A1 Home Improvement is Connecticut’s trusted contractor for roofing, siding, solar, windows, doors, and gutters—serving every town, every season, with quality you can count on. With over 30 years of experience and a fully licensed, insured team, we provide full-service exterior solutions for homeowners and businesses across the entire state.

We’re a top-rated roofing company in Connecticut, offering roof repairs, full roof replacements, storm damage restoration, and seasonal roof inspections. Whether you’re dealing with leaks, aging shingles, or flat roofing needs, we deliver expert results with lasting workmanship.

Our team also installs durable vinyl and fiber cement siding, along with energy-efficient windows and exterior doors designed for performance and protection in New England weather. Every product we use is sourced from trusted manufacturers and installed to exacting standards.

Protect your home from water damage with our seamless gutter installation and gutter guard systems, tailored to your roofline for optimal drainage. Interested in clean energy? We provide custom solar panel system design and installation, helping Connecticut homeowners transition to renewable energy with confidence and support.