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Reverse osmosis in Washington, DC
12 companies serving Washington, DC that list reverse osmosis on their own websites, in alphabetical order.
Brian B. Quick Plumbing
A Maryland plumbing company with Beltsville and Reisterstown offices that offers water treatment in Washington, DC and Baltimore. It installs whole-house filters on the main line and water softeners, and maintains reverse osmosis and cartridge systems.
Cherry Blossom Plumbing
An Arlington plumbing company serving Northern Virginia and Washington, DC. It offers free water testing for hardness, chlorine and sediment, then sizes whole-home carbon or sediment filtration, softeners or reverse osmosis to the results.
ClearWave Water Solutions
A Virginia water treatment company with an Arlington office and a Washington, DC service page. It offers free water testing, softener installation, reverse osmosis drinking water systems, whole-house filtration, salt-free conditioners and UV disinfection.
F.H. Furr Plumbing, Heating, Air Conditioning & Electrical
A Northern Virginia home services company with a DC Metro water treatment page. It installs water softeners, reverse osmosis units, point-of-use filters and point-of-entry whole-house filters.
Hague Quality Water of Maryland
A family-owned Maryland water treatment dealer whose Washington, DC page covers both municipal and well water. It offers free water testing, softeners, reverse osmosis, whole-home filtration, well treatment including UV, and commercial systems.
JM Plumbing & Heating
A Northern Virginia plumbing company whose water page covers whole-house filtration and multi-stage reverse osmosis for kitchen sink or refrigerator drinking water, with service in DC, Maryland and Northern Virginia.
Len The Plumber Heating & Air
A plumbing and HVAC company with Silver Spring and Beltsville offices that has a Washington, DC service area. It installs whole-house filtration and softeners, and for well homes it tests water and installs filtration, softening, disinfection (including UV) and reverse osmosis.
Mallick Plumbing & Heating, Inc.
A Montgomery County plumbing company that says it serves parts of Northwest Washington, DC. It installs and services softeners (including commercial softening), whole-house filtration, reverse osmosis and UV, and tests municipal and private well water.
National Water Service
A Maryland water treatment and plumbing company that says it serves all of Washington, DC. Its DC page covers compact softeners for condos and townhomes, catalytic carbon filtration for chloramine, reverse osmosis and free in-home water testing; it also handles well water and commercial systems.
Plumber In DC
A DC plumbing company that says it serves the whole District. Its services include installing water conditioning and filtration systems and reverse osmosis, along with general plumbing.
Pristine Water Treatment
A Stafford-based water treatment company that lists Washington, DC among its service areas. It offers free in-home and paid lab water testing, softeners, iron, sulfur and acid-neutralizer systems, reverse osmosis, whole-house carbon filtration and UV for wells, and repairs most makes.
Sila Heating Cooling Plumbing
A heating, cooling and plumbing company serving DC, Maryland and Virginia. It installs whole-home filtration at the main line, point-of-use filters, reverse osmosis and water softeners after hardness and water-quality testing.