Water Heating & Filtration in Arlington & Alexandria, Virginia

No hot water this morning? Hard water ruining your fixtures? We repair, replace, and install tank and tankless water heaters — plus whole-home filtration, softeners, and reverse osmosis systems.

Call (703) 508-3088
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Why Arlington & Alexandria Homes Need Water Heating & Filtration Experts

Hot water delivery in Arlington and Alexandria's older homes was often an afterthought in the original design, with water heaters tucked into basement corners connected by long, uninsulated copper runs that waste energy and make you wait a full minute for hot water at the kitchen sink. We solve this with strategic recirculation loops, point-of-use tankless boosters, and insulation retrofits that dramatically improve both comfort and efficiency. On the filtration side, Alexandria's independent water system and Arlington's supply from Washington Aqueduct both benefit from point-of-use carbon filtration that removes residual chloramine taste, which is a particular concern in older buildings where internal plumbing may leach trace metals into standing water.

Arlington and Alexandria's housing stock was designed in an era when a single 30-gallon tank in the basement was considered adequate for a family. Today's expectations for instant hot water, multiple simultaneous showers, and filtered drinking water at every tap require thoughtful system design that works within the physical constraints of these older buildings.

Long, uninsulated hot water runs in pre-war Arlington and Alexandria homes waste significant energy and create wait times of sixty seconds or more at distant fixtures, frustrating homeowners who expect instant hot water.

Older buildings in Alexandria with lead solder joints or galvanized risers benefit from point-of-use filtration that captures trace metals leaching into water that sits in these aging pipes overnight.

Basement water heaters in historic homes often lack modern safety features like expansion tanks and seismic straps, and retrofitting these in tight, century-old mechanical rooms requires creative problem-solving.

Our Water Heating & Filtration Services

Every service below is available to Arlington & Alexandria homeowners with a written estimate before work begins and our workmanship guarantee.

Water Heaters

Water Heater Repair

Diagnose and repair malfunctioning water heaters.

Water Heater Replacement

Remove existing water heater and install a new unit.

Water Heater Installation

Install a new water heater system.

Water Heater Maintenance

Perform inspection and routine maintenance.

Water Heater Flushing

Flush sediment from tank water heater.

Water Heater Leak Repair

Repair leaking fittings, valves, or tank connections.

Tankless Water Heaters

Tankless Water Heater Installation

Install tankless on-demand water heater.

Tankless Water Heater Repair

Repair malfunctioning tankless water heater.

Tankless Water Heater Replacement

Replace an existing tankless water heater unit.

Tankless Water Heater Maintenance

Routine maintenance and inspection.

Tankless Water Heater Flush Service

Flush tankless system to remove scale.

Tankless Water Heater Error Code Diagnosis

Diagnose system errors.

Water Treatment

Whole House Water Filter Installation

Install filtration system treating water entering entire home.

Whole House Water Filter Replacement

Replace existing whole-home water filtration system.

Under Sink Water Filter Installation

Install under-sink filtration system.

Under Sink Water Filter Replacement

Replace under sink filtration system.

Reverse Osmosis System Installation

Install RO purification system.

Reverse Osmosis System Repair

Repair leaks or filtration problems in RO systems.

Google Reviews

What Arlington & Alexandria Homeowners Say

5.0

Based on 133 reviews

Quick, responsive, and professional. I contacted Pioneer Plumbing for a clogged kitchen drain. They were able to schedule a tech for the next morning. The technical arrived within the scheduled timeframe. He had a commercial grade snake and was able to clear the drain within an hour. Pricing was comparable to other places that were able to give me an estimate without having to assess it. (I was detailed on my request for quotes, clearly stating that I checked the disposal was working, it draining fine with the p-trap off, clearing the p-trap, seeing the air trap bubble up when the sink got full, etc.)

Tony Wu

in the last week

Excellent service and workmanship. Mark was exactly what someone should expect in service.

Tim Trudell

in the last week

Max was very knowledgeable, and professional when it came to fixing my outdoor vacuum breaker! He was also on time and finished with the replacement very quickly! I'm very happy with their service.

Jenifer Leake

in the last week

Great team effort and a quick response. Max replaced our water heater and was quick and efficient while also having to move our washing machine out of the way and then putting it back. Highly recommend!

brenda brophy

in the last week

Need a Plumber in Arlington & Alexandria?

Small plumbing problems don't stay small. A dripping faucet wastes 3,000 gallons a year. A slow drain becomes a sewage backup. A pinhole leak behind your wall becomes mold and drywall damage.

Pioneer Plumbers has been protecting Arlington & Alexandria homes for years. Call us or book online, we'll send a technician to diagnose the issue, explain your options, and provide an honest quote before any work begins. No pressure, no obligation, and every job is backed by our workmanship guarantee.

Call (703) 508-3088
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