
Heating Oil
Delivery and ServiceWe deliver BioHeat® and Kerosene. Our technicians are available to check all of your oil appliances as well.
Propane Gas
Delivery and ServiceWe've been providing exceptional propane gas service in New Hampshire and Maine for more than 80 years.
Heating and AC
Install and ServiceAt 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
Service Areas
Enter your zip code to find out if we service your area
Winter will be here soon!
Cold weather is coming. There‘s no stopping it, so get your home ready today while it‘s still warm enough to give you time to prepare.
Here‘s what you can do:
- Install a wireless thermostat and control your home comfort from anywhere. No longer wait until you get home to find out you have no heat. With a wireless thermostat, you can check your heat setting from anywhere. If you see a drop in temperature you know it is time to place a service call.
- Stay connected with our mobile app.
- Schedule your heating system tune-up or gas check
- Have basebard heat and pets? Hair can collect on top of the fins. Remove the front of your baseboards and vacuum.
- If your heating system refuses start on the first try, make sure the emergency switch is in the on position. Still not starting, hit the reset button on your heating system. It can take up to 2-3 minutes for it to start. Still nothing happened, do not press again, place a service call.
- Ask about our Service Protection Plans, peace of mind and cost savings are at your fingertips.
- Clear all debris from around your heating system so it is easily accessible and there is no air flow restriction.
- If you are traveling during the winter months, please make sure that your driveway is kept cleared and there is a path to the front door.
- Clear all debris from around your fuel tank, fill pipe or propane gas tank.


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 — 4:30pm weekdays.
24/7 Emergency: 1-800-649-6457