M.E. Flow, Inc.
7th year as a Best Pick
certified company
Based on 700+ reviews
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Best Pick Guarantee
Verified License(s)
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Verified Workers' Comp
7th year as a Best Pick Call
"We are family owned and operated and committed to carrying on the family tradition of excellence for our customers and employees. We are dedicated to always providing the best in service and satisfaction. The reasons customers used us in 1951 are still true today."

Scott Goulet | President
Company Information
Services Offered
M.E. Flow provides service, preventive maintenance, repairs, and sales and installation of furnaces, boilers, heat pumps, air conditioners, ductless heating and cooling systems, zoning systems, and oil conversions. The company offers financing and whole-home solutions for humidification needs, air cleaning, carbon monoxide detection, dust control, and mold. M.E. Flow specializes in replacing and installing heating and cooling systems and offers no-obligation estimates for HVAC system replacements.
The company offers a one-year warranty on all service work and a full ten-year warranty for new HVAC systems that includes parts and craftsmanship.
Company History
M.E. Flow was established in 1951.
Employee Information
M.E. Flow employs NATE-certified technicians. All employees wear uniforms, drive marked vehicles, and undergo background checks and drug testing.
Areas Served
Prince William, Fairfax County, Loudoun County, Arlington County
A selection of 700+ homeowner reviews:
“The M.E. Flow technician came to my home to inspect my gas heaters and to take care of a problem. The technician did a fantastic job. He quickly discovered the cause and fixed it on the spot. In addition to being very knowledgeable and technically competent, he was also very considerate and a great conversationalist. I highly recommend M.E. Flow—A+.”
“Outstanding—he took time to answer questions and do a thorough check. He was very knowledgeable and made some adjustments that no one else had thought of, and the furnace is working the best it ever has.”
“I have used M.E. Flow for HVAC services since about 1977. They have been unfailingly expert and reliable—A+.”
“The tech was highly knowledgeable and intent on providing the best solution. I couldn't have asked for a better experience.”
“Technician Fabian is knowledgeable, thorough and friendly. M.E. Flow has been my HVAC provider for thirty-plus years.”
“Technicians were very efficient in servicing our heating and air conditioning units. Gave us important points on how to keep our unit in good working condition.”
“Have used for years. Satisfied. I have a contract with them, which helps to make sure I get service when needed.”
“New/replacement install in July 2015. First rate on equipment and installation. We had a tight spot to put the new air handler in, but the installers figured it out. The first digital thermostat wasn't working properly, and the original technician that installed it really didn't know what he was doing. I asked for someone else to come out to fix it, and he was right on target. Recognized it was a faulty thermostat. We had a new one in just a few days. With the HVAC install, we were supposed to have a one-year maintenance agreement. That never got set up. When I realized this and contacted M.E. Flow about 10 months later, they fixed it and set us up for the following year as a replacement. Overall, we are very happy so far.”
“They double-checked everything they did, and they had some considerable expertise. They had supervisors check the work and make sure it was correct. They installed a heat pump and repaired another heat pump. I chose them because they sounded good. I had an interview with them, and they made an offer. I would give them an A.”
“I know we've been pleased. They've been professional, and they've done a very nice job so far. We like the customer service. We haven't had any issues with their work. They've done some maintenance work. They actually replaced one of our systems, they've done a couple of checkups, and they've done maintenance. It was all HVAC work.”
“They know what they're doing. The job was an HVAC check, and they made sure that the HVAC system is working to specification. They're friendly people. They come in here twice a year, and they do the work quickly and efficiently. They're out of here in no time. There's a contract in this building with them. They're an A+.”
“The service was very good, and the people are very nice, so I like it. Everything was very good. I remember that everything was very smooth and very good. Over all, it's very good. They get an A+.”
“They're very good as far as I can tell. They're here on time, they work, and they're polite. Everything was really good, and I was pleased. They had to do an inspection of the heating and cooling systems. They had to come back and put in a tray to catch water in case something leaked and flooded. There was some other little part they had to do, and they showed it to me. They were recommended to me by a friend of mine. I lived here before and had used them, but then I moved to Colorado, so when I came back, I just called them again. So far, from what I saw, it was A-grade work. I was certainly pleased. I'd give an A grade for the person that came to inspect. He explained things to me that I didn't understand exactly, but it sounded good.”
“They got everything installed in the first day, they left the place very clean, and things are operational. They did HVAC work and put a new hot water tank in. I would recommend them. They've done work for me over the past 30 years.”
“They get here on time. They've just always done a good job for us. They did air conditioning. They did maintenance on two units. They installed them for me as well. I've used them for 20 years. They get an A grade from me.”
“They're on time, they do good work, and if I need them to come back, they come back. They clean up after they're finished, so I like their work. They put in an air conditioning and heating system. I found them in the Best Pick Reports. I would recommend them. It's an A-grade company.”
“I just had them do one service call so far; it was just preventative maintenance. They were on time and professional, and they did what they were supposed to do. They did some preventative maintenance; that was the service agreement I set up with them. It was for HVAC work. I'd give them an A.”
“They were efficient and on time. Everything was fine. They just did maintenance for the HVAC. The customer service was fine. I am happy with the service. I chose them because of a recommendation from a neighbor. I'd rate them as an A. I told them I would call them again.”
“It was a father and son who came in. The father knew the business. The son was going to a trade school and was also learning this business. The son did most all the talking, but they were very cordial and very pleasant, and they showed me everything. They were just nice all the way around, they didn't leave a mess, and they looked like they knew what they were doing. I was here with them in the same room from seven o'clock in the morning until they left here, just about three o'clock in the afternoon. I've got nothing but good things to say about them. They put in a brand-new furnace for me.”
“I like it. They are very nice. Their guy who came for installation was very cooperative. They asked me everything, and they did a good job. I would recommend them. I would give them an A.”
“I had interaction with them before, so I knew a lot about them. We used them at the company I worked at, so I just trust them. My heater went off overnight, so I called them to come out and check it. They found out that the igniter went bad. It was great. I just called in, and they had no problem answering the questions and getting somebody lined up for me. They're an A-grade company.”
“They did a good job. They were very knowledgeable. We had a whole-house humidifier installed. I'd rate the company as an A.”
“They met their obligation on the cost estimate and the schedule of the installation for the furnace and air conditioner I had put in. They stayed until the work was complete and checked everything out to make sure it was functioning properly. I've had past experiences with them before, buying parts and having some minor service over the years, so I was familiar with them. I would recommend them and give them an A.”
“I was thoroughly impressed with M.E. Flow. It was our first time using them, and we loved them. The serviceman was very nice, very knowledgeable, and respectful. He explained how our system worked and how to properly maintain it, and I felt that he was very honest and informative. He checked everything out for the summer and got the system all geared up. They get an A+.”
“M.E. Flow was awesome. There weren't any surprises; it was an all-around good experience. We needed some new parts for the fan in the air conditioner, and they took care of everything. They definitely earned an A grade.”
“I liked their overall appearance, from the cleanliness of the vehicles they showed up in to the uniforms the guys were wearing. They were very informative throughout the process. From beginning to end, it was a positive experience. I'd give them an A+.”
“They did quite a bit of work for me, and it went fine. They ended up having to replace our entire furnace. I think everyone else in our neighborhood had theirs replaced about five or six years earlier, so I knew it was coming. I was happy with their work. I know a little bit about that kind of work and I thought they did fine. They did well. I'd say they were excellent, because I have no complaints. We had a tight fit in one area, and they had to go through some bushes, because the compressor barely fit. They navigated that well, though. It was all good.”
“M.E. Flow takes care of all our heating and cooling needs. We have a service contract with them, so I would give them an A+ rating.”
“M.E. Flow fixed a furnace problem for me. The work was quite acceptable. It has held up nicely so far, and they were upfront about the potential life of the repair. I'd give them an A rating. They were called to assess a problem that had actually been diagnosed by someone else, but I didn't care for the other company's solution. They gave me an adequate solution and the pros and cons of it, and then, they came out and fixed the problem. They appeared to be pretty straightforward. They were also very pleasant to work with.”
“We've used M.E. Flow for heating and air. They have been good. We have been using them for about two years. I'd give them an A.”
“They were honest about when they would come and what they would do. They guy was pretty courteous and helpful. It was good—I was happy with the service. They replaced the heating and air conditioning sensor. They didn't need to do the A/C until spring, so they turned the breaker switch off. I was having a problem with my thermostat, so they kind of reset it and stuff. They came out and assisted me with the thermostat. They got it going, and they earned an A.”
“The work was fine. I think I called them once with a question, and that question got answered. I think I chose them because of the advice somebody gave me. I had someone come out to see if the previous system could be repaired or not. They thought it could and advised me to go with M.E. Flow. We used them, and it worked. I would give them an A, because it worked. There was a second thing I called them about, too—for the filters, and I got a good answer. It's clearly working, and there have been no problems.”
“Everything went fine. M.E. Flow is a good company, and they did a great job. They installed a furnace and air conditioner for me. I've been with them for years. The one I had was bad, so they just put in a new one. I would give them an A grade.”
“I came home from out of town, and my furnace was dead. It was all old—the furnace, the air conditioner, and the water heater. I'd give them an A because they were good.”
“Everything went great. They replaced an air conditioning unit. It's been 10 or 15 years, but I would rate them as an A.”
“They're a very good company. We had a new air conditioner put in a year ago, and they come and check on the furnace. I'd give them an A.”
“Everything went fine—there were no problems. They did a maintenance check on the furnace and air conditioning unit. I would give them an A.”
“We had the whole heating and air conditioning replaced, and it seems to be working now.”
“Overall, M.E. Flow was good. They replaced my air conditioner and my heater, and I would give them an A.”
“They fixed the air conditioning, and everything went fine. M.E. Flow gets an A.”
“They are very responsive, and they have great communication. They thoroughly cleaned the problem and the solution. They are fully transparent in their pricing, too. I have used them a lot over the last five or six years. They've done a lot of HVAC work for me—the air conditioner, ventilations, repairs, and programming the thermostat—and I've had them do some plumbing work, as well. The last time they were here was for an air conditioning service. It was general maintenance—I have a contract with them. I found them through a referral from a friend. They clean up well after their services, and I find them to be respectful of my home. I would definitely give them an A.”
“We have a policy to have our air conditioning and furnace checked every year. A long time ago, we had to have a furnace put in. We had a water heater put in a few months ago, and I would say they did excellent work. There was a time, though, when our furnace went off, and they sent a couple of fellows who didn't get it checked right. They finally sent out one gentleman who stayed all day and took everything apart, and he found the problem. I'd have to say they do good work.”
“M.E. Flow has been very awesome. They are always reliable; they always come through when they say they will. Their technicians always seem to be fully aware of what issues we could be having with the systems. They're well trained and friendly. I definitely would recommend them—they're an A+.”
“We started doing business with M.E. Flow 20 years ago. They put in a heat pump for us. We've been very pleased with their work. They deserve an A+. The workers are very professional, very courteous, and respectful of keeping things clean while going in and out of the house. I'd recommend them to anybody.”
“We used M.E. Flow for air conditioning work. They actually found out what really needed to be replaced. Another company basically wanted us to buy a whole new unit. It's been working fine the last two years. I'd give them an A+ grade.”
“They did an air conditioning and heating inspection for me. They're very reliable, and they do excellent work the first time. If you need to call them for an emergency, they're very responsive. I highly recommend them. They're the company to call—I got rid of the company that originally installed my system and had the warranty on it because of M.E. Flow. A+.”
“We always have a positive experience with them—they're really good guys, and they really work hard. They put in a heating and air conditioning unit, and I would absolutely recommend them. Given the number 10 being the highest, I'd give them a 10-plus. I would absolutely give them an A+.”
“I thought they had good service. I'm a real estate agent, so I recommend them. They've done new heating and air conditioning—we own several properties, and they've done several of them. The workers are excellent. I'd give them an A+.”
“M.E. Flow did some work for me in the past. They were on time, and they serviced my air conditioner and cleaned out the lines or something like that. As far as I can tell, it was high-quality work. I would recommend the company. They get an A+.”
“M.E. Flow installed an air conditioner for me. They did a good job, and I'm very satisfied. It's been running, so they did great. They're competent, knowledgeable, friendly, and hardworking, and they cleaned up after themselves. Also, their customer service was excellent. They're coming out to do a winterizing check very shortly. I would give them an A in this case because they did a fine job.”
“M.E. Flow was wonderful. The latest thing they did was install an air conditioning system in my house. That was a pretty big thing—to do it up in the attic and all that. They were just very, very good, efficient, and caring. They made sure I didn't mind where they put a hole in the wall. They were just really, very good, and I would use this company again. They're local here, and they're a big company here in our area. What makes them stand out is that they just seem to be a very caring group of people. I had no problem, no question whatsoever. They're very good and efficient, and I would recommend them to other people.”
“M.E. Flow does—on a scale of one to five, with one being the lowest and five being the highest—a 4.8. They come in and inspect the heating and the air conditioning, and they do a very good job. We've been with them for five years, and we have an annual contract with them. The quality of work is the best in the area. I'd give them an A+.”
“M.E. Flow did some work for me, and their service was great. The technician, Rick, that I usually call and ask for, is an incredible service guy. I kind of give him a break—because sometimes they get overwhelmed and their shifts are late because of them being on call 24/7—but as far as service, they're great. I have no problems. I bought a rental property, so that's who I call each time for any HVAC problems before I call anybody else. They're an A+.”
“I've actually used M.E. Flow a couple of times, and I think they're a good, reputable firm. They were timely, their work was done as proposed, and the quality of work was excellent. They replaced my air conditioning unit about six months ago, and it's held up just fine since then. Their knowledge and expertise were good, and the cleanup was good. The time frame they finished the work in was good. I would use this company again, and I'd recommend them. I'd rate them an A+.”
“They have maintained the heating and air conditioning. We have had them for several years, and they've given me excellent service. Their quality of work is excellent. Give them an A+ for me.”
“The work M.E. Flow did was excellent—just very thorough, very courteous, and prompt. I would give them an excellent rating. I believe this last time, they came to check our cooling unit and make sure that it was functioning correctly for the summer. They winterized the visit prior to that, I believe. I think they came out and checked that for me last spring, too. They've been out twice in the last year. I continue to use them because they're reliable and they follow through. They're just very dependable. They finished the work in a reasonable amount of time, and I would absolutely use them again. They get the top grade.”
“They're coming in October—we're on a service contract. M.E. Flow is a great company. They do our fall and spring maintenance, and they replaced our air conditioner's outside unit once. They're very good, they're timely, and they come here when they say they're going to be here. I'd give them an A+ rating. They started out with a quote, and they stuck to the quote. The cleanup's excellent. They're just a very good business, and I would recommend them to anybody.”
“They're excellent. We're on a maintenance plan, and they checked the heating and the air conditioning system. They're very, very proper, they are very educated, and they're truly good workmen—they know what they're doing. It's definitely an A+.”
“I have used M.E. Flow for heating and air—I've been using their service for about five years. They're the best in the area that I've encountered. I've had a number of different heating and air conditioning people, and they're by far the best. I would recommend their service. They tell you up front what they're going to do, and there are no extra charges. They do the job right. I'd rate them an A+.”
“I had a positive experience with M.E. Flow. They put in a new A/C unit for us, and they were quick and efficient—they did a good job. The quality of the work was very good. I'd recommend them. They were an A+.”
“I had a positive-plus experience with them. They did general maintenance for both heating and air. I thought that they were very, very responsive, knowledgeable, and professional. They conveyed confidence, and they did a good job. A+.”
“I had a positive experience with them. Anything I needed for the heating and air conditioning, they took care of. They were very professional, and the cleanup was very good. I would give them an A+.”
“I had a positive experience with the company. They worked on the heating unit. The quality of the work was very good—it is still running. The technicians that came out were fine, and I would recommend M.E. Flow. They're an A+.”
“We have had M.E. Flow for probably as long as they have been in the area. We see them twice a year for the checkups, and if we ever need anything, they come right away when we call. We are happy. I have stuck with them for so long because they are reliable. I feel the knowledge of the workers who come out is good, and I have not encountered any bad experiences whatsoever. When it comes to things like heating and air conditioning, you like people to actually show up, and they do. I will go with the A+.”
“They serviced my furnace, and I am totally satisfied. I would say the customer service was fine. I will give it an A+.”
“The work had to do with my HVAC system, and it's all positive. I have a maintenance agreement with them, so they service the system, and any time I have any other issues, they come out for that, too. This is a recommendable company. They respect my property, and the cleanup is very good. I would say it's an A+.”
“I've used M.E. Flow before—they've been around a long time. They were efficient and very knowledgeable. They've done several things, like replacing the heating and air conditioning. Everything has held up very well, so I have not had to call them back. I liked the convenience, and I've never had communication problems with them. I would very likely use them again. I'd rate them an A+.”
“We had some issues with the A/C, so they had to fix it. I remember having a positive experience with M.E. Flow. We never had an issue with them, and the person who came was very courteous. He knew what he was doing, and he fixed it in the same visit, so we didn't have any issues of going back and forth. We didn't have to call anyone after that since it's working. I would give them an A+.”
“The technician that worked on my air conditioning system has been here two or three times. He's very good to work with—he understands the problem and does a good job. Everything has held up very well, and I would use them again in the future, if needed. I'd give them an A+. They always come in a reasonable time frame, and they also do a good job. I've never had to have them come back and redo anything—they always get it done right the first time.”
“M.E. Flow has done a number of things for me, and they do very good work. Twice, they have replaced my furnace, and the last time, they rebuilt the duct system for a combined system with air conditioning. The quality of the work was good, and the technicians were nice. I would recommend them. They deserve an A+.”
“M.E. Flow did work on my heating. The technicians are very professional, and if you don't need something done, they don't do it. They are very honest and good workers. I have used them once before. They are very, very honest and professional, and they come when they say they're coming. I would give them an A+.”
“They came recommended by some friends, and I had a positive experience. We have a service contract to look at our furnace and air conditioner in the spring and the fall. The technicians seem to be knowledgeable about what they're doing, and I think the customer service is fine. A+.”
“They did the furnace, and the quality of the work was very good. They finished the work in a reasonable amount of time. I would recommend M. E. Flow. A+.”
“We have a maintenance contract with them to inspect our heating and air conditioning units twice a year. They come and do a good job. If there's ever been a problem, they've identified it and fixed it quickly. My overall experience with them has been positive, and I would recommend them. I rate them an A+.”
“They did heating and air work, and it was a positive experience. They were fine. They responded in a reasonable amount of time. I would refer them to others, and I'd grade them an A+.”
“We've always had a positive experience with M. E. Flow. I think what they did the last time they were out is they replaced some parts on our furnace. Everything is holding up well for me. I feel like the company was knowledgeable in what they were doing. They're always very friendly, and they are real eager to help with whatever problems you have. I'd say A+.”
“I think we used M. E. Flow for heating. They serviced my furnace and air conditioner for the annual service, and the quality of the work was good. I had no complaints. They completed the work in a reasonable amount of time. I would grade them an A+.”
“M.E. Flow serviced two separate condo HVAC units. The service guys they send out are the most pleasant people possible, and they're very friendly and great to deal with. They're very knowledgeable. I have a contract with them. They did the initial installation for me as well, I think, though I'm not positive about that. I would give M.E. Flow an A+ grade.”
“I used M.E. Flow for HVAC—they're good. The quality of their work was good. The last time I used them, they replaced my heating and air conditioning. It was a couple of years ago, and I felt good about the knowledge of the workers. I would give them an A+.”
“I had a great experience with M.E. Flow. They repaired my air conditioning unit, and the quality of the work was very good. They were able to figure it out within a reasonable amount of time. The technician was great and took the time to really explain what was wrong with the unit in terms I could understand. They'd be an A+.”
“M.E. Flow did some HVAC work for me. They reinsulated my heater in the basement during one visit, and then they did a check over of all the equipment to make sure that it had the proper pressure in all of the connections. Everything is working, and I've been completely satisfied with it. I'd give M.E. Flow an A+, and I would recommend them.”
“M.E. Flow did fine—they did a good job. I think the technician repaired our humidifier in our furnace. He did a nice job, and the quality of the work was very good. It has held up. The technician was very efficient and polite. They responded and finished the work within a reasonable amount of time. I would rate them an A+.”
“M.E. Flow did fine. They did everything that they signed up to do. They have my annual maintenance in the spring and in the fall. In the spring, I have A/C maintenance, and in the fall, I have heating maintenance. They come in and check everything out, and if there's anything wrong, they make appropriate adjustments. I've had three different service technicians, and all of them have been very good. I have no problems at all with the service they provided, and I've had no communication problems at all. They respect my property as far as cleanliness is concerned. I would give M.E. Flow an A+ grade.”
“They replaced our heating system. It was a positive experience and always has been—even when they come and do the maintenance and everything. They always call ahead of time when it's time to do the maintenance when the weather changes. They've always been positive, up front, and right to the point. I've never had a problem with M.E. Flow. They're good at what they say is going to happen. When you set up the appointment for them to come out, they're always on time—they call you ahead of time to let you know they're on their way. And it's courteous—I wish most companies were like that. They deserve an A+.”
“M.E. Flow did routine maintenance and cleaned out the coils and all that stuff for the air conditioning. My experience with them was great—the technician knew what he was doing. I live in a gated community, and I think our whole community uses them. They always refer us to them because nobody has had a bad experience with the company. A+. I would use M. E. Flow again.”
“They have done some annual maintenance on our HVAC unit, and we've always been pleased with them. I would recommend the company—we were happy with their service. I would say A+, no complaints.”
“M.E. Flow changed a component on my heat pump. They also take care of the air conditioning and heating system in my whole house. I'm satisfied with the quality of the work that they did, and the technicians were very professional. They cared about what they brought inside—I am very particular when it comes to cleanliness inside the house, and without being told, they went ahead and put on some plastic booties over their shoes, and I appreciate that. I would grade them an A+.”
“M.E. Flow did some work for me. We had two issues: a heating problem in the winter and an air conditioning problem in the summer. They were courteous and professional, and they came right away. They said they would call before they came, and they did. Their service technicians were kind and extensive—they explained all the issues. They didn't press us to make a sale, and they didn't press us to buy extra services. Every time I have an opportunity, I recommend them to people. I would say they were an A+.”
“I believe M.E. Flow is OK. They fixed the air conditioning and the furnace, and they did a fine job. The quality of work was very good. They're very knowledgeable, and they explained it to my husband very well. They were very good. I'd rate them an A+.”

I've always had a positive experience with M.E. Flow. They've been my heating and cooling company for many years. I've especially been very pleased with one of their technicians. He's been really good to me. They keep my units up-to-date and make sure that everything's working like it should. I trust them wholeheartedly. I'd recommend M.E. Flow to anyone—A+.

M.E. Flow installed a whole new heating and cooling system. It was a huge job. Their service was excellent—everything was excellent. They're an A+.

M.E. Flow did a wonderful job. They're great and dependable. I've been using them for several years. They installed a new heat pump system, and they service my heat pump system and gas furnace as well. When I call them, they come on time, and they do the job right. I'd give them an A+.

I use M.E. Flow for my HVAC. They installed a humidifier. I think their service is very good. I would recommend them to others. Their contractors seem to be very knowledgeable. They were very good about educating me on what they were doing and why.

We had our furnace replaced by M.E. Flow, and everything was fine. They did exactly what they said they were going to do. There was one small issue, and they came back at 10:00 at night to make sure that it was corrected. They did end up correcting that issue for us, and it was a very, very minor thing. They did exactly what they said they were going to do.

For heating and air conditioning, I use M.E. Flow. I've been using them for about 15 years—maybe even longer. We have a service contract and call them when we need them. Any repairs that they've done have held up over time. I feel the workers they send out are wonderful. They clean up after themselves. I would recommend M.E. Flow to others.

For heating, I used M.E. Flow. They've been great. They did general maintenance.

We've used M.E. Flow for heating and air, and they're fantastic. We have a contract. They are always on time. I feel comfortable with them in my home.

For heating and air, we've used M.E. Flow for eight years now. I'm really impressed with their service, the quality of their work, and the quality of the technicians they send out.

I use M.E. Flow for all of my heating and air conditioning work, and I'm happy with them. I have a regular maintenance agreement.

I've used M.E. Flow for both heating and air and plumbing. They just take care of my maintenance for heating and air, and they've done some repair work for plumbing. They've done several things for me, and I've been completely satisfied in every respect.