Price Protection Plans

Locally owned and operated! Whether you’re looking to pre-buy or make payments through the year, we are happy to help!

Natural Gas Conversions

Once you determine that natural gas is available in your area, you need to pick a contractor to convert or replace your appliances.

Maine Heating Oil and Propane Delivery, Service, Repair, Installs

M. W. Sewall is a 4th generation family business serving Maine’s midcoast communities since 1887.  We are locally owned and have been operating a home heating oil and propane delivery company providing full service and installations for your heating and cooling needs.  We are located at 259 Front Street in Bath.

Propane Tanks

We are a full service energy company that serves our customers’ needs 24 hours a day/365 days a year.   We offer a variety of petroleum products to serve the needs of both our residential and commercial accounts.  Our products include Home Heating OilKerosenePropaneULSD Clear On Road DieselULSD Dyed Off Road DieselGasoline.

In 2006 we built a state of the art bulk plant on the New Meadows Road in West Bath.  We have a combined storage of 250,000  gallons to meet your needs and keep you warm throughout Maine’s coldest winters!   You can rest assured that when inventories get tight we will have the product for you when you need it!

We have our own in house service department that is available 24 hours a day/365 days a year so you can be comfortable knowing that we will be there (and not some subcontractor) when you need us. We offer service plans and installations for your service needs.  We offer many alternative products to help you become more efficient with your energy needs.   Check out our Preferred Products Gallery to see some new and exciting products! Call us today to see what we can do to help you save money!


Or better yet, come in and see us!

Fuel Oil Deliver Truck
Rinnai  System 2000  Viessmann  Trio  Bioheat