Skylight Replacement in Ronkonkoma, NY

Stop Dealing With Leaks and High Energy Bills

Professional residential skylight replacement that handles Suffolk County weather, cuts energy costs, and comes with a leak-free guarantee you can count on.
A worker in a cap and work clothes installs or repairs a skylight window on a metal roof in Suffolk County, NY, using tools like a hammer and screwdriver, with trees showing autumn foliage in the background.

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A person kneels on a NY rooftop, installing or repairing a skylight window. Tools and materials are spread around, and the person is holding a metal frame piece while wearing casual work clothes and a cap—typical of home construction Suffolk County.

Professional Skylight Installation Ronkonkoma

What You Get With a Proper Installation

Your skylight stops leaking. That’s the baseline, and it’s non-negotiable when the work is done right.

Beyond that, you’ll notice your heating and cooling bills drop. ENERGY STAR certified skylights cut energy costs by up to 13% because they’re built with double-pane glass that keeps heat in during winter and blocks it during summer. That’s real money back in your pocket every month.

You also get more natural light without adding windows. Skylights deliver up to five times more light than a standard window of the same size. Rooms feel bigger, brighter, and more comfortable. If you’ve been living with dark spaces or running lights all day, that shift is immediate.

And here’s what matters long-term: when your skylight is installed correctly with proper flashing and waterproof sealing, it lasts decades. You’re not patching it every few years or worrying when the next storm rolls through. It just works.

Skylight Replacement Company Ronkonkoma

We've Been Doing This for Over a Decade

We’ve been serving Suffolk County homeowners for more than 10 years. We’re licensed, insured, and we specialize in roof skylight replacement that holds up to the freeze-thaw cycles, coastal humidity, and nor’easters that define Long Island weather.

We install Velux skylights because after 20 years in this business, we know which products actually last. Velux builds skylights engineered for climates like ours, and they back their products with real warranties. We back our installation work the same way.

You’ll get upfront pricing before we start. No surprise fees, no upsells for things you don’t need. Just a clear assessment of what your home needs and what it’ll cost to do it right.

Four rectangular skylight windows set into a ceiling, with one window partially open, allowing sunlight to enter. Perfect for NY home construction in Suffolk County, the clear blue sky is beautifully visible through the glass.

Home Skylight Replacement Process

Here's How Your Skylight Gets Replaced

We start with an assessment of your current skylight. That means checking for leaks, measuring the opening, and looking at the flashing and seals around it. Most leaks aren’t caused by the skylight itself—they’re caused by improper installation or worn flashing. We’ll tell you exactly what’s going on.

If replacement makes sense, we’ll walk you through your options. That includes skylight size, ventilation features, glass coatings for energy efficiency, and whether solar-powered models fit your needs. We explain what each option does and what it costs, so you can make the call that works for your home and budget.

On installation day, we remove the old skylight, inspect the roof deck for any damage, and install the new unit with manufacturer-spec flashing and waterproof sealing. Most single skylight replacements take four to six hours and get finished in one day, weather permitting.

After installation, we test everything. We check the seals, make sure ventilation works if applicable, and clean up completely. You get a warranty on both the Velux product and our installation work—up to 10 years depending on the model.

Close-up view of a sloped roof with dark gray asphalt shingles and a rectangular skylight, part of a home construction Suffolk County, NY, with an overcast sky and green trees in the background.

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Residential Skylight Replacement Ronkonkoma

What's Included in Your Skylight Replacement

Every home skylight replacement includes removal of your old unit, disposal, and a full inspection of the roof deck and framing. If there’s rot or damage from previous leaks, we’ll let you know before moving forward. No surprises mid-job.

You get a new Velux skylight installed with professional-grade flashing designed specifically for your roof type. Flat roofs get curb-mounted systems with multiple waterproof membrane layers. Pitched roofs get step flashing integrated with your shingles. Both are built to handle Ronkonkoma’s weather—heavy snow loads in winter, summer heat, and everything in between.

Energy efficiency is built in. Double-pane glass with low-E coatings reduces heat transfer, which means your HVAC system doesn’t work as hard. If you choose a solar-powered model, it opens automatically for ventilation and closes when rain sensors detect moisture. No wiring needed.

You also get a comprehensive warranty covering materials and installation work. Velux products come with their own manufacturer warranty, and we add our leak-free guarantee on top of that. If something goes wrong because of how we installed it, we come back and make it right.

A worker applies sealant with a caulking gun around the edge of a skylight window on a metal roof during home construction in Suffolk County, NY.

How much does skylight replacement cost in Ronkonkoma?

Most single skylight replacements in Ronkonkoma run between $800 and $2,500 per unit. That range depends on skylight size, whether you’re adding ventilation or solar features, your roof type, and the condition of the existing opening.

A basic fixed skylight on a standard pitched roof sits at the lower end. A larger venting skylight with solar power and advanced glass coatings costs more. Flat roofs require curb-mounted systems, which add to the price because of the additional flashing and waterproofing work involved.

We give you upfront pricing after assessing your home. You’ll know exactly what it costs before we start, and we offer financing options for qualified homeowners if that helps spread the investment out.

If your skylight is leaking, the answer depends on what’s causing the leak and how old the unit is. Most leaks come from worn flashing or failed seals, not the skylight itself. If the skylight is relatively new and in good shape, repairing the flashing might be the smarter move.

But if your skylight is more than 15 years old, replacement usually makes more sense. Older skylights lack the energy efficiency of modern units, and you’re likely losing money on heating and cooling. Replacing it with an ENERGY STAR model cuts your energy bills and eliminates the leak problem permanently.

We’ll assess your situation and tell you honestly whether repair or replacement is the better investment. If a repair gets you another five to ten years without issues, we’ll say so. If replacement saves you money long-term, we’ll explain why.

Most single skylight replacements take between four and six hours and get completed in one day. That includes removing the old skylight, inspecting the roof deck, installing the new unit with proper flashing, sealing everything, and cleaning up.

Weather plays a role. We don’t install skylights in rain or snow because the roof opening needs to stay dry during installation. If conditions aren’t right, we’ll reschedule rather than risk a poor installation.

Multiple skylights or complicated roof configurations take longer. If we find unexpected damage to the roof deck or framing, that adds time too. We’ll give you a realistic timeline after assessing your home, and we’ll keep you updated if anything changes during the job.

Yes, if you’re replacing an older skylight. ENERGY STAR certified skylights reduce heating and cooling costs by an average of up to 13%, and that’s backed by data from the EPA. The savings come from double-pane glass with low-E coatings that block heat transfer.

In winter, that means less heat escapes through your roof. In summer, it means less heat gets in. Your HVAC system doesn’t have to work as hard, and your monthly bills drop. For most Ronkonkoma homeowners, that’s $10 to $15 per month in savings, sometimes more depending on your home’s size and insulation.

Older plastic skylights or single-pane glass units are the worst offenders. Replacing them with modern Velux skylights can improve energy efficiency by up to 35%. You’ll feel the difference in comfort, and you’ll see it on your utility bills.

Yes. Flat roofs require curb-mounted skylights, which sit on a raised frame above the roof surface. This design prevents water pooling and ensures proper drainage, which is critical for flat roof applications.

We install multiple layers of waterproof membrane around the curb and integrate it with your existing roof system. Velux makes curb-mounted units specifically for flat roofs, and they’re built to handle ponding water and the freeze-thaw cycles common in Suffolk County.

Flat roof skylight installations take a bit longer than pitched roof installs because of the additional waterproofing work, but the process is straightforward. We’ve done hundreds of them, and they come with the same leak-free guarantee as our pitched roof installations.

You get two warranties: one from Velux on the skylight itself, and one from us on the installation work. Velux product warranties vary by model but typically cover 10 years on materials and components. Some of their premium models come with longer coverage.

Our installation warranty covers workmanship for up to 10 years depending on the scope of work. If your skylight leaks because of how we installed it, we come back and fix it at no charge. That’s our leak-free guarantee.

Both warranties are transferable if you sell your home, which adds value for buyers. We provide all warranty documentation after the job is complete, and we keep records on file in case you need service down the road.

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