The window matters. The install matters more.
0% Financing For 72 Months
A good window installed badly performs like a bad window. Ours go in level and square, foamed at the perimeter with low-expansion insulation, flashed so water leaves the way it came, and sealed inside and out. Our own crews do the work — not a subcontractor we met that morning — and the house is clean before they leave.
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What A Correct Install Actually Involves
Most window failures aren't manufacturing defects — they're install shortcuts that take a few years to show up. These are the four places it happens, and what we do at each one.
Measured Opening By Opening
Every window in your house gets measured individually. Houses settle and openings drift out of square, and ordering off a floor plan or one "typical" size is how a crew ends up shimming a gap and calling it done. Your order matches your openings.
Insert Or Full-Frame, For A Reason
If your existing frames are sound, an insert install keeps your interior trim and exterior siding untouched. If there's rot at the sill or the original was never flashed right, full-frame is the only fix that lasts. We tell you which you need and why — and we don't quote the bigger job by default.
Set Level, Sealed, And Flashed
Shimmed level and square, low-expansion foam at the perimeter so nothing bows the frame, flashing lapped to shed water outward, sealed at the interior and exterior. This is the part you'll never see again and the part that decides how the window performs in year eight.
Get Your House Back
Employees, not day-labor subs. Drop cloths down, old units and packaging hauled out on our truck, floors vacuumed, and we work room by room so your home is never left open overnight. You get a walkthrough before we go.

Frequently Asked Questions
Figure most homes at two to three days, though it comes down to count and access more than anything. A single window is under an hour once the crew is set up; a typical day is eight to twelve openings. Second-story work, oversized units, and full-frame installs where the trim comes off all run longer. We work room by room and close up each opening the same day, so your house is never open to the weather at night. You'll get a day-by-day plan with your quote, not a vague window of time.
Someone should be there at the start of the first day and for the walkthrough at the end, but you don't have to sit through the middle. What we'd ask before day one: clear about three feet in front of each window, take down blinds, curtains, and rods, and move anything fragile off the sills. If you've got pets, plan for doors opening and closing all day. Homes built before 1978 follow lead-safe work practices, which means containment and a stricter cleanup — we'll walk you through that beforehand if it applies.
Insert installation fits a new window inside your existing frame. It's faster, costs less, and leaves your interior trim and exterior siding alone — the right call whenever the existing frame is solid. Full-frame takes everything out to the rough opening, which is what you need if there's rot at the sill or in the framing, if the original install was never properly flashed, or if you're changing the size of the opening. The honest version: full-frame is a bigger job and a bigger number, so ask any contractor recommending it to show you the reason. We'll show you ours.
Because there's less between the factory and your house. We buy direct, nobody earns a commission off your quote, and we don't publish a price that exists to be discounted in your kitchen at eight at night. One number covers the windows, the labor, hauling the old units, and the cleanup — and it's the same number next Tuesday.
What Homeowners Say
Jake McDonald Contractor I’m a contractor and purchased windows from the Window Source of New Jersey for the first time. I’m very pleased with the product. They supply high quality windows and doors with easy straightforward communication through the estimate and fabrication process. Provided quick, clean delivery with detailed and thorough installation. Certainly a reputable business with honest friendly ownership. I will continue to purchase my windows through them in the future.
Chris Gati Home owner The Window Source of North Jersey did an outstanding job on our new front door in Morristown, NJ. From the free consultation to the fast installation, everything went smoothly. The door is high-quality, secure, and energy-efficient, adding great value to our home. The crew was respectful, efficient, and cleaned up perfectly. Fantastic service—definitely recommend them!
Premier Industrial Home owner Dealing with the Window Source of North Jersey has been an absolute pleasure. The professionalism and knowledge of windows and doors was far better than anyone else we had visit us. We had the original windows and doors from our 1967 home, and they recommended the best product to fit our budget and keep the look consistent with the home. We would recommend the Window Source of North Jersey to anyone looking for window and door replacement.







