M.E. Flow

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About M.E. Flow
M.E. Flow operates as a full-spectrum HVAC contractor serving Leesburg and surrounding Northern Virginia communities, including Alexandria, Arlington, Ashburn, Fairfax, and Sterling. The company maintains 24/7 availability across all seven days, handling both routine installations and emergency repairs for residential and commercial clients. With a rating of 4.8 stars from 3,852 verified reviews, M.E. Flow has built astrong reputation for responding quickly and completing work to the customer's satisfaction before moving to the next assignment.
What distinguishes M.E. Flow from typical HVAC contractors is their diversified service model and brand partnerships. They are an authorized Lennox dealer and install Weil-McClain boilers, giving homeowners access to premium equipment through a single service provider. Their Earth Month Special links every $49 tune-up to a tree planted through the One Tree Planted initiative, appealing to eco-conscious homeowners. The company also offers a Home Comfort Club maintenance plan that bundles annual inspections for HVAC, plumbing, and electrical systems into one predictable subscription.
Customer reviews consistently mention specific technicians and scenarios that illustrate M.E. Flow's service approach. Guillermo arrived promptly for a plumbing inspection and additionally helped a customer carry a heavy plant indoors, earning high marks for professionalism. For another homeowner with a complex aging in-floor heating system, technicians Alex, Emerson, and Elmer diagnosed and upgraded the entire system. James, a sales rep, coordinated a same-day water heater installation for Steven Curry, with Jake and his partner completing the work cleanly and efficiently. Walter resolved a leak in an old pipe efficiently for Jocelyn Ponce-Lopez, earning a five-star rating.
What Customers Say
Multiple reviewers highlight the comprehensive coverage included in the maintenance plan, with Ajay Batra noting the bundled electrical and plumbing inspections. Guillermo receives specific praise for going beyond the service call to assist with moving a plant, while James earns recognition for coordinating rapid same-day installation scheduling. The majority of negative sentiment centers on pricing concerns, though positive reviews emphasize diagnostic skill and thorough cleanup.
Working Hours
| SundayToday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Services
AC Repair & Installation
Cooling system diagnostics, repairs, new unit installations, and maintenance tune-ups for all major brands including Lennox systems.
Heating & Furnace Services
Furnace repair, replacement, and heating system maintenance for residential and light commercial applications.
Heat Pump Systems
Installation and repair services for traditional and ductless mini-split heat pump configurations.
Boiler Services
Weil-McClain boiler installation, repair, and maintenance for radiant heating and hot water systems.
Indoor Air Quality
Air cleaners, scrubbers, humidifiers, dehumidifiers, and carbon monoxide detection for healthier home air.
Plumbing
Drain cleaning, water leak detection, water heater services, fixture installation, and backflow testing.
Electrical
Circuit breakers, panel upgrades, EV charging stations, home generators, and smart home wiring.
Maintenance Plans
Home Comfort Club annual subscription covering scheduled HVAC, plumbing, and electrical inspections.