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Alexandria: 703-461-6701
Manassas: 703-368-7855

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Residential Maintenance
Heating and cooling your home uses more energy than any other system in your home. Typically 44% of your utility bills go for heating and cooling. No matter what kind of heating, ventilation and air conditioning system you have in your home, you can save money and increase comfort by properly maintaining and upgrading your equipment. Let us give you the best information to help you make the best decision for your Heating and Air Conditioning needs.


 Service and Replacement
Our courteous technicians review their findings in plain English and offer tips on keeping your home and family healthy and comfortable. We fully warranty our workmanship, and employ a full-time customer service staff to insure your satisfaction. We hold a class A Virginia state contractors license and are fully bonded and insured. We are also active members of the Better Business Bureau and the Chamber of Commerce. Our objective is not to just change broken parts but take time to find out why the part broke!


planned maintenance is designed to save you money by keeping your heating and air conditioning at peak performance for more years with fewer problems! We inspect for potential safety and operational problems. The best way to maintain design performance is through scheduled maintenance and with our annual scheduled inspections. You can benefit in several ways with savings, value, comfort, safety and efficiency.


When the time does come to change out your equipment we will give you all the information you need as well as providing a Full 10 Year Warranty (PARTS & LABOR) on the eligible equipment we sell and install. Consult your A-Advantage representative for more information as well as a FREE ESTIMATE!


Indoor Air Quality
offers an array of products and services dealing with indoor air quality including electronic air cleaners, humidifier, ozone treatments, deodorizing, UV germicidal lights and whole house comprehensive duct cleaning and sanitizing. Let us help you breathe better and live more comfortably inside your home.


Duct Cleaning
Our duct cleaning and sanitizing is the most comprehensive in the business and we follow all guidelines set forth by the EPA and the NADCAA. Best of all our Duct Cleaning work is 100% satisfaction guaranteed!


Commercial Services
is involved with several business and building contractors. We can ins tall and service virtually all types of new commercial heating and cooling equipment ranging in size from individual office condos to complete office buildings. In addition, we specialize in mini split heating and cooling products for computer server rooms. Our experienced commercial evaluators can provide energy forecasts and suggest system upgrades to meet changing business needs.