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Garthwaite Energy is the most experienced and best heating oil and propane supplier serving Southern Coastal Maine. Whether you live in Maine year-round or part-time, you will have peace of mind knowing that you can count on us for safe, reliable service and delivery for your home or business.

We are a community based, hometown company offering you a neighborly touch. We have grown up here, we are raising our families here and we live here. We are proud to know our neighbors and we treat them as family.

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