Do Blackout Curtains Keep Heat Out? Simple Energy Efficiency

Blackout Curtains: Heat Out, Comfort In!
Complete Blackout Curtains
Photo: Pexels

Blackout curtains have long been known for their ability to block out light, but many people wonder if they can also help with heat reduction. In this article, we will explore the effectiveness of blackout curtains in keeping heat out, discuss how much they can help, and provide tips on choosing the right curtains for your home.

Do Blackout Curtains Reduce Heat?

Yes, they do! These blackout curtains help keep heat out by using tightly woven fabric or a thermal layer. This design blocks sunlight and insulates windows, preventing heat from entering or escaping. As a result, they can maintain a comfortable temperature in your home and lower your energy bills.

How Effective Are Blackout Curtains in Managing Heat?

Depending on the material and construction, these curtains can cut heat gain by up to 25%. Therefore, making them a useful solution for controlling indoor temperatures and reducing the need for air conditioning or heating.

Blackout curtains insulating material
Photo: Unsplash

Factors Influencing Heat Reduction with Blackout Curtains

The success of blackout curtains in reducing heat depends on their quality and proper installation. Here are some factors to consider:

Material Matters: Keep the Heat Out

For the best results, choose blackout curtains made from thick, insulating materials with a tight weave. Some curtains even include a separate thermal layer to enhance insulation.

Do Blackout Shades Keep Heat Out?

Similar to blackout curtains, blackout shades also help reduce heat. They’re made from insulating materials and designed to fit snugly against the window frame, preventing heat transfer.

Color Can Make a Difference

Although color doesn’t directly impact heat-blocking ability, lighter colors reflect more sunlight, helping keep rooms cooler. If you prefer darker colors, choose curtains with a thermal lining to improve heat-blocking capabilities.

Measuring windows for curtains
Photo: Measuring Windows

Tips for Choosing and Installing Blackout Curtains

To maximize their heat-reducing benefits, consider these tips:

  1. Measure your windows: Make sure blackout curtains cover the entire window and overlap the frame by a few inches on all sides for the best results.
  2. Pick the right fabric: Opt for thick materials with a tight weave and thermal lining to improve insulation and heat reduction.
  3. Install a suitable curtain rod: A wraparound curtain rod helps keep curtains flush against the wall, reducing heat transfer.
  4. Combine with other window treatments: For even greater heat reduction, use blackout curtains alongside other energy-efficient window treatments like cellular shades or reflective window film.

Proper Care and Maintenance of Blackout Curtains for Long-lasting Heat Reduction

Ensuring your curtains continue to effectively block heat and light requires proper care and maintenance. For this reason, in this section, we’ll provide tips on cleaning and maintaining your curtains to keep them functioning at their best for years to come.

Vacuuming blackout curtains
Photo: iStock

Regular Cleaning

Dust and dirt can accumulate on your blackout curtains, reducing their heat-blocking abilities over time. To maintain their effectiveness:

  1. Vacuum regularly: Use a brush attachment on your vacuum cleaner to gently remove dust and debris from the curtain surface. Therefore, this should be done at least once a month to keep your curtains fresh.
  2. Spot clean: If you notice any stains or spills on your curtains, use a mild detergent and a damp cloth to gently clean the affected area. Be sure to test the detergent on an inconspicuous part of the curtain first to ensure it doesn’t cause any damage.

Deep Cleaning

While vacuuming and spot cleaning help maintain your curtains, they may require a deep clean occasionally. Before deep cleaning, check the manufacturer’s care instructions to ensure you don’t damage the curtains.

  1. Machine washing: Some blackout curtains can be machine washed. Use a gentle cycle with cold water and mild detergent. Avoid using bleach or fabric softeners, as they can damage the fabric and lining. Make sure to air dry the curtains instead of using a dryer.
  2. Professional cleaning: If your curtains are not machine washable or you’re unsure about the cleaning process, consider hiring a professional cleaner who specializes in curtain cleaning. This ensures the
Light through blackout curtains
Photo: Pexels

Conclusion: Do Blackout Curtains Help with Heat?

In short, yes, these curtains can effectively keep heat out and maintain a comfortable temperature in your home. By choosing high-quality, insulating materials and ensuring proper installation, you can significantly reduce heat gain and lower your energy bills. Keep in mind the color and fabric of your curtains and combine them with other energy-efficient window treatments for the best results.

Explore More