Advanced Service Air Conditioning & Heating, LLC

Advanced Service Air Conditioning & Heating, LLC operates as a full-service HVAC contractor serving residential and light commercial clients throughout Middletown, Maryland and surrounding communities. The company maintains a near-perfect 4.9-star rating compiled from 51 verified client reviews, reflecting consistent service quality. Operating hours span standard weekday shifts from 7 AM to 3 PM, with Saturday and Sunday reserved for emergency callback availability.

This contractor holds Lennox Network Dealer certification, granting access to premium heating and cooling equipment including the Lennox Ultimate Comfort System. Their service portfolio extends beyond traditional forced-air systems to include geothermal installations and mini-split configurations, representing a broader technical capability than typical residential-only contractors. Indoor air quality solutions encompass Lennox Healthy Climate components such as advanced filtration, ventilation systems, and humidity management equipment. Financing options provide flexible payment pathways for major equipment investments.

Customer accounts consistently highlight rapid response capabilities. During an extended cold spell, Sean Toms described receiving a technician at his residence within 30 minutes of calling, with the team diagnosing and repairing two worn components on-site. Peggy Poenisch detailed a contrasting experience where her oil furnace required only a line-bleeding procedure, work previous contractors had not attempted despite quoting $15,000 for full replacement. Brad Carbary noted that comparison bids from competing companies exceeded Advanced Service's pricing while producing inferior workmanship, characterizing his experience as exceptional.