Proudly Serving Maryland Since 1926

With almost a century of industry experience and serving generations of clients in southern Maryland, you can trust us to provide excellent customer service and HVAC solutions executed by highly qualified and trained industry experts. Throughout it all, we’ve maintained a longstanding reputation for integrity and excellence in everything we do. We have emergency dispatchers available 24/7/365, so we are always here when you need us.

About Us

A Total Comfort Provider

We deliver heating oil and propane across Southern Maryland, Prince George's and Anne Arundel Counties to both homes and businesses. From oil burning boiler repair to new air conditioner replacement, we can assist with all your HVAC repair, maintenance, and installation needs. With easy payment plans, 24/7 online account access, and over 90 years of experience that dates back to 1926, you can rely on SMO Energy. We began as a dedicated provider of kerosene, gasoline and motor oil. Over the years, we've expanded our business to meet customer demand. Now, we offer same-and next-day fuel delivery, as well as home heating & air conditioning repairs and installations, commercial fueling and more.

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SMO has been my heat and AC provider for more than 25 years. The service has been so good that when we replaced or furnace and AC units, I had SMO replace them. I say stick with what you can count on.

Servern, Customer Since 2008
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SMO is number 1! Anytime my heat is not working they are at my house within 2 hours... they do an outstanding Job! Would recommend them to anyone. Thanks for the great service!

Saint Leonard, Customer since 2013
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Rinard is an excellent technical support representative. He did a fine job and took his time to do the job right and cleaned up after himself with care. Your office personnel is cheerful, patient, most helpful and knowledgeable with style and grace. No matter if you are calling for the first time (good impression) or a seasoned client, each of them has the same attitude to get your question solved quickly and pleasantly. We are MOST THANKFUL.

Servern, Customer since 1969
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The driver left the delivery location in much better condition than when he found it because he picked up the garbage that some animal had dumped from my trash can the night before. The trash cans are right next to the oil tank, he could have just walked around it but he stopped to pick everything up and put it back in the can. For that I am very grateful, thank you.

Annapolis, Customer since 2008
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Since ‘day one’ approximately 30 years ago when we started doing business with SMO Energy, the service has been outstanding. Keep up the good work!

Annapolis, Customer since 1976
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I am writing to you to express my infinite appreciation for the abundantly overflowing service and guidance I received from Patty today! My father had a medical emergency, and as his primary caregiver, I needed assistance with the best way to handle his account today and moving forward. Patty answered ALL of my questions, and advised on things I had not thought to ask! She is a true model of what “Client Services EXCELLENCY” is all about! Something as simple as today’s interaction in my family’s time of need, due to unforeseen circumstances of life, made the “SUN SHINE BRIGHTER!

Upper Marlboro, Customer Since 1993
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What Sets Us Apart

24/7 Emergency Services

If you have an emergency, you can rely on one of our expert technicians to make a quick diagnosis and repair.

Live Client Care Reps

From 7 a.m. to 7 p.m., M-F, SMO has live representatives to help you schedule a delivery, service, or an energy consultation.

Certified Technicians

All of our technicians are NATE Certified and go through thousands of hours of training every year.

Transparent Pricing

There are no hidden delivery fees, regulatory fees, hazmat fees, or other hidden charges associated with our services.

Free Energy Consultations

Our consultants provide free in-home consultations & estimates, and work to find the right equipment at the best value.

Financing Options

SMO offers 0% financing or low monthly payment options for qualified clients and applicants, as well as other payment plans.

Energy Tips From The SMO Blog

How You Can Use Duct and Register Fans To Increase ...

November 24th 2020

As Douglas Trattner explains in an article for Houselogic, homes that frequently have cold spots during the winter or hot spots...

8 Home Insulation Tips

November 17th 2020

Are you spending a lot of money on heating but you find that your home isn't as warm as you want it to be? The problem may not be with...

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