Gunston Cove Rd
Lorton, VA 22079
855-835-6820

Local Reviews
for fairfax, va

Rated 4.9 out of 5 stars based on 125 customer reviews

Outstanding Professional Service

Robert Campbell, from HVAC unlimited, has been servicing my house hvac systems and our family systems for many years. Robert's hvac services are always very professional and thorough. When any repairs are needed, we feel comfortable about his honest suggestions and prices. We have recommended HVAC UNLIMITED to our family and friends and Robert Campbell is an asset to his company!

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Great Service when all the other technicians I called seemed lost!

Jermaine was super knowledgeable of my building and was able to identify and repair the problem with my air conditioner in a very quick timeframe!

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Great customer service!

Love that Jermaine is back with HVAC Unlimited.

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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!

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Great Service!

Jermaine was very professional and provided excellent service!

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Meticulous and Dedicated Professional

Jeffrey is very proud of his work and made sure that his work is exemplary. Thank you for putting in meticulous effort in cleaning my HVAC fan and ensuring that everything was working properly before leaving my apartment. Thank you for your professional service!

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Great service!

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Good service

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Great Service, Took Time to Explain Everything

Jeremy showed up on-time and was very professional. He took the time to walk me through everything he was checking as part of the routine maintenance check. As a new, first-time homeowner, this was a very valuable experience for me. I now know what to keep an eye on in the future and how best to maintain my HVAC system to maximize it's useful life. I highly recommend Jeremy.

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Excellent service

He quickly diagnosed the problem and explained the options that I had..He also clearly outlined the costs associated with a replacement water heater.. He made clear arrangements for follow-on service.

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100% Satisfied

Calling a service person for a job can be difficult for many reasons. Jeremy was truly a diamond in the rough. He came on time and was extremely pleasant from the get go. During his inspection of the HVAC unit he found multiple obvious issues which he resolved without difficulty. He showed me the problems which I could easily appreciate. He performed only the necessary work. He appeared to be very honest and reliable. I would not hesitate to call him again for future issues. In fact I plan to call for his services soon for another job.

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Great customer service.

Daniel was very informative and able to answer my questions on proper care and maintenance of my HVAC unit.

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Great service and a knowledgeable young man who spent a lot of time answering our questions, etc.

We felt very comfortable with having Jeremy service our HVAC unit as he was familiar with the Infinity Series on our Carrier system which we had lots of questions about. He called while en route to estimate his time of arrival which was great as most companies do not do this!

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Jeremy is simply the best HVAC guy!

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Job Locations
for fairfax, va

William C.

William C. Job Checkin

Performed 2 contracted heating inspections on hydronic heat pumps.


Robert C.

Robert C. Job Checkin

Performed heating inspection on Carrier gas furnace system under contract


Jermaine A.

Jermaine A. Job Checkin

No AC


Jermaine A.

Jermaine A. Job Checkin

Erik M


Josue R.

Josue R. Job Checkin

Responded to a no A/C call, when arrived found auxiliary drain pan full of water and float switch open. Vacuumed out drain pan and performed run checks, found system low on refrigerant Charged unit to manufacturer’s specs. Added 2lbs of R22. Equipment working properly at this time


Jermaine A.

Jermaine A. Job Checkin

No AC


Robert C.

Robert C. Job Checkin

Performed cooling inspection and cleaned blower assembly on Bryant system


Robert C.

Robert C. Job Checkin

Replaced failed capacitor on Carrier heat pump system


Erwin V.

Erwin V. Job Checkin

Fixing water leaking and other repairs


Jermaine A.

Jermaine A. Job Checkin

Cooling Inspection


Jeremy G.

Jeremy G. Job Checkin

Cooling inspection


Jermaine A.

Jermaine A. Job Checkin

Cooling Inspection


Jermaine A.

Jermaine A. Job Checkin

Cooling Inspection


Andre M.

Andre M. Job Checkin

Ac check


Jermaine A.

Jermaine A. Job Checkin

AC INSPECTION