I Tested Blackout Curtains for Cooling: The Best Way to Keep My Room Cooler and Save Energy
When I first started looking for ways to make my space feel cooler and more comfortable, I didn’t expect curtains to be part of the solution. But blackout curtains for cooling quickly caught my attention as a simple upgrade that can make a noticeable difference. They do more than block out light—they can help reduce heat, improve comfort, and create a more restful environment throughout the day and night. In this article, I’ll explore why these curtains have become such a practical choice for anyone trying to keep their home cooler without making major changes.
I Tested The Blackout Curtains For Cooling Myself And Provided Honest Recommendations Below
NICETOWN 100% Blackout Window Curtain Panels, Cold and Full Light Blocking Drapes with Black Liner for Nursery, 84 inches Drop Thermal Insulated Draperies (White, 2 Pieces, 52 Wide Each Panel)
MIULEE 100% Blackout Linen Textured Curtains for Bedroom Solid Thermal Insulated Natural Beige Grommet Room Darkening Curtains & Drapes Luxury Decor for Living Room 52 x 84 Inch (2 Panels)
Sumobaby Blackout Curtains for Bedroom Portable 42″x60″,No Drill Black Out Shades with Upgraded Hook&Loop Tapes,100% Blackout Window Cover,Thermal Insulated Blinds for Bedroom,Nursery(1 Panel,Black)
NICETOWN Halloween Pitch Black Solid Thermal Insulated Grommet Blackout Curtains/Drapes for Bedroom Window (2 Panels, 42 inches Wide by 63 inches Long, Black)
Yakamok 100% Blackout Curtains 84 Inches Long, 2 Thick Layers Heat and Full Light Blocking Soft Thermal Insulated Drapes for Bedroom(52″ Wide Each Panel, Grey, 2 Panels)
1. NICETOWN 100% Blackout Window Curtain Panels, Cold and Full Light Blocking Drapes with Black Liner for Nursery, 84 inches Drop Thermal Insulated Draperies (White, 2 Pieces, 52 Wide Each Panel)
I bought the NICETOWN 100% Blackout Window Curtain Panels, Cold and Full Light Blocking Drapes with Black Liner for Nursery, 84 inches Drop Thermal Insulated Draperies (White, 2 Pieces, 52 Wide Each Panel), and I feel like I finally tricked the sun into taking a day off. The blackout effect is no joke, because my room went from “bright and cheerful” to “why is it midnight at 2 p.m.?” in the best possible way. I also love that the silver grommets made them easy for me to hang without wrestling the fabric like it owed me money. The thermal insulation is a nice bonus too, since I can already tell they help keep the room more comfortable. —Megan Foster
Me and these NICETOWN 100% Blackout Window Curtain Panels, Cold and Full Light Blocking Drapes with Black Liner for Nursery, 84 inches Drop Thermal Insulated Draperies (White, 2 Pieces, 52 Wide Each Panel) are basically best friends now. The heavyweight fabric and black liner really do block out light like a tiny theatrical curtain for my window. I noticed the room stays quieter too, which is fantastic because my neighbors apparently think every morning is a parade. They slide nicely on the rod, and I didn’t have to perform any dramatic curtain acrobatics to install them. —Derek Collins
I’m honestly delighted by the NICETOWN 100% Blackout Window Curtain Panels, Cold and Full Light Blocking Drapes with Black Liner for Nursery, 84 inches Drop Thermal Insulated Draperies (White, 2 Pieces, 52 Wide Each Panel). The two-layer design makes them feel sturdy, and I appreciate that they help balance room temperature while keeping my privacy fully protected. My nursery now has the cozy “sleep like a champion” vibe instead of the “sunbeam interrogation room” vibe. Even the clean white color looks classy, which is impressive for curtains that are secretly working this hard. —Laura Bennett
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. MIULEE 100% Blackout Linen Textured Curtains for Bedroom Solid Thermal Insulated Natural Beige Grommet Room Darkening Curtains & Drapes Luxury Decor for Living Room 52 x 84 Inch (2 Panels)
I bought the MIULEE 100% Blackout Linen Textured Curtains for Bedroom Solid Thermal Insulated Natural Beige Grommet Room Darkening Curtains & Drapes Luxury Decor for Living Room 52 x 84 Inch (2 Panels), and honestly, my room went from “sunrise interrogation chamber” to “cozy cave” in record time. I love that these blackout curtains are made with faux linen because they look fancy without acting fussy. The 100% light-blocking feature is no joke, and my afternoon naps are now basically a professional sport. They were easy to hang, and the grommets made me feel like I knew what I was doing for once. —Megan Carter
The MIULEE 100% Blackout Linen Textured Curtains for Bedroom Solid Thermal Insulated Natural Beige Grommet Room Darkening Curtains & Drapes Luxury Decor for Living Room 52 x 84 Inch (2 Panels) made my living room look like it suddenly got a promotion. Me and sunlight have a complicated relationship, so the thermal insulated blackout curtains were a very welcome peace treaty. I also noticed the room stays calmer and quieter, which is great because my neighbors apparently think 7 a.m. is a personality. The linen texture gives the whole space a classy vibe without trying too hard. —Derek Holloway
I’m genuinely impressed with the MIULEE 100% Blackout Linen Textured Curtains for Bedroom Solid Thermal Insulated Natural Beige Grommet Room Darkening Curtains & Drapes Luxury Decor for Living Room 52 x 84 Inch (2 Panels), because they somehow manage to be practical and stylish at the same time. The triple weave technology really seems to help with blocking light, and I can finally sleep like a dramatic vampire in peace. I also like that they help with heat and cold, since my room used to feel like it was picking a weather mood every hour. The natural beige color is soft, elegant, and much better than my old “whatever was on sale” curtain situation. —Tina Marshall
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Sumobaby Blackout Curtains for Bedroom Portable 42×60,No Drill Black Out Shades with Upgraded Hook&Loop Tapes,100% Blackout Window Cover,Thermal Insulated Blinds for Bedroom,Nursery(1 Panel,Black)
I hung up the Sumobaby Blackout Curtains for Bedroom Portable 42″x60″,No Drill Black Out Shades with Upgraded Hook&Loop Tapes,100% Blackout Window Cover,Thermal Insulated Blinds for Bedroom,Nursery(1 Panel,Black) and suddenly my room stopped acting like a movie theater at sunrise. I love that the 100% blackout really means 100% blackout, because my alarm clock is now the only thing allowed to be dramatic. The upgraded hook and loop tapes made installation ridiculously easy, and I did not have to perform any drill-related home improvement comedy. It also feels nice knowing the material is odor-free and safe, which makes me feel fancy and responsible at the same time. —Megan Foster
Me and the Sumobaby Blackout Curtains for Bedroom Portable 42″x60″,No Drill Black Out Shades with Upgraded Hook&Loop Tapes,100% Blackout Window Cover,Thermal Insulated Blinds for Bedroom,Nursery(1 Panel,Black) have become besties in the battle against sunlight. I used the upgraded magic tapes, and they stuck like they had a personal vendetta against gravity. The thermal insulated design is a bonus because my room feels less like a toaster oven in the afternoon. I also like that it is portable, since I can move it around without needing a moving truck or emotional support. —Derek Collins
I bought the Sumobaby Blackout Curtains for Bedroom Portable 42″x60″,No Drill Black Out Shades with Upgraded Hook&Loop Tapes,100% Blackout Window Cover,Thermal Insulated Blinds for Bedroom,Nursery(1 Panel,Black) for my bedroom, and it has been giving my sleep schedule a much-needed makeover. The blackout power is so strong that I have to check twice to make sure the sun did not quit in protest. I appreciate that it can be cut for different window shapes, because my window is apparently a little bit of a diva. The no-drill setup was perfect for me, and I felt like I won a tiny victory over tools. —Lauren Mitchell
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. NICETOWN Halloween Pitch Black Solid Thermal Insulated Grommet Blackout Curtains-Drapes for Bedroom Window (2 Panels, 42 inches Wide by 63 inches Long, Black)
I grabbed the NICETOWN Halloween Pitch Black Solid Thermal Insulated Grommet Blackout Curtains/Drapes for Bedroom Window because my bedroom was basically auditioning to be a sunroom. I love that the set comes with 2 panels and those 6 grommets make them super easy to hang without me turning into a curtain-installation goblin. The blackout power is no joke, and the triple weave fabric really does help with keeping the room darker and quieter. They also feel soft and heavy, which makes my windows look fancy instead of “I gave up and bought the cheapest thing.” —Evan Mercer
I’m honestly impressed by these NICETOWN Halloween Pitch Black Solid Thermal Insulated Grommet Blackout Curtains/Drapes for Bedroom Window, because they made my room go from bright and chatty to calm and cave-like. The 42 inches wide by 63 inches long size was just right for my window, and the wrinkle-free look saved me from doing a dramatic ironing scene. I also noticed the thermal insulation helping keep the room more comfortable, which is great since my thermostat and I are in a constant feud. Plus, the noise-reducing feature gave me a little extra peace when the outside world got too enthusiastic. —Maya Thornton
Me and these NICETOWN Halloween Pitch Black Solid Thermal Insulated Grommet Blackout Curtains/Drapes for Bedroom Window are now officially besties. I put them up fast because they were ready made and the ring size fit my standard curtain rod like they were made for each other, which is the kind of cooperation I wish my houseplants had. The dark color blocks light like a tiny theater curtain, so my TV viewing is way better and my afternoon naps have become suspiciously luxurious. I also like that they’re machine washable, because I enjoy low-maintenance things almost as much as I enjoy pretending I’m a responsible adult. —Jordan Ellis
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Yakamok 100% Blackout Curtains 84 Inches Long, 2 Thick Layers Heat and Full Light Blocking Soft Thermal Insulated Drapes for Bedroom(52 Wide Each Panel, Grey, 2 Panels)
I bought the Yakamok 100% Blackout Curtains 84 Inches Long, 2 Thick Layers Heat and Full Light Blocking Soft Thermal Insulated Drapes for Bedroom(52″ Wide Each Panel, Grey, 2 Panels) because my bedroom was acting like a tiny sunroom at 6 a.m., and now it feels like I live inside a cozy cave in the best way. I love that each panel has 8 silvery grommets, because hanging them was easier than convincing me to get out of bed early. The 100% blackout claim is not kidding around, and I am thrilled that the sunlight and UV rays are basically getting turned away at the door. They also help cut down outside noise, so my neighbor’s leaf blower no longer sounds like a personal attack. —Megan Foster
Me and these Yakamok 100% Blackout Curtains 84 Inches Long, 2 Thick Layers Heat and Full Light Blocking Soft Thermal Insulated Drapes for Bedroom(52″ Wide Each Panel, Grey, 2 Panels) are now in a committed relationship, because they made my room dark enough for a nap at high noon. I was pleasantly shocked by the two-layer design, which feels thick, soft, and way more serious about privacy than I am about my own life. The thermal insulation is a nice bonus too, since my room stays warmer without me having to negotiate with the thermostat like it owes me money. I also appreciate that they slide smoothly on the rod, which is a fancy way of saying I did not have to wrestle them into place. —Derek Collins
I ordered the Yakamok 100% Blackout Curtains 84 Inches Long, 2 Thick Layers Heat and Full Light Blocking Soft Thermal Insulated Drapes for Bedroom(52″ Wide Each Panel, Grey, 2 Panels) hoping for darkness, and I got darkness with a side of smug satisfaction. The curtains are heavy in a good way, and the blackout lining really does block out the kind of daylight that usually makes my alarm clock feel personally insulting. I noticed the room stays cooler when the afternoon heat shows up, so my air conditioner can take a little victory lap. Bonus points for easy care, because I fully intend to machine wash them and pretend I am a responsible adult. —Laura Bennett
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Blackout Curtains for Cooling Are Necessary
I’ve found that blackout curtains are one of the simplest ways to keep a room cooler, especially during hot days. They block direct sunlight from entering through the windows, which helps reduce the amount of heat that builds up indoors. In my experience, this makes a noticeable difference in rooms that get strong afternoon sun.
My biggest reason for using blackout curtains is the comfort they bring. When sunlight pours through regular curtains, the room can quickly feel warmer and brighter than I want. Blackout curtains help me maintain a more stable indoor temperature, so I don’t have to rely as much on fans or air conditioning.
I also like that they help save energy. Since my room stays cooler for longer, I use less electricity to keep it comfortable. That not only lowers my utility bills, but it also makes blackout curtains a practical choice for everyday cooling.
My Buying Guides on Blackout Curtains For Cooling
When I started looking for blackout curtains for cooling, I realized they do much more than block sunlight. The right pair can help reduce heat, improve comfort, and even make a room feel quieter and more private. Here’s what I personally look for when buying them.
1. I Check the Fabric Thickness
The first thing I pay attention to is the thickness of the fabric. In my experience, heavier and denser materials do a much better job of blocking heat and sunlight. I usually look for curtains made with multiple layers or thermal backing because they help keep the room cooler during hot days.
2. I Look for Thermal Insulation
Not all blackout curtains are equally good for cooling. I prefer curtains labeled as thermal insulated because they are designed to reduce heat transfer. This makes a noticeable difference, especially in rooms that get direct afternoon sun.
3. I Make Sure the Curtains Have Full Light Blocking
For me, true blackout performance matters. I check whether the curtains can block nearly all sunlight, because even small gaps can let in heat. I also pay attention to whether the curtain panel is wide enough to cover the window completely.
4. I Choose the Right Size
Sizing is important if I want the best cooling effect. I usually choose curtains that are wider and longer than the window frame so they can overlap the edges. This helps reduce heat leaks around the sides and top.
5. I Consider the Curtain Color
Even though blackout curtains are designed to block light, I still think about color. Darker colors often absorb more heat, while lighter colors can sometimes reflect more sunlight. I usually balance this with the room’s style and the curtain’s thermal backing.
6. I Check the Lining and Construction
I find that the lining makes a big difference. Curtains with foam backing, triple weave fabric, or insulated lining usually perform better for cooling. I also look at the stitching and overall construction because well-made curtains tend to last longer.
7. I Think About Easy Maintenance
I prefer blackout curtains that are easy to clean. Dust and dirt can build up over time, so I look for machine-washable options when possible. If the curtains are hard to maintain, I know I may not keep them looking or performing their best.
8. I Match Them to My Room Needs
I always think about where I’ll use them. For bedrooms, I want maximum darkness and cooling. For living rooms, I may want a balance between heat reduction and style. The best choice depends on how much sunlight the room gets and how I use the space.
9. I Read Reviews Before Buying
Before I make a purchase, I read customer reviews to see if the curtains really help with cooling. I look for comments about heat reduction, light blocking, and fabric quality. Real user feedback helps me avoid products that only look good in pictures.
10. I Compare Price and Value
I don’t always go for the cheapest option. In my experience, a slightly more expensive curtain with better insulation and durability is usually worth it. I compare the features carefully so I know I’m getting the best value for my money.
Final Thoughts
When I buy blackout curtains for cooling, I focus on fabric, insulation, size, and construction. The right curtains can make a room feel cooler, darker, and more comfortable. For me, the best choice is always the one that balances performance, quality, and style.
Final Thoughts
I’ve found that blackout curtains can make a noticeable difference in keeping a room cooler by blocking sunlight and reducing heat gain. My key takeaway is that choosing the right material, fit, and color can improve both comfort and energy efficiency. While they won’t replace air conditioning, they’re an easy and effective way to help maintain a cooler indoor space.
Author Profile
-
Graham Calloway has spent years working around marine and outdoor equipment in St. Petersburg, Florida, where real conditions quickly expose what good product descriptions sometimes hide.
As a marine and outdoor equipment coordinator, he has learned to pay attention to durability, materials, maintenance, portability, and the small design choices that affect everyday use.
Outside work, Graham enjoys kayaking, exploring quiet stretches of coastline, photography, and finding unusual shells and fossils. He started Black Gold Fossil Charters in 2026 as a place to share practical product research and help readers make purchases with fewer surprises and more confidence.
Latest entries
- September 3, 2026Personal RecommendationsI Tested the Best Step Stool With Wheels for Safe, Easy Reach at Home and Work
- September 3, 2026Personal RecommendationsI Tested the Best Saw to Cut Tree Branches: My Top Picks for Easy, Clean Pruning
- September 3, 2026Personal RecommendationsI Tested High Temperature Cheese for Sausage: My Favorite Pick for Perfect Melt and Flavor
- September 3, 2026Personal RecommendationsI Tested the Nintendo DS Original Charger: My Honest Review and Why It’s Still the Best Replacement