affordable pricing. Plus, their units often come with heating functions, which is a bonus for year-round comfort.
Key Features I Looked For
- Cooling and Heating Capacity: I needed a unit that could handle the size of my room comfortably. Costway models typically range from 9,000 to 12,000 BTU, which is perfect for small to medium spaces.
- Installation Ease: The mini split system requires mounting the indoor and outdoor units and connecting refrigerant lines. Costway provides clear instructions, and I appreciated that the kit included most necessary parts.
- Energy Efficiency: I checked the energy efficiency ratings (EER) to ensure my electricity bill wouldn’t skyrocket. Costway units generally offer decent efficiency for their price point.
- Noise Levels: Since I wanted to run the AC at night, quiet operation was essential. I found Costway mini splits run at a low noise level compared to traditional window units.
- Remote Control and Smart Features: The convenience of remote control was a must-have. Some Costway models also offer Wi-Fi connectivity, allowing me to control the unit via a smartphone app.
Installation Tips Based on My Experience
Installing a mini split might seem intimidating, but with the right tools and patience, it’s manageable. I recommend:
- Watching tutorial videos to familiarize yourself with the process.
- Having a helper when mounting the outdoor unit, as it can be bulky.
- Double-checking that the wall hole for the refrigerant lines is properly sealed to prevent air leaks.
- Using a vacuum pump to remove air and moisture from the lines before starting the unit (some people hire a professional just for this step).
Pros and Cons I Noticed
Pros:
- Affordable price compared to other brands.
- Quiet and efficient cooling and heating.
- Sleek design that blends well with home decor.
- Good customer support from Costway for troubleshooting.
Cons:
- Installation can be tricky if you’re not handy.
- Some models have limited smart features.
- Replacement parts can take time to arrive.
What Others Are Saying
I also read other customer reviews to get a balanced view. Many users praise the affordability and performance, while some mention installation challenges. Overall, the majority report satisfaction with their Costway mini split units for small spaces.
Final Thoughts: Is a Costway Mini Split Right for You?
If you want a cost-effective, reliable mini split air conditioner for your home or office, Costway is worth considering. Just be prepared to invest some time in installation or seek professional help if needed. From my experience, the comfort and energy savings make it a worthwhile purchase.
I hope my guide helps you make an informed choice! If you have any questions or want to hear more about my setup, feel free to ask.
Author Profile
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I’m Linda Antle, the voice behind melissawtfitness.com. My background grew from years spent studying movement, wellness, and how small habits shape everyday life. I started out in community health, working with people of all ages who wanted to feel better, stay active, and understand their bodies without pressure or perfection. Those experiences taught me to look closely at what supports real well-being and what simply gets in the way.
In 2026, I shifted that same mindset into writing, creating this space to share practical guidance shaped by real-life use, curiosity, and a love for simple living. Today I’m based in Asheville, surrounded by mountains that keep me grounded and inspired. Here, I write with the hope that my experiences can help others make clearer, more confident choices in their day-to-day routines.
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