We are Southern Maryland’s leading provider of heating oil, propane, and heating and cooling services. Ever since we opened our doors in 1926, we’ve enjoyed a reputation for great service that is unmatched in our area.

Today, we’re a full-service, home comfort provider, bringing our customers the finest heating and cooling systems available.

SMO delivers more for you with a sure supply of fuel, the largest fleet of delivery trucks in the region and experienced personnel to service your needs.

Nothing less than the best will do when it comes to your comfort and your home.