Windows & Doors

Custom Replacement Windows and Doors For The Home You Love

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Windows & Doors2022-12-14T13:31:57-05:00

Infinity from Marvin

Infinity from Marvin, no other window delivers more value with a brand you can trust. Your windows are professionally installed by DiGiorgi Roofing & Siding, and backed by our Everlast Warranty. Better than the best manufacturer’s warranty.

“There are no better replacement windows than Infinity from Marvin”
~David DiGiorgi, President

Why Marvin is the choice for you

100% ultrex fiberglass | Ultrex fiberglass construction

Only Infinity replacement windows are made of 100% ULTREX FIBERGLASS, A uniquely durable material that’s 8X stronger than vinyl, and outlasts and outperforms all other window materials.

Ultrex Fiberglass Exterior. The finish That Outlasts All Others

Infinity’s patented bonded finish is 3X thicker than thin painted finishes. Resists discoloring, warping and corrosion to stay looking new and maintenance free. Looks like wood, performs like fiberglass.

Built Strong To Resist Cold, Heat and Time

Ultrex fiberglass keep windows stable and weather tight all year, every year. Infinity exceeds the performance requirements for energy reduction.

Infinity’s unique window glaze technology reflects heat away in summer and retains indoor heat in winter dramatically reducing energy bills.

Acclaimed Design That Withstands The Test of Time

  • Ultrex’s strength delivers narrow window and door profiles for expanded views and more daylight
  • Proprietary acrylic finish is fade-resistant and virtually maintenance-free
  • Complete collection of styles, features, and options to complement any home

Adding Energy-Efficient Windows

In today’s market, buyers are shopping for homes with energy efficiency in the forefront of their minds. To these prospective buyers, outdated, drafty single-pane windows are a major turn off. Adding a new set of windows to a home can give it a more open and updated look.

In addition, Energy Star also claims that adding Energy Star-rated windows like Marvin replacement windows can save homeowners up to $500 a year in heating and cooling costs, and HGTV claims that homeowners who install Energy Star-rated windows can also expect a 60%-90% return on their investment.

Provia Entry Doors & Storm Doors

DiGiorgi Roofing and Siding uses the highest quality entry and storm doors by Provia. Provia is committed to making doors The Professional Way; doors individually customized for homeowners to the highest standards of durability, security and energy efficiency in the residential market.

Remember, at DiGiorgi we offer the following to you:

  • No obligation consultation
  • Qualified, professional staff and services
  • A lifetime Everlast warranty on products and services
  • A convenient, easy, no stress experience

Replacement Windows and Doors in CT

If you are a resident of Hartford County, DiGiorgi offers the highest quality products for your Hartford home improvement, home vinyl siding, roofing, gutters, and replacement windows. Our services also extend throughout Hartford County including New Britain, Farmington, Windsor. Also serving New Haven, Fairfield, Waterbury, and beyond.

Infinity Bi-Fold Doors

Unfold new possibilities for your home

Reimagine how you live and entertain with Infinity from Marvin’s Bi-Fold Door. Effortlessly slide and stack the door open to frame your own scenic view and invite maximum airflow into your home. When completely closed, the Infinity Bi-Fold Door is designed with narrow profiles to fill your home with light. Only Infinity’s Bi-Fold Door is built with Ultrex® fiberglass on the exterior and the interior for virtually no-maintenance performance.

Contact Us


Are there new screens available?2021-02-17T19:48:18-05:00

Yes, Infinity from Marvin Replacement Windows have a new screen design called, tru-screen. The screen is much less visible than traditional screens and brings the outdoors in.

Can I install the windows myself?2021-02-17T19:48:18-05:00

No, Infinity from Marvin Replacement Windows are not for sale through retail. The installers are factory trained installers, because Infinity from Marvin knows the installation is as important as the window itself.

Can I replace a bay or a bow window?2021-02-17T19:48:18-05:00


What is the Ultrex made out of?2021-02-17T19:48:18-05:00

Ultrex is a fiberglass material because of its incredible strength, we can build narrower frames — so you get more incredible views for your money. But that’s just one example of where Ultrex fiberglass truly exceeds expectations. 8x stronger than vinyl and stronger than other window materials.

Do you install windows during the Winter?2021-02-17T19:48:18-05:00

With our process of “one at a time” replacement your home temperature reduction will be minimal

Do You Have Financing?2021-03-19T11:43:39-04:00


Do You Have References?2021-03-19T11:43:58-04:00

References for all services , even jobs in progress.

Do You Clean Up?2021-03-19T11:45:19-04:00

Daily clean up plus a final clean up with a magnetic sweep.

What Is Your Experience?2021-03-19T11:44:15-04:00

8 decades experience in home improvement 4th generation.

Do You Have A Service Department?2020-05-21T17:10:59-04:00

Full service dept to handle any possible future problems and 24 hr emergency service.

Do You Have A Warranty?2021-03-19T11:45:51-04:00

Click here to read more about our Everlast Warranty™.

Is Your Company Insured?2021-03-19T11:45:57-04:00

Insured and licenced with the state of CT and MA.

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