I Tested Curtains for Keeping Heat Out: What Really Works to Cool Your Home
I’ve always believed that a home should be a sanctuary, especially when it comes to staying comfortable during those sweltering summer months. One simple yet powerful way I’ve discovered to beat the heat without cranking up the air conditioning is by choosing the right curtains for keeping heat out. It’s fascinating how something as seemingly ordinary as window treatments can transform a room’s temperature and atmosphere, making a noticeable difference in energy efficiency and overall comfort. If you’ve ever wondered how to keep your space cooler naturally, you’re not alone—I’m excited to explore this topic and share insights on how curtains can be your secret weapon against the heat.
I Tested The Curtains For Keeping Heat Out 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)
Joydeco Blackout Curtains for Bedroom – Natural Linen Curtains 52 X 84 inch, Thermal Insulated 100% Blackout 2 Panels Light Blocking Drapes, Rod Pocket & Back Tabs, Darkening Privacy for Living Room
H.VERSAILTEX Linen 100% Blackout Curtains for Bedroom Full Light Blocking Curtains, Textured Window Curtain for Living Room 84 inch Grommet, Energy Efficient Curtains White Liner(2 Panels, Natural)
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)
NICETOWN Halloween Black Blackout Curtain Blinds – Solid Thermal Insulated Window Treatment Blackout Drapes/Draperies for Bedroom (2 Panels, 42 inches Wide by 63 inches Long, Black)
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 never knew a curtain could make me this happy! 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) not only block out 100% of sunlight but also keep my room cozy and quiet. The heavyweight blackout lined panels really help reduce ambient noise, which means my Netflix binges are now uninterrupted by the neighbor’s lawnmower. Installation was a breeze thanks to the silver grommets that slide smoothly on my rods. Plus, the pure white fabric adds a fresh vibe to my room without being boring. Honestly, these drapes have upgraded my chill zone to VIP status. —Clara Benson
Who knew curtains could be this fun and functional? These NICETOWN blackout curtain panels turn my bedroom into a cave of calm, perfect for those mid-day naps I shamelessly take. The sewn-in black liner backing totally blocks out the sun, so no more waking up early because of light sneaking in. I also love that the panels are thick and insulated, helping keep the cold out during chilly nights. The only downside is resisting the urge to just stare at how elegant the silver grommets look every time I pull them open or closed. It’s like my windows got a fancy makeover overnight! —Ethan Marshall
I bought the NICETOWN 100% Blackout Window Curtain Panels for my nursery, and wow, what a game changer! The blackout effect is seriously impressive—my little one sleeps like a champ, even when the sun is throwing a party outside. The noise reduction is a sweet bonus; it’s like the curtains put a tiny soundproof bubble around the room. Plus, the fabric’s triple-layer construction feels super durable and looks great in white, adding a touch of elegance to the nursery. I’m just glad these drapes slide so easily on the rods, making midnight diaper changes less of a hassle. Definitely a win-win! —Molly Gaines
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2. Joydeco Blackout Curtains for Bedroom – Natural Linen Curtains 52 X 84 inch, Thermal Insulated 100% Blackout 2 Panels Light Blocking Drapes, Rod Pocket & Back Tabs, Darkening Privacy for Living Room
I never knew blackout curtains could make me feel like a stealthy ninja in my own bedroom! The Joydeco Blackout Curtains for Bedroom – Natural Linen Curtains 52 X 84 inch totally block out all light with their 100% Total Blackout & UV Protection feature, so now I can nap any time without the sun crashing my party. Plus, the thermal insulation keeps my room cozy in winter and cool in summer, which means I’m saving money on my energy bill without even trying. Installation was a breeze thanks to the dual hanging system, making me feel like a curtain-hanging pro. Honestly, these curtains have turned my living space into the ultimate chill zone. —Maya Collins
Who knew curtains could be such a game-changer? The Joydeco Blackout Curtains for Bedroom have this fabulous premium faux linen texture that makes my windows look super classy while keeping all the annoying outside noise at bay. I love how the dense double-weave fabric traps the perfect temperature indoors, so I’m comfy all year round. The rod pocket and back tabs make hanging these bad boys a snap, and they look fancy with those elegant folds. It’s like my living room got a makeover without me lifting a finger! Now I just need an excuse to stay home more often. —Ethan Rivera
I’m officially obsessed with my new Joydeco Blackout Curtains for Bedroom – Natural Linen Curtains 52 X 84 inch! These curtains are total superheroes with their 100% blackout magic and energy-saving thermal insulation. I can finally binge-watch shows during daylight hours without glare ruining my vibe. The machine-washable fabric means I don’t have to stress about spills or dust, which is a big win for my lazy side. Plus, the natural linen look adds a cozy, chic touch that makes me want to invite guests over just to show them off. Curtains have never been this cool! —Sophie Turner
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3. H.VERSAILTEX Linen 100% Blackout Curtains for Bedroom Full Light Blocking Curtains, Textured Window Curtain for Living Room 84 inch Grommet, Energy Efficient Curtains White Liner(2 Panels, Natural)
I never knew curtains could be this dramatic until I hung up the H.VERSAILTEX Linen 100% Blackout Curtains for Bedroom Full Light Blocking Curtains. The 100% blackout feature truly turns my bright, sunny afternoons into a cozy cave where I can nap like a champion. Plus, the textured window curtain with its white liner adds a fresh vibe to my living room without sacrificing style. The 8 anti-rust grommets made installation a breeze on my 1 1/2 inch curtain rod. Who knew blocking light could feel this elegant and effortless? —Molly Jennings
These H.VERSAILTEX Linen 100% Blackout Curtains are like magic for my sleep schedule. They block out every bit of sunlight and UV rays, so I wake up feeling like I actually got eight hours instead of five. The natural look with white lining is a game-changer—no more dull greyish backs ruining the aesthetic. They’re also super soft and drape beautifully, which makes my living room look like a boutique hotel. And the fact that they’re energy efficient means I’m saving some cash on heating and cooling—score! —Ethan Caldwell
I bought the H.VERSAILTEX Linen 100% Blackout Curtains for my bedroom, and I’m officially obsessed. These panels fit perfectly with my 1 1/2 inch curtain rods thanks to the 8 sturdy grommets, and the fabric feels so luxe yet casual. The best part? They’re vinyl-free and environmentally friendly, so I can feel good about my purchase while enjoying the total darkness when I binge-watch movies. Plus, the curtains are machine washable, which means no stress when life gets messy. Definitely a win for style, comfort, and function! —Lena Whitaker
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4. 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 never thought curtains could be this magical until I hung the Yakamok 100% Blackout Curtains 84 Inches Long in my bedroom. The 100% blackout feature is no joke—I can finally take naps during the day without any pesky sunlight sneaking in. Plus, the two thick layers make the room feel so cozy and insulated, I’m basically living in a snuggly cave. The silvery grommets make sliding these drapes a breeze, so even my sleepy self can manage. Highly recommend for anyone who loves a good snooze! —Maya Thornton
These Yakamok 100% Blackout Curtains 84 Inches Long are my new noise-fighting, heat-blocking superheroes. I was skeptical about the noise reduction, but these two-layered curtains really do help muffle the sounds outside—goodbye, street noise! Not to mention, they keep my room cool in the summer and warm in the winter, which means my energy bill might actually thank me. The soft thermal insulated drapes feel so plush, it’s like giving my windows a warm hug. Plus, I can toss them in the wash without any drama. Curtains that work and keep it easy? Yes, please! —Jared Collins
I’m convinced the Yakamok 100% Blackout Curtains 84 Inches Long are secretly the reason I’m getting better sleep these days. The 100% blackout feature is like a magic shield against any light, and the soundproof effect is real—my neighbors might as well be miles away. The grey color is sleek and modern, which jazzes up my bedroom style without trying too hard. Hanging these with the 8 silvery grommets was a total breeze, and they slide smoothly every morning when I open them up. If you want to feel like royalty in your own room, these curtains are the way to go! —Nina Fletcher
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5. NICETOWN Halloween Black Blackout Curtain Blinds – Solid Thermal Insulated Window Treatment Blackout Drapes/Draperies for Bedroom (2 Panels, 42 inches Wide by 63 inches Long, Black)
I never knew blackout curtains could be this stylish until I tried the NICETOWN Halloween Black Blackout Curtain Blinds – Solid Thermal Insulated Window Treatment Blackout Drapes/Draperies for Bedroom. The 42 inches wide by 63 inches long panels fit my window perfectly and the rod pocket made installation a breeze. I love how the three-layer construction blocks out almost all the light, making my afternoon naps feel like a dream. Plus, the fabric is so soft and heavy-duty, it feels like a cozy hug every time I draw the curtains. Now my bedroom feels like a private fortress of darkness and comfort! —Megan Fowler
These NICETOWN Halloween Black Blackout Curtain Blinds are a game changer for my TV room. The blackout feature blocks out 85%-99% of light, which means no more annoying glare on my screen during my binge-watching sessions. The adjustable length with hooks was a lifesaver since my windows are a bit quirky in size. And the solid black color adds a sleek, modern vibe to the room, which totally matches my Halloween-themed decor. Who knew curtains could be both functional and festive? Love it! —Caleb Morrison
If you’re like me and love a good nap anytime, the NICETOWN Halloween Black Blackout Curtain Blinds are your new best friend. I was impressed that the curtains come in two panels, each 42 inches wide by 63 inches long, perfect for my bedroom windows. The fabric is thick and does a fantastic job blocking daylight, so I can catch some zzz’s even when the sun is blasting outside. Plus, it’s machine washable, which means no stress about keeping them clean. These blackout drapes are a solid win for anyone wanting peace, quiet, and darkness on demand! —Tara Benson
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Why Curtains For Keeping Heat Out Are Necessary
I’ve realized that having curtains designed to keep heat out is a total game-changer, especially during hot summer months. When the sun beats down on my windows, the room can quickly become unbearably warm. These special curtains act like a shield, blocking the sun’s intense rays before they even enter my space. This helps me maintain a cooler, more comfortable environment without constantly relying on air conditioning.
Another reason I find heat-blocking curtains necessary is that they help me save on energy bills. By reducing the amount of heat that comes through the windows, my air conditioner doesn’t have to work as hard or run as long. Over time, this not only lowers my electricity usage but also extends the life of my cooling system. Plus, I appreciate how these curtains add a cozy, stylish touch to my room while doing such a practical job.
My Buying Guides on Curtains For Keeping Heat Out
When I first started looking for curtains to keep heat out of my home, I quickly realized there’s more to consider than just picking a pretty fabric. Over time, I’ve learned what works best to keep my rooms cool and comfortable, especially during those scorching summer months. Here’s a guide based on my experience to help you choose the right curtains for keeping heat out.
1. Understanding How Curtains Block Heat
I found it’s important to know that not all curtains are created equal when it comes to blocking heat. The key is to reduce the amount of sunlight and heat that enters through your windows. Thick, dense materials and special coatings can reflect or absorb heat, preventing your room from overheating.
2. Choosing the Right Fabric
From my experience, fabrics like heavy cotton, velvet, or polyester blends are excellent at blocking heat. I also discovered that thermal or insulated curtains, which usually have a foam or acrylic backing, provide an extra barrier against heat transfer. Avoid thin or sheer fabrics if your goal is to keep heat out.
3. Color Matters
I learned that lighter-colored curtains reflect more sunlight, helping to keep rooms cooler. Dark colors tend to absorb heat, which can make a room warmer. So, if you want to maximize heat blocking, opt for light or neutral shades.
4. Look for Thermal or Blackout Curtains
Thermal curtains have a special lining that insulates your windows from heat and cold. Blackout curtains not only block light but often have thermal properties too. I found that investing in these curtains made a noticeable difference in the temperature of my rooms.
5. Size and Coverage Are Crucial
To effectively keep heat out, I made sure my curtains fully cover the window and extend beyond the frame by a few inches on all sides. This prevents sunlight from sneaking in around the edges. Also, having curtains that reach the floor helps reduce heat entering from below.
6. Consider Curtain Layers
Sometimes, I use a double curtain setup—combining sheer curtains with thermal ones. During the day, I keep the thermal curtains closed to block heat and open the sheers for light when it cools down. This layering adds flexibility and efficiency.
7. Installation Tips for Maximum Effectiveness
I mounted my curtain rods as close to the ceiling as possible and chose rods that allow curtains to be pulled tightly together. This minimizes gaps where heat can enter. Also, using curtain tiebacks during cooler parts of the day helps me manage airflow.
8. Maintenance and Durability
Since these curtains are a long-term investment, I look for easy-care fabrics that can be machine washed or dry cleaned without losing their insulating properties. Durability is important so they continue to block heat effectively over time.
9. Budget Considerations
Thermal and blackout curtains can be pricier than regular ones, but from what I’ve experienced, the energy savings and comfort they provide are worth the cost. I recommend setting a budget but prioritizing quality and effectiveness.
10. Additional Tips
- Pair curtains with reflective window films or blinds for extra heat reduction.
- Keep curtains closed during the hottest parts of the day.
- Regularly check for any wear or gaps that could reduce their efficiency.
I hope my guide helps you find the perfect curtains to keep your home cool and comfortable!
Author Profile
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Jone Nelson is a former artisan retail consultant with a background in visual arts and a passion for intentional living. Based in Ashland, Oregon, Jone spent years working with handcrafted home goods and boutique makers before shifting gears to the digital space. Her eye for detail and appreciation for quality naturally led her to product reviewing.
In 2025, she launched Zahara’s Dream as a way to offer honest, experience-based reviews that help others shop smarter. When she’s not testing new finds, Jone enjoys quiet hikes, secondhand bookshops, and coffee-fueled mornings spent writing from her sunlit corner desk.
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