M.J. Mechanical Contracting LLC

M.J. Mechanical Contracting LLC operates as an HVAC contractor serving Baltimore and surrounding Maryland communities. The company holds a perfect 5.0 star rating across 6 client reviews, reflecting consistently positive outcomes for homeowners seeking heating and cooling solutions. Services include system repairs, new equipment installations, and mechanical maintenance.

The company distinguishes itself through competitive pricing transparency and responsive service delivery. Multiple reviewers mention receiving same-day or next-day response to service requests, with new HVAC installations completed in under 48 hours in emergency situations. The business also offers smart thermostat integration, allowing homeowners remote control of their systems via mobile applications.

Customers describe working with a technician identified as Greg, who has handled specialized installations including AprilAire whole-house humidifiers and complete system replacements. One reviewer noted receiving quotes from six different contractors before choosing M.J. Mechanical Contracting for the best pricing combination. Another client specifically mentioned the technician cleaned the job site thoroughly upon completion.