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New Air Conditioning unit as low as $124.99 per month!

While supplies last!!!

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Standby Generators

Standby Generators

When weather strikes...be prepared. Let SMO back you up!

SMO now offers complete standby generator services!

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We’re Hiring

We’re Hiring

Be a part of our history.

• SMO named a top 10 employer in Charles County.

• The Wills Group, Inc., SMO’s parent company, named one of the Washington Post's Top 150 private employers in the metro region

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Special Offers

For a Limited Time: Double Rebates on Heating & Cooling Equipment!

New A/C installed for $124.99 per month!

JOIN THE FIGHT TO SAVE LIVES

The American Cancer Society and SMO are partnering to save lives. Click this banner to learn more!