Calvert Mechanical Solutions

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Claim This BusinessAbout Calvert Mechanical Solutions
Calvert Mechanical Solutions operates as a commercial-focused mechanical contractor serving the Baltimore County corridor from its Towson base. The company holds a 4.2-star average drawn from 22 client reviews, and its portfolio spans the major building trades of HVAC, plumbing, electrical, and building automation systems. Founded in 1986, Calvert has accumulated decades of field experience managing complex commercial construction projects and maintaining mechanical systems for facilities across the central Maryland region. The company maintains in-house mechanical engineering capabilities, allowing technicians to provide deeper diagnostic support rather than subcontracting engineering decisions to outside firms.
What distinguishes Calvert from regional competitors is the breadth of its single-source offering. Rather than calling separate contractors for each trade, commercial property managers can engage Calvert as an integrated mechanical contractor handling HVAC, plumbing, electrical, and building automation from a unified coordination point. Their fleet includes specialized equipment for video inspection, infrared thermography detection, high-pressure drain cleaning, gas leak detection, and mobile bucket trucks, enabling one-visit resolution for problems that would otherwise require multiple service providers. All service agreements are customized rather than template-based, reflecting their philosophy that one size does not fit all when it comes to facility maintenance.
Customer feedback reveals both strengths and cautionary notes. Reviewers routinely mention responsiveness and professionalism, with Jennifer praised for going above andbeyond on communication and follow-through. Technicians Chris and Casey earned recognition for their plumbing expertise on a commercial project. However, one client detailed a billing dispute arising from how Calvert calculates labor charges, it bills based on technician truck parking time plus documentation time rather than actual working hours, resulting in charges exceeding the described service duration. Homeowners considering Calvert should request written clarification on billing methodology before signing any service agreement.
What Customers Say
Fourteen of twenty-two reviewers awarded five stars, with recurring praise for technician professionalism and communication. Negative feedback centers on billing practices, specifically the company's method of calculating labor charges based on parking and documentation time rather than active service duration.
Working Hours
| Sunday | Closed |
| Monday | 7 AM–4:30 PM |
| Tuesday | 7 AM–4:30 PM |
| Wednesday | 7 AM–4:30 PM |
| Thursday | 7 AM–4:30 PM |
| FridayToday | 7 AM–4:30 PM |
| Saturday | Closed |
Services
Commercial HVAC Repair & Maintenance
24-hour emergency repair services for under-maintained or overworked heating and cooling systems, including seasonal maintenance programs.
Plumbing Service & Repair
Quick-response assessment, solution determination, and restoration to full operation for commercial plumbing systems.
Electrical System Repair
Master Electrician-led assessment, repair, and replacement services for commercial electrical infrastructure.
Building Automation Systems
Integration turning facilities into intelligent buildings with energy savings, occupant comfort, and safety monitoring.
Preventative Maintenance Contracts
Custom-tailored planned maintenance agreements designed around each facility's unique operational requirements.
New Commercial Construction
Full mechanical integration for new commercial builds, spanning HVAC, plumbing, electrical, and automation from design through occupancy.