Get matched with top tankless water heater repair pros in Manassas, VA

"Needed to repair or replace my tankless electric water heater. Many other companies refused to even take a look. Worked with Andy, had to get mine replaced but did it quick and very professional."

"We so much appreciate the same day service call, water heater check, inspection of other plumbing systems, and the water heater replacement. John's visit was outstanding in every way. The quality of his work was superb, even though the total job was not an easy one. We would go far out of our way to have John's services again, or to strongly recommend his work for anyone we know."

"Moises and Alex did a great job in fixing outstanding issues with the heat pump. The work was done professionally and quickly, at a fair price."

"Fine. I had no issues. They got out to the house very quickly, within several hours of request, they were quick with no added charges or time, and the estimates that were requested (replacement of water heater) were explained thoroughly."

"Excellent. Two separate teams came; one for AC and Furnace; second for Tankless hot water heater; Minor toilet repair also done at no extra charge, including a follow up service call to install new toilet flush handle, also at no charge."

"Abdul, the owner, came and fixed what another plumbing company on Angi's list failed to do today, he even replaced a part that the other plumbing company installed, telling me that it was a substandard part. His price was almost half of what the unmentioned company charged. His work was fast, efficient and professional. I would highly recommend him for your plumbing needs. Thank you very much Abdul. You are the best!"

"Overall everything went very well. The work was done on a 1903 Dupont Circle townhouse which automatically present many obstacles that that do not apply to apartments or homes in the suburbs such as parking, traffic, unique structural quirks, etc.  Due to our city location it was decided that work would begin at 6am to dismantle existing AC unit on the roof as well as the furnace in our 4 ft high attic crawl space and have a crane lower the new unit on our roof by 7am in order not to obstruct the one way traffic on my street. I was honestly shocked to see the technician waiting outside my house at 5:45AM. Unfortunately the crane that AES contracted to arrive at 7am did not arrive until 10am but they were able to negotiate the tall trees on the street and complete their job in 30 minutes. Had we known the crane would not arrive until 10am we all could have slept in a couple more hours sleep, but thats life.  In order to have access to the attic crawl space, and install the new furnace and remove the old one the existing ceiling panel had to be removed and the workers had to manually enlarge the hole in the ceiling. This was unfortunate but necessary. The workers to care to put up plastic up to minimize the mess. NOTE: Per contract I knew that AES was not responsible for repairing the ceiling. I had to pay a carpenter $300. to sheet rock and paint ceiling damage at completion of job. AES worked from 6am until 7pm on day 1 and returned on day 2 to complete the job. All AES employees that I came in contact with - including John Smith, the president who came by on day 2 to check on the job - were nothing but professional and polite. Workers even offered to wear paper booties in the house to minimize construction dust which was appreciated but not necessary.  I would be comfortable in recommending AES to anyone."

"Tried to push me into purchasing a new water heater and quoted me higher price based on estimate from their affiliated company (which had accidentally quoted me wrong price initially)."

OHA HVAC, Plumbing, Chimney & Fireplaces provides residential HVAC, plumbing, chimney, and fireplace services in Fairfax and surrounding Virginia communities. We handle repairs, maintenance, inspections, and installation-related service with experienced technicians, clear communication, and honest recommendations. Emergency service, financing options, and free estimates for qualifying work are available.

"Fantastic company. We had a water heater installed. The installer was fantastic. He was on time, professional and extremely knowledgeable. We will use them again. If I could give them 10 stars I would.."