Plumbing, Heating & Cooling Contractors

We  provide Mechanical System installations for commercial and residential  buildings. We have completed projects in schools, hospitals, retail  outlets, banks, food processing centers, federal & state buildings,  community centers, and water & sewer treatment plants, among others.  From design-build projects to plan and spec jobs as well as complete  renovations, we have you covered. Take a look at our project gallery and  experience our outstanding craftsmanship. 

Location & Hours


539 Main Street

Caribou, ME 04736

(207) 492 - 5921

Mon - Fri 7am - 4pm
Closed Satrudays and Sundays

Our Firm


We've  proudly been in business since 1948 and are now owned and operated by  the 4th generations of St. Peter sons. We are fully licensed and insured  to install plumbing, heating and cooling systems.

We are also very proud of our reputation for high-quality installations and strive to maintain our continued success.