A-Advantage

A-Advantage Heating & Air Conditioning has offices in Alexandria and Manassas and says it serves over 20,000 homeowners and local businesses under a Customer for Life approach. It installs and repairs air conditioners, furnaces and boilers, works on all makes, and also installs whole-house standby generators and comfort enhancements. For commercial clients it specializes in mini-split heating and cooling for computer server rooms. Technicians are available 24 hours a day for cooling problems, and a maintenance program with service contracts is offered. A customer review on the page describes a same-day visit and a repair covered under warranty. Savings offers are posted. The company holds a Class A Virginia contractor license and is bonded and insured. Rated 4.5 from 29 Google reviews, 24 of them five stars and 3 one star.