Do Blackout Curtains Keep Heat Out – A Complete Guide

Rebekah Purnel

It’s summertime and the heat is on. But you don’t want to blast your air conditioner all day.

Whether you’re trying to keep the chill out of your home in the winter or keep the sun from shining in during the summer, blackout curtains can be a big help.

But do they actually work? Are they worth the investment? Let’s take a closer look at blackout curtains and find out!

Do Blackout Curtains Really Keep Heat Out? Let’s Get the Answers

It’s a question many people ask during the hot summer months. The answer is yes, blackout curtains can help keep heat out of your home.

Blackout curtains are made of thick, tightly woven fabric that blocks out light. They work by creating a barrier between the outside heat and the cooler air inside your home.

Do blackout curtains help keep heat out? Yes, they can. Blackout curtains work by creating a barrier between the outside heat and the cooler air inside your home. Thermal-backed blackout curtains are even more effective, as they have an extra layer of insulation.

When shopping for blackout curtains, be sure to check the label. Some curtains are advertised as blackout but only block out part of the light. For maximum heat blocking power, choose curtains that are labeled 100% blackout.

With so many styles and colors to choose from, blackout curtains are a great way to keep your home cool and comfortable all summer long.

Read: Best Thermal Insulated Blackout Curtains

Do blackout curtains keep heat in during the winter?

In the winter, you want to do the opposite of what you do in the summer. Close your blackout curtains during the day to keep the heat in, and open them at night to let the cold air out.

Just like in the summer, thermal-backed blackout curtains are a great choice for winter. They’ll help insulate your home and keep the heat from escaping.

So, do blackout curtains keep heat in? Yes, they can help you stay warm and comfortable during the cold winter months.

Types of blackout curtains

Blackout curtains come in a variety of styles, colors, and materials. Here are a few of the most popular options:

Thermal blackout curtains: These curtains have an extra layer of insulation that helps keep heat out. They’re a good choice for people who live in areas with extreme temperatures.

Room darkening curtains: These curtains are designed to block out light, but they don’t provide as much insulation as thermal blackout curtains.

Noise reducing curtains: In addition to blocking out light, these curtains help reduce noise levels. This can be helpful if you live in a busy area or have trouble sleeping.

Light filtering curtains: These curtains allow some light to pass through, but they still provide some privacy and heat protection.

What type of curtains keep heat out?

If you’re looking for curtains that will help keep heat out, look for ones that are made of thick, tightly woven fabric. Blackout curtains are a good option, but thermal-blackout curtains are even better.

When shopping for curtains, be sure to check the label. Some curtains are advertised as blackout curtains but only block out a portion of the light. For maximum heat blocking power, choose curtains that are labeled 100% blackout.

Final Words

So, do blackout curtains keep heat out? The answer is a little more complicated than a simple yes or no. It depends on the type of blackout curtain you have.

Generally speaking, though, blackouts can help reduce the amount of heat that enters your home during the summer months. If you’re looking for an easy way to stay cool this summer, installing some blackout curtains may be the solution for you!

About Rebekah Purnell

Hi, there! I'm Rebekah Purnell. Mother of three little boys and one little princess. Welcome to Curtainsly, a place for exploring curtains & window treatments and sharing inspiration. Thanks for joining my DIY journey!


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