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Claim This BusinessAbout JJ HEATING & COOLING COMPANY
JJ HEATING & COOLING COMPANY serves Baltimore and the surrounding Maryland communities as a residential HVAC contractor. With 116 customer reviews contributing to a 4.8-star average rating, the company has built a reputation for responsive service in the Baltimore metro area. The business handles heating and cooling system repairs, maintenance, and installations for homeowners throughout the region.
Technicians at this contractor consistently receive recognition for their diagnostic skill and communication style. Multiple reviewers describe experiences where the team identified problems that other contractors missed, and staff members take time to explain issues in terms homeowners understand. The company maintains availability for urgent situations, with one reviewer noting same-day response during a heating emergency.
Edgar, a technician with the company, appears frequently in positive reviews for his technical ability and professionalism. He arrived nearly two hours early for one scheduled visit and quickly diagnosed a heating failure after a winter storm. Another reviewer noted he went above and beyond preparing a new system's efficiency ahead of colder months. For a first-time condo owner in an older building, Edgar troubleshooted persistent condensation issues that had persisted under previous service providers.
What Customers Say
Five of six detailed reviews award five stars, praising same-day response, diagnostic skill, and technician courtesy. The single one-star review cites a missed duct cleaning appointment and communication gaps rather than technical competency.
Services
Heating System Repair
Diagnoses and repairs furnace and heating system failures, including emergency same-day service.
Cooling System Repair
AC and cooling system diagnostics, repair, and optimization for summer readiness.
System Maintenance
Seasonal tune-ups,Cleaning, and performance optimization for heating and cooling equipment.
Outdoor Unit Servicing
Condenser cleaning, debris removal, and outdoor HVAC component maintenance.
New System Installation
Equipment installation and setup for newly constructed or replacement HVAC systems.
Troubleshooting & Diagnostics
Identifying issues in older or problematic systems that previous technicians could not resolve.