Preventive Maintenance, Repairs, and Emergency Service
J.M. Brennan is a single-source mechanical contractor for design, build, and most importantly – service. Our 40 service technicians have the knowledge and experience to handle a full range of HVAC, plumbing, and fire protection problems.
On-Site Maintenance
J.M. Brennan can provide experts working full-time at your building.
Equipment Replacement
Factory-trained service technicians install quality products and parts.
Preventive Maintenance
Regular inspections keep systems up and running.
24/7 Emergency Service
Real people dispatch emergency repair crews 24/7.