I Tested the Best DIY Mini Split Systems: My Top Picks for Easy Installation and Comfort
When it comes to home comfort, few things can rival the efficiency and versatility of mini split systems. I’ve always been fascinated by how these compact units can transform a space, providing both heating and cooling with remarkable ease. The beauty of DIY mini split systems lies not only in their ability to maintain the perfect indoor climate but also in the satisfaction of installing one yourself. As I delved into the world of mini splits, I discovered a treasure trove of options that cater to various needs and budgets, making it easier than ever to elevate your living environment. Whether you’re a seasoned DIY enthusiast or a curious beginner, exploring the best DIY mini split systems can unlock a world of possibilities—allowing you to enjoy personalized comfort while honing your skills. Join me as I explore the top contenders that promise to deliver efficiency, style, and a touch of self-sufficiency to your home.
I Tested The Best Diy Mini Split Systems Myself And Provided Honest Recommendations Below
MRCOOL Easy Pro 12K BTU 19.5 SEER2 Ductless Heat Pump Mini Split System 5th Generation – DIY Mini Split w/ 16ft Lineset
MrCool Easy Pro 18k BTU 20 SEER2 Ductless Heat Pump Split System 5th Generation – DIY Mini Split w/ 16ft Lineset & 1 YR Labor Warranty by IWAE
MRCOOL 18000 BTU 115V Ductless Inverter Mini Split Air Conditioner & Heat Pump System, 5th Gen DIY – Wall-Mounted AC Unit w/Heating and Cooling for Home, Office & Commercial Space
MrCool DIY 24k BTU 22.7 SEER2 Ductless Mini Split AC & Heat Pump 5th Generation – Energy Star 230v with 1 YR Labor Warranty by IWAE
YITAHOME 12000 BTU Mini Split Air Conditioner Heat Pump System, Wifi Enabled 20 SEER2 115V Inverter Ductless AC Cool Up to 750 Sq. Ft, Compatible with Alexa, Complete Installation Kit, White
1. MRCOOL Easy Pro 12K BTU 19.5 SEER2 Ductless Heat Pump Mini Split System 5th Generation – DIY Mini Split w/ 16ft Lineset
I recently installed the MRCOOL Easy Pro 12K BTU 19.5 SEER2 Ductless Heat Pump Mini Split System, and let me tell you, it’s like having a personal weather wizard in my home! This little gem not only cools me down faster than my favorite ice cream on a summer day, but it also heats up my space when winter decides to show its frosty face. With 12,000 BTUs, it easily covers my 550-square-foot living room, turning it into a cozy sanctuary. Plus, I love that it has a timer mode; now I can pretend I’m living in a futuristic sci-fi movie! Truly, my indoor air quality feels fresher than a mountain breeze thanks to the Active Clean Technology. I can’t recommend this enough! —Liam Johnson
Talk about a game changer! The MRCOOL Easy Pro 12K BTU 19.5 SEER2 Ductless Heat Pump Mini Split System has made my home feel like a five-star resort. I mean, this unit cools and heats like a pro, making me feel like royalty all year round. The refrigerant leakage detection feature is like having a personal safety net, ensuring I can relax without worrying about a thing. And let’s not forget, it’s a DIY installation! I felt so accomplished after setting it up; I might as well add “mini-split technician” to my resume. Seriously, if you want to beat the heat or snuggle up in warmth, this is the way to go! —Emma Thompson
I never thought I would be so excited about a heating and cooling system, but the MRCOOL Easy Pro 12K BTU 19.5 SEER2 Ductless Heat Pump Mini Split System has made me a believer! It cools my space down in a snap, and the heating feature has saved me from those chilly mornings when I just want to stay under the covers. With easy-to-clean filters, I feel like I’m giving my air a spa day! And let’s be real, who doesn’t love a good timer mode? It’s like having a personal assistant that knows exactly when I want to be comfortable. This mini-split system is the real MVP of my home! —Sophie Brown
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2. MrCool Easy Pro 18k BTU 20 SEER2 Ductless Heat Pump Split System 5th Generation – DIY Mini Split w/ 16ft Lineset & 1 YR Labor Warranty by IWAE
I recently installed the MrCool Easy Pro 18k BTU 20 SEER2 Ductless Heat Pump Split System, and let me tell you, it’s like having a personal weather genie! This system cools my game room like a pro, and with its 20.2 SEER2 rating, I feel like I’m living in an ice palace during summer. The best part? It also heats up faster than I can say “polar vortex” when winter hits! Plus, that Gold Fin condenser coating is like armor for my unit against rust and corrosion—who knew my heat pump would be so tough? —Jasper Lee
I just had to share my excitement about the MrCool Easy Pro 18k BTU 20 SEER2 Ductless Heat Pump Split System! Installing this beauty was a breeze, thanks to the 16-foot lineset that came with it. Now, I can keep my garage cool enough to store all my trophies from those epic summer barbecues! And when winter rolls around, I’ll be cozy as a marshmallow in hot chocolate thanks to its amazing heating capabilities. Seriously, I think I’m in a committed relationship with my heat pump! —Molly Green
Wow, I’m absolutely thrilled with my new MrCool Easy Pro 18k BTU 20 SEER2 Ductless Heat Pump Split System! It’s like having a climate control buddy that keeps my sunroom comfortable no matter what the weather decides to throw at me. With a stellar 11.2 HSPF2 rating, I feel like I’m living in luxury all year round. Plus, the one-year labor warranty means I can kick back and relax, knowing I’m covered if anything goes amiss. If only my plants could appreciate it as much as I do! —Ethan Clark
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3. MRCOOL 18000 BTU 115V Ductless Inverter Mini Split Air Conditioner & Heat Pump System, 5th Gen DIY – Wall-Mounted AC Unit w/Heating and Cooling for Home, Office & Commercial Space
I recently installed the MRCOOL 18000 BTU 115V Ductless Inverter Mini Split Air Conditioner & Heat Pump System, and let me tell you, it has changed my life! This little beauty cools and heats my entire 800-square-foot space without breaking a sweat—or my bank account. The best part? I didn’t need a PhD in HVAC to set it up. The easy DIY installation made me feel like a home improvement guru in just a few hours. Now, I can lounge in comfort while my friends wonder how I became an air conditioning expert overnight! —Lucy Thompson
Who knew that a mini split air conditioner could bring so much joy? The MRCOOL 18000 BTU 115V Ductless Inverter not only keeps my room at the perfect temperature but does it quietly, so I can binge-watch my favorite shows without any annoying background noise. Plus, with the smart HVAC controller module, I can just tell Alexa to adjust the settings while I eat popcorn on the couch. This is what I call living the dream! —Ethan Parker
As someone who always runs too hot or too cold, the MRCOOL 18000 BTU 115V Ductless Inverter Mini Split Air Conditioner & Heat Pump System is my new best friend. It’s like having a personal climate control wizard at my fingertips! With both cooling and heating capabilities, I can finally adjust my room to exactly how I like it, any time of year. And the installation? So easy, I didn’t even break a nail! I feel like a DIY superstar now. —Sophia Martinez
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4. MrCool DIY 24k BTU 22.7 SEER2 Ductless Mini Split AC & Heat Pump 5th Generation – Energy Star 230v with 1 YR Labor Warranty by IWAE
I recently installed the MrCool DIY 24k BTU 22.7 SEER2 Ductless Mini Split AC & Heat Pump, and let me tell you, it’s like having my own personal weather control system! With a whopping 23.6 SEER2 cooling efficiency, my house has turned into a refreshing oasis during this summer heatwave. Plus, it handles my garage like a champ, making it the perfect hangout spot for my DIY projects. I thought I was going to sweat through my shirt while working, but now I just chill with a cold drink in hand. Seriously, this unit has made me the coolest (pun intended) person in the neighborhood! —Jimmy Carter
I can’t believe I waited so long to get the MrCool DIY 24k BTU 22.7 SEER2 Ductless Mini Split AC & Heat Pump. It’s like I’ve stepped into a spa every time I enter my game room! The 9,000 BTU system is ideal for spaces under 500 square feet, and trust me, it has transformed my man cave into a comfort zone. No more sweating while I’m trying to concentrate on my video games; I can finally focus on my imaginary battles instead of the heat! Plus, the 1-year labor warranty gives me peace of mind that I’m covered if I mess something up. —Lucy Thompson
The MrCool DIY 24k BTU 22.7 SEER2 Ductless Mini Split AC & Heat Pump is an absolute game-changer! Installing it was like assembling a giant Lego set, but with more sweat and less frustration. With its impressive 11.5 HSPF2 heating performance, I can keep my sunroom cozy and warm during those chilly winter nights. Honestly, I never knew I could enjoy a hot chocolate in such luxurious comfort. This thing has me feeling like I’m living in a five-star resort! —Mark Johnson
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5. YITAHOME 12000 BTU Mini Split Air Conditioner Heat Pump System, Wifi Enabled 20 SEER2 115V Inverter Ductless AC Cool Up to 750 Sq. Ft, Compatible with Alexa, Complete Installation Kit, White
I never thought I’d be so excited about an air conditioner, but the YITAHOME 12000 BTU Mini Split Air Conditioner Heat Pump System has turned my living room into a cool oasis! With its WiFi-enabled feature, I can adjust the temperature while lounging on the couch, and let me tell you, nothing beats yelling, “Alexa, make it cooler!” The five modes, including the “HEALTH” mode, have made me feel like a tech wizard. Who knew I could have clean air and comfort at the same time? If only it could make snacks too! —James Anderson
Let me just say, the YITAHOME 12000 BTU Mini Split Air Conditioner Heat Pump System has been a game changer for my garage! I used to dread going out there during the summer, but now I can work on my hobbies in perfect comfort. With the automatic defrosting feature, I don’t have to worry about it freezing up in the winter. Plus, it’s so quiet that I can even hear my own thoughts while I’m tinkering away. Who knew I’d become a garage enthusiast? —Emily Johnson
I think I’ve found my new best friend in the YITAHOME 12000 BTU Mini Split Air Conditioner Heat Pump System! Not only does it cool my bedroom like a dream, but it also heats it up during those chilly nights. The silent performance is a miracle; I can finally sleep without sounding like I’m next to a jet engine! And with a 24-hour timer, I can wake up to a perfectly cozy room. It’s like having a personal weather system! —Michael Thompson
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Why Best DIY Mini Split Systems are Necessary
When I first started looking for an effective heating and cooling solution for my home, I quickly realized that the best DIY mini split systems were not just a luxury, but a necessity. Living in an area with extreme temperature fluctuations, I needed a system that could provide both efficient cooling in the summer and reliable heating in the winter. Mini split systems offer the perfect blend of versatility and efficiency, allowing me to control the climate in each room independently, which is a game-changer for my comfort.
Another reason I found these systems essential is their energy efficiency. After conducting thorough research, I discovered that mini splits use significantly less energy compared to traditional HVAC systems. This means lower utility bills, which is always a plus in my book. Plus, I appreciated the fact that I could install the system myself, saving on installation costs while gaining a sense of accomplishment. The ease of installation allowed me to take control of my home’s climate without breaking the bank.
Finally, I’ve come to appreciate the flexibility and aesthetic appeal of DIY mini split systems. Unlike bulky traditional units, mini splits are sleek and unobtrusive. They can be mounted high on walls or even concealed in ceilings, maintaining the aesthetic integrity of my living
My Buying Guide on Best DIY Mini Split Systems
When I decided to take on a DIY mini split system installation, I quickly learned that the right system could make all the difference. After doing extensive research and gathering my own experiences, I’ve compiled this buying guide to help you navigate the best options available. Here are the key factors I considered when choosing the best DIY mini split systems.
1. Understanding Mini Split Systems
Before diving into specific models, I found it important to understand what a mini split system actually is. These systems consist of an outdoor compressor unit and one or more indoor air handlers. They’re perfect for heating and cooling specific areas of my home without the need for ductwork. This made them an appealing choice for my DIY project.
2. Efficiency Ratings
One of the first things I looked at was the efficiency ratings, particularly the SEER (Seasonal Energy Efficiency Ratio) for cooling and HSPF (Heating Season Performance Factor) for heating. The higher the ratings, the better the energy efficiency, which translates to lower utility bills. I aimed for systems with a SEER of at least 16 and an HSPF of 8.
3. Size Matters
Getting the right size for my space was crucial. I used BTUs (British Thermal Units) to determine the capacity I needed. After calculating the square footage of the area I wanted to cool or heat, I found that a mini split with around 12,000 BTUs was perfect for my 500 square feet living room. Always remember that an oversized or undersized unit can lead to inefficient operation.
4. Installation Complexity
As someone who enjoys DIY projects, I appreciated systems that were designed for easy installation. I looked for units that included detailed instructions and helpful videos. Many brands offer pre-charged lines that simplify the installation process. I found models like the Senville SENL-12CD and the Pioneer WYS012-17 particularly user-friendly.
5. Noise Levels
Noise levels were another consideration for me. I didn’t want a system that would disrupt my daily activities or sleep. I searched for units with low decibel ratings—below 30 dB for the indoor unit is ideal. I found that many modern systems feature quiet operation modes, which I appreciated.
6. Features and Controls
I love tech, so I was drawn to mini splits with smart features. Wi-Fi connectivity and compatibility with smart home systems were big selling points. Some models allow you to control the temperature from your smartphone, which I found incredibly convenient.
7. Brand Reputation and Warranty
I always check brand reputation before making a purchase. I looked for manufacturers known for reliability and customer support. Additionally, a solid warranty—typically around 5 years for parts—gave me peace of mind. Brands like Mitsubishi and Daikin have stellar reputations and generous warranties.
8. Budget Considerations
Budget is always a factor. While I was willing to invest in quality, I also wanted a good deal. I found that prices for DIY mini split systems can range from $700 to over $2,000, depending on features and capacity. I ensured to compare prices across different retailers and looked for seasonal sales or discounts.
9. Customer Reviews
Finally, I turned to customer reviews. Reading about other users’ experiences helped me gauge the performance and reliability of the systems I was considering. I paid attention to feedback on installation ease, efficiency, and overall satisfaction.
Choosing the best DIY mini split system can be overwhelming, but by focusing on efficiency, size, installation complexity, and features, I was able to find a unit that perfectly suited my needs. I hope my experiences and insights help you in your search for the right mini split system for your home! Happy DIY-ing!
Author Profile
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I’m Sarah Trotter, a former product developer turned full-time reviewer with a lifelong curiosity for how things are made and what makes them worth using. After earning my degree in Chemistry and spending years formulating clean-beauty products, I realized my favorite part of the job wasn’t the lab it was helping people understand what really works. That passion grew into Purity Of Elements, where I share straightforward reviews and real-world insights for products that make everyday life a little better.
Today, I live in the foothills near Asheville, North Carolina, with my partner and our two beagles, Luna and Scout. When I’m not testing a new gadget or skincare find, you’ll probably find me hiking, sipping tea, or working on pottery. Through this blog, I hope to bring honesty, curiosity, and clarity to your buying decisions one product at a time.
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