Modern HVAC & plumbing technologies have their challenges
CMSL provides organized and intelligent mechanical installations
to meet those challenges

A different kind of mechanical & plumbing contractor, a different result.

If you’re in the market for a full service Mechanical or Plumbing Contractor for a Multi Family project (Concrete or Woodframe), Seniors Care Home, Office/Commercial building or Green LEED’s project, and you need a contractor who more than understands modern mechanical technologies, but also understands their responsibilities as part of an overall construction team to ensure on time and on budget installations, then we would like to be your contractor. Welcome to Connelly Mechanical Systems Ltd.