Window Installation Create an Entrance You'll Be Proud to Come Home To

Window Installation in Bergen County, NJ

Name: PJ Sullivan Exteriors
Address: 192 Greenwood Ave.,, Midland Park, NJ, 07432
Telephone: (201) 857-0600

Design-Build Window Installation for Bergen County Homes

Most window companies deliver a product and a crew. We deliver a process. As a Marvin Authorized Replacement Contractor operating since 2006, PJ Sullivan Exteriors integrates 3D exterior rendering into every window project, so you can see exactly how your new windows will look against your home’s full facade before a single frame comes out. That distinction matters in Bergen County, where homes range from mid-century colonials to architecturally detailed historic homes, and the wrong window choice reads immediately from the street.

We serve Bergen County, NJ with deep roots in NW Bergen County communities including Wyckoff, Saddle River, and Midland Park. Whether you’re replacing one drafty unit or upgrading an entire exterior, the same design-build process applies.

Ready to see what new windows could do for your home? Call PJ Sullivan Exteriors at (201) 857-0600 to schedule a consultation.

Why Bergen County Homeowners Choose PJ Sullivan Exteriors

Our track record is built on accountability. Pete Sullivan, our owner, maintains direct involvement in projects from design through installation. It’s not a marketing claim, but something clients mention consistently in their reviews. Every vendor we work with is hand-selected, and clients receive one-on-one attention through the full project.

The credentials back the work. PJ Sullivan Exteriors appeared on Remodeling Magazine’s Top 550 list from 2012 through 2019 and has earned multiple consecutive Best of Houzz awards. For homeowners managing high-value properties, having a single accountable point of contact from design through completion removes the coordination burden that comes with using separate design and installation vendors.

Window Styles & Materials We Install

We install the full range of window configurations in materials suited to Bergen County’s architectural variety and climate demands.

Window styles available:

Double-hung windows suit traditional home styles common across NW Bergen County and allow ventilation from the top or bottom sash
Casement windows compress tightly against the frame when closed, making them a strong choice for energy efficiency
Bay and bow configurations extend outward from the wall, adding interior volume and natural light
Sliding windows work well where vertical operation isn’t practical
Custom configurations for unique layouts, historic openings, or design-specific applications

Material options include:

Vinyl for low maintenance and broad style compatibility
Fiberglass for higher thermal performance and dimensional stability
Wood for historic and traditional homes where character is a priority, with the understanding that it requires ongoing upkeep

Start Your Window Project

New windows affect how your home looks, performs, and feels year-round. We build the design review into every project before work begins, so material choices, style selections, and the 3D rendering process are all worked through before installation starts.

Call PJ Sullivan Exteriors at (201) 857-0600 to schedule your window installation consultation.

Our Window Installation Process

Every project starts with a design consultation, not a measurement appointment. We use 3D exterior rendering to show you how your selected windows will read against your home’s full exterior, including how they interact with your siding, trim, and doors. Once the design is confirmed, we move into precise measurement and frame assessment before any materials are ordered.

On installation day, we give close attention to flashing, sealing, and insulation around every opening. Air and water infiltration points are addressed at the frame level, not patched after the fact. Pete Sullivan’s direct involvement means consistent oversight from the first site visit through the final walkthrough, where we go through each installed unit with you.

Signs Your Windows May Need Replacement

Windows don’t fail all at once. Most Bergen County homeowners notice one or two symptoms before the full picture comes into focus.

Common indicators it’s time to replace:

Drafts or temperature inconsistency near window frames, even when units appear closed and latched
Condensation forming between panes, which signals a failed seal in double-pane or insulated glass units
Difficulty opening, closing, or locking windows, often caused by warped frames or worn hardware. See our window repair services if you’re not yet ready for full replacement
Visible rot, cracking, or deteriorated caulking around the exterior frame
Noticeably higher heating or cooling costs in a home with original single-pane or aging double-pane windows

What Bergen County’s Climate & Architecture Demand

Bergen County’s seasons put real demands on window performance. Cold winters, nor’easters, and humid summers require products with strong thermal ratings and weather-resistant sealing that holds up across the full seasonal range. Selecting windows on appearance alone, without accounting for glass package and frame material performance, can lead to problems over time.

NW Bergen County also has a high concentration of historically detailed and architecturally specific homes. In communities like Saddle River and Wyckoff, window style selection is sensitive work. The wrong profile or divided light pattern can compromise a home’s character. Installations are completed to meet applicable NJ Uniform Construction Code energy performance requirements for window replacements.

How 3D Design Fits Into Window Installation

Window replacement is one of the most visible changes you can make to a home’s exterior. A slightly different grid pattern, a shift in frame color, or a change in profile proportions shows at street level. Most installation companies can’t show you those differences in advance. We can.

Our 3D exterior rendering lets you see your actual home with the proposed windows in place before installation begins. That visualization step is built into our design-build process, not offered as an add-on. It also means window installation can be planned alongside siding, trim, and door updates as part of a unified exterior project. All elements are designed to work together rather than being selected in isolation.

View Our Featured Projects

Browse Our Work

Award-Winning Business

Your Project. Our Passion.

Read Our Five-Star Client Reviews

Wonderful Company - Highly Recommend!
“Amazing…these guys just care and are wonderful to work with…Highly Recommend!”

- Steven J.
We found his team to be incredibly professional to work with, no detail was missed and they had excellent ideas which we followed.
“We hired Peter to renovate our basement. Our basement looks fantastic and we spend so much time in it.”

- Patty D.
We were so happy with the job PJ Sullivan did for us. We couldn’t have asked for a better company to do this for us.
“Pete was very attentive and visited our home at least 3 times a week and that was important for us.”

- Jaime T.
Outstanding company to work with!
“Outstanding company to work with! The work was completed in a professional manner, on schedule, and with an exceptionally high level of precision and attention to detail.”

- Emalac

View All Reviews

Schedule a Consultation

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Why Choose Us?

Experience Exceptional Service

Industry Recognition

We've been acknowledged for excellence by leaders in the field, nationally ranked for exterior replacement, and rated highly by satisfied clients.
Personal Attention

Each client receives one-on-one attention through the entire process. Our vendors are hand-picked and the best in the business.
Your Project is Our Project

We maintain a consistently high level of professional care and responsibility in each project, and guarantee all of our work to be of exceptional quality.
Unparalleled Style

Our style is as unique as our clients are. With each new client, your luxury dreams become reality. You can expect a timeless style that will outlast today’s trends.