Best Insulating Window Treatments

The best insulating window treatments create a barrier between the glass and your living space. Some products are specifically designed for insulation, while others provide added energy-saving benefits through material thickness, liners, or layered construction.

Browse our full selection of energy saving window treatments or use our window treatment energy savings calculator to estimate potential savings.

What Are Insulating Window Treatments?

Insulating window treatments are blinds, shades, shutters, or other window coverings designed to help reduce heat transfer through windows. They can help keep rooms cooler in summer and warmer in winter by adding an extra layer between the window and the room.

Insulating window coverings are especially helpful for older windows, large windows, west-facing windows, and rooms that feel hot or cold during certain times of the year.

Best Window Treatments for Insulation

1. Cellular Shades

Cellular shades, also known as honeycomb shades, are one of the best insulating window treatments available. Their honeycomb-shaped cells trap air and help reduce heat transfer through the window.

Cellular shades are a strong choice for bedrooms, living rooms, sunrooms, and rooms with large or sunny windows.

• Excellent insulation
  
  
• Helps reduce heat gain and heat loss
  
  
• Available in light-filtering and blackout options
  
  
• Good for hot and cold climates

Learn more: Do Honeycomb Cellular Shades Save Energy?

2. Cellular Shades with Side Tracks

Cellular shades with side tracks provide even greater insulation by helping reduce air movement around the edges of the shade. The side tracks help seal the shade closer to the window opening, improving both light control and energy performance.

These are a strong option for rooms with extreme heat, cold drafts, or windows where maximum insulation is important.

3. Shutters

Shutters provide a durable, long-lasting window treatment option with solid panels that can help reduce heat transfer. While they do not trap air the same way cellular shades do, shutters can provide excellent coverage and long-term value.

Shutters are especially popular for homeowners who want a permanent-looking window treatment with classic style.

Related guide: Are blinds more energy efficient than shutters?

4. Roman Shades

Roman shades use soft fabric folds that add style and some insulation to the window. When made with thicker fabrics or liners, Roman shades can help improve comfort and reduce sunlight entering the room.

Roman shades are a good choice when you want a balance of decorative fabric style and moderate energy efficiency.

5. Bamboo Shades with Liners

Bamboo shades provide a natural woven appearance and can offer improved insulation when paired with privacy or blackout liners. The liner adds an extra layer of coverage, which can improve light control and comfort.

Learn more: energy efficient bamboo shades

6. Wood Blinds

Wood blinds provide some insulation due to the natural thickness of the slats. They are not as energy efficient as cellular shades, but they can help reduce direct sunlight and improve comfort when fully closed.

Wood blinds are best for homeowners who want traditional style with adjustable light control.

Insulating Window Treatments for Arizona Heat

In hot climates such as Arizona, windows can be a major source of indoor heat gain. Insulating window treatments can help reduce heat entering the home, improve comfort, and reduce strain on cooling systems.

Cellular shades, solar shades, and lined window treatments are especially useful for sunny rooms and west-facing windows.

Read more: Best window treatments for Arizona heat

Do Insulated Window Treatments Reduce Noise?

Some insulating window treatments can also help reduce outside noise. Cellular shades, lined Roman shades, shutters, and other thicker window coverings may help absorb sound and reduce echo inside the room.

If noise reduction is one of your main goals, explore our noise reducing window treatments.

Insulating Window Treatments vs Standard Blinds

What to Look for in Insulating Window Treatments

• Cellular construction: Honeycomb cells help trap air and improve insulation.
  
  
• Double-cell design: Adds another layer of insulating air pockets.
  
  
• Side tracks: Help reduce air gaps around the shade.
  
  
• Blackout or privacy liners: Add another layer of coverage.
  
  
• Proper fit: Better measurements can improve coverage and performance.

Do Insulating Window Treatments Lower Energy Bills?

Insulating window treatments may help lower heating and cooling costs by reducing heat transfer through windows. Actual savings depend on your climate, window type, home insulation, shade style, and how often the coverings are used.

To estimate potential savings, try our energy savings calculator.

Best Rooms for Insulating Window Treatments

• Bedrooms
  
  
• Living rooms
  
  
• Sunrooms
  
  
• Home offices
  
  
• West-facing rooms
  
  
• Rooms with large windows
  
  
• Drafty rooms or older windows

Explore More Energy Saving Resources

• Energy efficient window treatments
  
  
• Window treatment energy savings calculator
  
  
• Energy savings information
  
  
• Do cellular window shades save energy?
  
  
• Energy efficient bamboo shades
  
  
• Window treatments for Arizona heat

Final Thoughts

The best insulating window treatments help reduce heat transfer, improve comfort, and support better energy efficiency. Cellular shades are often the top choice because of their honeycomb construction, while shutters, Roman shades, bamboo shades with liners, and wood blinds can also provide useful insulating benefits.

For the strongest insulation, choose window treatments that fit well, provide good window coverage, and match your climate and room needs.