AVS Heating & Air Conditioning | Best HVAC Repair in Vienna, VA

Yes, heat pump reversing valve issues are a frequent service call we handle in Vienna's climate. This valve is crucial for changing the refrigerant flow between heating and cooling modes. When it fails, your system may blow cool air when you need heat, or vice versa. Our technicians, with an average of 10 years of experience, are highly familiar with diagnosing and repairing this specific component to restore your system's proper function efficiently.

Absolutely. We provide 24/7 emergency service for all the appliances we repair, including refrigerators, water heaters, and HVAC systems. Our office is always open, and we dispatch technicians on weekends, long weekends, and major holidays at no extra charge. With Master HVAC and contractor licenses, plus specific appliance repair licenses, you can trust our experienced team to handle your urgent repair needs safely and professionally.

Our HVAC maintenance service is a thorough inspection and tune-up designed to improve system efficiency, prevent breakdowns, and extend the lifespan of your equipment. For Vienna homes, this is especially important for catching common local issues like air handler fan wear before they lead to a complete failure. The service includes cleaning key components, checking refrigerant levels, testing electrical connections, and ensuring your system operates safely and at peak performance, which can help manage energy costs.