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The contractor demonstrates strong diagnostic capabilities and responsive service, with technicians arriving within 30 minutes during emergencies, identifying worn components and system issues that other companies missed, and providing reasonable pricing on both parts and labor. Installation quality and system performance are consistently reliable, with a commercial heat pump system installed in 2022 still operating without issues and repaired systems running better than they had in years, though the company charges service call fees even when unable to service certain equipment makes and models.
Based on Google reviews
About the Contractor
Advanced Service Air Conditioning & Heating, LLC has served Middletown, Maryland and Frederick County since 1991 with HVAC installation, repair, and maintenance for residential customers. The company is a Lennox Network Dealer and offers geothermal heat pump installation and service alongside conventional heating and cooling systems. Advanced Service designs geothermal systems suited to individual property conditions, including soil composition and available land area, and handles complete ground-source heat pump projects as well as standard furnace, heat pump, and air conditioning work. Operating from 1929 Mountain Church Road, the company has built a regional reputation for quality work at reasonable prices over more than three decades in the Frederick County market.
Verified active operator per https://advancedservicehvac.com/ + BBB profile (bbb.org/us/md/middletown) (Bundle 4 audit 2026-05-28)
Specializes in WaterFurnace geothermal systems with custom design considering soil composition and property-specific heating/cooling demands throughout Frederick County.
Service Details
schedule
Years in Business
35 years
factory
Brands Installed
Regulatory Context
Geothermal Permitting in Maryland
Geothermal heat pump installations in Maryland require specific permits and compliance with state regulations regarding well drilling, loop installation, and refrigerant handling. Contact your local building department for specific requirements in your area.
What geothermal equipment does Advanced Service Air Conditioning & Heating install in Middletown?add
Advanced Service specializes in installing WaterFurnace geothermal equipment, known for durability and efficiency in moderate Atlantic climates.
How does Advanced Service design geothermal systems for Middletown homes?add
The company designs geothermal systems tailored to individual property characteristics, considering factors such as soil composition, available space, and heating/cooling demands.
What services does Advanced Service Air Conditioning & Heating provide beyond installation?add
Beyond system design and installation, Advanced Service provides ongoing maintenance and support to ensure reliable, cost-effective geothermal heating and cooling for Middletown-area homeowners.
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If you need to reach Advanced Service Air Conditioning & Heating, LLC directly: (301) 371-8807
Geothermal heat pump installations in Maryland may require drilling permits, environmental site assessments, and compliance with local well and thermal energy regulations. Requirements vary by jurisdiction and system type (vertical, horizontal, open-loop). Contact your local municipality, state energy office, or a licensed geothermal installer for specific permitting requirements in your area.
