24/7 Emergency Service

Heating system service

For Emergency Service Call:

(207) 442-7994; Toll Free: (800) 540-7994

When you make M.W. Sewall your fuel delivery supplier your current service and scheduled maintenance needs, will continue be our highest priority. As a full-service customer you’ll rest easy knowing that in the event of an emergency, 24/7 access to our team of dedicated, professional technicians is guaranteed!


Do you smell propane?

If you smell propane in the house, leave the house, shut off the tank and call our service department immediately at (207) 442-7994


Proper Maintenance is Important

Regular maintenance of your heating system can help:

  1. Lower the risk of costly service calls
  2. Increase efficiency, which will save on fuel
  3. Prolong the life of your heating unit