J. C. Tonnotti Window Company

J. C. Tonnotti Window Company www.JCTonnotti.com
Windows-Doors-Roofing-Siding
Call 860-621-1642
"A Name You Can Rely On!" J.C.

Tonnotti Window Company is located in Southington, CT and has been installing replacement windows & doors in Connecticut since 1985. As a fully licensed and insured home improvement company, services the state of CT. Specializing in replacement window installations
+ home improvements; doors, siding, roofs...

This National Roofing Week, we’re taking a moment to recognize the skilled crews who do the hard work above the roofline...
06/04/2026

This National Roofing Week, we’re taking a moment to recognize the skilled crews who do the hard work above the roofline.

From ice and water shield to architectural shingles, every detail helps protect New England homes through every season. To the roofing tradespeople who show up, lift heavy, and keep communities covered, thank you. 🏡

06/03/2026

A job site in full swing. The crew is out and getting these new windows and doors locked in. This is the part of the process you don't always see, but it's where the real transformation begins.

Ready to upgrade your windows and doors? Contact JC Tonnotti today to schedule your window and door consultation.

A window can only perform as well as it’s installed.Even a frame that’s off by a fraction can affect comfort, efficiency...
06/01/2026

A window can only perform as well as it’s installed.

Even a frame that’s off by a fraction can affect comfort, efficiency, and long-term durability. That’s why our in-house crew takes the time to check the level, square the opening, and set every Harvey window with care.

Because better windows deserve better installation. 🪟

The difference between a good paint job and a great one comes down to the final five percent, the details that make ever...
05/29/2026

The difference between a good paint job and a great one comes down to the final five percent, the details that make everything feel clean, sharp, and finished.

That attention to detail is what helps the finish hold up over time, not just on day one.

Take a look at more of our recent Connecticut projects.

05/28/2026

Some days, the job site is just buzzing.

We had the whole team on deck for a big window and door install. It takes planning, precision, and a lot of teamwork to keep a project like this moving.

Seeing a home transform is why we love what we do.

Thinking about refreshing your windows or doors?

A tight seal starts at the saw, not the sill.Our in-house crew custom cuts every piece for a clean fit, sharp finish, an...
05/27/2026

A tight seal starts at the saw, not the sill.

Our in-house crew custom cuts every piece for a clean fit, sharp finish, and lasting performance through spring storms, summer heat, and everything Connecticut weather brings next. 🪟☀️

Some jobs are personal. This one really was. ❤️Just a normal day working on the job with your dad and sister. 😂 ...
05/22/2026

Some jobs are personal. This one really was. ❤️

Just a normal day working on the job with your dad and sister. 😂

You should always know exactly who is walking through your front door. That is why we only send our own full-time, in-ho...
05/18/2026

You should always know exactly who is walking through your front door. That is why we only send our own full-time, in-house crew to your house, never random subcontractors.

Accountability literally wears our name on its back.

If that kind of peace of mind matters to you, book a consultation with our team.

New windows can completely change the way a home looks and feels 🏡This installation featured Harvey Slimline windows thr...
05/15/2026

New windows can completely change the way a home looks and feels 🏡

This installation featured Harvey Slimline windows throughout the home, with 13 double-hungs, one 2-lite rolling window, and one 3-lite rolling window.

A beautiful finish with lasting performance.

05/13/2026

Warning: side effects may include…
✔️ more sunlight
✔️ fewer drafts
✔️ staring out your windows way more than usual 😄

This one was a full team effort, from first setup to final touches.

Worth it? Yeah… we think so.

Address

205 Bristol Street
Southington, CT
06489

Opening Hours

Monday 7:30am - 4pm
Tuesday 7:30am - 4pm
Wednesday 7:30am - 4pm
Thursday 7:30am - 4pm
Friday 7:30am - 4pm

Telephone

+18606211642

Website

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