How to Choose Interior Storm Windows

Interior storm windows are secondary windows installed on the inside of your existing windows. Unlike exterior storm windows that are attached outside, these are mounted inside, making them a convenient option for homes with challenging exterior access or for those who wish to preserve the appearance of their exterior windows. They are particularly popular in older homes where maintaining the original windows is desired.

Differences from Exterior Storm Windows

While both interior and exterior storm windows serve similar purposes, their installation and functionality differ significantly. Interior storm windows are easier to install because they don't require scaffolding or extensive exterior work. This makes them an appealing option for high-rise apartments or homes with limited exterior access. Moreover, interior storm windows maintain the historical integrity of older homes by leaving the exterior facade unchanged, which is crucial for homeowners in historic districts.

Advantages Over Replacement Windows

Choosing interior storm windows over replacement windows can be a cost-effective decision. Replacement windows often require significant investment, including the cost of the new window units and installation. Interior storm windows, however, are typically cheaper and can be installed with minimal disruption to the existing structure. This option is particularly advantageous for renters or homeowners looking for a less permanent solution to improve energy efficiency.

Variety in Design and Functionality

Interior storm windows come in a variety of designs and functionalities to cater to different needs. Some models are designed with magnetic strips for easy removal and cleaning, while others feature durable frames and double glazing for enhanced insulation. Additionally, there are options with UV filters to protect your interiors from sun damage, highlighting the versatility and range of choices available to homeowners.

Benefits of Interior Storm Windows

Interior storm windows offer several benefits that make them a worthwhile investment:

Energy Efficiency

By adding an extra layer, interior storm windows significantly reduce heat loss, helping you save on energy bills. This added insulation traps warm air inside during the winter and cool air during the summer, leading to a noticeable reduction in heating and cooling costs. Studies have shown that homeowners can save up to 20% on their energy bills with the proper installation of interior storm windows. This makes them a financially sound investment over time, especially in regions with extreme temperature variations.

Noise Reduction

Interior storm windows help dampen outside noise, making your home quieter. This is particularly beneficial for homes located in busy urban areas or near highways, where constant noise can disrupt the peace of your living environment. The additional glass layer serves as a sound barrier, significantly reducing the amount of noise that penetrates through your windows. This feature not only enhances comfort but also contributes to a more tranquil and serene home atmosphere.

Protection and Durability

By protecting your existing windows from weather damage, interior storm windows extend the lifespan of your primary windows. They shield against harsh elements like wind, rain, and snow, preventing wear and tear over time. This layer of protection is especially valuable for older or historic windows, which can be costly to repair or replace. Moreover, the durable materials used in storm windows can withstand the test of time, ensuring your investment remains effective for years.

Easy Installation and Maintenance

Being installed inside, interior storm windows are easier to install and maintain compared to their exterior counterparts. Homeowners can often handle the installation themselves, saving on professional service costs. Maintenance is straightforward, involving regular cleaning and occasional checks to ensure the seals remain intact. This ease of care means less hassle and more time enjoying the benefits these windows provide.

Aesthetic Appeal

Interior storm windows can improve the overall look of your windows without altering the exterior facade. They come in various styles and finishes, allowing you to choose options that complement your home's interior decor. From sleek modern designs to classic wooden finishes, these windows can enhance the aesthetic appeal of any room. This added beauty, combined with functional benefits, makes them a desirable choice for homeowners looking to upgrade their windows.

Key Factors to Consider

When choosing interior storm windows, there are several factors to keep in mind to ensure you pick the right ones for your home.

1. Material

Interior storm windows are available in various materials, each offering different benefits:

Aluminum

Aluminum storm windows are lightweight and durable, making them easy to handle and resistant to corrosion. However, they may not provide the best insulation due to their high thermal conductivity. To compensate, many aluminum windows are equipped with thermal breaks or additional insulating features. These windows are ideal for homeowners looking for a low-maintenance option that offers longevity and strength.

Vinyl

Vinyl offers good insulation and is low-maintenance, making it a popular choice for many homeowners. The material is resistant to moisture, warping, and decay, ensuring long-lasting performance. Vinyl storm windows are available in various colors and finishes, allowing for customization to match your home's interior design. Their affordability and efficiency make them an attractive option for budget-conscious homeowners.

Wood

Wooden storm windows are excellent insulators and aesthetically pleasing, but they require regular maintenance to prevent decay and warping. The natural beauty of wood can enhance the charm and warmth of your interior spaces, making them a preferred choice for those seeking a classic look. To extend their lifespan, wooden windows should be treated with protective coatings and inspected regularly for signs of wear.

Composite

Composite storm windows combine materials like wood and vinyl to offer balanced performance and appearance. These windows provide the insulation of wood with the low-maintenance benefits of vinyl, making them a versatile choice. They are designed to mimic the appearance of natural materials while offering enhanced durability and resistance to environmental factors. Homeowners seeking a blend of aesthetics and functionality will find composite windows a suitable option.

2. Glazing

The type of glazing you choose affects the window's performance:

Single Glazing

Single glazing is the least expensive option but offers minimal insulation compared to other types. It is suitable for mild climates where energy efficiency is not a primary concern. However, in regions with extreme temperatures, single glazing may not provide adequate protection against heat loss or gain, leading to higher energy bills. Homeowners should weigh the initial cost savings against potential long-term expenses when considering single glazing.

Double Glazing

Double glazing provides better insulation and noise reduction, making it a popular choice for most homeowners. The two layers of glass trap air in between, creating an insulating barrier that minimizes heat transfer. This feature not only enhances energy efficiency but also contributes to a quieter home environment. Double glazing is a worthwhile investment for those seeking improved comfort and reduced energy costs.

Low-E Coating

Low-E (low-emissivity) coatings reflect heat back into the room, enhancing energy efficiency by reducing heat loss through the windows. This advanced glazing option is ideal for homes in colder climates, where retaining indoor heat is crucial for comfort. Low-E coatings also help reduce UV rays, protecting furniture and flooring from sun damage. Incorporating Low-E technology into your storm windows can significantly boost their performance and efficiency.

3. Fit and Seal

A proper fit and seal are crucial for the effectiveness of interior storm windows. Poorly fitted windows can lead to air leaks, negating the benefits of installation. Custom-fitted windows ensure a snug fit, preventing drafts and maximizing insulation. Homeowners should measure their existing windows carefully and consider professional assistance if needed to achieve the best results. Attention to detail during installation can make a substantial difference in the windows' overall performance.

4. Style and Design

Consider the style and design of the storm windows to complement your home's decor. Options range from simple, functional designs to more decorative styles with different finishes and hardware options. Homeowners can choose from various frame colors, glass types, and hardware finishes to match their interior aesthetics. Additionally, some storm windows offer additional features like tilt-in sashes for easy cleaning or custom shapes for unique window openings. Selecting the right style and design ensures that your new windows not only perform well but also enhance your home's visual appeal.

Installation Process

Understanding the installation process can help you decide whether to DIY or hire a professional.

DIY Installation

If you're handy, installing interior storm windows yourself can save money. Here's a basic overview:

Measure Carefully

Measure the height and width of your existing windows to ensure a perfect fit. Accurate measurements are crucial to avoid gaps and ensure a tight seal. Use a measuring tape and record the dimensions at multiple points to account for any irregularities in the window frame. Double-check your measurements before ordering or cutting materials to prevent costly mistakes.

Prepare the Area

Clean the window area and remove any obstacles to create a clean working environment. This step ensures that the storm windows adhere properly and function effectively. Remove dust, dirt, and debris from the window frame and surrounding area using a damp cloth or vacuum. Ensure that the workspace is clear of furniture or other items to allow for easy access during installation.

Install the Frame

Attach the frame of the storm window to your existing window using screws or adhesive, depending on the manufacturer's instructions. Ensure that the frame is level and square, making adjustments as needed. Use a level to check alignment and secure the frame firmly to prevent movement or drafts. Follow the installation instructions carefully to achieve the best results.

Insert the Window Pane

Place the window pane into the frame, ensuring a snug fit without forcing it. Carefully align the pane with the frame, making sure it sits evenly and securely. If the pane is too tight or loose, adjust the frame or seals as necessary to achieve the proper fit. Take your time during this step to avoid damaging the pane or compromising the window's effectiveness.

Seal the Edges

Use weatherstripping or caulk to seal any gaps around the edges of the storm window. This step is critical for preventing air leaks and maximizing insulation. Apply the sealant evenly along the frame's perimeter, ensuring no gaps or voids. Allow the sealant to cure according to the manufacturer's instructions before testing the window's performance.

Professional Installation

For those less comfortable with DIY projects, hiring a professional ensures proper installation:

Expertise

Professionals have the experience to handle any challenges that arise during installation. They are trained to work with different window types and materials, ensuring a seamless fit and function. Their expertise can also help identify potential issues before they become problems, saving you time and money in the long run.

Warranty

Many professionals offer a warranty on their installation work, providing peace of mind and protection against defects or errors. A warranty ensures that any installation-related issues will be addressed promptly and without additional cost. This added assurance can be valuable for homeowners seeking a risk-free installation experience.

Time-Saving

Professional installation is typically faster than DIY, allowing you to enjoy the benefits of your new storm windows sooner. Experienced installers can complete the job efficiently and accurately, minimizing disruption to your daily routine. This time-saving advantage is particularly beneficial for busy homeowners or those with multiple windows to install.

Cost Considerations

The cost of interior storm windows can vary widely based on material, glazing, and installation method. Generally, prices can range from $100 to $400 per window, with professional installation adding to the cost. It's important to consider the long-term energy savings these windows can provide when evaluating their cost.

Material and Glazing Impact

The choice of material and glazing significantly impacts the overall cost of interior storm windows. High-performance materials and advanced glazing options, such as Low-E coatings or double glazing, typically cost more upfront but offer greater energy savings over time. Homeowners should weigh the initial investment against potential long-term benefits when selecting storm windows.

Installation Costs

DIY installation can save money but requires time and effort, whereas professional installation incurs additional costs. Homeowners should consider their skill level, available time, and budget when deciding on the installation method. While DIY can be economical, professional installation offers expertise, speed, and warranties, providing peace of mind and assurance of quality.

Long-Term Savings

The energy savings provided by interior storm windows can offset their initial cost over time. By reducing heating and cooling expenses, these windows can pay for themselves within a few years. Homeowners should calculate potential savings based on their local climate and energy rates to determine the financial benefits of installing storm windows.

Energy Efficiency and Savings

One of the primary reasons homeowners choose interior storm windows is for their energy efficiency. By reducing drafts and maintaining indoor temperatures, these windows can significantly cut down on heating and cooling costs.

Calculating Savings

To calculate potential savings:

Assess Energy Bills

Compare past energy bills to estimate potential reductions in heating and cooling costs. By analyzing historical energy usage, homeowners can identify patterns and predict future savings with interior storm windows. This assessment provides a clear picture of the financial impact and return on investment.

Consider Climate

Homes in colder climates may see more significant savings due to increased heating demands. The added insulation provided by storm windows can dramatically reduce energy loss, leading to substantial cost reductions. Homeowners in warmer regions can also benefit from storm windows by minimizing air conditioning use and maintaining comfortable indoor temperatures.

Evaluate Usage Patterns

Consider your household's energy usage patterns and lifestyle to estimate potential savings accurately. Factors such as the number of occupants, heating and cooling preferences, and home occupancy can influence energy costs. Understanding these patterns helps tailor storm window selection to maximize efficiency and savings.

Maintenance Tips

Maintaining your interior storm windows is essential for their longevity and performance:

Regular Cleaning

Clean the windows and frames with mild soap and water to prevent dirt buildup and maintain clarity. Regular cleaning prevents grime and debris from accumulating, which can affect the window's appearance and function. Use a soft cloth or sponge to clean the glass and frame gently, avoiding abrasive cleaners that may damage the surface.

Inspect Seals

Check seals annually and replace weatherstripping as needed to ensure airtightness. Over time, seals can degrade or become damaged, leading to drafts and decreased efficiency. Inspect the seals visually and feel for air leaks around the window perimeter. Replace any worn or damaged weatherstripping promptly to maintain optimal performance.

Check for Damage

Inspect for any damage or warping, especially after severe weather, to address issues early. High winds, hail, or other weather events can cause damage to storm windows, affecting their integrity and effectiveness. Regular inspections help identify problems before they worsen, allowing for timely repairs or replacements to preserve your investment.

Conclusion

Interior storm windows are a smart investment for any homeowner looking to improve energy efficiency, reduce noise, and protect their existing windows. By considering material, glazing, fit, and installation, you can find the perfect storm windows for your home. Whether you choose to install them yourself or hire a professional, the benefits of interior storm windows are clear, offering comfort and savings for years to come. With the right choice and proper maintenance, these windows can transform your living environment, providing a more comfortable and cost-effective home.