Air Conditioning

of Virginia

System Design and Installation

Specializing in multi-family residential & commercial properties



We are a fully licensed, insured, bonded & certified new-construction mechanical contractor in Sterling, Virginia.



We keep a large team of experienced workers to maintain our ability to manage the largest of projects throughout the DC Metro area.

Decades of successfully completed projects

Located in Sterling, Virginia for over 30 years, our service has been enjoyed by many. We’re a leading mechanical contractor known for professional system design and installation throughout Virginia, DC and Maryland.

With thousands of projects completed and multiple projects always ongoing, we are well known as leaders within our industry. You can build anything from a garden style to a high-rise community and we can assist.

We’ve Been Designing + Installing HVAC & Plumbing Systems since the 1990’s

About Us

Our team is a fully licensed, insured, certified & bonded mechanical contractor serving the DC Metro area.  We stand ready to design and install HVAC / plumbing systems throughout DC, NOVA & Central MD.  Focused on high-density residential & commercial properties, we are experts in our field.

System Design

Having our professionals design the HVAC and plumbing systems for high-density residential and commercial properties is of utmost importance for several reasons:

System Efficiency

Professional designers have the expertise to assess the specific requirements of high-density properties, considering factors such as occupancy levels, space utilization, and load demands. They can design systems that are tailored to the unique needs of the property, optimizing energy efficiency and reducing operational costs. Well-designed HVAC and plumbing systems can ensure precise temperature control, efficient water usage, and effective distribution, resulting in lower utility bills and sustainable operation.

Occupant Comfort

In high-density properties, there is a significant concentration of people occupying the space. A professional design accounts for factors such as air circulation, temperature control, and indoor air quality to ensure optimal comfort for the occupants. Proper ventilation, humidity control, and effective noise reduction strategies contribute to a pleasant living or working environment, enhancing productivity, well-being, and tenant satisfaction.

Code Compliance

High-density residential and commercial properties must adhere to building codes, regulations, and safety standards. Professional designers are well-versed in these requirements and can design systems that comply with the necessary guidelines. Compliance ensures the safety, health, and well-being of the occupants and protects the property owner from potential legal liabilities.

System Integration

High-density properties often have complex infrastructures, including multiple floors, interconnected spaces, and diverse functional areas. Professional designers can integrate the HVAC and plumbing systems seamlessly with other building systems, such as electrical, fire protection, and structural components. Integration ensures optimal performance, minimizes conflicts, and facilitates efficient construction and future maintenance.

Durability & Maintenance:

High-density properties typically experience heavy usage, placing additional strain on the HVAC and plumbing systems. Professional designers consider the long-term durability and maintenance requirements of these systems, selecting appropriate equipment, materials, and installation techniques. Well-designed systems are easier to access for maintenance, have a longer lifespan, and require fewer repairs, reducing downtime and minimizing disruptions to occupants.

Sustainable Design

As environmental concerns grow, high-density properties must prioritize sustainability and energy efficiency. Professional designers are knowledgeable about the latest sustainable design practices, including energy-efficient equipment, renewable energy integration, water-saving measures, and green building certifications. By incorporating sustainable features into the HVAC and plumbing systems, they contribute to reducing the property’s carbon footprint and enhancing its market value.

Project Management & Coordination

Designing HVAC and plumbing systems for high-density properties requires effective project management and coordination with various stakeholders, including architects, engineers, contractors, and suppliers. Professionals with experience in such projects can efficiently manage the design and installation process, ensuring seamless collaboration, timely completion, and adherence to budgetary constraints.

  • Air Conditioning Systems
  • Cooling Tower Systems
  • Ductwork Systems
  • Geothermal Systems
  • Heat Pump Systems
  • Plumbing Systems
  • Rooftop Systems
  • Engineered Drawings
  • Shop Drawings
  • Sleeve Drawings
  • VRF Design
  • VRV Design
  • WSHP Design

Investing in professional expertise from the beginning not only enhances the overall performance and functionality of the property but also contributes to long-term cost savings, occupant satisfaction, and environmental responsibility.


Having our professionals install the HVAC and plumbing systems for high-density residential and commercial properties is equally crucial for several reasons:

Expertise & Experience

Professional installers possess the necessary knowledge, skills, and experience to handle complex HVAC and plumbing installations in high-density properties. They are trained in industry best practices, codes, and regulations, ensuring that the systems are installed correctly and comply with all safety standards. Their expertise helps prevent installation errors, reduce potential risks, and ensure the longevity and reliability of the systems.

System Performance

Proper installation is key to achieving optimal performance from HVAC and plumbing systems. Professionals understand the intricacies of system components, such as equipment selection, ductwork design, piping layout, and control system integration. They can accurately install and calibrate the equipment, ensuring efficient operation, balanced airflow, and proper water flow. Well-installed systems deliver the expected performance, maximizing energy efficiency, occupant comfort, and system lifespan.

Safety & Compliance:

HVAC and plumbing systems must meet stringent safety requirements to protect the occupants and the property. Professional installers are well-versed in local building codes and regulations, ensuring that the installations adhere to the necessary standards. This includes proper ventilation, fire protection measures, backflow prevention, and adherence to gas and electrical safety guidelines. Compliance with safety regulations reduces the risk of accidents, property damage, and legal liabilities.

Quality Assurance

Professional installers are accountable for their workmanship and take pride in delivering high-quality installations. They follow industry standards and manufacturer specifications, using the appropriate tools, materials, and techniques. Their attention to detail ensures that all connections, joints, and fittings are secure and leak-free. By focusing on quality assurance, professionals minimize the likelihood of system failures, water damage, and costly repairs.

Efficient Project Management

The installation of HVAC and plumbing systems in high-density properties requires coordination with multiple trades, including architects, engineers, contractors, and suppliers. Professional installers have experience in managing such projects, ensuring seamless collaboration, timely completion, and effective communication. Their project management skills help streamline the installation process, mitigate potential delays, and maintain overall project efficiency.

Warranty Protection

HVAC and plumbing equipment often come with manufacturer warranties. However, these warranties typically require professional installation for them to remain valid. By hiring professionals for the installation, property owners can ensure that they have warranty protection and access to support in case of any equipment issues or failures.

Post-Installation Support

Professional installers provide post-installation support, including system testing, commissioning, and user training. They ensure that the HVAC and plumbing systems operate as intended and educate property owners or facility managers on system operation, maintenance requirements, and troubleshooting. Their support enables smooth handover and helps the property owners or managers effectively manage and maintain the systems.


Through more than 30 years in the industry, Advantage Air Conditioning of Virginia has successfully managed thousands of HVAC and plumbing projects for our clients throughout the DC Metro area.

These here are just a few of our exciting projects currently underway in DC and Northern Virginia, click any marker to learn more.

811 3rd Street NW, DC

624 N. Glebe Road, Arlington

925 S. Glebe Road, Arlington

2250 Dock Lane, Alexandria


Phone: 703-406-9845



Business Hours:

  • Monday 7am-4pm
  • Tuesday 7am-4pm
  • Wednesday 7am-4pm
  • Thursday 7am-4pm
  • Friday 7am-4pm