HVAC & Plumbing Unlimited

HVAC & Plumbing Unlimited Verified by Yext

4.9

(930 Reviews)

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Listed In: Air Conditioning Contractors, Heating Contractors, Plumbers Retailers

Since 2006, HVAC & Plumbing Unlimited has been Northern Virginia’s trusted source for heating, air conditioning, and plumbing services, serving Fairfax, Woodbridge, Arlington, Alexandria, Prince William County, and surrounding areas. Our NATE-certified technicians and licensed, insured plumbers… Read more

4.9

930 Reviews

Write a Review
William Edward

By William Edward on July 11, 2026 Verified by Google

The team was great too to bottom. Each phase of the service was laid out. Everything was clearly explained as well as informative. When it was time for the removal an install of the air conditioning and heating it was flawless. The crew was truly professional. They were quiet and quick. Any questions were answered and explained with ease. Over all just great service.

Jen

By Jen on June 15, 2026 Verified by Google

I wanted to share our recent experience with this company regarding our electric tankless hot water heater. We initially hired them to evaluate the unit, during which they cleaned, reset an interior filter, and recommended a vinegar flush as a solution. For this visit, we were charged $445. The day after, my husband carried out the vinegar flush for three hours, but unfortunately, the same problem persisted—the unit continued cutting off after using hot water and required frequent resets.

We invited the company back to conduct further analysis, and their recommendation was to replace the unit entirely. After discussing the issue with the manufacturer, they also agreed that replacing the unit was the best course of action. I ordered a new unit, which wasn’t much more expensive than the amount we had already spent. The manufacturer assured us that swapping out the unit for the same model should be a straightforward task for an experienced plumber, estimating it would only require 15 to 30 minutes.

When we contacted the company for an installation estimate, they quoted us $1,300 for the job and explained that they could hook up the plumbing, but we would need to hire an electrician to do the rest. Based on our experience, I want to caution others that while this company may excel with traditional hot water heaters, they were unable to resolve issues with our electric tankless unit. It would have been helpful if they had informed us upfront that they don’t specialize in these units before we paid almost $500 with no resolution. If you need work done on an electric tankless hot water heater, I highly recommend finding another company for the job.

RAC Mannion

By RAC Mannion on June 15, 2026 Verified by Google

We use HVAC & Plumbing Unlimited exclusively for our home and our rental properties. The office staff is always pleasant and responsive, and the technicians are skilled and professional. Their service has been reliable every time. I highly recommend them to anyone looking for a trustworthy HVAC and plumbing company.

Rebecca Tolley

By Rebecca Tolley on May 27, 2026 Verified by Google

My recent HVAC installation by “HVAC & Plumbing Unlimited” resulted in a very positive experience from start to finish. Because my home has an unusually tight air-handler space, I spent time researching companies before moving forward. HVAC & Plumbing Unlimited not only came in with a competitive price, but they also clearly had the experience needed for a more challenging installation.
Danny was an excellent technician — knowledgeable, patient, professional, and always willing to answer my questions thoroughly.
Dylan, the installation manager, was also extremely attentive and responsive throughout the process. Communication was consistent, and the team delivered exactly what was promised.
Everyone showed up on time, treated my home respectfully, and the installation went more smoothly than expected. I’m very happy with the final result and glad I chose HVAC & Plumbing Unlimited.

Patricia Reto

By Patricia Reto on April 28, 2026 Verified by Google

The technician who came today did an excellent job servicing the air conditioning system. He was punctual, professional, and very respectful.

He cleaned the drain line, the coils, and the blower, and also added insulation to the wiring on the rooftop. Everything was done carefully and thoroughly.

He explained the work clearly and made sure everything was working properly before leaving. I really appreciated his attention to detail and professionalism.

Highly recommended.

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HVAC & Plumbing Unlimited 4.9 out of 5.0 based on 930 user reviews.

HVAC & Plumbing Unlimited
9704-A Gunston Cove Road, Lorton, VA
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Additional Business Details

Business Hours

M-Su 24hr

Year Established

2006

Listing data provided by Yext

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