4.6 
6.1k+ We used Park Heights to do our roof. They did an adequate installation job but we later discovered the following problems: * Sloppy workmanship * Damage to siding * Failure to plug in new electrical fan in attic * Failure to reconnect attic flue (which brings up carbon monoxide from boiler)...
Park Heights RoofingMirko came out immediately after I requested a quote, gave me one below everyone else, and had the foresight to look at my radiators in addition to the boiler, recommending a fixing a broken valve on one. Despite adding more more work, his quote still came in below anyone else, and he was...
PCK HVAC LLCdid not repair
Factor ApplianceExcellent! The NCB-210 combination boiler/water heater was mounted on a 3/4" plywood backer board attached to a constructed wall. The exhaust and air in-take pipes run vertically off the top of the boiler into the joistbay, continue to the rear foundation wall, penetrate the wall, and...
Tankless ConceptsTheir heating and air condition systems are efficient and extremely effective. Their service and maintenance contracts ensure a long life of their products. My current boiler that I replaced was well over the predicted 20 years life span. Their expert technicians are courteous and respectful...
Vito ServicesWe have a very modern boiler (Triangle Tube) that most local repair companies are unable to service. When we had failed ignition errors and a broken domestic hot water thermostat, we asked the largest local company who works on these systems to provide the repair. They offered to put in a...
Rivera & Sons IncOur boiler stopped working just before one of the coldest nights of 2015. I discovered this after regular business hours, but their telephone service ensured that we got an appointment for the next day. Since we had power, we decided not to request emergency service. Their technician...
Davis & Davis Air Conditioning & Heating IncI had a slow leak from an old pipe in the basement and sent a picture of the problem to a few plumbers to get estimates. I wound up going with My Plumber because the previous homeowner had recommended them. The nozzle was on a small copper pipe, next to a pressure reducing valve. Because...
My Plumber Heating Cooling & ElectricalIn preparation for a new boiler installation, I had Maryland Cleaning and Abatement remove the asbestos pipe insulation in my basement. The cleaning crew quickly removed the insulation from the pipes, thoroughly cleaned the area after the removal and hauled away the debris. I was quite...
It went well, things were quick efficient, they were responsive to my requests to change schedules, as well as follow up and payment. Had them replace my boiler recently and they were by far the cheapest option. Also same responsive service then.
Aspen Hill Plumbing LLC
Drainage & Erosion Solutions (DES) is an award-winning design-build firm specializing in diagnosing and resolving drainage and erosion issues for residential and commercial properties. With both engineering and contracting divisions, we deliver professionally engineered solutions that are as functional as they are aesthetically pleasing. Our team is composed of dedicated, full-time professionals known for their technical expertise, attention to detail, and commitment to exceptional customer service. All consultations, assessments, and installations are performed by licensed experts—including soils engineers and landscape and drainage system designers—who bring decades of combined experience in design and construction. Clients trust DES for our reliability and results, leading to a strong referral-based business and consistently high rankings on contractor-rating platforms.
"I highly recommend DES! I arranged a consultation after a home inspection report indicated that there was moisture in our basement walls. I was worried that costly mitigation efforts would be required. A friend who had previously used DES for a basement water problem highly recommend them, telling us that they were an honest company that only does what is necessary to solve a problem. Happily, Mark Fine from DES inspected both our basement and our exterior grounds and reported that there was no indication of cracks in the foundation or water intrusion, and that no work needed to be done. It is so refreshing to have a company that doesn't try to sell expensive services when they are not necessary!"
Brian E on October 2025
Drainage & Erosion Solutions (DES) is an award-winning design-build firm specializing in diagnosing and resolving drainage and erosion issues for residential and commercial properties. With both engineering and contracting divisions, we deliver professionally engineered solutions that are as functional as they are aesthetically pleasing. Our team is composed of dedicated, full-time professionals known for their technical expertise, attention to detail, and commitment to exceptional customer service. All consultations, assessments, and installations are performed by licensed experts—including soils engineers and landscape and drainage system designers—who bring decades of combined experience in design and construction. Clients trust DES for our reliability and results, leading to a strong referral-based business and consistently high rankings on contractor-rating platforms.
"I highly recommend DES! I arranged a consultation after a home inspection report indicated that there was moisture in our basement walls. I was worried that costly mitigation efforts would be required. A friend who had previously used DES for a basement water problem highly recommend them, telling us that they were an honest company that only does what is necessary to solve a problem. Happily, Mark Fine from DES inspected both our basement and our exterior grounds and reported that there was no indication of cracks in the foundation or water intrusion, and that no work needed to be done. It is so refreshing to have a company that doesn't try to sell expensive services when they are not necessary!"
Brian E on October 2025
Atlas Home Energy Solutions is committed to providing the highest quality home energy improvements to homeowners interested in reducing their utility bills and improving the comfort of their home year round. Customer Satisfaction is our number one priority and we promise that we can make a real impact in your home in a way that keeps you happy every step of the way.
"Atlas home energy solutions did an outstanding job from start to finish. They were professional, knowledgeable, courteous and easy to work with. All the crew members Ben Mott (was very knowledgeable, did the home energy audit, followed up with competitive quotes, which was adjusted to accommodate my request, offered BGE rebates upfront, patient and friendly to attend my calls and answer all the questions), Zam (Crew leader who did the exhaust fan installation), Tun (Crew leader who did an outstanding job to insulate the attic and basement), David (Crew leader who did duct cleaning and Aeroseal) were phenomenal and did an outstanding job. The end result is a day and night difference before and after the work and my BGE bill last month went down by more than $100 which is a huge cost saver. The HVAC does not run that much these days and the temperature is pretty even across the 30-year townhouse. I highly recommend Atlas home energy solutions for home energy audit and improvements."
Chandra V on April 2024
Atlas Home Energy Solutions is committed to providing the highest quality home energy improvements to homeowners interested in reducing their utility bills and improving the comfort of their home year round. Customer Satisfaction is our number one priority and we promise that we can make a real impact in your home in a way that keeps you happy every step of the way.
"Atlas home energy solutions did an outstanding job from start to finish. They were professional, knowledgeable, courteous and easy to work with. All the crew members Ben Mott (was very knowledgeable, did the home energy audit, followed up with competitive quotes, which was adjusted to accommodate my request, offered BGE rebates upfront, patient and friendly to attend my calls and answer all the questions), Zam (Crew leader who did the exhaust fan installation), Tun (Crew leader who did an outstanding job to insulate the attic and basement), David (Crew leader who did duct cleaning and Aeroseal) were phenomenal and did an outstanding job. The end result is a day and night difference before and after the work and my BGE bill last month went down by more than $100 which is a huge cost saver. The HVAC does not run that much these days and the temperature is pretty even across the 30-year townhouse. I highly recommend Atlas home energy solutions for home energy audit and improvements."
Chandra V on April 2024
You and your family deserve to receive the best care and the best service. Not every heating & A/C company gives you the quality people and care that Presidential does. We offer 40 Years of Award-Winning Quality People, Quality Installation, and Quality Service. Delivering this quality service and care for your home is our commitment to you! Family-owned and operated, Presidential specializes in residential and light commercial service and installation throughout MD, VA & DC. Ask us about our system replacement specials and The Advantage Maintenance Plan for preferred VIP service. Presidential has been awarded the Carrier Factory Authorized Dealer Award and is a member of the ACCA (Air Conditioning Contractors of America) and the Quality One service network.
"Excellent service! I had a 26yr old A/C and Propane furnace that I wanted to update to an ALL ELECTRIC high efficiency heat pump. The price in the estimate was much higher than I was expecting, but they worked with me and brought it down considerably, provided I could accept an install slot in a couple of days due to a cancellation. Go for it, I thought! Unfortunately, it turned out that the estimator/salesman (who shall remain nameless) apparently got a bit confused and set up the equipment as a hybrid propane system - not the all-electric system that I wanted. Ugh. I only realized this when the installers had the indoor unit in place, and I saw the propane burners. Doh! So, I explained the situation to them, and they pulled the unwanted unit out and jumped through the hoops to order the correct unit and its accessories (wiring, breakers etc.), with no change to the price. They were very friendly and polite through all of this even though it meant the wasted work and that they had to come back the next day with the new IDU. Anyway, the final install all went well, and they were very friendly and respectful of the property and explained all the install details as they went (sorry Melvin, for all the pestering!) I'm very happy with the company and the installer's knowledge and professionalism. RECOMMENDED!"
Mark Q on October 2025
You and your family deserve to receive the best care and the best service. Not every heating & A/C company gives you the quality people and care that Presidential does. We offer 40 Years of Award-Winning Quality People, Quality Installation, and Quality Service. Delivering this quality service and care for your home is our commitment to you! Family-owned and operated, Presidential specializes in residential and light commercial service and installation throughout MD, VA & DC. Ask us about our system replacement specials and The Advantage Maintenance Plan for preferred VIP service. Presidential has been awarded the Carrier Factory Authorized Dealer Award and is a member of the ACCA (Air Conditioning Contractors of America) and the Quality One service network.
"Excellent service! I had a 26yr old A/C and Propane furnace that I wanted to update to an ALL ELECTRIC high efficiency heat pump. The price in the estimate was much higher than I was expecting, but they worked with me and brought it down considerably, provided I could accept an install slot in a couple of days due to a cancellation. Go for it, I thought! Unfortunately, it turned out that the estimator/salesman (who shall remain nameless) apparently got a bit confused and set up the equipment as a hybrid propane system - not the all-electric system that I wanted. Ugh. I only realized this when the installers had the indoor unit in place, and I saw the propane burners. Doh! So, I explained the situation to them, and they pulled the unwanted unit out and jumped through the hoops to order the correct unit and its accessories (wiring, breakers etc.), with no change to the price. They were very friendly and polite through all of this even though it meant the wasted work and that they had to come back the next day with the new IDU. Anyway, the final install all went well, and they were very friendly and respectful of the property and explained all the install details as they went (sorry Melvin, for all the pestering!) I'm very happy with the company and the installer's knowledge and professionalism. RECOMMENDED!"
Mark Q on October 2025
We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule an estimate today!
"Edmond responded right away and listened to my explanation of the issue over the phone. It was Friday afternoon and we both agreed the issue was non-urgent so we scheduled an early Monday morning visit. He showed up at 8a sharp as we agreed and he did a thorough check of our AC system. Edmond is very knowledgeable and he explained everything thoroughly. He gave me a couple of suggestions. I’m pretty handy so I’ll try to tackle it myself. He said to just call him if I get stuck and he could either come back out or coach me over the phone. Pricing is reasonable and quality of service is top-notch. I’ll keep them on speed dial and I highly recommend Hecomo for HVAC service!"
Reed G on July 2025
We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule an estimate today!
"Edmond responded right away and listened to my explanation of the issue over the phone. It was Friday afternoon and we both agreed the issue was non-urgent so we scheduled an early Monday morning visit. He showed up at 8a sharp as we agreed and he did a thorough check of our AC system. Edmond is very knowledgeable and he explained everything thoroughly. He gave me a couple of suggestions. I’m pretty handy so I’ll try to tackle it myself. He said to just call him if I get stuck and he could either come back out or coach me over the phone. Pricing is reasonable and quality of service is top-notch. I’ll keep them on speed dial and I highly recommend Hecomo for HVAC service!"
Reed G on July 2025
GAC Services is a residential cooling, heating, and electrical contractor setting new standards in the Maryland HVAC and electric market. Since 1970, we’ve developed a strong reputation for providing the Montgomery County and Frederick County areas with reliable cooling and heating services. In 2014, we expanded our service offerings to include electrical services—allowing us to offer our customers the same great service in a new area of business. Additional DBA: Gaithersburg Heating & Cooling
"Highly professional, knowledgeable and well behaved technician. Prices offered were good too. I definitely recommend the company."
Deepak K on February 2025
GAC Services is a residential cooling, heating, and electrical contractor setting new standards in the Maryland HVAC and electric market. Since 1970, we’ve developed a strong reputation for providing the Montgomery County and Frederick County areas with reliable cooling and heating services. In 2014, we expanded our service offerings to include electrical services—allowing us to offer our customers the same great service in a new area of business. Additional DBA: Gaithersburg Heating & Cooling
"Highly professional, knowledgeable and well behaved technician. Prices offered were good too. I definitely recommend the company."
Deepak K on February 2025
Joseph Plumbing & Drain, LLC is College Park's premier plumbing company. Call us for all of your plumbing needs. With 15 years experience we aim to not only meet but exceed your expectations. Call us today and see why your neighbors use Joseph Plumbing & Drain, LLC! Master License 72767
"Very kind and competent. Happy to give my money to a family business instead of one of the plumbing giants. As far as pricing, I had a utility sink faucet and drain replaced, and two shut-off valves and a hose bib installed, and was charged $2,500."
Corey M on September 2025
Joseph Plumbing & Drain, LLC is College Park's premier plumbing company. Call us for all of your plumbing needs. With 15 years experience we aim to not only meet but exceed your expectations. Call us today and see why your neighbors use Joseph Plumbing & Drain, LLC! Master License 72767
"Very kind and competent. Happy to give my money to a family business instead of one of the plumbing giants. As far as pricing, I had a utility sink faucet and drain replaced, and two shut-off valves and a hose bib installed, and was charged $2,500."
Corey M on September 2025
Len The Plumber, LLC. is a leading plumbing and drain company serving Maryland and Washington D.C. Our certified professional plumbers are available same day to assist residential customers in Charles County, Montgomery County, Prince George’s County, and Washington D.C. Our knowledgeable plumbers have years of experience dealing with a wide variety of plumbing issues including plumbing repairs, drain cleaning, water heaters, well systems, heating systems, sewer, water, and gas lines. We’re open 7 days a week with no extra charge on evenings or weekends!
"Tried to schedule a routine maintenance appointment available to customers who signed up for service plans, but Len could not follow through with their commitment three failed/rescheduled appointments in a row!! Each required four hour commitments from the customer. I tried to communicate with dispatch and customer service but unfortunately I don’t think these two departments have an open line of communication between them. I would not recommend for anyone to work with or engage with this company. Len did not follow through on their half of the commitment and disrespected my time as an in office working professional."
Kayla B on July 2025
Len The Plumber, LLC. is a leading plumbing and drain company serving Maryland and Washington D.C. Our certified professional plumbers are available same day to assist residential customers in Charles County, Montgomery County, Prince George’s County, and Washington D.C. Our knowledgeable plumbers have years of experience dealing with a wide variety of plumbing issues including plumbing repairs, drain cleaning, water heaters, well systems, heating systems, sewer, water, and gas lines. We’re open 7 days a week with no extra charge on evenings or weekends!
"Tried to schedule a routine maintenance appointment available to customers who signed up for service plans, but Len could not follow through with their commitment three failed/rescheduled appointments in a row!! Each required four hour commitments from the customer. I tried to communicate with dispatch and customer service but unfortunately I don’t think these two departments have an open line of communication between them. I would not recommend for anyone to work with or engage with this company. Len did not follow through on their half of the commitment and disrespected my time as an in office working professional."
Kayla B on July 2025
When Glenmont Heating & Air Conditioning was founded 28 years ago, we had one goal in mind; providing area families, and businesses with solutions that fit their lifestyles and needs, as well as their wallets. If you have any questions about heating and air conditioning maintenance, a new HVAC system, or are looking into installing a more energy efficient system, Glenmont Heating and Air is the solution to your needs.
"Not Recommended for Thermostat Replacement — Unreasonable and Unfair $700 Charge I do not recommend Glenmont Air Conditioning & Heating for thermostat replacement work. I was charged $700 for a simple thermostat replacement, which I believe was unreasonably high and unfair. I was under the impression that the quoted estimate represented the maximum expected cost only if the technician had to perform additional wiring or complex installation work. If you want to install an Ecobee or any other type of thermostat, you can simply YouTube the installation, which provides step-by-step instructions on how to unwire, label, and rewire to the new thermostat. For my installation, I was under the impression that additional wiring might be needed, but it turned out to be a straightforward swap of the old thermostat with a new Ecobee unit, a process that took only about 15 minutes. Despite that, I was still charged the full amount. The Ecobee Premium thermostat itself costs around $250, meaning they charged nearly $500 just for labor, regardless of how simple or quick the installation is. To make matters worse, the installation only comes with a 30-day warranty, which hardly justifies such a high price. I tried to communicate and explain that this charge was unreasonably high and unfair, but they simply said, “It is what it is.” If you’re considering a thermostat installation, I strongly suggest hiring a professional through Thumbtack, where qualified experts can do the same job for under $150 with transparent pricing and good service. I expected fairness, honesty, and reasonable pricing from Glenmont, but unfortunately, that was not my experience."
Soheil R on October 2025
When Glenmont Heating & Air Conditioning was founded 28 years ago, we had one goal in mind; providing area families, and businesses with solutions that fit their lifestyles and needs, as well as their wallets. If you have any questions about heating and air conditioning maintenance, a new HVAC system, or are looking into installing a more energy efficient system, Glenmont Heating and Air is the solution to your needs.
"Not Recommended for Thermostat Replacement — Unreasonable and Unfair $700 Charge I do not recommend Glenmont Air Conditioning & Heating for thermostat replacement work. I was charged $700 for a simple thermostat replacement, which I believe was unreasonably high and unfair. I was under the impression that the quoted estimate represented the maximum expected cost only if the technician had to perform additional wiring or complex installation work. If you want to install an Ecobee or any other type of thermostat, you can simply YouTube the installation, which provides step-by-step instructions on how to unwire, label, and rewire to the new thermostat. For my installation, I was under the impression that additional wiring might be needed, but it turned out to be a straightforward swap of the old thermostat with a new Ecobee unit, a process that took only about 15 minutes. Despite that, I was still charged the full amount. The Ecobee Premium thermostat itself costs around $250, meaning they charged nearly $500 just for labor, regardless of how simple or quick the installation is. To make matters worse, the installation only comes with a 30-day warranty, which hardly justifies such a high price. I tried to communicate and explain that this charge was unreasonably high and unfair, but they simply said, “It is what it is.” If you’re considering a thermostat installation, I strongly suggest hiring a professional through Thumbtack, where qualified experts can do the same job for under $150 with transparent pricing and good service. I expected fairness, honesty, and reasonable pricing from Glenmont, but unfortunately, that was not my experience."
Soheil R on October 2025
JDL HVAC & Plumbing Services LLC offers a wide range of services to meet your HVAC & Plumbing needs. With offices in both Maryland & Virginia, we serve both residential and commercial clients and specialize in offering a variety of money-saving solutions. Combined with our use of the highest quality parts and equipment and our dedication to delivering exceptional service, we have become known as the HVAC & Plumbing contractor of choice in the DMV area! The mission of JDL is to provide honest, reliable service that stands head and shoulders above the rest. We continually strive to exceed expectations by ensuring that each client receives the very best service from our friendly and knowledgeable HVAC/Plumbing service technicians. No matter what you need you can rely on JDL to provide an unparalleled knowledge, experience and expertise!
"They did a good job"
Richard T on June 2024
JDL HVAC & Plumbing Services LLC offers a wide range of services to meet your HVAC & Plumbing needs. With offices in both Maryland & Virginia, we serve both residential and commercial clients and specialize in offering a variety of money-saving solutions. Combined with our use of the highest quality parts and equipment and our dedication to delivering exceptional service, we have become known as the HVAC & Plumbing contractor of choice in the DMV area! The mission of JDL is to provide honest, reliable service that stands head and shoulders above the rest. We continually strive to exceed expectations by ensuring that each client receives the very best service from our friendly and knowledgeable HVAC/Plumbing service technicians. No matter what you need you can rely on JDL to provide an unparalleled knowledge, experience and expertise!
"They did a good job"
Richard T on June 2024
We have been in business for 30 years right here in Howard County. As a Master Plumber and Gas Fitter, Mr. Ehrhardt takes pride in getting the job done right the first time. He believes in keeping his staff trained and up to date with the latest codes and newest products. Mr. Erhardt supports the local community and invites you to do the same. For the past 30 years, Ehrhardt has been doing plumbing and gas work in the nearby neighborhoods and local businesses. We're licensed, insured, and trained professionals specializing in all things plumbing and gas. From repairs, installations or renovations, residential or commercial, water heaters, sewers, well pumps, toilets, faucets, clogs, drains, sewer cameras, sump pump, garbage disposal, toilet, faucets, you name it... at Ehrhardt Brothers, we will respond promptly to your calls and provide experienced, trained technicians to service all your plumbing needs. Friendly, Honest, Affordable Knowledgeable, and Locally Owned. Best Plumbers and gas fitters in Howard County and near you. Water heater installation and repairs, Well pump tank installation, gas appliance installation, dishwasher installation, sump pump, water pump, recirc pump, wells, PRV, backflow, and much more. Our mission is to provide reliable, affordable, and top-quality plumbing and gas services to our clients. We believe that everyone deserves access to clean and functioning plumbing, and we're committed to making that a reality for our customers. We want our customers to feel confident in their plumbing and gas systems. Providing quality work in a timely fashion for a fraction of the price. Work done right, all the time. Servicing all of Howard County from Ellicott City out to Laurel. We are the best plumber for your needs. Whether you need a simple faucet installation or complete sewer line replacement, we offer a wide range of residential and commercial plumbing and gas services to meet your needs.
"Rob and his helper did an outstanding job."
Darrell M on April 2025
We have been in business for 30 years right here in Howard County. As a Master Plumber and Gas Fitter, Mr. Ehrhardt takes pride in getting the job done right the first time. He believes in keeping his staff trained and up to date with the latest codes and newest products. Mr. Erhardt supports the local community and invites you to do the same. For the past 30 years, Ehrhardt has been doing plumbing and gas work in the nearby neighborhoods and local businesses. We're licensed, insured, and trained professionals specializing in all things plumbing and gas. From repairs, installations or renovations, residential or commercial, water heaters, sewers, well pumps, toilets, faucets, clogs, drains, sewer cameras, sump pump, garbage disposal, toilet, faucets, you name it... at Ehrhardt Brothers, we will respond promptly to your calls and provide experienced, trained technicians to service all your plumbing needs. Friendly, Honest, Affordable Knowledgeable, and Locally Owned. Best Plumbers and gas fitters in Howard County and near you. Water heater installation and repairs, Well pump tank installation, gas appliance installation, dishwasher installation, sump pump, water pump, recirc pump, wells, PRV, backflow, and much more. Our mission is to provide reliable, affordable, and top-quality plumbing and gas services to our clients. We believe that everyone deserves access to clean and functioning plumbing, and we're committed to making that a reality for our customers. We want our customers to feel confident in their plumbing and gas systems. Providing quality work in a timely fashion for a fraction of the price. Work done right, all the time. Servicing all of Howard County from Ellicott City out to Laurel. We are the best plumber for your needs. Whether you need a simple faucet installation or complete sewer line replacement, we offer a wide range of residential and commercial plumbing and gas services to meet your needs.
"Rob and his helper did an outstanding job."
Darrell M on April 2025
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