Service Area – Trusted Energy Solutions Across Southern Maine

Delivering Reliable Heating & Cooling Services Where You Live

For over three decades, Garthwaite Energy has proudly served the communities of Southern Maine, delivering fuel, HVAC services, and peace of mind to homeowners and businesses alike. Based in Wells, Maine, our locally owned company continues to grow, and so does our reach. If you're located in York County or nearby, there’s a good chance we already serve your neighborhood—or will soon.


Whether you're in need of heating oil, propane, diesel fuel, or air conditioning services, our technicians are on the road every day ensuring reliable delivery, professional installations, and 24/7 emergency support.

Not Sure if You’re in Our Service Zone? Give Us a Call.

If your location isn’t listed above, don’t hesitate to reach out. Our service map is always expanding, and we may already be scheduling deliveries or service visits in your area.


📞 Call us today at  (207) 646-6911 or use our Become a Customer form to check availability.

HVAC technician using gauges on an outdoor air conditioning unit to check pressure.
Person using a screwdriver to work on a water heater in a utility closet.
White tanker truck on a grassy roadside against a blue sky with clouds.
White tanker truck on highway, transporting goods.

What We Deliver to These Communities

Our full suite of residential and commercial services includes:

  • Heating Oil & Kerosene Delivery
  • Propane Delivery & Conversions
  • HVAC Installation, Repair & Maintenance
  • Emergency Fuel Services
  • On-Road & Off-Road Diesel Supply
  • Energy Consultations & System Upgrades

Our team is made up of seasoned professionals who know the unique heating and cooling challenges of Southern Maine. From coastal weather swings to inland winters, we’re here to help keep your home or business running smoothly and efficiently—year-round.

Why Southern Maine Residents Trust Garthwaite Energy

✅ Locally Owned & Operated Since Day One

✅ 24/7 Emergency Support

✅ Fair, Transparent Pricing

✅ Long-Standing Community Roots

✅ BBB A+ Rated Service Excellence

We’re not just working here—we live here. We know your neighborhoods, your seasons, and your expectations. That’s why so many families and businesses across Southern Maine continue to choose Garthwaite Energy year after year.

Let’s Get You on the Schedule

Ready to become a Garthwaite Energy customer? Reach out, and we’ll confirm service availability and walk you through the next steps.


📍 Office: 1810 Post Rd, Wells, ME
📞 Phone: (207) 646-6911
📧 Email: info@garthwaiteenergy.com

Red and silver tanker truck parked outdoors, near a building with palm trees.
HVAC technician in blue uniform, fixing a wall-mounted air conditioner.