Since opening our doors in 1926, SMO has been an industry leader with same day/next day heating fuel delivery service, and certified technicians for your HVAC service, maintenance, and replacement needs.

SMO is available 24/7 for emergency service. Serving all of Southern Maryland including:

• St Mary's,
• Anne Arundel
• Prince George's
• Charles
• Calvert Counties
• and Annapolis