Storm windows are essential for home insulation and protection against harsh weather conditions. As summer approaches, many homeowners wonder whether to close their storm windows or leave them open during the warmer months. 

Closing storm windows can offer benefits such as improved energy efficiency and reduced solar heat gain, but it may also restrict natural ventilation and contribute to condensation issues. The decision to close storm windows during summer depends on several factors, including the home’s orientation and the condition of your storm windows.

The article will discuss the benefits and drawbacks of closing storm windows during summer, the impact on energy efficiency, and alternative methods to optimize home comfort.

The Role Of Storm Windows

Before diving into the debate, it is crucial to understand the primary functions of storm windows:

  • Insulation – Storm windows provide an additional layer of insulation, reducing heat loss during winter and heat gain during summer
  • Protection – They shield primary windows from damage caused by wind, rain, and debris
  • Noise Reduction – Storm windows can help reduce outdoor noise levels, enhancing indoor comfort

Watch this video to learn how to make a storm window:

DIY Storm Windows

Pros And Cons Of Closing Storm Windows In Summer

To determine whether storm windows should be closed during summer, weighing the potential benefits and drawbacks is essential.

Pros Of Closing Storm Windows In Summer

  • Improved Energy Efficiency – Closing storm windows during summer can help to minimize heat gain, reducing the workload on air conditioning systems and potentially lowering energy bills
  • Noise Reduction – Closed storm windows can help to decrease outdoor noise levels, providing a more peaceful indoor environment.
  • Reduced Solar Heat Gain – By blocking direct sunlight, closed storm windows can help to limit solar heat gain and maintain a comfortable indoor temperature
  • Protection – Closed storm windows protect primary windows from potential damage caused by summer storms, wind, and debris

Cons Of Closing Storm Windows In Summer

  • Limited Natural Ventilation – Closing storm windows may restrict airflow, which can lead to a stuffier indoor environment and reduced air quality.
  • Condensation – In some cases, closing storm windows in summer may result in condensation buildup between the primary and storm windows, potentially leading to mold or mildew growth
  • Reduced Visibility – Closed storm windows can sometimes obstruct views or limit natural light, impacting the overall aesthetic of a room.

Energy Efficiency And Summer Comfort

One of the primary reasons homeowners consider closing storm windows during summer is to improve energy efficiency and maintain a comfortable indoor temperature. However, several factors can influence the effectiveness of closed storm windows in achieving these goals:

  • The Orientation of The Home – South and west-facing windows are more prone to solar heat gain, making it more beneficial to close storm windows on these sides of the house
  • The Type of Storm Windows – Low-emissivity (low-E) glass and other energy-efficient storm window options can further enhance energy savings and indoor comfort when closed during summer.
  • The Condition of The Primary Windows – If primary windows are in poor condition or lack energy-efficient features, closing storm windows during summer may offer more significant benefits

Alternatives To Closing Storm Windows In Summer

If closing storm windows during summer is not the most practical or desirable option, homeowners can consider alternative methods to enhance energy efficiency and maintain a comfortable indoor environment:

  • Utilize Window Coverings – Installing shades, blinds, or curtains on south and west-facing windows can help to block direct sunlight and limit solar heat gain
  • Open Windows Strategically – Open windows on opposite sides of the house to promote cross-ventilation, allowing for natural cooling and improved air quality
  • Install Window Screens – Adding screens to primary windows enables homeowners to open windows for ventilation while keeping insects and debris out.
  • Use Ceiling Fans or Portable Fans – Circulating air with fans can help to create a more comfortable indoor environment without relying solely on air conditioning systems.
  • Invest in Energy-Efficient Primary Windows – Upgrading primary windows to more energy-efficient models, such as those with low-E glass or double-pane construction, can help to maintain comfortable indoor temperatures without relying on storm windows.

Conclusion

The decision to close storm windows during summer ultimately depends on the homeowner’s preferences and the specific characteristics of their home. Closing storm windows can offer benefits such as improved energy efficiency, reduced solar heat gain, and protection from summer storms. 

However, it may also minimize natural ventilation and contribute to condensation issues.

Frequently Asked Questions

What Are Storm Windows, And How Do They Work?

Storm windows are an additional layer of insulation and protection installed on the exterior or interior of primary windows. They can help to reduce heat loss during winter and heat gain during summer, protect against wind and debris, and decrease outdoor noise levels.

Should I Close My Storm Windows During Summer?

Determining whether to close storm windows during the summer season relies on various factors, such as the positioning of your house, the quality and state of your primary and storm windows, and your individual preferences.

Will Closing My Storm Windows During Summer Lower My Energy Bills?

Indeed, shutting storm windows in the summer can decrease heat gain, reducing the pressure on air conditioning systems and potentially cutting down energy expenses. 

Nevertheless, the success of closed storm windows in achieving energy efficiency is contingent on various elements, such as the condition and type of windows you have and the direction of your home.

Can Opening Windows Provide Enough Natural Ventilation During Summer?

Strategically opening windows on opposite sides of the house can enhance air quality by promoting cross-ventilation. However, it may only sometimes suffice for maintaining a pleasant indoor temperature. In some circumstances, supplementary ventilation systems like portable or ceiling fans might be required.

Can I Still Enjoy Natural Light If I Close My Storm Windows During Summer?

Closed storm windows may obstruct views or limit natural light, which can affect the overall look of a room. Nevertheless, window coverings like curtains, blinds, or shades can block direct sunlight and limit solar heat gain, allowing natural light to penetrate the room.