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  • Allied is the area leader in the emerging geothermal energy field. We have extensive experience in geothermal loop installation for commercial projects as well as private homes.


  • We offer a broad scope of environmental and geotechnical services using cutting edge technologies.

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  • Take an inside look at a geothermal setup, drilling and clean-up.

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  • Allied Geothermal can help you get your project underway. Proudly serving our neighbors in Delaware, Maryland, Pennsylvania, Virginia, Washington DC & more.

  • A 30% tax credit for the installation of a ground source heat pump (geothermal system) with no cap is valid through 2016. Ask our professionals how you can take advantage of the credit.GO >>

  • We’ll help you figure out if geothermal is right for you.

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  • With over 85 full time geothermal installers and growing, Allied is always looking for great HVAC partners.

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  • We offer a broad scope of environmental and geotechnical services using cutting edge technologies.

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Geothermal 101

Heat with Dirt

Paying too much for Propane, Heating Oil, or Electric?
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Geo Photo Gallery

Installation Example

Take an inside look at a geothermal setup, drilling and clean-up.
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Service Area

PA, NJ, MD, VA, DC, DE

Check out our service area map, then schedule a quote.
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Is Geo for You?

We’ll help you figure if it makes sense for your family.
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Latest Articles From Our Geothermal Blog

  • Allied Featured in US Builders Review Magazine
    Allied Featured in US Builders Review Magazine
    US Builders Review is a nationally recognized trade publication who recently featured Allied Geothermal Well Drilling. The full article is available here. Raising the geothermal bar in the Northeast Written by: Tom Faunce | Produced by: Brandon Bagley Founded in 1994, Allied Geothermal Well drilling began as a small, […]...
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  • Allied Recognized for Impeccable Safety Record
    Allied Recognized for Impeccable Safety Record
    Maryland’s leader in workers’ compensation insurance, IWIF, recently honored Allied Well Drilling for its “superior workers’ compensation success.”   IWIF recognized Allied’s impeccable safety record is rare in the drilling industry. Allied attributes this strong record to the great effort it has put forth to ensure its […]...
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  • Allied Featured in Home Builders Association Publication
    Allied Featured in Home Builders Association Publication
    Andy Trewhitt, General Manager of Allied’s Pennsylvania office, recently wrote a piece on geothermal that was featured in the Home Builders Association of Bucks and Montgomery County (Pennsylvania) Reporter.  Here is the transcript of that article: Geothermal 101 Ground source heat pumps (GSHP’S) are “the most energy […]...
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Home Owner Testimonial

Wayne - Bethesda, MD

"Allied Well Drilling installed the outdoor portion of my geothermal system. They were in & out within the same day and cleaned up the drill area. We couldn't be happier with our geothermal installation."

Latest News

  • We've updated our websites to showcase everything Allied Well Drilling has to offer.

Contact Us

Baltimore, MD
Phone: 1-866-FIX-WELL