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24 Hour Air Conditioning Services in Northern VA

Need air conditioning services in Northern Virginia? If your AC is making weird noises, is older than 10 years, or just isn’t cooling your house evenly, you need the expert air conditioning services of HVAC Unlimited.

You can count on us for air conditioning installation, repair and replacement for all major AC unit brands. Whatever the problem, we know how to fix it, and you can bet you’ll be happy with our work. We provide the following services to residents in Northern Virginia:

As a Carrier Factory Authorized Dealer, the experts at HVAC Unlimited can provide not only top-tier service, but the best air conditioning products and systems in the business. Carrier is an industry-leading manufacturer that we are always proud to bring to our Northern Virginia clients.

Did you know…

Air conditioning services doesn’t just include repair and installation. Would you ignore a smoking engine in your car? Just like with automobiles, ignoring your air conditioning problems will only result on more costly repairs—or even a whole system replacement—later. How do you fix that? With air conditioning maintenance!

We know that happy customers are return customers, which is why we strive to save you as much money as possible. That’s why we encourage you to get problems with your air conditioning unit checked out as soon as possible. You can contact us day or night, and we’ll be there for you!

Air Conditioning Installation & Replacement

At HVAC Unlimited, we offer a full array of air conditioning installation services, including heat pump and central AC unit installation for homes and businesses in  Northern VA  and the surrounding areas. Old systems usually give warning that they are in need of repair or replacement. Some signs you need a new air conditioner include:

  • Your air conditioner is coming to the end of its life. There are some things you can do to extend the life of your AC unit, but if your unit is more than 15 years old you should have it inspected and possibly replaced.
  • Your energy bills keep rising.New air conditioners are far more efficient than older models and can help you save money on your energy bills.
  • You need repairs more than once a year. Even the most reliable air conditioning unit will need repairs every once in a while, but if you’ve got us on speed dial, it’s time to bite the bullet and get a new one.
  • Your air quality is decreasing. Are you sneezing more? There may be mildew, mold, or other allergens stuck to your AC unit. If changing the filters doesn’t help, you need a new one.
  • Your family is expanding. One of the questions we will ask you is how many people live in your home. The more people, the harder an air conditioning unit has to work to keep everybody comfortable.

We will be happy to schedule an in-home consultation to discuss your options for AC installation and other air conditioning services. For instance, your existing duct system may be insufficient to handle the additional airflow that new blowers can deliver, or you may need an upgraded electrical supply. There are a variety of aspects that need to be examined when undergoing an installation or replacement.

Air Conditioning Repairs

Need air conditioning repairs? Even the most reliable, expertly installed air conditioner will need repairs every once in a while, and we’re here for you when yours breaks down. HVAC Unlimited can diagnose and fix any brand no matter the age or model. Commercial and residential systems offer different situations and challenges, but we are experienced in both areas. Some common causes of an air conditioner breaking down include:

  • Lack of proper maintenance
  • Refrigerant leak
  • Dirty filters
  • Dirty coils
  • Overworking it
  • Old system
  • Overheating
  • Freezing up
  • Motor malfunctions

If you suspect any of the following problems, call us immediately! Our diagnosis will include recommendations for repairing or replacing your existing system with a new heat pump or air conditioning unit. Our professional consultants are trained to offer you a detailed investigation and a custom proposal based on your particular needs.

How do I know if the cooling load for my air conditioner was calculated correctly?

Cutting-Edge Technology for Air Conditioning Services

Modern HVAC systems offer advanced options that increase efficiency and provide better comfort control. These types of systems are light years beyond older equipment. Dual-stage capacities and variable speed fans allow for far more flexibility in operation and allow you to customize your environment like never before. It is possible to program systems remotely from your laptop or smart phone, and zoning options allow you to independently control room temperatures. These are amazing upgrades, but they require installers trained in the latest developments. We are capable of installing or repairing the most technologically advanced equipment available today.

HVAC Unlimited: Northern Virginia’s Favorite Air Conditioning Contractors

Why choose us?

  • We use technicians trained in the latest techniques. Major repairs can be costly, so you want to find someone you can trust.
  • We will give you an honest appraisal and always try to find the least expensive method to fix your problem.
  • We give priority to those whose air conditioners or heat pumps have failed and are without cool air.
  • We are well connected with all local and regional HVAC distributors and can use this network to find parts quickly.

It can be miserable to be without heating and cooling, so we do our best to get you up and running quickly. Contact us today for services in Northern Virginia!

HVAC Unlimited Service Areas

We serve areas throughout Northern Virginia, including Aldie, Alexandria, Annandale, Arlington, Ashburn, Bailey’s, Brambleton, Bristow, Burke, Centreville, Chantilly, Clifton, Fairfax, Fairfax Station, Falls Church, Fort Belvoir, Franconia, Gainesville, Great Falls, Haymarket, Herndon, Leesburg, Lorton, Manassas, Mclean, Mount Vernon, Oak Hill, Oakton, Purcellville, Reston, South Riding, Springfield, Stafford, Sterling, Tysons Corner, Vienna, West Springfield, and Woodbridge.

Contact us online now or give us a call us at 703-493-1200 to schedule a service! 

You may also be interested in: Why is my AC unit so noisy?

Local Reviews
for Northern Virginia

Rated 5.0 out of 5 stars based on 554 customer reviews

Map of McLean, VA

Perfect!




I really recommend HVAC, great job!


Map of Alexandria, VA

Punctual and Efficient




Jermaine completed the inspection and maintenance of our HVAC units efficiently and thoroughly. Very professional.


Map of Alexandria, VA

Good, fast service!




Friendly & helpful service.


Map of Lorton, VA

Quick response with great service!




Jermaine arrived shortly after our call. He was polite and exhibited a positive disposition. His mannerism is great and we'd prefer his service for our next call.


Map of Arlington, VA

Very reliable service




Easy to schedule an appointment; On Time, Efficient, Friendly, Neat and Professional. Need I say more.


Map of Lorton, VA

Informative





Map of Fairfax, VA

Exemplary Technician




Jeremy was completely thorough when servicing my unit that had stop heating. He explained every step and it's cost as he went along. I have used several service companies and never been this pleased. I will definitely use HVAC for every call in the future!


Map of Alexandria, VA

Great service




Very efficient


Map of Falls Church, VA

Amazing service




Jermaine was awesome! He arrived when he said he would, and kept troubleshooting until the issue was solved! Can’t thank him enough!


Map of Alexandria, VA

Great service; fantastic tech




Jermaine was prompt, professional, courteous and extremely knowledgeable. Best HVAC service we've had in VA.


Jeremy G.

Jeremy G.

Heating inspection

Near Halstead II Ln, Fairfax, VA 22031
Jeremy G.

Jeremy G.

Heating inspection

Near Prosperity Ave, Fairfax, VA 22031
Erwin V.

Erwin V.

Replacing pressure switches high efficiency gas furnace.

Near McConvey Pl, Falls Church, VA 22043
Jermaine A.

Jermaine A.

No Hot Water

Near Divine St, McLean, VA 22101
Jermaine A.

Jermaine A.

Replace Warranty Blower Motor

Near Osprey Point Ln, Alexandria, VA 22315
Jermaine A.

Jermaine A.

Heat Inspection

Near VA-648, Alexandria, VA 22304
Jermaine A.

Jermaine A.

No Heat

Near Hickory St, Alexandria, VA 22305
Jermaine A.

Jermaine A.

No Heat

Near Hooes Rd, Lorton, VA 22079
William C.

William C.

Install new airhandler with 8kw heater pack and drain pan with float switch.

Near Lorton Market St, Lorton, VA 22079
Andre M.

Andre M.

No heat , quoted for repair and replacement

Near Aspenpark Rd, Lorton, VA 22079
Jermaine A.

Jermaine A.

Heat Inspection

Near 15th St N, Arlington, VA 22201
Jeremy G.

Jeremy G.

No heat plus repairs

Near Main Street, Fairfax, VA 22030
Jermaine A.

Jermaine A.

Replace Humidistat

Near Jamieson Ave, Alexandria, VA 22314
Jermaine A.

Jermaine A.

Replace Humidistat

Near Jamieson Ave, Alexandria, VA 22314
Jermaine A.

Jermaine A.

No Heat

Near Jamieson Ave, Alexandria, VA 22314
Jermaine A.

Jermaine A.

Heat Inspection

Near Minda Ct, Alexandria, VA 22304
Jermaine A.

Jermaine A.

Smell Coming from Gas Boiler

Near Memorial St, Alexandria, VA 22306
Jermaine A.

Jermaine A.

No Heat

Near N Hampton Dr, Alexandria, VA 22311
Jermaine A.

Jermaine A.

No Heat

Near Pinewood St, Falls Church, VA 22046
Jermaine A.

Jermaine A.

No Heat

Near N Pitt St, Alexandria, VA 22314
Jermaine A.

Jermaine A.

John Hawkins

Near N Pitt St, Alexandria, VA 22314
Jermaine A.

Jermaine A.

No Heat

Near Bush Hill Dr, Alexandria, VA 22310
Jermaine A.

Jermaine A.

No Heat

Near Taney Ave, Alexandria, VA 22304
Jermaine A.

Jermaine A.

Heat Inspection

Near Timber Meadow Dr, Fairfax, VA 22030
Jermaine A.

Jermaine A.

Heating Inspection

Near Spring Hill Farm Dr, McLean, VA 22102
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