ABOUT Skylight Window FAQ
Fixed skylights are sealed and provide only daylight, while venting models have hinged sashes for airflow and can be manual or solar-powered
Typically, a single 2 × 4 ft skylight increases interior light equivalent to four 2 × 3 ft vertical windows; tubular devices add lighting to tight spaces like hallways
Yes—when specified with low-E coatings, argon fill, and insulated frames, skylights can meet ENERGY STAR® standards and reduce lighting and heating costs
Common options include tempered, laminated, tinted, and low-iron glass, often with multiple panes and gas fills for thermal control
A small tubular unit may install in 2–3 hours; traditional curb-mount or custom systems typically require 1–2 days, including roofing work
Prices range from $50–$200 for basic tubular models (materials only) to $1,00–$3,00+ for fixed or venting curb-mount skylights, plus labor
Yes. Venting skylights with solar or manual operation can exhaust warm air and introduce fresh air, improving indoor air quality
When correctly flashed, sealed, and maintained, high-quality skylights resist leaks; improper installation is the primary cause of water intrusion
Inspect seals and flashing annually, clear debris, clean glazing with mild detergent, and re-caulk joints as needed to preserve performance
Yes—by enhancing curb appeal, daylighting, and energy performance, skylights can yield a 5–10% increase in property value, particularly in premium markets
