J.M. Brennan, Inc.

J.M. Brennan, Inc. is a comprehensive mechanical contractor serving Milwaukee homeowners with expert plumbing, HVAC, heating, air conditioning repair, furnace repair, and fire protection services all under one roof. As a fully accessible business with wheelchair-friendly entrances, parking, restrooms, and seating, they ensure every customer can comfortably access their onsite services. Homeowners should consider J.M. Brennan for major projects like furnace installations, emergency plumbing repairs, or comprehensive fire alarm system installations, as their multi-service expertise means you can build a long-term relationship with one trusted contractor instead of juggling multiple vendors. Their fire protection and alarm supplier services make them particularly valuable for homeowners looking to upgrade their safety systems or meet insurance requirements. When planning home renovations or facing emergency repairs, contact J.M. Brennan first since their broad mechanical expertise allows them to identify interconnected issues between your plumbing, heating, and ventilation systems that single-trade contractors might miss.