Window Installation in Groton, CT

Windows That Actually Lower Your Bills

Professional window replacement that cuts energy costs and eliminates drafts for good.

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Energy Efficient Window Replacement

Finally Stop Throwing Money Out The Window

Your heating bill doesn’t have to spike every winter. When your windows actually seal properly and insulate like they should, you’ll notice the difference immediately.

No more cold spots near the windows. No more cranking the heat to compensate for drafts. No more watching your hard-earned money disappear through gaps and poor seals.

New windows cut your energy costs significantly while making every room more comfortable year-round. You get consistent temperatures, less outside noise, and the peace of mind that comes with knowing your home is properly protected from Connecticut’s harsh weather.

Groton Window Installation Company

We've Been Installing Windows Right Since Day One

Sullivan Contracting has been serving Groton and the surrounding Connecticut area with professional window installation services that homeowners can count on. We understand what works in our climate and what doesn’t.

Every window installation is done with the same attention to detail and commitment to quality that has built our reputation in the local community. We’re not the biggest company around, but we’re the one that shows up when we say we will and gets the job done right.

Professional Window Installation Process

Here's Exactly How We Handle Your Project

First, we come out to measure your existing windows and discuss your specific needs and preferences. No pressure, no sales games – just straight talk about what will work best for your home and budget.

Once you’re ready to move forward, we order your custom windows and schedule the installation around your timeline. On installation day, we protect your home’s interior, carefully remove the old windows, and install the new ones with proper sealing and insulation.

We clean up completely when we’re finished and walk through everything with you to make sure you’re satisfied with the work. Your new windows come with manufacturer warranties, and our installation is guaranteed.

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New Windows Groton CT

What You Get With Every Installation

Every window installation includes proper removal of your old windows, professional installation of new energy-efficient replacement windows, and complete cleanup of the work area. We handle all the details so you don’t have to worry about anything.

We work with quality window manufacturers that offer excellent warranties and proven performance in Connecticut’s climate. Whether you need double-hung windows, casement windows, or specialty shapes, we’ll make sure you get windows that fit perfectly and perform for years to come.

Our installations include proper sealing, insulation, and weatherproofing to maximize energy efficiency and prevent future problems. You won’t find shortcuts or corner-cutting here – just solid workmanship that protects your investment.

How long does window installation typically take to complete?

Most residential window installations take one to three days depending on the number of windows and any complications we encounter. A typical home with 10-15 windows usually takes two full days. We work efficiently but never rush the important details like proper sealing and insulation. Weather can sometimes delay exterior work, but we’ll keep you informed of any schedule changes and work around your needs as much as possible.

What's the best time of year to replace windows in Connecticut?

Spring through fall offers the best weather conditions for window installation, but we work year-round when needed. Late spring and early fall are ideal because temperatures are moderate and there’s less chance of weather delays. However, if your windows are failing and driving up your heating costs, it often makes sense to replace them before winter hits. We can work in most weather conditions and take extra precautions to protect your home during installation.

How much money will new windows actually save on energy bills?

Most homeowners see 15-25% reductions in their heating and cooling costs after replacing old, inefficient windows. The exact savings depend on your current windows’ condition, your home’s size, and your energy usage patterns. Single-pane windows or windows with broken seals typically offer the biggest savings potential when replaced. We can give you a realistic estimate of potential savings based on your specific situation during our initial consultation.

Do you handle permits and inspections for window replacement projects?

Most standard window replacements in Groton don’t require permits since we’re replacing existing windows with similar sizes. However, if structural changes are needed or if you’re enlarging window openings, permits may be required. We’ll let you know upfront if permits are needed and can handle the paperwork and inspection process for you. We’re familiar with local building codes and make sure all work meets or exceeds requirements.

What happens if there's damage behind the old windows during removal?

It’s not uncommon to find some water damage or rot around old windows, especially in Connecticut’s climate. We inspect the framing and sill areas as we remove each window and let you know immediately if we find any issues. Minor repairs are often something we can handle on the spot, while more extensive damage might require additional work. We’ll always discuss options and costs with you before proceeding with any repairs beyond the original scope.

How do I know if my windows need to be replaced or just repaired?

If your windows are more than 15-20 years old, have broken seals in double-pane glass, or show significant drafts and condensation issues, replacement usually makes more sense than repairs. Windows that are difficult to open, have rotting frames, or single-pane glass are definitely candidates for replacement. During our consultation, we’ll honestly assess whether your windows can be effectively repaired or if replacement is the better long-term investment for your comfort and energy savings.

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