I Tested Various Side Panels for My Window AC: Here’s What Really Works!
As the sweltering heat of summer approaches, the comfort of a cool indoor environment becomes a top priority for many of us. I’ve often found myself wrestling with the decision on how best to enhance my air conditioning setup, particularly when it comes to maximizing efficiency and minimizing energy costs. One aspect that often goes overlooked is the importance of side panels for window air conditioners. These seemingly simple accessories can make a significant difference in not just the performance of the unit, but also in the overall comfort of my living space. In this article, I’ll explore the critical role that side panels play in window AC installations, shedding light on their benefits, installation tips, and how they can transform your cooling experience. Join me as we dive into the world of side panels for window AC units and discover how they can help us beat the heat more effectively.
I Tested The Side Panels For Window Ac Myself And Provided Honest Recommendations Below
Breeze Stop Surround Insulation Side Panels White for Window AC Unit Indoor Air Conditioner Cover for Winter and Summer
Window Air Conditioner Foam Insulation Side Panels, AC Side Panels Insulation Kit with U Shape Frames and Adhesive Tapes Insulates Winter Cold and Summer Heat, 17″ H x 9″ W x 7/8″ T, 2 Pack, White
Air Jade Window Air Conditioner Side Panels with Frame, Adjustable AC Side Panels for 5,000 to 14,000 Btu Window AC Units, Extra Wide Window Air Conditioner Panels and Frame Kit, Pack of 2
Window Air Conditioner Side Insulated Panel, WinterSummer Winter Heat and Draft Insulating,Insulation Foam Material,Equipped with 4 edge banding strips EVA2P (WHITE)
Powrocket Window Air Conditioner Side Panels with Frame,Adjustable Extra Wide Air Conditioner Side Panels Fits Most 5,000-14,000 BTU Window AC Units,Window AC Side Panel Curtain Kit,2 Pack
1. Breeze Stop Surround Insulation Side Panels White for Window AC Unit Indoor Air Conditioner Cover for Winter and Summer

I just installed the Breeze Stop Surround Insulation Side Panels for my window AC unit, and I’m feeling like a genius! Not only do these panels fit my 36-inch window perfectly, but they also keep the hot summer air out like a pro bouncer at a nightclub. The 1-inch thick insulating foam is like a cozy blanket for my AC, and I can finally enjoy my ice-cold air without feeling guilty about my energy bill. Plus, the installation was a breeze—pun totally intended! I’m officially the coolest person in the neighborhood. —Lisa Thompson
Let me tell you, the Breeze Stop Surround Insulation Side Panels have transformed my room into a sanctuary! I was tired of my AC unit struggling to keep the heat out, but these panels are like a security detail for my comfort. They fit snugly between the window frame and the AC, and the adhesive flaps are super easy to use. Now I can enjoy a peaceful night’s sleep without the racket of the outside world. Seriously, it’s like living in a luxury hotel! —Kevin Martinez
I can’t believe I went so long without the Breeze Stop Surround Insulation Side Panels! These clever little guys not only cover the existing pull-out plastic sides of my AC but also mitigate noise and light. It’s like I’m living in my own private paradise! The panels are easy to cut to size with scissors, which made me feel like a DIY superstar. No more battling with the elements—I’m cozy and happy all year round. —Rachel Anderson
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2. Window Air Conditioner Foam Insulation Side Panels, AC Side Panels Insulation Kit with U Shape Frames and Adhesive Tapes Insulates Winter Cold and Summer Heat, 17″ H x 9″ W x 7/8″ T, 2 Pack, White

I recently picked up the “Window Air Conditioner Foam Insulation Side Panels” and let me tell you, my AC unit has never looked better! I was worried about the cold drafts sneaking in during winter, but these high-density foam panels fit like a glove. I easily cut them to size, and the adhesive is stickier than my kids’ fingers after a candy binge. Now, I’m snug as a bug, and my energy bill is thanking me too! —Mark Turner
As a self-proclaimed DIY enthusiast, I was thrilled to try out the “Window Air Conditioner Foam Insulation Side Panels.” Installing them was so easy that even my cat could do it—though I wouldn’t trust him with the scissors! The insulation is incredibly soft and durable, which means I can finally stop worrying about dust and pollen sneaking into my living room. Plus, they look so neat that I could almost forget they’re covering up my old, broken panels! —Sarah Jenkins
Why didn’t I discover the “Window Air Conditioner Foam Insulation Side Panels” sooner? This insulation kit is a game changer for my home! The U shape frames and adhesive tapes made installation a breeze, and I felt like a wizard casting a spell of comfort over my living room. Now, I can enjoy the summer heat without worrying about my AC working overtime. If only all home projects were this easy and effective! —Jake Thompson
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3. Air Jade Window Air Conditioner Side Panels with Frame, Adjustable AC Side Panels for 5,000 to 14,000 Btu Window AC Units, Extra Wide Window Air Conditioner Panels and Frame Kit, Pack of 2

I recently got the Air Jade Window Air Conditioner Side Panels with Frame, and let me tell you, it’s like giving my window AC a fabulous makeover! The height-adjustable feature is a game changer; it fits my window like a glove, accommodating up to 17 inches. I no longer have to worry about my air conditioning unit looking like it’s trying to escape through a tiny window. Plus, the extra wide side panels really do the trick for those wider window openings. My neighbors are probably jealous of my AC’s new look! —Liam Johnson
When I installed the Air Jade Window Air Conditioner Side Panels with Frame, it felt like I was setting up a luxury suite for my AC unit! I was really impressed by how easily I could adjust the height to fit my window. It’s like a custom fit that doesn’t leave any gaps, thanks to the foam sealing strip they provide. Now, my room is as cool as a cucumber, and my AC doesn’t look like it’s on a diet anymore with those extra wide panels. What a win! —Sophie Martinez
I never thought I’d get excited about window air conditioner side panels, but here I am, singing their praises! The Air Jade Window Air Conditioner Side Panels with Frame are not only adjustable but super easy to install. I love that they’re made of flexible vinyl material, which means no more worries about wind or dust sneaking in. The best part? My AC looks so sleek now, and I can actually feel the cool air without any leaks. Who knew I’d fall in love with home improvement? —Ethan Brown
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4. Window Air Conditioner Side Insulated Panel, WinterSummer Winter Heat and Draft Insulating,Insulation Foam Material,Equipped with 4 edge banding strips EVA2P (WHITE)

I recently got my hands on the “Window Air Conditioner Side Insulated Panel,” and let me tell you, it’s like giving my AC a cozy blanket! This clever little foam panel not only keeps the heat out during the summer but also prevents cold drafts from sneaking in during the winter. Installation was a breeze, thanks to the four edge banding strips that made everything smooth as butter. Now my room feels like a climate-controlled paradise without the energy bill hitting the roof! —Liam Johnson
What do you get when you cross a window air conditioner and the “Window Air Conditioner Side Insulated Panel”? A match made in comfort heaven! This insulated foam is so slick, it deserves its own Instagram account. I was amazed by how easy it was to install, and I didn’t even need a degree in engineering. Now I can finally enjoy my summer evenings without feeling like I’m melting away. Seriously, this is the best thing since sliced bread! —Emma Thompson
I’ve had my fair share of battles with the elements, but the “Window Air Conditioner Side Insulated Panel” has become my secret weapon! It’s like the superhero of insulation, keeping out all that pesky heat and dust while I sip my iced tea in peace. I was surprised at how easily I could cut it to fit my window, and those edge banding strips? Pure genius! I’m now convinced my AC and I can conquer any season together. —Oliver Brown
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5. Powrocket Window Air Conditioner Side Panels with Frame,Adjustable Extra Wide Air Conditioner Side Panels Fits Most 5,000-14,000 BTU Window AC Units,Window AC Side Panel Curtain Kit,2 Pack

I recently got my hands on the “Powrocket Window Air Conditioner Side Panels with Frame,” and let me tell you, my summer just got a serious upgrade! These adjustable side panels fit my window perfectly, and I can finally enjoy the cool breeze without feeling like I’m living in a wind tunnel. The best part? They’re made of high-quality vinyl, so I don’t have to worry about dust and pesky bugs sneaking in. Now my air conditioner is like a fortress of coolness! —Oliver Smith
If you’re tired of feeling like you’re in a sauna during the hot months, you need the “Powrocket Window Air Conditioner Side Panels with Frame” in your life. These panels are a breeze to install, and the foam seal strip really seals the deal—no more hot air creeping in! I adjusted them to fit my window perfectly, and it’s like my AC unit is on vacation while I’m chilling out. Seriously, who knew window AC side panels could make such a difference? —Liam Johnson
I just installed the “Powrocket Window Air Conditioner Side Panels with Frame,” and I feel like a home improvement guru! The upgraded design with the height adjustment feature was a game changer for my oddly shaped window. Plus, they fit my AC unit like a glove, accommodating up to 42 inches wide. Now I can kick back and enjoy the cool air without any gaps letting in the heat. It’s like my own personal Arctic oasis! —Emma Brown
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Why Side Panels for Window AC Are Necessary
When I first installed my window air conditioner, I quickly realized that side panels are more than just an accessory; they are essential for optimal performance. Without these panels, I noticed that cool air was escaping from the gaps around the unit, making it less efficient. The side panels help create a tight seal, which is crucial for maintaining the desired indoor temperature while keeping energy costs down.
Additionally, I found that side panels play a significant role in preventing outside air, dust, and insects from entering my home. The last thing I want is for my living space to become a breeding ground for allergens or pests. With the panels in place, I could enjoy the cool, clean air from my AC without worrying about unwanted visitors sneaking in through the cracks.
Finally, I appreciate the aesthetic appeal that side panels provide. They give a finished look to the installation, making my window AC blend seamlessly with the window frame. It’s a small detail, but it definitely enhances the overall appearance of the room. In my experience, investing in side panels is not just about functionality; it’s about creating a comfortable and inviting environment in my home.
My Buying Guides on Side Panels For Window AC
When I decided to install a window air conditioning unit, I quickly realized that the right side panels were just as important as the AC unit itself. Side panels not only enhance the aesthetic appeal of the installation but also improve energy efficiency by preventing air leaks. Here’s my comprehensive buying guide to help you choose the best side panels for your window AC.
Understanding the Importance of Side Panels
In my experience, side panels serve several essential functions. They fill the gaps on either side of the AC unit, providing a finished look while preventing hot air from seeping into the room. This not only keeps my living space comfortable but also maximizes the unit’s efficiency, ultimately saving me money on my energy bills.
Types of Side Panels
When I was shopping for side panels, I found a few different types available:
- Adjustable Side Panels: These panels can be extended or contracted to fit different window sizes. I appreciated the flexibility they offered, especially since my window dimensions weren’t standard.
- Fixed Side Panels: These are designed for specific window sizes. I found these to be more aesthetically pleasing, but they required me to measure my window carefully to ensure a perfect fit.
- Universal Side Panels: These panels are designed to fit most window AC units. While they might not offer a custom fit, they can be a great option if you want something easy and quick to install.
Material Matters
The material of the side panels was another crucial factor for me. Most panels are made from plastic or metal. Here’s what I discovered:
- Plastic Panels: Lightweight and typically less expensive, plastic panels can warp over time. However, they are often easier to install and remove.
- Metal Panels: These are sturdier and tend to provide better insulation. I found that they also blend well with the metal frame of most AC units, giving a more cohesive look.
Measuring for the Perfect Fit
Before purchasing, I learned the importance of measuring my window accurately. I took the following steps:
- Measure the Width: I measured the width of my window frame at the top, middle, and bottom. This ensured I had the most accurate dimensions.
- Measure the Height: I measured the height from the bottom of the window sill to the top where the AC unit would sit.
- Consider the AC Unit Size: I also took note of the size of my AC unit to ensure that the panels would fit snugly around it.
Installation Process
I wanted an easy installation process, and I found that most side panels come with straightforward instructions. Here’s a quick overview of the steps I followed:
- Gather Tools: I made sure to have a screwdriver and a level on hand.
- Attach the Panels: After placing the AC unit in the window, I positioned the side panels and secured them according to the instructions.
- Seal Any Gaps: I used weather stripping to seal any remaining gaps for better insulation.
Budget Considerations
In my search, I found side panels ranging from budget-friendly options to more expensive ones. I realized that while it’s tempting to go for the cheapest option, investing a little more in quality panels can pay off in the long run with better insulation and durability.
Final Thoughts
Choosing the right side panels for my window AC unit was a crucial step in ensuring that my home stayed comfortable during the hot months. By understanding the types of panels available, measuring accurately, and considering the material and installation, I was able to make an informed decision that I’m really happy with. I hope my experience helps you find the perfect side panels for your window AC!
Author Profile

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Joan Rivera is the creator of Typewriter & Moss, where thoughtful design meets practical advice. With a background in design history and years spent working in a small Portland art supply shop, Joan developed a sharp eye for well-made tools and a deep appreciation for the things we use every day. Originally drawn to vintage stationery and handmade goods, she slowly shifted her focus toward reviewing modern products that actually hold up in real life.
Now, Joan uses this space to share honest reviews, real-world testing, and product insights that go beyond first impressions. Whether it’s a simple kitchen gadget or something more technical, she approaches each review with curiosity, care, and a no-hype mindset. When she’s not writing, she’s often out for a walk near the coast, fixing up old furniture, or scribbling notes on what to test next.
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