Product

646-397-4655

Custom Soundproof
Window Inserts

Installed in the NYC Area

Effective at blocking heavy city noise

Renter-Friendly

Full-Service Install

7-Day Turnaround

The Whisper Windows Difference

Why Our Inserts Work So Well in NYC Homes

Built for NYC Noise

Engineered for NYC’s toughest noises: traffic, sirens, construction, trains, planes, and other low-frequency sounds.

Fits Every Window Type

Pre-war, brownstone, floor-to-ceiling, sliding, crank-out, tilt-and-turn, and oversized windows—plus solutions for ACs, floor heaters, and irregular shapes.

Full-Service, Hassle-Free Installation

Our NYC team handles measurement, fabrication, delivery, and installation. Most projects complete in 7–10 business days—much faster than national alternatives.

Best Soundproofing Value through Smart Design

We tailor our service to your window and noise profile, adding renter-friendly frame buildouts that expand the air gap for studio-grade acoustic results—far beyond DIY inserts.

Our Process

How It Works

Consult

We assess your noise concerns and window type, then recommend the best insert system for your home.

Measure & Build

We take precise measurements and custom-build your inserts in our NYC workshop for a fast turnaround and perfect fit.

Install

We deliver within 7–10 business days—with full-service and spotless cleanup included.

Two Custom Systems —
We'll Recommend the Best One for You

Both systems are renter-friendly and professionally installed.
During your consultation, we'll recommend the system that performs best for your window setup and everyday usage.

Compression Inserts

No-Drill System

✓Renter-friendly tension mechanism — no-drill, no adhesives
✓Protects and preserves specialty and historic windows
✓Ideal for standard-sized single windows
✓Proprietary fit-adjustment mechanism for tight seal and better performance on uneven frames

Magnetic Inserts

Versatile, High-Performing

✓Fits all window types, window AC, floor heaters, and more
✓Easier window access than compression inserts
✓Modular configurations for extra-large or multi-pane windows
✓Long-lasting magnetic mechanism maintains tight seal over time
✓Renter-friendly — fully reversible with small patchable mounting points

Hear the Difference

Unedited Before-After Demos showing how our inserts reduce real NYC noise.

Above Ground Train in BK

Sirens in Soho

Industrial Fan on the UWS

Smart Performance Optimizations

Intentional Air Gaps for Better Noise Reduction

Noise performance depends heavily on the space between your window and the insert. We design each installation to create the ideal air gap for your window type and noise profile.

When helpful, we add a clean, renter-friendly frame extension that increases this air gap and delivers significantly stronger low-frequency noise reduction.

Frame extensions are an optional performance upgrade (~$250 per window) offered exclusively by Whisper Windows.

Recommended Air Gap

For Different Sources of Noise (Inches)

10"

12"

14"

3-5"

Dog Barking

6-8"

Regular Traffic

7-10"

Above-Ground Subway

9-11"

Industrial Condensers

10-13"

NJ Light Rail

Why Professional Installation Matters

Strong performance and easy removability require precise fit, smart design, and proper installation—harder to achieve with DIY kits.

✓Professional, precise measurement ensures smooth installation

✓Custom-fit and adjusted onsite for a tight seal

✓Acoustic-grade 1/4"-1/2" panels are 3-7x thicker than typical window glass

✓Full-service installation by our team

✓Expert consult to customize product to your window type and noise profile

✓Cost similar to DIY acoustic inserts—but with full service included

Feature	Self-Install Kits	Whisper Windows
Measurements	XSelf-measurement prone to errors	✓Professional, precise measurement
Fit & Seal	XGaps or imperfect seals let in noise and drafts	✓Custom-fit and adjusted on-site for a tight seal
Performance	XShipped panels use lighter, thinner materials	✓Thicker 1/4" – 1/2" acoustic-grade panels
Installation	XUnpack, orient, adjust window treatments, and install hardware yourself	✓Full-service installation by our team
Custom Optimizations	XYou choose product type and placement alone	✓We recommend the ideal configuration on-site for your window type and noise profile
Cost	✓Lower cost for thin insulation-only inserts ✓Lower cost for very small windows	✓Similar cost as DIY acoustic inserts—with full service included ✓Often cheaper than shipped inserts for oversized windows

Better Noise Reduction Than Replacement Windows

Our inserts leverage your existing window to create a mass–air–mass system—the gold standard for soundproofing. The result is dramatically better noise reduction than window replacement, with no construction and at a far lower cost.

Testimonials

What NYC Customers Say

★★★★★

"The panels pop on and off easily, and my landlord had zero issues. Before installation, nonstop traffic kept me up every night—now I sleep so well. And it was a fraction of the cost compared to other solutions I looked into."

Nicole W.

Manhattan at the Queensboro Bridge on-ramp

★★★★★

"I live on a very noisy intersection and was ready to move. These inserts worked incredibly well—far better than I hoped—and the team tailored everything to my individual needs."

Josh M.

Brooklyn, Highrise Apartment

★★★★★

"We live on a busy street with cheap old windows. The panels have basically blocked the noise completely—and they’re nearly invisible once installed. They also went above and beyond in customer support."

Bowen S.

Brooklyn Brownstone

Simple, Transparent Pricing

Most NYC projects range from $700–$1,800 per window, depending on size and configuration.

✓ Full-Service Install✓ Includes Consultation, Measurement & Installation✓ Delivery by our Local NYC Team

Custom Soundproof
Window Inserts