Best Window Coverings To Keep Heat Out – Top Picks & Guide

Imagine this: the sun blazes down, turning your home into a sauna. You’re sweating, your energy bills are soaring, and you just want some relief. Sound familiar? As summer temperatures climb, our homes can feel like ovens, making it tough to stay cool and comfortable.

Choosing the right window coverings to block out that intense heat can feel overwhelming. There are so many choices, and it’s hard to know which ones actually work. You want something that looks good, fits your budget, and, most importantly, keeps your home cooler without making it dark and gloomy. It’s a balancing act, and finding the perfect solution can be frustrating.

But don’t worry! This post is here to help. We’ll break down the best window coverings that are experts at keeping the heat out. You’ll learn what makes them effective, discover different styles, and find out how to pick the perfect ones for your home. Get ready to say goodbye to sweltering rooms and hello to a cooler, more comfortable living space.

Top Window Coverings To Keep Heat Out Recommendations

No. 1
Reflective Bubble Insulation Sheet, Double Side Aluminum Foil Bubble Shield, Aluminum Foil Thermal Insulation Radiant Barrier for Windows, RV, Roof, Garage Door (23.6IN X 10FT)
  • Premium Material: The double-sided insulation roll is made of high-quality reflective aluminum film and polyethylene air bubble cushion, with a surface round hole design to increase reflectivity. The RV window insulation is durable and long-lasting, resistant to scratches.
  • Temperature Protection: The reflective insulation roll reduces heat transfer for year-round comfort, while the reflective bubble sheet provides energy-saving, window insulation and privacy protection.
  • Excellent Performance: The window insulation for summer has excellent waterproof performance, allowing worry-free outdoor use. It is easy to clean with a simple wipe. When not in use, it can be easily folded up for space-saving and convenient carrying.
  • Wide Usage: Our insulation sheet is versatile and can be used for various spaces, including windows, RVs, roofs, garage doors, and more as a heat blocker.
  • Easy Installation: The usage of the foil insulation roll is easy and convenient. Simply cut it to the desired size with a utility knife or scissors, then use the provided double-sided tape for easy installation.
No. 2
BKSAI 100% Blackout Curtains for Bedroom, Magnetic Portable Blackout Shades for Travel, Black Out Window Cover No Drill Cuttable for Bedroom, Nursery, Media Room, RV, 39x57 inch
  • Complete Blackout: Tired of Light Pollution Disrupting Your Sleep? Our magnetic blackout window film made from premium 420D Oxford fabric that is resistant to wear and tear, achieves complete darkness with our blackout curtains for better sleep, home theaters, or any other use where total light blocking is required.
  • Magnetic Installation: Easy to install with no-trace adhesive-backed magnets, allowing for quick and tool-less setup. Simply attach the magnets to your window frame and align the curtain's iron pieces. Once you no longer need black out, the no-trace adhesive-backed magnets ensure that there is no annoying marks on your window frame.
  • Thermal Insulation: Maintain your indoor temperature by reducing direct sunlight. Our room darkening window film blocks out all external light, significantly lowering room temperature by preventing sunlight from entering your space, keeping it cooler in summer, and helping reduce cooling costs in a busy city.
  • DIY Customization: Easily cut or fold the blackout blinds to fit any window shape or size, providing a perfect custom fit for your needs. Ideal for bedrooms, nurseries, offices, home theaters, and any other space where you need to block out light and maintain privacy.
  • Our blackout window cover is primarily made from polyester, capable of blocking 100% of UV rays. However, the thickness is less than traditional curtains and may have fold creases which may result in a slight decrease in interior aesthetics. If you are concerned about aesthetics while needing blackout effects, it is recommended to use our product in conjunction with traditional curtains.
No. 3
Black Out Window Cover Portable Blacout Curtain for Bedroom Blackout Shades
  • Blackout blind: Portable blackout curtains for bedroom are made of safe and non-toxic materials, can fit well with windows and no light around. The back of guard total blackout blinds no drill have a special silver coating. In summer, it can block sunlight and reduce the entry of ultraviolet rays into your room, creating a dark environment for you. Total window shades blackout & window blinds blackout also have an insulating effect in winter, which can reduce heat loss in the room.
  • DIY Shape and Size: 40x57 inch no drill blackout blinds for bedroom windows shades are large enough to be cut into many shape and size according to your requirements. Blackout window blinds no drill & removable blackout window cover are suitable for windows of various shapes such as rectangles, circles and polygons. To achieve a better light-blocking effect, it is recommended to cut room darkening shades larger than the window.
  • Widely Use: Shades for indoor window treatments are easy to fold and carry, suitable for home, house, skylight, dorm, nursery, hotel, dormitory, room, travel, RV, bedroom and more other places. You can carry guard blinds for windows & rv window coverings & sleepout portable blackout curtain when traveling or on a business trip, temporary blackout shades for windows can create a dark and private sleeping environment for you at sleep time to improve sleep quality.
  • CUSTOMER SERVICE: Our black out blinds for window heat blocker have high-quality customer service. If you have questions about window blackout cover, please feel free to contact us and we will solve the problem for you as soon as possible. If you feel that no drill blackout shades for bedroom windows have a smell, just unfold it and place it in a well-ventilated area for a few days.
  • Tips: Due to the influence of environmental temperature, low temperatures will cause the adhesion of nano stickers and Hook&Loop to deteriorate. Using a hair dryer on the low or medium temperature setting for heating will result in a more stable and long-lasting adhesion effect
No. 4
winemana Window Insulation Roll, 48IN x 10FT Reflective Heat Shield Bubble Film, Double-Sided Aluminum Foil Insulation, Weatherproof Garage Door Cover for Windows, RV, Basement, Winter & Summer
  • High-Efficiency Heat Reflection: Designed with multi-layer reflective aluminum, this double-sided insulation foil effectively blocks up to 90% of solar radiation, reducing heat buildup in your car, home, RV, or tent, ensuring a cooler and more comfortable environment.
  • Tear-Resistant Material: Made from high-density aluminum film, this heat window insulation sheet is tear-resistant and long-lasting. The heat shrink film withstands high temperatures and outdoor exposure, making it ideal for windows, greenhouses, and car windshields, providing a clear, airtight seal for maximum thermal efficiency.
  • Easy Installation & Multi-Purpose Use: This foil insulation sheet is lightweight and easy to install on car windshields, home windows, patios, and outdoor tents. It can be attached using tape, suction cups, clamps, or hooks, making adjustments effortless.
  • Lightweight & Foldable for Easy Storage: Unlike bulky sunshades, this reflective foil sunshade is foldable and lightweight, allowing for convenient storage in the car, RV, or toolbox when not in use, offering a practical and space-saving solution.
  • Versatile Use for Home, Car and Outdoor Protection: Suitable for basement windows, cars, homes, patios, greenhouses, warehouses, and more, this summer heavy-duty reflective insulation film shields against extreme heat while maintaining airflow, making it the ideal sunshade solution for any season.
No. 5
FADOTY Blackout Curtains for Bedroom, Portable 100% Black Out Window Cover Film, Cuttable Blackout Shades Fabric Sheet, No Drill Window Blinds, Sun Heat Light Blocker for Travel Media Dorm, 57'' W
  • Complete Blackout: Whether you work night shifts or have kids who nap during the day, FADOTY 100% blackout window cover creates the perfect dark environment by completely blocking sunlight and UV rays, helping you sleep better and stay cool
  • Easy 3-Step Installation: Just measure, cut, and stick - done in minutes! Portable blackout curtains work with your existing setup, no need for blinds, rods, or drilling. Once you no longer need black out, just peel it off and store for next time
  • Customizable Size: 118'' x 57'' travel blackout curtains is easy to cut and fit any window shape or size, suitable for bedroom, nursery, office, RV, photo studio. For best results, cut the blackout cover slightly oversized to minimize light leakage
  • Thermal Insulation: Featuring heat-reflective layers, this window heat blocker minimizes indoor heat buildup by blocking sunlight, helping keep your space cooler in hot weather, reduce A/C usage, and improve energy efficiency
  • Blackout On the Go: This window sun blocker offers a quick, portable, and temporary solution for light blocking - perfect for travelers or apartment renters. It also comes with a handy carrying pouch for easy storage and transport
No. 6
One Way Privacy Window Film Sun Blocking, Heat Blocking Window Tint for Home See Out But Not in, Static Cling & Anti UV, Black-Silver,17.5 Inch x 78.74 Inch
  • High-Quality Materials & 3 Free Tools: Crafted with newly developed PET and PVC materials, our one way window film ensures superior insulation, clarity, and durability. Unlike ordinary PVC or PET window tint for windows in house which will blister, peel off easily, and compromise vision and insulation, please trust that our home window tint will surpass your expectations. We even provide free window tint kits.
  • Window Film Sun Blocking & Heat Control: Say goodbye to direct sunlight & sweltering interiors! Our heat blocking window film boasts exceptional sun-blocking properties, reducing up to 80% of heat and 99% of harmful UV rays. Enjoy a cooler and more comfortable indoor environment now!
  • Window Privacy Film See Out Not in: Experience enhanced daytime privacy with our exquisite privacy window film. Reflective window film creates a captivating mirror-like effect outside, ensuring your tranquility while still allowing you to relish the beauty of outdoor scenery. Please note: The mirror effect diminishes when the interior illumination exceeds the external light. For added privacy, draw the curtains at night.
  • Static Cling Window Tint for Home: Effortless application is just a step away. Our window tinting film for home features a hassle-free static cling design, eliminating the need for glue or professional assistance. Pro tip: Apply generous amounts of soapy water to both the adhesive side and the window surface for optimal results.
  • UV Protection & Explosion-proof: Safeguard your interior decor and your loved ones with our tinted window film for home. UV blocking window film effectively blocks a significant amount of harmful UV radiation, preserving the beauty and longevity of your furnishings while reducing the risk of skin damage caused by prolonged sun exposure.
No. 7
NICETOWN Thermal Insulated Grommet Blackout Curtains for Bedroom (2 Panels, W42 x L63 -Inch, Grey)
  • READY MADE: Set includes 2 BLACKOUT CURTAINS PANELS of 42" wide x 63" length with 6 grommets top each. Quality fabric without liner feels soft and heavy.
  • SERVE WELL: Curtains impede 85%-99% light and UV rays(Dark color curtains work well). Noise-reducing, better TV viewing thanks to the innovative triple weave technology.
  • ENERGY SMART: Triple weave blackout fabric balances room temperature by insulating against summer heat and winter chill. Protect your furniture, floors, and artwork from the ravages of the sun, the drapes will pay for themselves off over time.
  • GOOD TO GO: Thread trimmed and wrinkle-free, ring (1.6-inch inner diameter) fits easily with standard curtain rods. All sets for you to put them up right away.
  • EASY TO MAINTAIN: NICETOWN blackout curtains are made to last. Machine washable in cold water, tumble dry. Quick ironing or steam clean when needed. Visiting the NICETOWN store, find out your favorite curtains.
No. 8
Heat Control Window Film with Tools, Window Tint Sun Blocking Blackout and UV Protection, one-Way Privacy Mirror Reflective Film,Explosion-Proof Premium PET Material Cosmic Black,17.5 Inch x 6.5 Feet
  • 【UV Protection】Continuous exposure to the sun will cause high room temperature, aging furniture, and sunburn on the skin. Heat insulation film that can block 99% of UV and 80% of IR.It can perfectly solve this problem, and you will have a feeling of visibly cooler after use. It can also save your air-conditioning electricity bill. The free tools are inside of the paper tube
  • 【Privacy Protection】After sticking the window film, the outside looks like a mirror during the day, and I promise you can’t see inside even if you use a telescope. But the inside can still clearly see the outside.It also makes the house more beautiful.
  • 【Safety Protection】When the window glass is hit by objects entrapped by a ball or typhoon, the splash of glass slag can cause serious injury to people. Only PET window film with glue can be explosion-proof. Only our videos dare to do real tests.
  • 【High Quality】What an embarrassing thing if the window film blisters and fades after exposure to the sun. In summer, the glass temperature can reach 60℃, ordinary window film will definitely foam, but the window film with glue PET material will not. avoid frequent replacement, waste your time and money.
  • 【XIAWEI Window Film】Referring to the video will be very helpful for you to paste the film! I am more than happy to answer any questions you have. We cherish every opportunity for service, if there is any dissatisfaction, I will definitely solve it for you, as long as you contact me

Beat the Heat: Your Guide to Window Coverings That Keep Heat Out

Summer heat can be a real challenge. It bakes your home and makes your air conditioner work overtime. But what if you could stop that heat before it even gets inside? Window coverings are your secret weapon. They’re more than just pretty decorations. They can significantly lower your energy bills and keep your home cool and comfortable. Let’s find the best ones for you.

Key Features to Look For

When you’re shopping, keep these features in mind. They make a big difference in how well a window covering works.

  • Reflectivity: This is super important. Look for coverings that reflect sunlight away from your windows. This stops the sun’s energy from entering your home.
  • Insulation: Good insulation traps heat. It acts like a cozy blanket for your windows, keeping the hot air out.
  • Light Blocking: While not always about heat, coverings that block light often block heat too. They create a dark, cool space.
  • Durability: You want something that lasts. Check for strong materials and good construction.
  • Ease of Use: Can you open and close them easily? Are they simple to clean?
Important Materials

The material makes a huge impact on performance. Some materials are naturally better at keeping heat out.

  • Cellular Shades (Honeycomb Shades): These are fantastic. They have air pockets that trap air. This air acts as an insulator. The more pockets, the better they insulate.
  • Roller Shades: Some roller shades have special coatings. These coatings reflect sunlight. Look for shades labeled as “solar” or “blackout.”
  • Blackout Curtains: These curtains are made with thick, dense fabric. They have a special lining. This lining stops light and heat from passing through.
  • Aluminum Blinds: Aluminum reflects sunlight well. They are a good choice for reflecting heat.
  • Wood or Faux Wood Blinds: These offer decent insulation. They are better than thin fabric blinds.
Factors That Improve or Reduce Quality

Several things can make your window coverings work better or worse.

  • Color: Lighter colors are usually best. They reflect more sunlight than dark colors. Dark colors absorb heat.
  • Thickness: Thicker materials generally provide better insulation. They create more of a barrier.
  • Fit: A snug fit is crucial. If there are gaps around the edges, hot air can sneak in. Make sure your coverings fit your window frame perfectly.
  • Layering: Sometimes, using multiple coverings is best. You could layer sheer curtains with blackout curtains. Or use blinds with shades. This creates more insulation.
  • Installation: Proper installation helps. It ensures there are no gaps. It also makes the coverings easier to operate.
User Experience and Use Cases

Think about how you’ll use your window coverings. This helps you pick the right type.

  • High-Sun Rooms: For rooms that get a lot of direct sun, blackout curtains or cellular shades are excellent. They really block the heat.
  • Bedrooms: If you want a dark, cool place to sleep, blackout curtains are a must. They also help you sleep better by blocking light.
  • Living Areas: Roller shades with solar coatings can be great for living rooms. They reduce glare and heat without making the room too dark.
  • Home Offices: You need good light for work. Solar roller shades offer a balance. They cut heat and glare but let some light in.
  • Energy Savings: All these options help lower your cooling costs. They reduce the need for your air conditioner to run constantly.

Frequently Asked Questions: Window Coverings for Heat

Q: What is the best type of window covering to keep heat out?

A: Cellular shades are often considered the best. They trap air in their honeycomb structure, which insulates your windows very well.

Q: Do light-colored window coverings keep heat out better than dark ones?

A: Yes, light colors reflect more sunlight. This means less heat enters your home. Dark colors absorb heat.

Q: Can regular curtains help keep heat out?

A: Some regular curtains can help a little. But blackout curtains with a special lining are much more effective at blocking heat.

Q: How important is the fit of window coverings for heat reduction?

A: A good fit is very important. If there are gaps around the edges, hot air can still get in and make your home warmer.

Q: Are aluminum blinds good for keeping heat out?

A: Yes, aluminum blinds are good because the metal reflects sunlight away from your windows.

Q: Can I use more than one type of window covering together?

A: Absolutely! Layering, like using blinds with curtains, can create extra insulation and block more heat.

Q: Do solar roller shades block all light?

A: Solar roller shades are designed to reduce glare and heat. They usually let some light through, but they block a lot of the sun’s heat.

Q: How do cellular shades work to keep heat out?

A: Cellular shades have pockets of air. These air pockets act like insulation, trapping heat and preventing it from entering your home.

Q: Will these window coverings help with my energy bills?

A: Yes, by keeping heat out, they reduce how hard your air conditioner has to work. This can lead to lower energy bills.

Q: Are there any window coverings that can keep heat out and still let in natural light?

A: Yes, solar roller shades or light-colored blinds with reflective coatings can help. They block heat while still allowing some natural light into the room.