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Ireland Contracting Call (412) 492-7663
Replacement windows installed by Ireland Contracting

Get new windows in before winter. Now booking 2026 installs.

Pella & Marvin Replacement Windows, Installed by Our Own Pittsburgh Crews

Premium windows, expertly measured and fitted by a family-owned Pittsburgh installer since 1994. Free, no-obligation written estimate. Licensed PA #026195.

4.8/5 from 527+ reviews Β· BBB A+ Rated Β· Family-owned Β· 30+ years

Financing available. Ask about monthly payments on your estimate

Prefer to talk now? Call (412) 492-7663

Get your free estimate

No obligation. We'll reach out to schedule.

Window brands we install

Ireland Contracting is an independent installer, not a manufacturer showroom. We fit windows from several makers, so you get a straight comparison of what suits your home and budget rather than a pitch for one brand.

Pella windows

Pella

Pella replacement windows in wood, fiberglass, and vinyl, measured and fitted by our own crews.

Marvin windows

Marvin

Marvin replacement windows in wood and fiberglass, for insert and full-frame work, including custom sizes.

Andersen Certified Contractor badge

Andersen

Andersen Certified Contractor installing the 100 Series (Fibrex composite) and the wood-interior A-Series.

ProVia windows

ProVia

Vinyl replacement windows and entry doors, a common pick when budget and efficiency both matter.

Other manufacturers we work with

  • Owens Corning
  • James Hardie
  • TimberTech
  • Mastic Home Exteriors
  • Norandex
  • Everlast
  • VELUX

What Pittsburgh homeowners say

"Ireland Contracting just installed 14 new windows in our home, along with replacing the wood trim with Azek. Andy and his crew worked well together and were quick, efficient, kind, and respectful of our home. Highly recommend!"
Maureen S.
"I couldn't be happier with the customer service and support from Lora. The guys were incredible and did a fabulous job on my window installation. She listened to me, helped me schedule a time that worked with my schedule, and always followed through. Her expertise and kindness made this installation seamless."
Jennifer R.
"We had a roof replacement several years ago and five windows replaced this past year. Everything went as planned and we were very pleased with the results. We would use Ireland again!"
Barbara M.

How it works

  1. 1

    Request your estimate

  2. 2

    Free on-site visit

  3. 3

    Clear written estimate

Proudly serving the Greater Pittsburgh area and Western Pennsylvania. Flexible financing available. Ask about monthly payment options on your free estimate.

Choosing between Pella, Marvin, Andersen, and ProVia

All four are good windows. They're good at different things, and because we don't carry a quota on any one line, we can say so plainly.

ProVia (vinyl)
Built with SunShield vinyl for weatherability and color retention under UV and southern exposure. Meets or exceeds AAMA strength and color-retention standards, with a lifetime transferable warranty against chipping, cracking, peeling, and blistering.
Pella (wood-clad)
A wood window wrapped in EnduraClad aluminum: warmth on the inside, weather protection outside. EnduraGuard treatment protects the wood against moisture, decay, mold, and termites. Cladding is roll-formed on the Lifestyle Series or extruded on Reserve.
Marvin (wood)
Natural wood windows where customisability is the point, with exterior woods including pine, Douglas fir, and Honduran mahogany. The line to look at when the opening is unusual or the house demands a specific profile.
Andersen (composite and wood)
We're an Andersen Certified Contractor for two lines. The 100 Series is built from Fibrex composite, a step up from vinyl that takes dark colors inside and out. The A-Series pairs a solid wood interior with a low-maintenance exterior for architectural looks. Both carry Andersen's transferable Owner-to-Owner limited warranty, 20 years on the glass.

If you already know the brand you want, we'll fit it. If you don't, an hour with samples and your actual openings settles it faster than a week of reading spec sheets.

Ready for your free window estimate?

Call (412) 492-7663 Free estimate