Window Installation in North Lyme, CT

Windows That Actually Keep the Cold Out

Professional installation, energy-efficient windows, and no more drafty rooms this winter.

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New Windows North Lyme CT

Lower Bills, Warmer Rooms, Better Sleep

Your heating bill shouldn’t spike every time the temperature drops. When windows are installed correctly with quality materials, you’ll notice the difference immediately.

No more cold drafts sneaking through gaps. No more condensation fogging up your view. No more fighting with stuck sashes or broken hardware.

You get consistent temperatures throughout your home, quieter rooms, and windows that actually open and close like they should. Plus, you’ll see the energy savings on your next utility bill.

Window Company North Lyme Connecticut

We Install Windows Right the First Time

Sullivan Contracting has been handling window installations throughout Connecticut for years. We know what works in North Lyme’s coastal climate and what doesn’t.

Every installation follows manufacturer specifications exactly. We don’t cut corners on flashing, insulation, or weatherproofing because we know you’re counting on these windows to perform for decades.

You’ll work directly with experienced installers who understand Connecticut weather patterns and building codes. No subcontractors, no surprises.

Window Installation Process Connecticut

From Measurement to Clean-Up, Here's What Happens

We start with precise measurements at your home. Every opening gets checked twice because even small errors cause big problems later.

Installation day begins with protecting your floors and furniture. Old windows come out carefully to avoid damage to your siding or trim. New windows go in with proper flashing and insulation around the entire frame.

We test every window before we leave. They should open smoothly, lock securely, and seal completely. You’ll get a walkthrough of care instructions and warranty information before we clean up and finish.

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Window Replacement North Lyme CT

What's Included in Every Window Installation

Every installation includes removal and disposal of your old windows. We handle the permits if needed and coordinate timing around your schedule.

You get proper insulation and weatherproofing around each frame, not just the window itself. Interior and exterior trim work is included to match your existing style.

We work with quality window manufacturers that offer solid warranties. Whether you need vinyl, wood, or composite windows, we’ll help you choose what makes sense for your home and budget. All installations come with our workmanship guarantee.

How long does window installation take for a typical home?

Most single-family homes take one to two days depending on the number of windows. We can typically install 8-12 windows per day with a two-person crew. Larger homes or custom windows might take longer, but we’ll give you an accurate timeline upfront. Weather can affect exterior work, so we build some flexibility into the schedule. The key is doing it right rather than rushing through the job.

What's the best time of year for window installation in Connecticut?

Spring through fall offers the most predictable weather for installations. However, we work year-round because sometimes windows fail when you least expect it. Winter installations are absolutely possible with proper precautions. We just work faster to minimize heat loss and may schedule around severe weather. If you’re planning ahead, late spring and early fall typically offer the best conditions and availability.

How do I know if I need full window replacement or just repairs?

If your windows are more than 20 years old and showing multiple issues, replacement usually makes more sense than repairs. Look for condensation between glass panes, difficulty opening or closing, visible drafts, or rotting frames. Single problems like broken hardware can often be repaired, but when you’re dealing with several issues, new windows will save you money long-term through better energy efficiency and less maintenance.

What window brands do you recommend for Connecticut's climate?

We work with several manufacturers that perform well in New England weather. The key is choosing windows with proper insulation ratings and weather seals that hold up to temperature swings. Vinyl windows offer good value and low maintenance, while wood and composite options provide more style choices. We’ll recommend specific brands and models based on your home’s style, your budget, and your priorities for energy efficiency versus appearance.

Will new windows really lower my energy bills significantly?

Yes, but the savings depend on what you’re replacing. If your current windows are single-pane or more than 15 years old, you’ll likely see noticeable savings on heating and cooling costs. Modern windows with Low-E coatings and argon gas fills can reduce energy loss by 30-50% compared to older windows. The exact savings vary based on your home’s size, heating system, and current window condition, but most homeowners see the difference within the first few months.

Do you handle permits and inspections for window replacement?

We handle permit applications when they’re required, though many window replacements in existing openings don’t need permits in Connecticut. If you’re changing window sizes or doing structural work, permits are typically required. We know local building codes and will pull the necessary permits and schedule inspections as needed. This is all factored into our project timeline and pricing, so you don’t have to worry about the paperwork or coordinating with town offices.

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