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Claim This BusinessMaryland Heating & Air has served Essex and the greater Baltimore metro area for more than 40 years, building a reputation on round-the-clock availability and licensed expertise. With 398 customer reviews averaging 4.9 stars, the company maintains an A+ rating with the Better Business Bureau and was named Best of Baltimore. The contractor offers residential and commercial heating, cooling, and ventilation services across Maryland and neighboring states, with technicians available 24 hours a day, seven days a week for emergency repairs.
What distinguishes this contractor from others in the region is the combination of manufacturer partnerships with major brands and a one-year labor warranty on all installations. The company operates as a full-service provider handling air conditioning, heating systems, inspections, and new equipment installation for both homes and businesses. Their Comfort Club membership program offers ongoing maintenance plans, and financing options through Payzer allow homeowners to manage unexpected repair costs.
Customer reviews frequently name specific technicians who handled difficult situations. Derek earned praise for repairing a boiler while treating the homeowner's space with care and explaining each step of the process. Gavin and Tyler installed a new hot water heater in just a few hours, walking the customer through every detail and ensuring comfort throughout. The company also received recognition for same-day emergency response during extreme weather, with customers noting the technicians' thoroughness in diagnosing root causes rather than applying temporary fixes.
Across 398 reviews, technicians Derek, Chris, Dan, and Austin receive repeated mentions for professionalism and clear communication. Positive reviews highlight diagnostic thoroughness and respectful home service, while the single 2-star review cites pricing concerns for a quick repair job. The overwhelming 5-star feedback emphasizes reliable same-day service and knowledgeable staff.
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| ThursdayToday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Seasonal tune-ups, diagnostics, and repairs for all AC brands to ensure summer cooling reliability in Maryland's humid climate.
Furnace and boiler repair, maintenance, and replacement to keep homes warm during Chesapeake Bay winters.
Full system installation with all major brands and a one-year labor warranty on workmanship.
Installation, maintenance, repair, and replacement of commercial heating, cooling, and ventilation systems for businesses.
Annual inspections by licensed technicians to prevent mid-season failures and extend equipment lifespan.
Residential water heater installation completed by trained technicians with careful attention to home protection.