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Shannahan receives mixed reviews regarding reliability and service quality, with many customers praising technician knowledge, prompt response times, and completion of work, while others report unresolved issues including multiple service visits without fixes, poor follow-up communication, and inadequate initial recommendations for water treatment solutions. Long-term customers consistently report satisfaction with the company's responsiveness and technician professionalism, whereas some newer customers experienced concerns about system performance, chemical handling practices, and the need for additional repairs after initial installations.
Based on Google reviews
About the Contractor
Shannahan Artesian Well Company is a geothermal and water well contractor serving Maryland's Eastern Shore and the broader Delmarva Peninsula since 1883. Based in Easton and licensed in Maryland, Delaware, and Virginia, the family-founded company handles the full range of well services: domestic, irrigation, commercial, and industrial water wells, as well as geothermal heat pump systems. They work directly with HVAC contractors to size and install ground-source heat pump systems for each property. The company also offers core drilling for building penetrations and uses clean-site drilling practices to protect landscaping and property aesthetics. With more than 140 years of operating history across the Delmarva region, Shannahan maintains full licensing and bonding in all three states, offers free estimates and financing for qualified installations, and provides 24/7 emergency service.
Licensed and bonded geothermal contractor serving Maryland, Delaware, and Virginia since 1883 with certified system designers who calculate proper tonnage and vertical loop configurations for optimal efficiency.
Service Details
schedule
Years in Business
143 years
precision_manufacturing
Boring Methods
Vertical
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Financing
Available
emergency
Emergency Service
24/7 Available
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24/7 Emergency
Business Hours
Mon8a-4:30p
Tue8a-4:30p
Wed8a-4:30p
Thu8a-4:30p
Fri8a-4:30p
SatClosed
SunClosed
Service Area
Serves 2 areas across Maryland
EastonMiddleton
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.
Shannahan Artesian Well Company specializes in vertical loop geothermal systems. Their certified system designers calculate proper tonnage and loop configurations for optimal performance, working directly with HVAC contractors to engineer efficient systems tailored to each property's needs.
Yes. Shannahan Artesian Well Company is licensed, insured, and bonded in Maryland, Delaware, and Virginia. They serve the Eastern Shore and broader Delmarva region from their Easton base.
Shannahan Artesian Well Company can help set up financing for geothermal energy systems and offers flexible financing options for qualified installations. They provide free estimates to help you understand project costs.
Yes. In addition to geothermal loop field design and installation, Shannahan offers core drilling services for building penetrations up to 36 inches thick and clean site drilling options to minimize yard damage during geothermal installation.
Yes. Shannahan Artesian Well Company provides 24/7 emergency service availability, and service contracts are available to customers in the region.
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If you need to reach Shannahan Artesian Well Co directly: (410) 745-5071
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.
