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Southern Maryland Heating & Air, Inc. has been a prominent installation and service contractor for heating and cooling systems in the DC Metropolitan area for many years. Our loyalty and dedication to our Customers and building Partners ensures peace of mind in selecting Southern Maryland Heating & Air, Inc. for your HVAC requests.

Please contact us at one of our convenient locations to learn more about what products and services we have available.

Southern Maryland Heating & Air, Inc.
Headquarters Location
17 Irongate Drive
Waldorf, MD 20602
(301) 645-6928
contactus@somdha.com

Our Other Locations

Southern Maryland Heating & Air, Inc.
7689 Limestone Drive
Suite 135
Gainesville, VA 20155
(571) 261-2635
contactus@somdha.com

Southern Maryland Heating & Air, Inc.
10212 Governor Lane Boulevard
Unit 1003B
Williamsport, MD 21795
(240) 366-8261
contactus@somdha.com

We chose Southern Maryland HTG & Air due to their professional presentation of their product. They answered all of our questions. The installation went of flawless and the team worked hard to get everything installed. Once everything was installed they made sure we understood how to use the Display and answered all of our questions again.

Magnolia (Southern Maryland)