HVAC Services in Annandale

Expert HVAC Repair, Installation, & Maintenance in Annandale, VA & the Surrounding Areas

Every community needs honest, reliable contractors. Air Treatment Heating and Air Conditioning has been filling that need in Annandale, VA since 1958. We have a great reputation with the Better Business Bureau and Angie’s List.

Our Annandale HVAC technicians average over 13 years of experience and are provided with additional training every year. Air Treatment Heating & Cooling is your local expert for all of your heating and air conditioning needs.

Annandale homeowners benefit from our services in several key ways::

• Local insight and compliance: We understand Fairfax County building codes and provide recommendations tailored for humidity and temperature changes unique to Annandale.
• System selection and sizing: Whether your property is older or newly constructed, we consider insulation, square footage, and evolving technology to ensure your HVAC system delivers maximum comfort and efficiency.
• Trusted reputation: As an established HVAC company Annandale residents rely on, we are committed to quality work and transparent service every step of the way.

Contact us online or give us a call at (703) 270-0881 for one of our many reliable heating & air conditioning services in Annandale & the surrounding areas today! Ask about our financing options!

Air Conditioning Repairs & Installations in Annandale, VA

When it comes to staying cool during the hot Annandale, VA summers, Air Treatment Heating & Cooling has you covered. Our air conditioning services ensure that your home remains comfortable and refreshing.

AC Repairs

Experiencing issues with your air conditioning system? Air Treatment Heating & Cooling is your solution for AC repairs in Annandale, VA. We are equipped to handle a wide range of AC problems, including refrigerant leaks, faulty compressors, electrical problems, frozen coils, and strange noises. Our experienced technicians will diagnose and resolve these issues promptly, restoring your home's cool oasis.

As a leading hvac contractor Annandale homeowners rely on, our prompt response times help minimize discomfort during unexpected breakdowns. Because the Annandale area can see sudden heat waves, particularly in July and August, our service vans are stocked to allow for most repairs to be completed on the first visit. This way, your home’s comfort can be restored with minimal disruption, and you can count on timely, courteous service every step of the way.

AC Installations

If you're in the market for a new AC system, look no further than Air Treatment Heating & Cooling for professional AC installations in Annandale, VA. Our experts will assess your cooling needs, help you choose the right, energy-efficient system, and ensure a precise installation. We also offer ductless mini-splits for homes without ductwork and can enhance your new AC system with a smart thermostat for added convenience and energy savings. With Air Treatment Heating & Cooling, you'll enjoy cool, efficient, and reliable air conditioning in your home.

What to Expect From a Full-Service HVAC Company

Choosing a full-service HVAC provider means you benefit from wide-ranging support for every season and need. At Air Treatment Heating & Cooling, we handle everything from system design and installation to long-term maintenance and emergency repairs, ensuring you have one reliable partner for all your home comfort needs in Annandale.

Our approach focuses on giving you clear, actionable information at each step, whether you are considering an upgrade or scheduling a straightforward repair. We help you evaluate energy-saving options, understand available system choices, and maintain compliance with specific Fairfax County building codes for heating and cooling equipment. Many homeowners appreciate the peace of mind that comes from knowing their equipment is up to local standards and ready for changing weather.

Consider the following when working with a reputable HVAC service Annandale provider::

• Evaluate current equipment age: Older systems may benefit from professional assessment to determine if a repair or replacement is best.
• Ask about indoor air quality solutions: Learn about options to improve comfort and health, especially for homes affected by regional pollen and humidity.
• Review maintenance schedules: Confirm frequency of filter changes and annual check-ups to maximize efficiency and avoid breakdowns.
• Understand your installation options: Discuss ducted and ductless systems, as well as smart thermostat compatibility for improved comfort and savings.

If you have questions about which solutions will best fit your Annandale home or want to better understand how weather patterns and zoning laws may affect HVAC choices, our team is ready to help with informed, friendly guidance.

How Often Should I Schedule HVAC Maintenance? 

Regular HVAC maintenance is crucial to ensure your system operates efficiently. We recommend scheduling maintenance at least once a year, ideally before the start of the heating or cooling season. This helps prevent unexpected breakdowns and ensures your system runs smoothly, saving you money on energy bills.

In the Annandale area, the unique combination of seasonal pollen and humidity can put extra strain on air conditioning systems, especially older units. Investing in routine maintenance with a HVAC company Annandale property owners prefer means that filters are changed, coils are cleaned, and your system stays compliant with local safety regulations. Many customers have noticed better indoor air quality and more reliable performance after regular maintenance visits, which is especially helpful for families sensitive to allergens or temperature fluctuations.

Heater Repair Services

When your heating system malfunctions, it can be a source of discomfort and concern. Air Treatment Heating & Cooling offers expert heating system repair services to address a variety of issues, including:

• Inadequate Heating: If your home isn't getting as warm as it should, we can diagnose and fix the problem to ensure even heating throughout your space.
• Pilot Light Issues: A malfunctioning pilot light can prevent your furnace from starting. Our technicians are skilled in troubleshooting and repairing these issues.
• Strange Noises: Unusual sounds coming from your heating system can be indicators of underlying problems. We'll identify the source of the noise and provide a solution.
• Ignition Problems: Furnaces with ignition issues may fail to start or frequently cycle on and off. Our team is proficient in resolving these issues efficiently.

Our goal is to get your heating system up and running as quickly as possible, providing you with the warmth you need during the winter season.

Sometimes heater issues require more than just a repair, and that's when a HVAC replacement Annandale homeowners trust becomes important. If your system is older, inefficient, or frequently breaking down, replacing it can provide more consistent warmth and lower energy bills. We walk you through options that align with current building standards in Fairfax County, ensuring your new unit is correctly sized and installed for long-term comfort. By replacing outdated equipment, you may also reduce your risk of emergency repairs during the harshest winter months.

Get Started With Air Treatment Heating & Cooling Today!

By choosing Air Treatment Heating & Cooling for your HVAC needs in Annandale, VA, you're selecting a team of professionals committed to providing reliable, efficient, and cost-effective solutions. We prioritize your comfort and satisfaction, and our expertise in HVAC services ensures your home's climate is always just right. Contact us today for all your heating and cooling needs.