
Serving Saint Leonard, MD and surrounding areas
Approved (Corporate)
In business since 1903
Emergency services offered
Warranties offered
"The plumber was berybeasybto deal with and very experienced. He did a great job."





Serving Saint Leonard, MD and surrounding areas
Approved (Corporate)
In business since 1903
Emergency services offered
Warranties offered
"The plumber was berybeasybto deal with and very experienced. He did a great job."




Serving Saint Leonard, MD and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Warranties offered
"THE PLUMMER I HAD WAS DAMON. HE EXPLAINED AS HE DID HIS WORK .....PRICE OK , WILL HIRE HPC FOR ALL MY PLUMMING FROM NOW ON ....THANK YOU DAMON"





+12
Serving Saint Leonard, MD and surrounding areas
Approved (Corporate)
In business since 1981
Free estimates
Emergency services offered
"The technician was great, thoroughly took his time figuring out what would be needed to complete the job."

Serving Saint Leonard, MD and surrounding areas
In business since 2013
Free estimates
Emergency services offered
"Travis Grove contacted me less than a minute after I submitted a request. He came day-of on a Friday afternoon to inspect, and quickly found the capacitor had failed. He had a replacement on hand, though the issue was the fan as well. Travis made sure to keep me informed of parts availability (fan vendor closed on weekends), and text me updates. If his arrival time changed, he made sure to let me know. The new fan is more powerful, to provide better cooling. He noticed my refrigerant pressure was low as well, and made sure to fill it up. Travis was friendly and easy to talk to. His price was very reasonable, including all parts and multiple hours of labor over two days. My system is working well and cooling better than before. All set for the summer heat!"





+2

Serving Saint Leonard, MD and surrounding areas
In business since 2010
Emergency services offered
Credit card accepted
"The driver arrived in a large SUV (though we had discussed a sedan) because he thought we would be more comfortable in a larger car. He was polite and professional and helpful. The ride was nice and quick - and we arrived at Dulles without any problems.
I will definitely use the service again and would recommend to others.
"





+2

Serving Saint Leonard, MD and surrounding areas
In business since 1987
Free estimates
Credit card accepted
"I was a walk in early that morning with the intention to leave my car since I did not have an appointment. Greeted upon entry by Mark. I told him I needed my spark plugs changed and brakes redone. I also said I wanted a state inspection and oil change. He said he would have the mechanic work on my vehicle. I received phone calls with updates as to what they found and when my service was completed. I will definitely use them again. I did not need spark plugs or brakes. I trust them and appreciate that they did not charge me for services that I did not need just to make money. I will go back to them for my next oil change and have my spark plugs changed at that time. Extremely professional company.
"





+5

Serving Saint Leonard, MD and surrounding areas
In business since 1983
Credit card accepted
"Continental's technicians were highly experienced, professional, considerate, respectful, hard working, and neat. They arrived on-time when scheduled. Allied's drilling and trenching crews were excellent also. This was a big messy job that took about a week and we are very happy with the work that they did. The owner of Continental, Frank Jackson, sold us the system. He provided an extensive reference list that went back at least 15 years. He was on-site for most of the job providing hands-on supervision of his technicians. His technicians are so experienced that he didn't have to be there to supervise them. Rather, I believe he was there to make sure that the job was finished on time because they are so busy. Allied had an on-site supervisor at the start of the drilling process to finalize the location of the loop bores, but their drilling crew was highly experienced and needed no supervision.
Installing geothermal is a messy job. The vertical bores and horizontal trenching for the ground loop makes a muddy mess. The drillers from Allied were very respectful to the property, much more than I expected. I expected that the drilling process would make "a mess and a half" but it only made a mess! At the end of the job the ground was re-leveled and ready for seed, which has already popped and growing grass. As one of the drillers said "the mess only takes grass seed to fix".
The HVAC technicians from Continental left the spaces where they worked in "broom-clean" condition. We had to do some "deep cleaning" afterwards, but this was completely reasonable.
We expressed our concerns about the job to the technicians before they started work because we do not know much about HVAC or geothermal. They took the time to explain what they were going to do and how they were going to do it. They kept us fully informed about their progress and included us in the decision making process when they had more than one way of running a pipe or duct. They made us feel really comfortable and that we were getting a top-notch job.
While the cost for the system from Continental was a little bit higher than their competitors I think we got value for money. In addition to the reference list we received during the sale process, we also know two families that used Continental in the recent past and they are very happy with the work that was performed.
We would use Continental again and would recommend them to others.
If you go with the option to integrate your hot water heater with the geothermal system (which is supposed to reduce the cost of the hot water that you use) I would reccommend that you bite the bullet and have a preheat tank installed at additional cost. We didn't do that and in retrospect we should have based on some further reading that we did about how to get the most bang for the buck from geothermal. It would be easy to install the preheat tank during a new construction project. It would be harder to install the preheat tank during a replacement project (like ours was).
"

Serving Saint Leonard, MD and surrounding areas
In business since 2010
Emergency services offered
Credit card accepted
"It went well. We will use his services again, if necessary."



Serving Saint Leonard, MD and surrounding areas
In business since 2014
Free estimates
Emergency services offered
"Very well. We were shown pictures of what was in our air ducts. Couldn't believe we were breathing that in."



Serving Saint Leonard, MD and surrounding areas
In business since 1974
Free estimates
Credit card accepted
"All workers arrived on time, were polite and completed work in a timely fashion. Accidentally broke our faucet while replacing flew valve & replaced it in a timely way."





+14
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