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Tradition and history meets progressive technology. You can seamlessly manage your account, delivery schedule and much more right from our convenient mobile app. Download it on the Apple Store or Google Play.

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Heating Oil

Delivery and Service

We deliver BioHeat® and Kerosene. Our technicians are available to check all of your oil appliances as well.

Propane Gas

Delivery and Service

We've been providing exceptional propane gas service in New Hampshire and Maine for more than 80 years.

Heating and AC

Install and Service

At D.F. Richard Energy we sell and install all of the best major brands for your complete propane gas and oil energy needs.

Self-Cleaning No Maintenance Air Purification

D.F. Richard can help protect your home from mold, bacteria, viruses, and other pollutants with the iWave-R air purification system.

The iWave-R is a no-hassle, no-maintenance solution that can be installed right into your existing ducted HVAC system.

Learn More About The iWave-R
  • “It will be 50 years I have been with your company. Whenever I call with a question your customer service people are always courteous and helpful.”
  • “Technician was great, friendly , explained everything and showed me the results.”
  • “As always, quick response and good service!”
  • “All your techs are patient teachers. As a single woman with no knowledge of mechanical basement things, this is very helpful!!! (The men are also friendly but respectful).”
  • “Very satisfied. Recommended your company to several co-workers. Very professional.”
  • “D.F. Richard is always prompt, efficient, and fixes the issue quickly. Wouldn’t use anyone else!”
  • “Always accommodating to our needs. Very friendly and nice to the community.”
    Somersworth Fire Department
  • “We have relied on DFR for the past 30 years and have ALWAYS been impressed by your fast and efficient service. Thank you!”
  • “Great service and office team.”
  • “We were out of town when service was needed. We made an SOS call and service was performed expediently. We thank you so much for the excellent service. Your company is top notch.”
    Nina and John
  • “I don’t check 'excellent' without meaning it! I am very satisfied with all aspects of your work!”
  • “From the moment I met Dave Richard for the sale, to the scheduled time for install, and through the completion of work, I am exceptionally happy with all services. I was advised of scheduling and given status of work as it went on. I will highly recommend D.F. Richard for work.”
    Dan & Donna

Service Areas

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Best of the Seacoast

Come see why we have been voted "Best of the Seacoast" for three years running!

Warmer Weather Moves

There are many things you can do now that warmer weather has arrived to avoid problems and help yourself have a trouble-free summer. Here are a few suggestions.

  • Plan to leave access to fill pipes and propane tanks when doing landscaping or deck building
  • Schedule your A/C tune-up before the hot weather hits
  • Schedule your heating system tune-up or gas check before the next heating season begins
  • Planning on replacing your old heating system? Summer is the perfect time
  • Enroll in our budget plan for next season
  • Ask about our Service Protection Plans, peace of mind and cost savings are at your fingertips

Email: [email protected]
Phone: 1-603-742-2020
Mail: PO Box 669, Dover NH 03821-0669
Office: 124 Broadway, Dover NH 03820

We are open from 8am — 4pm weekdays.
24/7 Emergency: 1-800-649-6457