Door and Window Services

Simsbury, CT | Avon, CT

Free, In-House Consultations 

Free Quotes 

Showroom Available

Hours:

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Upgrade Your Home With Quality Door and Window Solutions

Since 1989, A-1 Windows & Doors has served homeowners throughout the Greater Farmington Valley with reliable door and window services. We're a locally owned and operated, family-run business with 50 years of combined experience. Our commitment to quality craftsmanship shows in every project, from replacing a single window to upgrading your entire home.

Our personal approach means you'll always talk to a real person who cares about your satisfaction. From free in-home consultations to showroom visits, we guide you through each step without using subcontractors. We're EPA certified and offer a 10-year installation guarantee on most work. Ready to get started? Contact A-1 today for your free estimate.

Why Choose Us

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Showroom Available

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Locally & Family Owned

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Free Quotes

A1 Windows & Doors LLC
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No Sub-Contractors

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In-House Consultations

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Installation Guarantees

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Door Installation

Our door installation services improve your home's security, energy efficiency, and curb appeal with quality craftsmanship you can count on.
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Residential Door and Window Services

We handle all aspects of residential door and window work, from initial consultation to final installation. Everything happens under one roof for your convenience.
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Window Installation

Count on our experienced team for window installation that improves your home's comfort, appearance, and energy performance throughout every season.
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Window Replacements

We handle window replacement projects of any size with the same attention to detail and care, from single windows to whole-home updates.
A1 Windows & Doors LLC
First Responders Save 5%

A-1 honors those who serve our community. First responders receive 5% off all window installation services throughout the Greater Farmington Valley and surrounding towns.

Contact A-1 today to schedule your installation!

Not valid with any other offers or promotions. Restrictions apply.

Must mention this coupon at the time of scheduling.

A1 Windows & Doors LLC
Quantity Discounts Available Now

Planning multiple window installations? A-1 offers special quantity discounts for larger projects across the Greater Farmington Valley area.

Reach out to A-1 to learn more about our quantity pricing.

Not valid with any other offers or promotions. Restrictions apply.

Must mention this coupon at the time of scheduling.

Our Recent Projects

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Here's what our satisfied customers are saying...

At A-1 Windows & Doors LLC, we take pride in providing exceptional window services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of A-1 Windows & Doors LLC and let others know what you think.