1. Consultation
We discuss your goals: energy efficiency, style, noise reduction, or simply replacing aging windows.
2. Selection
Choose from quality window lines suited to your home's style and budget.
3. Installation
Our trusted subcontractor partners handle professional installation, coordinated by our team from start to finish.
Heritage Window Treatments Inc. now offers new window sales for homeowners and businesses across Brentwood, NY and Long Island. From the first conversation about styles and materials through final installation, we guide you to the right windows for your home — and bring in trusted, experienced subcontractor partners to handle the installation itself, so every window is set correctly and built to last.
Signs It's Time to Replace
Drafts near a closed window, visible condensation between panes, and a window that’s hard to open or won’t stay up on its own are the three most common reasons homeowners call us. Condensation between the panes specifically means the seal has failed and the gas fill is gone — that window is no longer insulating, no matter how new it looks from the street. Rising heating and cooling bills without any other explanation are often traced back to old single-pane or early double-pane windows losing their efficiency over time.
What Actually Affects Performance
Two windows can look identical and perform very differently. The glass package matters most — double or triple-pane with a Low-E coating and argon gas fill cuts heat transfer far more than glass alone. Frame material comes second: vinyl and fiberglass resist swelling and rot better than wood in our coastal climate, while wood still wins on interior character for period homes. Installation quality is the third factor, and it’s the one that’s invisible after the fact: a poorly air-sealed frame undermines even the best glass package, which is exactly why we coordinate installation rather than leave it to a separate, unmanaged crew.
Why Replace Your Windows
New windows improve energy efficiency, reduce outside noise, and refresh the look of your home — and they pair naturally with custom window treatments, so your new windows and your shades, blinds, or drapery are designed to work together.
Serving Brentwood, NY & Long Island
Heritage Window Treatments proudly serves Brentwood and the surrounding Long Island communities, including Old Westbury, Muttontown, Brookville, Manhasset, Great Neck, Sands Point, Cold Spring Harbor, Lloyd Harbor, and Huntington.
Residential & Commercial
We work with homeowners and business owners alike, from a single replacement window to a full-property upgrade.
Aeris Wood Windows
ProVia’s premium wood-frame double-hung window, built for a warm, traditional look with modern energy performance.
Endure Windows
A durable ProVia window built to hold up to Long Island weather year after year, with a rich stained-wood interior finish.
Aspect Vinyl Windows
A low-maintenance ProVia vinyl window that delivers strong energy efficiency at a more accessible price point.