Storm Window Installation in NJ and NYC for Older and Energy-Conscious Buildings
Storm windows add insulation and weather protection without replacing the primary windows, which makes them a practical upgrade for older buildings. Glasscare installs storm windows across older and multi-unit buildings in northern NJ and NYC.

What we do
What does storm window installation do?
What the work involves, and why it matters for your building.
What it is
Storm window installation adds a secondary window over the primary glazing to cut drafts, improve insulation, and protect against weather. It is a lower-cost alternative to full window replacement, common on older buildings. Glasscare measures, sources, and installs storm windows across northern NJ and NYC.

Why it matters
For older buildings, full window replacement can be costly and may not suit the building, so a storm window adds a second layer that does much of the same job at lower cost. It reduces drafts and heat loss, protects the primary window, and helps on energy and comfort without replacing what is there. Glasscare measures the existing windows, sources storm windows to fit, and installs them weatherproof, often across a building on one schedule.

Who this is for
Property managers
Improve comfort and energy use across older and multi-unit buildings without full replacement.
Building owners
Add insulation and weather protection at lower cost than new windows.
Homeowners
Cut drafts and protect older windows as part of a renovation.

When it fits
What storm windows do
New construction
Brand new door openings on a build.
Major renovation and gut work
New doors in reworked openings.
Client-supplied doors
Units already purchased that need an installer.
Building-wide upgrades
New doors across a whole property.

What's included with your project
- Measurement of the existing windows
- Storm window sourcing to fit
- Installation
- Weatherproofing
- Multi-unit coordination


Get a Free Site Assessment for Your Storm Windows
Free on-site assessment · Licensed & insured · Serving NYC & Northern NJ
How it works
Your project in three simple steps
From the first call to the final walk-through, Glasscare keeps your project simple, compliant, and on schedule — with in-house crews and one point of contact.
Tell us what you need
Send us your project details or call (201) 943-1122. We'll talk through scope, specs, and timeline — no obligation.
Free on-site assessment
A Glasscare estimator visits the site, takes exact measurements, and confirms code requirements (NYC DOB / NJ DCA) before quoting.
Install + warranty
Our licensed, insured crew fabricates and installs to spec, cleans up, and backs the work with a warranty.
How it works
Service areas across NJ and NYC
Glasscare serves commercial and multi-unit properties across northern New Jersey and the New York City metro. Crews are based in Cliffside Park, which keeps response times short across the close-in market and the river crossings into the city.
Northern New Jersey
New York City metro
For larger commercial and portfolio projects, Glasscare works across the wider region beyond these towns. To check coverage for your building, call (201) 943-1122 or request a free site assessment.
Why Choose Glasscare?
See how Glasscare stacks up against the rest.
With Glasscare

Prompt responses within 48 hours
We respond within 48 hours, because your time is too valuable to be left waiting.

Warrantying items
Every install, repair and replacement is backed by a clear warranty, peace of mind included.

Customer Satisfaction
We stick with you until you're completely satisfeid with our work.

Custom billing needs
Flexible billing that adapts to your needs, not the other way around.

25+ years of experience
Experienced teams that treat your project with utmost professionalism.

Technology driven
We use the latest tech for precision, safety, and faster turnaround.

On site & remote estimates
Get an estimate from your plans or an on-site walkthrough, whatever works for you
Industry standard
Standard response times
Replies often take several days before you hear back.
Basic warranty coverage
Warranties exist but usually come with limits or fine print.
General service delivery
Projects are completed, but without much personalization.
Standardized billing options
Billing is typically one-size-fits-all with little flexibility.
Adequate experience
Teams generally have experience, though it varies widely.
Traditional methods
Work is often done with conventional tools and practices.
On-site estimates only
Clunky, inconvenient estimates that eat up your day.
25+ years of undefeated success.
Our glaziers are the most recognized professionals in the world because we’re committed to amazing service and nothing wears on homeowners like the idea.
1.2K+
25+
20+





What Our Clients Say
FAQs
Frequently asked questions
What do storm windows do?
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They add a layer over the primary window to reduce drafts and heat loss and protect against weather, improving comfort and energy use without replacing the existing windows.
Are storm windows worth it versus full replacement?
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For older buildings where full replacement is costly or not suitable, storm windows add insulation at lower cost. Glasscare advises on the trade-off for the building.
Do you install storm windows across multiple units?
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Yes. Glasscare coordinates installation across multi-unit and older buildings on one schedule.
Do storm windows help with noise?
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The extra layer can reduce noise as well as drafts, though the effect depends on the windows and the building.
How much does storm window installation cost?
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Cost is quoted per project based on count and fit. Call (201) 943-1122.
