Skylight Replacement: A Comprehensive Guide for Homeowners

Replacing a skylight can transform your living space, bringing in natural light and enhancing your home design. Homeowners considering this home improvement project will want to understand the costs, installation process, and options available. From fixed models to vented skylights, the choices can seem overwhelming. In this guide, I’ll discuss everything you need to know about skylight replacement, from recognizing when it’s time for a new skylight to choosing the right type for your home.

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• Price Range: $1,200+
• Glass and Hardware Warranty: 10–20 years
• Labor Warranty: 2 years
• BBB Rating: A+
• State Availability: 47 states

• Installs its own patented Fibrex framing
• Includes a transferable 20-year warranty on glass and a 10-year warranty on nonglass materials
• Holds an A+ rating with the Better Business Bureau

• Doesn’t carry aluminum, fiberglass, or wood frames
• Can have long wait times between consultation and installation, according to customer reviews

You can purchase the following window styles from Renewal by Andersen:

• Awning
• Bay/bow
• Casement
• Double-hung
• Picture
• Sliding/gliding
• Specialty windows with geometric shapes

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Skylight Replacement Cost

Skylight windows typically cost between $1,000–$2,000, though prices can start as low as $250 and exceed $3,000, according to our research.   Several factors influence the final price, including the type of skylight, size, and complexity of installation. Smaller or tubular skylights tend to be on the lower end of the cost spectrum, while larger, more complex designs push costs higher.

Factors Affecting Cost

Homeowners can budget accurately by understanding the factors that affect skylight costs. Fixed, vented, and tubular skylights each come with their own price ranges. Larger skylights carry a higher price tag, requiring more materials and involving more complex installation processes. The installation method itself adds to labor costs if the setup is complicated. Skylight materials — acrylic, polycarbonate, or glass — vary in strength and price, so selecting a material that balances cost and durability is important. While premium materials mean a higher initial investment, they offer added value over time through better energy savings and durability.

Types of Skylight Replacements

When considering skylight replacement, you have several options to choose from. Each type offers benefits and features that cater to different needs. Understanding these options helps you select the best skylight replacement for a home.

Fixed Skylights

Fixed skylights are a popular choice. They bring natural light into a room without the need for ventilation. They’re mounted directly on the roof and don’t open, making them a durable and low-maintenance option. Fixed skylights are ideal for spaces like living rooms or hallways where additional airflow isn’t necessary. Their sealed design provides a strong barrier against weather extremes, helping minimize heat loss or gain.

Tubular Skylights

Also known as “solar tubes,” tubular skylights are popular for their compact size and ease of installation. They capture sunlight through a rooftop dome and channel it into the home using a reflective tube. Tubular skylights are an excellent choice for smaller spaces or areas where a traditional skylight might not fit. They work well for closets, bathrooms, and hallways where extensive daylight is wanted, but space is limited.

Vented Skylights

Vented skylights open to allow for air circulation. This feature makes them ideal for kitchens, bathrooms, or any space that could benefit from improved ventilation. They help regulate indoor temperature and humidity levels, making your living space more comfortable. Some vented skylights come with rain sensors that automatically close the window when it detects moisture. This feature keeps your interior dry even during unexpected rain showers.

How To Know if Your Skylight Needs To Be Replaced

Recognizing the signs that a skylight needs replacement saves you from significant damage and costly repairs. Here are key signs that it might be time for a new skylight:

Damp or Discolored Ceiling

Stains or dampness on the ceiling around the skylight are clear signs of a leak. This moisture leads to more serious issues like mold growth if left unaddressed. Additionally, discoloration on the skylight glass itself indicates aging and reduced efficiency. Regular inspections catch these early signs before they become major problems requiring extensive repairs.

Broken or Cracked Glass

Small cracks in skylight glass can compromise its integrity. These cracks result from severe weather events or general wear and tear over time. Any visible damage to the glass indicates that it is time for replacement. Ignoring this damage leads to water leaks and further structural complications, making it important to replace the skylight on time to keep it looking great and working well.

Condensation Between Panes

If a skylight has double or triple-pane glass, condensation between the panes suggests that the seal has failed. This condensation affects the skylight’s insulating properties and leads to further damage if not addressed quickly. Condensation problems not only hurt your home’s energy efficiency but also encourage mold growth, making it essential to deal with them immediately.

Increased Energy Bills

While not as visually apparent, a noticeable increase in energy bills could indicate that a skylight is no longer energy-efficient. Older skylights lack the insulating properties of modern models, leading to heat loss in winter and heat gain in summer. Monitoring energy bills helps identify such inefficiencies. Timely skylight updates will improve your home’s energy performance.

How To Choose a Skylight Replacement

Selecting the right skylight replacement involves considering several factors — functional needs and design preferences. Keep these key aspects in mind: 

Size and Shape

Fit the new skylight to the existing opening. Consider adjusting the size or shape if you want improved lighting or a different look. I recommend you consult a professional to make sure any changes are structurally sound. Custom shapes and sizes improve the design appeal of your home’s interior but require careful planning and coordination with roofing experts.

Energy Efficiency

Select a skylight with good insulation properties and low-E coatings to minimize heat transfer. The U-factor and Solar Heat Gain Coefficient (SHGC) are important metrics to consider for energy efficiency. Opting for energy-efficient skylights helps reduce utility bills and creates a more environmentally friendly home.

UV Protection

Choose skylights with UV-blocking capabilities to protect your furniture and flooring from sun damage. Many modern skylights offer excellent UV protection without compromising natural light. This feature helps keep your interior furnishings vibrant and undamaged, especially in rooms with extensive sun exposure.

Glazing Options

Consider different glazing options like tempered glass for safety or laminated glass for noise reduction. Some skylights also provide tinted options to reduce glare and heat. Advanced glazing technologies deliver many benefits, balancing safety, comfort, and design appeal. Base your glazing choice on your needs for increased privacy, better sound insulation, or higher energy efficiency.

Skylight Replacement vs. Repair

If you’re facing a skylight issue, you may wonder whether to repair or replace it. While repairs seem more cost-effective initially, there are situations where replacement is the better long-term solution.

When to Consider Repair

In some situations, you can effectively repair a skylight instead of replacing it entirely. For instance, adding new flashing or sealant can often solve the problem if you notice minor leaks. You can fix cosmetic issues that don’t impact the skylight’s functionality without doing a complete replacement. If your skylight is less than 10 years old and has only minor problems, repairs are a practical option to consider.

When Replacement Is Recommended

Sometimes, replacing a skylight becomes necessary for your home’s safety. If you experience extensive water damage or persistent leaks, it’s time for a new skylight. Skylights over 15 to 20 years old typically need replacing due to declining performance. If you notice significant energy efficiency issues or want to upgrade features and improve your home design — consider a replacement. Deciding whether to repair or replace hinges on the skylight’s age, the severity of the problems, and your long-term goals for your home. Consulting a professional can help you find the most practivle and cost-effective solution.

Professional vs. DIY Skylight Replacement

While some home improvement projects are suitable for DIY enthusiasts, skylight replacement often requires professional expertise. Here’s why:

Benefits of Professional Installation

Getting your skylight professionally installed has several perks that help it work well and last a long time.

• Establishes proper waterproofing and sealing, preventing future leaks.
• Guarantees correct fitting and alignment, avoiding structural issues.
• Includes warranty protection on work and materials.
• Addresses any underlying roof issues discovered during installation and provides comprehensive solutions.

Risks of DIY Installation

Attempting a DIY skylight replacement poses several risks that lead to further complications.

• Potential for improper installation leading to leaks.
• Safety concerns working on the roof.
• Lack of specialized tools and equipment.
• Possibility of voiding manufacturer warranties.

For most homeowners, the peace of mind and quality of professional installation outweigh any potential cost savings from DIY efforts. Professionals also make sure that the installation complies with local building codes and industry standards, providing long-term reliability and performance.

Top Choices for Skylight Replacements

When selecting a new skylight, several brands and models stand out for their quality and features. Each brings unique advantages, making it easier for homeowners to choose the right skylight for their spaces.

Velux Electric Fresh Air Skylight

This model offers natural light and ventilation, with a remote-controlled opening mechanism. It features safety glass and noise reduction. Its innovative technology features rain sensors that automatically close during bad weather. This keeps your home’s interior safe from sudden weather changes.

Sun-Tek Extreme Weather Skylights

These skylights withstand harsh weather conditions, making them ideal for areas that experience severe storms or high winds. They offer better protection against bad weather, making them a dependable option for areas with unpredictable conditions. Their sturdy design gives them a long lifespan, so you won’t have to replace or repair them often.

Glazing Vision Flushglaze

This skylight boasts a sleek, modern design and delivers excellent thermal performance while remaining customizable to fit various roof types. Flushglaze integrates seamlessly into the roof surface, providing an unobstructed view and maximizing natural light. Its minimalist appearance and high-performance glazing increase both the style and function of contemporary homes.

Final Thoughts About Skylight Replacement

Skylight replacement is more than just a home improvement project — it’s an investment in comfort, energy efficiency, and the value of your home. Understanding the options and benefits of professional installation can make the decision easier.

Homeowners should consider their budget and long-term goals when choosing a skylight replacement. Whether opting for a simple fixed skylight or a high-tech vented model, the right choice can dramatically improve your home’s lighting, ventilation, and overall ambiance. Weighing the upfront costs against the potential energy savings and increased home value shows skylight replacement is a worthwhile investment.