Window Installation in Montville, CT

Windows That Actually Work Right

Professional installation, quality materials, and honest pricing for Montville homeowners ready for real results.

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Professional Window Replacement Montville

What You Get When It's Done Right

Your energy bills drop. Those drafty spots disappear. The house stays comfortable without cranking the heat or AC.

You get windows that actually seal properly and insulation that works. No more fighting with old, warped frames that let Connecticut weather walk right through your walls.

Your home looks sharp from the street. Clean lines, proper fit, and windows that complement your house instead of making it look tired. The kind of upgrade that neighbors notice and buyers remember.

Montville Window Company

We Install Windows That Last

Sullivan Contracting has been handling window installations across Montville and eastern Connecticut for years. We know what works in our climate and what doesn’t.

We’re not the guys who show up, slap in some windows, and disappear. We measure twice, install once, and make sure everything seals properly before we pack up.

Local company, local crew, local reputation. We live here too, so we do the work right the first time.

Window Installation Process

Here's How We Handle Your Project

First, we come out and measure everything properly. Not just the window opening, but how your house is built, what kind of siding you have, and what we’re working with.

We order your windows and schedule installation when they arrive. Most jobs take one to two days depending on how many windows we’re replacing.

Installation day, we protect your floors and furniture, remove the old windows carefully, and install the new ones with proper sealing and insulation. We clean up completely before we leave.

You get a walkthrough of everything we did, care instructions for your new windows, and warranty information. No surprises, no mess left behind.

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New Windows Montville CT

What's Included in Every Installation

Quality vinyl or wood windows from manufacturers we trust. Proper insulation around every frame. Professional caulking and weatherstripping that actually keeps the weather out.

We handle the permits if your project needs them. Complete cleanup and disposal of your old windows. Protection for your floors, walls, and landscaping during the work.

Montville’s weather can be tough on windows. We install them to handle everything from humid summers to those February ice storms that test everything on your house.

How long does window installation typically take?

Most residential window installations take one to two days, depending on how many windows we’re replacing and the complexity of your home’s construction. Single-story homes with standard-sized windows usually finish in one day. Two-story homes or houses with custom-sized windows might take two days. We’ll give you an accurate timeline after we measure and assess your specific project. Weather can affect the schedule since we need dry conditions for proper sealing, but we’ll keep you updated if delays happen.

What's the cost difference between vinyl and wood windows?

Vinyl windows typically cost 20-40% less than wood windows upfront, but the real difference shows up over time. Vinyl requires almost no maintenance and won’t rot, warp, or need repainting. Wood windows need regular maintenance but offer better insulation and a classic look that some homeowners prefer. For most Montville homes, quality vinyl windows provide the best value – lower cost, better energy efficiency, and minimal upkeep. We’ll show you samples of both so you can see the actual difference in person.

Do you handle permits for window replacement projects?

Most standard window replacements in Montville don’t require permits if we’re replacing existing windows with similar sizes. However, if we’re changing window sizes, adding new windows, or working on certain historic properties, permits might be required. We handle all permit applications and inspections when they’re needed – it’s included in our service. We know Montville’s building requirements and will tell you upfront if permits are necessary for your specific project.

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

You’ll usually feel it before you see it. Drafts around windows, rooms that won’t stay comfortable, or energy bills that keep climbing are common signs. Visible problems include windows that stick or won’t close properly, condensation between glass panes, or frames that look warped or rotted. If your windows are over 15-20 years old and you’re noticing comfort or energy issues, replacement usually makes more sense than trying to repair them. We can assess your current windows and give you an honest evaluation of whether repair or replacement makes more financial sense.

What kind of warranty comes with new window installation?

Our window installations come with a comprehensive warranty covering both the windows themselves and our installation work. Most quality windows carry 10-20 year manufacturer warranties on materials and components. We provide a separate warranty on our installation work, covering proper fit, sealing, and workmanship issues. If something goes wrong due to installation problems, we fix it at no cost. We’ll explain exactly what’s covered before starting your project and provide all warranty documentation when the job is complete.

Can you install windows during winter in Connecticut?

Yes, we can install windows during Connecticut winters, but we’re selective about weather conditions. We need temperatures above freezing and dry conditions for proper sealing and caulking. Ice, snow, or extreme cold can affect installation quality, so we might reschedule if conditions aren’t right. Winter installations often work well because there’s less humidity, and you’ll immediately notice the comfort improvement in your home. We plan winter projects carefully and communicate about weather-related scheduling to ensure your installation is done properly regardless of season.

Local Resources

Montville, CT is located in New London County in Connecticut State