Get matched with top water heater repair or service pros in Rockville, MD

"I was impressed by how hard working and thorough the workers were. They hauled the old gas water heater out and got the new one installed promptly and did a neat job. They reconfigured an awkward gas pipe near my washing machine, replaced an exterior gas hose with a UV resistant one, and checked all gas piping including our gas fireplace. We were very pleased with the end result and appreciated the fair pricing. Highly recommend."

"Service was completed as expected. Fred came with his son promptly in the morning. He first assessed the issue and made a recommendation for the repair. The work seems to be of good quality. Final price was just as quoted. Fred was very professional and quite personable. Overall I’m happy with their work and excellent customer service. Highly recommended! I will going to Fred for my future plumbing needs."

"Johnny was very professional in performance of the hot water heater installation and helpful in answering all of my questions. Highly recommend the company. Cheers"

"Darren, the Salesman, was extremely knowledgeable and helpful. Very low pressure sale tactics, but laid out all of the options for you. The crew came and finished installing a new heat pump and heat exchanger in a half day and then another individual returned the next day to install a new water heater. Great communication and attention to detail every step of the way! Would highly recommend!"

"It was good service. The price is reasonable and good quality work."

"We needed a water heater replacement due to a leak in our existing unit. The company came out promptly after our phone call, provided an estimate, and came back first thing the next morning with a new water heater to install. The owner and staff were patient in answering any questions that we had and did an amazing job cleaning up after they were finished with installation. They went above and beyond to ensure that we were very satisfied with their service. They never made us feel as if they were rushing to complete the job. We would highly recommend them!"

"Just started working with Markool this summer and they have been fantastic! When I need service, they are so fast and every person we have interacted with has been polite, knowledgeable and personable. We unexpectedly needed to replace our system during a heat wave and they were super. So responsive and quick. I would highly recommend Markool for all of your HVAC needs!"

"On time, in fact earlier than expected. Courteous technicians. Provided options for repair or replacement and was forthcoming about what he saw. Recommended a highly reviewed water heater. All around excellent."

"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."

"This company was prompt, gave us a reasonable price, and the system is working very well. We give them an excellent rating for their service, and would recommend them to anyone who needs HVAC repair or replacement."