24/7 Emergency Service Available

HVAC Unlimited, Inc.

Herndon, VA Air Conditioning Repair & Service

See our Herndon customer reviews below

Local Reviews
for Herndon, VA

Rated 5.0 out of 5 stars based on 32 customer reviews


Map of Herndon, VA

10 years of really excellent service




Personable Tech,Through work


Map of Herndon, VA

Jeremy did a great job. Customer service was awesome.




Great turn around time, called to let me know when he was arriving and was on time.


Map of Herndon, VA

Very professional, thorough, honest





Map of Herndon, VA

Awesome technician!




Superior knowledge and service! The best technician ever!


Map of Herndon, VA

Eleventh year of outstanding service with 19 visits , including installation of our first heat pump. at our Herndon home.




William came yesterday and did a fine job. Professional and personable.


Map of Herndon, VA

Comfort with HVAC




Always good service with HVAC--comfort that heating and cooling systems will work and if not, great technicians will quickly put things back in order.


Map of Herndon, VA

Awesome technician!




Very knowledgeable and highly skilled.


Map of Herndon, VA

Gosser repair




Great transaction


Map of Herndon, VA

Professional and Honest Service




I switched to HVAC Unlimited after an unfortunate experience with another HVAC company. I am now receiving professional and courteous service from an honest company that does not try to "up sell" with every visit. Jeremy is the best technician ever. Thank you!


Map of Herndon, VA

McKenna





Very responsive




Technician was thorough, kept me informed, extremely courteous.


Awesome technician!




Always excellent service. Jeremy is a great technician. We are always very pleased.


Great service, very knowledgeable technician





Jon Katz





Excellent service and staff





Honest Assessment, Honest Pricing




I was told by a different HVAC Co, that my HVAC unit "would not last the summer". Recommended replacing entire unit & furnace. A friend recommended HVAC Unlimited. They came, did a thorough review of my HVAC units and solved the problem for less than $300. Integrity & professionalism - what more can I say!


Awesome technician




Excellent quality of service. Jeremy is experienced and knowledgeable. He cares about doing his best. I trust him to keep our heat and a/c units running well each season..


All ways great service and tech's are very knowledgable




Great company.


Excellent service





Great service




Wonderful service. Quickly got the job done and done very professionally at our medical office. Honest , reliable , on time, and price was very reasonable. They aim to please their customers !!! Already have more work for them to do. Great job Jeff!! Thank you Rebecca for the referral.


Great WOrk




Their tech ned was in, analyzed situation, repaired the bad part, and was off. No issues.


Really Great




First of all, I called and got an appointment for the same day, later in the afternoon. Ned came out to assess both of our units. He spent a lot of time with me explaining the issues, and he really knows what he's talking about. Ned didn't pressure me into anything, and explained all the options with respect to pricing. He is a consummate professional and I'm happy to have found HVAC Unlimited.


Tech was terrific




Ned was very efficient and personable.


Ned is truly the best. Great guy and great technician!





Ned's maintence visit. As always he is thorough, professional, and efficient. I feel like his advice is in our best interest.




We were introduced to HVAC Unlimited 8 years ago and remain very pleased with their served. After installing a heat pump 8 years ago, our all electric home and our all electric rental home have been maintained by this company. The change in our electric bills was immediately reduced out heating and AC bills. We are now pleased that they recently they can provide plumbing service, even the small things like toilets and faucets. You can be sure we will call them first of this.


Home Owner




As always, Ned & the HVAC crew come through! I wouldn't have anyone else service our equipment - they know the the job & get it right! Thanks Ned & HVAC!! Got some plumbing upcoming & I'll be giving you a call!


Great service




HVAC is on my speed dial. They take care of all my properties. Thank you for your help.


Always Great Service!




HVAC Unlimited is always responsive to our requests for service. Ned is usually the technician who comes to our home. He is thorough, respectful of our home, and helpful with showing us how to use and maintain our HVAC system. He's always quick to diagnose any issue and gives us good and fair advice about whether we need to repair or replace our equipment. We will continue to use HVAC Unlimited for all of our HVAC services!


Spring Tune Up




HVAC - always dependable, and the service is excellent! - very professional, everything is explained, and done with the highest integrity. I would highly recommend HVAC - especially Ned, who has serviced our home (and business) for many many years!


Good Work




When the on call guy called me back, I felt like he thought I was wasting his time making him come out, so that annoyed me. It didn't help that he was asking (very legitimate) questions that I just didn't know the answer to because of ignorance about the system installed in my home. Once he came out though, and it was clear I had a problem that was not just going to go away on its own (as he suggested on the phone) he was very thourough and very professional. He checked everything multiple times to pin point the exact issue, and he provided very clear instructions to me about next steps. He spent a good 2 and a half hours on my problem to get as much information about it as possible and solve it the best he could at midnight on a weekend and only charged me the standard after hours call fee.


Jermaine A.

Jermaine A.

Heat inspection

Near Cheviot Dr, Herndon, VA 20170
Jeremy G.

Jeremy G.

No AC

Near Stable Brook Way, Herndon, VA 20171
Jeremy G.

Jeremy G.

Clearing drain line

Near Lynn St, Herndon, VA 20170
Jeremy G.

Jeremy G.

Cooling inspections and repairs

Near Pine Oaks Way, Herndon, VA 20171
Jeremy G.

Jeremy G.

Cooling inspections

Near Owlsley Way, Herndon, VA 20171
Jeremy G.

Jeremy G.

Installing filter grill

Near Trossack Rd, Herndon, VA 20170
Daniel M.

Daniel M.

Cooling inspection

Near Coat Ridge Rd, Herndon, VA 20170
Daniel M.

Daniel M.

Near Coat Ridge Rd, Herndon, VA 20170
Jeremy G.

Jeremy G.

Cooli inspection

Near Eastpark Dr, Herndon, VA 20171
William C.

William C.

Performed cooling inspection on a Trane heat pump.

Near Cheviot Dr, Herndon, VA 20170
Jeremy G.

Jeremy G.

Cooling inspection

Near Trossack Rd, Herndon, VA 20170
Jeremy G.

Jeremy G.

Cooling inspections

Near Owlsley Way, Herndon, VA 20171
Jermaine A.

Jermaine A.

AC INSPECTION

Near Northpoint Glen Ct, Herndon, VA 20170
Jeremy G.

Jeremy G.

No heat

Near Huntsman Pl, Herndon, VA 20170
Jeremy G.

Jeremy G.

Heating inspections

Near Pine Oaks Way, Herndon, VA 20171
Jeremy G.

Jeremy G.

Heating inspection

Near Bradwell Rd, Herndon, VA 20171
Jeremy G.

Jeremy G.

Heating inspections

Near Rowland Dr, Herndon, VA 20170
Jermaine A.

Jermaine A.

LOUD NOISE COMING FROM HEAT PUMP

Near Wiehle Ave, Herndon, VA 20170
Jeremy G.

Jeremy G.

Heating inspections

Near Owlsley Way, Herndon, VA 20171
Jeremy G.

Jeremy G.

Backed up drain line

Near Heather Down Dr, Herndon, VA 20170
Jermaine A.

Jermaine A.

AC INSPECTION

Near Heather Down Dr, Herndon, VA 20170
Jermaine A.

Jermaine A.

AC INSPECTION

Near Northpoint Glen Ct, Herndon, VA 20170
Jermaine A.

Jermaine A.

No AC

Near Grace St, Herndon, VA 20170
Jermaine A.

Jermaine A.

No AC

Near Reign St, Herndon, VA 20171
Jeremy G.

Jeremy G.

Cooling inspection

Near Trossack Rd, Herndon, VA 20170
Jeremy G.

Jeremy G.

Second opinion on air conditioning

Near Havencrest St, Herndon, VA 20171
Jeremy G.

Jeremy G.

Cooling inspection on two systems.

Near Owlsley Way, Herndon, VA 20171
Jeremy G.

Jeremy G.

Cooling inspection

Near Northpoint Glen Ct, Herndon, VA 20170
Jeremy G.

Jeremy G.

Cooling inspection

Near Coat Ridge Rd, Herndon, VA 20170
Ned W.

Ned W.

Replaced a faulty blower motor and wheel in a Goodman airhandler.

Near Eastpark Dr, Herndon, VA 20171
Herndon, VA - Replaced a faulty blower motor and wheel in a Goodman airhandler.

Located in the heart of Washington, D.C.’s suburbs, Herndon is a picturesque settlement that continues to grow at a rapid clip. Like many surrounding communities, Herndon boasts an ample supply of single-family housing as well as higher-density complexes that cater to young, white-collar professionals and families with small children. The city lies along the so-called Dulles Technology Corridor, a concentration of tech firms that has often been compared to Silicon Valley. Its population sits between 25,000 and 30,000, but the area remains ripe for further growth. Herndon’s attractions appeal to visitors of all ages and inclinations. During the warm season, the Friday Night Live concert series and Herndon Farmers’ Market keep folks entertained throughout the day. In June, the famous Herndon Festival draws visitors from across Virginia and Maryland. Although Herndon does experience annual cold snaps and occasional summer heat waves, the weather is generally pleasant for these events.

Herndon’s residents and business owners count on the NATE-certified, Virginia-licensed air conditioning repair professionals at HVAC Unlimited. With more than two decades of heating and air conditioning service experience, HVAC Unlimited’s technicians can perform a wide variety of installation and maintenance tasks. They’re on call around the clock to repair and service all of HVAC Unlimited’s state-of-the-art Carrier systems.

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We have staff on call at any time of the day or night, every day of the year so that we can provide assistance during emergency situations.

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