HVAC Service in Alexandria, VA — Multi-Family, Residential, and New Construction

Multi-Family HVAC Coverage Across Alexandria's Key Neighborhoods

Alexandria's multi-family housing stock is unlike most of Northern Virginia. Older condo and apartment buildings in Old Town and Del Ray frequently run on Aqua-Therm air handlers and water source heat pump systems that most residential HVAC contractors have never worked on. When a property manager calls around after a system failure in a 1970s or 1980s building, they often hear the same answer: "We don't service that."

 

That's not our answer. ASG specializes in the legacy multi-family equipment common to Alexandria's older buildings — Aqua-Therm air handlers, water source heat pumps, rooftop units, and split systems across all configurations. We've built our multi-family practice around this equipment specifically because the demand is real and the qualified contractors are few.

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Contact Us Today

ASG is headquartered in Sterling, VA and serves the full Virginia side of the DMV — inside and outside the I-495 Beltway — along with Washington, DC and the Maryland suburbs. Alexandria sits at the center of our service footprint. Our team is on the road throughout the city regularly, and our fleet size means we can dispatch without the delays that come with a smaller operation.

 

Property managers, homeowners, and builders in Alexandria can reach us by phone at (703) 914-3601 or through our contact form to request service.

Licensed to Work in the City of Alexandria

We service multi-family properties throughout the city, including the neighborhoods and corridors where density is highest:

 

  • Old Town Alexandria — Historic condo buildings and apartment communities with legacy Aqua-Therm and WSHP systems
  • Del Ray — Mid-century and more recent multi-family stock requiring both legacy and modern system expertise
  • Route 1 Corridor — High-density residential development along Richmond Highway, including newer communities with rooftop and split systems
  • National Landing / Amazon HQ2 Zone — Active construction and newer multi-family builds requiring new construction HVAC coordination

 

Whether your building has equipment installed decades ago or systems put in last year, our team works on all makes and models without steering toward any particular brand.

Residential HVAC Service for Alexandria Homeowners

Alexandria homeowners dealing with a failed furnace, an air conditioner that won't keep up in August, or aging equipment due for replacement can reach us directly. We handle heating and cooling repair and replacement for single-family homes throughout the city, including indoor air quality upgrades and thermostat installation.

 

Our residential work carries the same standard as our commercial: licensed, insured, and dispatched from a real fleet — not a solo operator running one truck.

New Construction HVAC Near Reagan National and National Landing

The National Landing corridor and surrounding areas are among the most active new construction zones in the DC metro region. ASG supports general contractors and custom home builders with HVAC system design and installation for new builds, remodels, and additions. If you're managing a project in Alexandria and need an HVAC contractor who can coordinate on schedule and hold up through inspections, we're built for that work.

Common Questions About HVAC Service in Alexandria, VA

  • Does ASG service older Aqua-Therm systems in Alexandria apartment buildings?

    Yes. Aqua-Therm air handler service is one of our core multi-family specializations. Many older buildings in Old Town and Del Ray still run on these systems, and our team has hands-on experience with them — including repairs, component replacement, and full unit service.

  • Is ASG licensed to perform HVAC work in the City of Alexandria?

    Yes. We hold Virginia contractor licensing that covers the City of Alexandria, along with Maryland and DC licensing for our full service area. Alexandria's city licensing structure is separate from surrounding counties, and our credentials are current for city jurisdiction work.

  • How quickly can ASG respond to an HVAC emergency at an Alexandria property?

    We operate 24/7 and dispatch from a fleet of branded vehicles. Response times vary by call volume and location, but emergency availability is part of how we're structured — we don't leave property managers waiting through a weekend when tenants are without cooling or heat.

  • Does ASG handle HVAC for new construction projects in Alexandria?

    Yes. We work with general contractors and builders on custom home new construction, remodels, and additions throughout Alexandria and the broader DMV area. Our new construction HVAC services cover system design, installation, and inspection coordination.