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    Services - Potomac HVAC

    HVAC installation or replacement

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    Water heater installation

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    Recommended Reviews - Potomac HVAC

    Your trust is our priority, so businesses can't pay to alter or remove their reviews. Learn more about reviews.
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    10 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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    7 months ago

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    10 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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    Lyons Plumbing

    Lyons Plumbing

    4.6
    (130 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.

    Honest and selfless with their advise. Price was top going but I was very pleased with their…read morecommunications.

    Tim Whistler Plumbing, Gas Fitting, HVAC, and Electrical

    Tim Whistler Plumbing, Gas Fitting, HVAC, and Electrical

    4.7
    (395 reviews)

    I'm very pleased with the service that Saul provided and would definitely use Tim Whistler Plumbing…read more& Gas Fitting in the future. There was an initial mixup about the appointment time, but that was soon sorted, and Saul contacted me prior to his arrival and arrived on time. Quickly getting to work, he identified the problem with our gas insert. He was able to fix the immediate problem to return it to working order and then explained what was happening and why. He also provided what next steps would be for a more permanent solution. It was a very professional, friendly service call.

    They are professional, punctual, knowledgeable and do good quality work. I very much respect the…read moretechnician, but the problem appears to lie with the company's practices and fees. The main problem and downside is that they are very expensive and overcharge. Despite the Yelp page saying that the company provides a "free estimate", I was quoted $49 for the technician to travel. In addition, if I had not chosen to go ahead with the repair, the company would have charged me an additional $150 diagnostic fee. Essentially, despite the yelp profile stating a "free estimate", it will cost you closer to $200 to get a quote. I see this as false advertisement. In addition, when the technician concluded that the problem was the capacitor, I received a final quote of $600. When I googled the price of the same capacitor online, the price range was in between 75$ - 150$. Essentially, they are charging a premium of at least $450 per replacement for a single part (capacitor). Despite their professionalism and quality work, I do not recommend this company for the reasons stated above. If price is not a concern for you, and you would rather pay twice the market value for a job then you should definitely choose them. EDIT: I actually googled the price of a capacitor and offered to buy my own. I was told that by the technician that if I purchased my own capacitor that the company would not install it. In conclusion, they did not address any of my concerns. Unfortunately, after reading the other bad reviews, there seems to be a consistent pattern of discrepancies between what they tell customers and what they instruct technicians to say on site. Making an honest living is so much more rewarding than making it dishonest living.

    The Elite Service Plumber

    The Elite Service Plumber

    4.6
    (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

    The Drain Guys

    4.4
    (195 reviews)

    First time customer here, and The Drain Guys will definitely be my first call for future plumbing…read morework. From my first interactions I was impressed with the customer service. I solicited quotes from three companies to reline my 80+ year-old sewer line. One never delivered; Second quoted but was near impossible to get questions answered regarding the quote. Drain Guys quoted on the spot, and was extremely responsive regarding follow-up questions. The CIPP liner process is technically complex, and the team experienced some unforeseen complications. However, the skill, positive attitude, and perseverance of every team member when things got tough truly impressed me. The team worked very hard over several days, overcame major obstacles, and ultimately delivered a drain line that will hopefully last another 80 years. Despite the challenges, I never doubted I was in good hands with The Drain Guys and I would absolutely call them again. Special thanks to Adrian, Kevon, Oliver, Johnny, and Jay -- I appreciate you all! Chris

    I submitted a project request for clanging pipes through Yelp and a rep from the drain guys was the…read morefirst to respond within 2 minutes. They were able to come out first thing the following morning to take a look at the situation, turned the water valves all the way on, and sent me a detailed quote while they were still there (unfortunately they initially sent it to a wrong number so someone has my personal data :/ ). Pricing was on the higher end of what I expected, and I was planning to get estimates from other companies that responded on Yelp to compare, so I let them know I would be in contact. Later that evening, I went back downstairs and noticed a leak coming from the main water valve, which was not leaking prior to the drain guys' visit. I immediately sent a message with a video via yelp, and the rep responded saying they would contact the plumber and get back to me. It's been almost 2 weeks and I still haven't heard back, which is interesting as they were so quick to respond when I was potentially giving them business, but ghosted me when I held them accountable for causing a leak. Thankfully, a plumber from another company that responded to my yelp project came by and was able to tighten the valve to stop the leaking. Turns out the drain guys plumber had loosened the entire pipe/valve when he turned the knob all the way on, so it was a simple fix but something that they should have looked out for in the moment. Had I waited for the drain guys to come back my basement would have been flooded. I'm utterly disappointed in their lack of accountability and communication, and have no trust in their services if they were able to let me down on such a small matter.

    Potomac HVAC - hvac - Updated July 2026

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