Welcome to SMO

It is with great pleasure and much excitement that we introduce you to the new look of SMO!

SMO technicians are certified by North American Technician Excellence (NATE)

Many of our clients only know SMO Energy as a heating oil company, but over the last few decades we’ve grown to include propane and a variety of HVAC heating and cooling comfort systems. We service and install air conditioners, heat pumps, furnaces, boilers, backup generators & more. We continue to bring our clients the very best in green technology for home comfort – offering the most efficient equipment and fuels available. Our service technicians are NATE certified. Serving Southern Maryland, Annapolis, Since 1926.