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"Brandon was great. He patiently diagnosed the immediate issue, proposed some solutions and installed a stopgap. I highly recommend Brandon and HPC."

"We have lived in our now 108 year-old house in the Silver Spring, Maryland(MD), 20905 for 20 years. During that time we've had an inadaquete gravity heater that unevenly heated the first floor (and made lots of noise while at it) and no heating or air conditioning for the second floor where we sleep. Having had enough, this winter we called Sycoy after reading the rave reviews on Angi. Who was this "Sucoy" that so many reviews talked about? We met Sucoy first-thing when he came to give us a quote. A real people-person with obvious pride in his family and the business they run. He assessed our situation and recommended a creative solution to our problem. The upstairs work posed unexpected challenges, but his crew was committed to getting it done and getting it done right. He brought in a contractor and an electrician (both named Clarence) and a installation crew (both named Juan) that were all delightful and obviously skilled. Everyone bent over backwards to make accommodations to our schedules, at their own expense. They were regularly on the phone to each other coordinating the work - a real team. For the first week after the installation we wandered around the house marveling at the even temperature and the quiet operation of the equipment. The experience was entirely positive. It was a pleasure to do business with Su-Coy Heating A/C & Duct Cleaning."

"First let me say, great customer service is hard to come by nowadays. After dealing with a broken A/C unit for a month this summer, I finally woke up one morning and decided to find some help on Angie's List. Several options came up, but when I saw that Grove & Son was located down the street from me I decided to buy local... and I am very glad I did. Travis & his assistant stopped by within the hour. They were professional, polite, personable, and very reasonable with pricing. Travis even took his time to make sure that I understood what options I had; as well as their longetivity the potential and price difference. Grove & Son Plumbing Heating & A/C will exclusively be servicing my home if I ever have a problem that's too big for me."

"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.
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"It's just so easy to get my car fixed there. I'm particular and know what I want. They do a great job consulting with me on what needs to get done now and what can wait."

"I’ve used Drymount Air multiple times for multiple projects. They installed a new water heater, added a humidifier, disconnected and reconnected my air conditioners during a patio installation, put in new smart thermostats and various plumbing jobs. They have always been upfront and honest about what I should and shouldn’t do and given me multiple options. When is used to get multiple estimates, they were typically the lowest, I now don’t even get other estimates. They have always arrived on time, sometimes early squeezing me in during a lunch or between customers. They are courteous and during the pandemic have taken all safety precautions. And lastly came late in an evening to help with an emergency and did what was necessary to get me through the night and came back the next day to finish. They are the first call I would make if I needed anything and would be lost if they were unavailable. I highly recommend!"

"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).
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"Jim did a great job. He quickly assessed the problem and then took our unit with him to work on it more. When he got back to us, the fix would have cost more than it was worth. He gave us options for a new or refurbished PC. We felt the refurbished was a good deal and chose that. He came back and set that up and we are very happy with it. He then took a look at my laptop and again took it along. He tuned it up and installed a speed upgrade we wanted. Of course, we paid extra for the new unit and upgrades, but we thought the price was very fair. Jim seemed very knowledgeable and responsive. We will definitely call him again if we need any computer services."

"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."

"Movers did a good job, no issues.
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