AG O'Brien Plumbing & Heating

06/18/2026

Big project completed. 💪
This 2,000-gallon holding tank is installed and ready to provide reliable wastewater storage for years to come. Quality workmanship from start to finish.

06/16/2026

Bringing year-round comfort, one mini split at a time.

06/11/2026

Another mini split in the books! ❄️🔥

06/09/2026

Steam out. Hot water in. 🔥

05/25/2026

Fresh Weil-McLain transplant complete 🔥
Cleaner, more efficient, and ready to heat.

05/22/2026

05/21/2026

New boiler install complete with cleaner piping, better performance, and dependable heat for years to come.

05/20/2026

05/14/2026

A new project in the works we are happy to be apart of!

A new apartment complex in Grand Marais is offering a potential solution to one of Cook County’s biggest challenges: a lack of housing for workers.

05/13/2026

New Navien boiler installs ✔️ High efficiency, reliable heat, and built to perform all season long.