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    Services - Potomac HVAC

    HVAC installation or replacement

    HVAC system repair

    HVAC system maintenance

    1 More Service

    Water heater installation

    Potomac HVAC Heating & Air Conditioning/HVAC Photos

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    Recommended Reviews - Potomac HVAC

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    9 months ago

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    Mahdi P.

    Thank you for giving us this opportunity

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    1 year ago

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    Mahdi P.

    Thank you sir. It is our pleasure to provide high quality service

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    5 months ago

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    8 months ago

    Excellent service and fair estimates. Potomac HVAC truly cares about the results and makes sure the job is done right. Highly recommend.

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    Mahdi P.

    Thank you sir. Our pleasure

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    3 years ago

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    3 years ago

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    5 years ago

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    Ask the Community - Potomac HVAC

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    Lyons Plumbing - We support the Down Syndrome Association. The logo hand is actually my daughter's hand, she is a beautiful young women with Down Syndrome.

    Lyons Plumbing

    (129 reviews)

    What an amazing experience with Mark from Lyons!…read more 5+ stars for service, quality, and value. My husband asked several plumbers for quotes, and Mark was the first to reply, right away. He gave us a fair estimate based on the problem description and scheduled a visit immediately. True to his word, he quoted the exact cost when he arrived. During his first visit, Mark was thorough, answered every question, and explained everything clearly. He fixed half the issue on the spot and returned the next day to finish the job. Because the old valve was badly installed and the surrounding "box" cracked when it was removed, Mark went above and beyond. He replaced the whole box and the new valves, a service that would normally cost an extra$200, but he didn't charge us a cent for it. He tested everything before leaving, and when I mentioned our weak‑pressure shower, he instantly diagnosed the cause, explained what caused it, and showed me the issue, and fixed it at no additional cost. I also asked about the slow draining sink, and Mark handed me a tool to remove the debris and showed me how to access the clog. Again, this was free of charge. Mark assured us that Lyons' labor and parts come with a one‑year warranty and that the components used are built to last. In today's world, it's hard to trust someone you don't know, but Mark made us feel completely comfortable and at ease. We're thrilled with the service and will gladly refer Mark and Lyons to anyone needing plumbing or drainage help! We will no longer be looking for another plumber again.

    Price was slightly higher but they were available to get the job done same day. Quote was on the…read morephone and they came later in the day to fix it.

    The Elite Service Plumber

    The Elite Service Plumber

    (116 reviews)

    We scheduled service two different times with Shawn and yet not only did he not show up, but he…read morenever even contacted us to let us know. TWO separate times! The first time ge apologized so we thought it was a fluke, but his text on Friday saying he would see us today was meaningless We spent two full days waiting for him to arrive and my husband spent a lot of time cleaning, taking things out from under the cabinets and putting them up on our bathroom counters so that Shawn could actually work on the sinks. We've had boxes on our bathroom counters for 3 weeks now. I actually needed to go to a headache clinic today because I was very sick with a horrible 3 day migraine, but we couldn't leave the house if Shawn was eventually coming. I have notified the friend who referred us to him as well as everyone in my HOA's Facebook group because he was recommended by her and I needed to let others know that Shawn is not a reliable plumber. Baded on all the other 1 srar reviews, i anticipate Shawn will respond and say it's somehow our fault, like he has done with all the other bad reviews, but all we did was try to give him a job to do. We are taking our service elsewhere, likely Tuckers.

    An update on a hot water heater install 4 years later. Ends up that the cold water inlet pipe was…read morecorroding pretty bad right where it connects to the water heater. There must have been a small leak in the connection as I wiped it dry one day and the next day when I checked, it was a little wet. Had another plumber access and come and fix it and he said the pipe was not sealed correctly on the original install, so it obviously cost me money to repair it. Granted this was 4 years later but still I would not expect an issue 4 years after getting a new hot water heater installed, so you can be the judge if thats an unreasonable expectation.

    The Drain Guys - Meet our team of dedicated experts!

    The Drain Guys

    (188 reviews)

    The drain guys saved me from a huge expense when another company wanted to tear up my kitchen to…read morereplace a hole in my drain pipe. The drain guys did a comprehensive review of all the pipes found the problem and was able to implement a sleeve instead of digging up the floor, the other company didn't even provide a video for $1000 though they did fix the initial problem by clearing the clog. Go to the drain guys if you have any drain issues

    I called The Drain Guys on Thursday afternoon for a slow-draining bathtub after attempting to clear…read moreit myself. When scheduling, I specifically asked whether they could provide at least a ballpark estimate for snaking a bathtub drain. I was told there was no way to provide pricing information until a technician saw the issue in person. At the same time, I was assured their pricing was "the best in the business," that the owner operates with integrity, and that they are not in the business of gouging customers. Based on those representations, I agreed to schedule service. I was told that due to the snowstorm and several frozen pipe emergencies, the earliest available appointment was Saturday. I understood that weather can create legitimate service delays and agreed to wait. However, late Friday evening, the night before the scheduled Saturday appointment, I received a text stating the plumber would not be able to come because they were behind schedule. The next available appointment was Tuesday. That resulted in a five-day wait from my original call for a routine drain issue. When the technician arrived on Tuesday, I was quoted $550 to snake a single bathtub drain. The work took approximately 30 minutes. After receiving the quote, I texted the office referencing the earlier statement about having the best prices in the business. I was then told that they had not said that, only that their prices were competitive. If $550 is the standard rate for this service, that information could have been shared when I specifically asked for even a general idea of cost. Being told that no pricing guidance could be provided, while simultaneously being reassured about superior pricing and integrity, created expectations that did not align with the final quote. The technician did clear the clog. However, he did not remove his shoes or use protective coverings despite snow and mud outside, and water was tracked into the home. This experience combined a last-minute cancellation due to scheduling issues, a five-day wait for service, no upfront pricing transparency, and a $550 charge for approximately 30 minutes of work. Prospective customers, particularly those who are cost- or time-sensitive, should request written pricing information and obtain comparison quotes before proceeding.

    GAC Services - Call GAC Services for a complimentary consultation.

    GAC Services

    (224 reviews)

    I never do yelp reviews. HVAC service-wise, I really like GAC…read more Customer service-wise, I'm starting to sour. The 8 hour window is absolutely ridiculous. Although I've learned that I can call just before my appointment and get a more realistic one. The AI customer service bot is trying my nerves, though. It does seem to work, but really, how un-personal can you be? It would be one thing if it told you upfront, "hi, my name is Ally and I'm your AI customer service". At least you'd know what you were dealing with. When humans are involved, everything is top notch. If it weren't for the 8-hour window and AI bot, I'd give it 5 stars.

    I scheduled my Spring PM at least 2.5 months ago so I could get a chance to be the first call…read more They used to have 4 hour windows several years ago but now it is 8AM-5PM and will give me a 30 minutes call before the teclhnician arrives. Today I got earlier before 8AM in case I am the first call. By 3PM, I am still waiting. I got a call from the technician that he will arrive in 20 mins., so much for the 30 minutes advance call. Joel Hernandez finally arrived at 3:45Pm. He was very polite and pleasant and I really liked the job he did. He was thorough and explained everything to me. My problem is not with Joel but with GAC. The 8 hour window is ridiculous, inconvenient, and frustrating. I have been a customer since 2013. Bring back the 4 hour window so I am not restricted to be within 30 minutes from my house if I want to do some errands. Otherwise I have to look elsewhere for my HVAC and electrical needs.

    Potomac HVAC - hvac - Updated June 2026

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