St Marys County

Advanced Service Experts is a locally owned and operated full service residential, business and commercial heating, air conditioning, and electrical contractor. We provide Southern Maryland’s St. Mary’s County with residential and commercial heating, air conditioning, HVAC, and electrical needs.

We can install and service your heating and cooling equipment, or provide electrical needs in your community in St. Mary’s County of: Leonardtown, Lexington Park, Charlotte Hall, California, Mechanicsville, Wildewood, Hughesville, Great, Mills or Hollywood.

We offer:

Gas and oil furnaces Humidifiers Radio dispatched trucks Service plans Senior discounts Heat pump, heating and air conditioning systems by Trane, Carrier & Lennox Filtration systems and humidifier systems Radio dispatched trucks

Water heaters Home heating, boilers & burner service FREE estimates Rebates Whole-home generators

Our Commercial systems are the leaders in business comfort innovation, including:

• Planned and emergency replacement services
  
• Highly efficient and advanced packaged rooftops, split systems, and controls
  
• Indoor air quality systems
  
• Fully insulated furnaces and unit heaters

Our Residential Electrical Work includes:

Ballast & Lamp replacement Landscape Lighting & Wiring Power & Temporary Service Electrical Wiring Service and Repair Specialty Receptacles Smoke Detector Installation and Repair Panel & Generators, Breakers & Transfer Ceiling Fan Wiring & Installation Bath & Kitchen Fans & Lights Room Accent & Recessed Lighting Surge Protection

CCTV & Cable Wiring Hot Tubs, Pools & Spas Wiring  Low Voltage Lighting                                              Lighting Protection Appliance Wiring - Washers & Dryers Lighting Protection Exhaust & Attic Fans                      Code Corrections Outlets & Switches Installed & Moved Indoor & Outdoor GFI

Our Commercial Electrical Work includes:

Tenant Build Out                        Base Buildings                           Preventive Maintenance            Parking Lot Lighting Code Violation Correction

Restaurants Service & Repair Panel & Sub-Panel Trouble Shooting Underground Cable Break Locator Security & Outdoor Lighting