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.
You don't think about your water heater. Not when you're taking a shower, not when you're running the dishwasher, not when you're washing your hands on a cold morning. You think about it the moment it stops working — standing in a freezing shower at 6 a.m., realizing today is going to be a different kind of day. We'll come out, diagnose what's going on, and give you a clear plan. If it's a repair, we handle it on the spot. If it's a replacement, we'll walk you through your options, order the right unit for your home, and get it installed as quickly as possible.
If you're weighing a tankless system, we'll give you a straight answer about whether it makes sense for your household. Tankless works beautifully in the right setup. In the wrong one, it's an expensive disappointment. We'll look at your home's gas line capacity, your hot water demand, and your budget — then tell you what we'd actually do if it were our house.
Northern Virginia water is safe to drink but it's hard. That hardness builds scale inside your pipes, your water heater, your dishwasher, your coffee maker. A whole-house softener or filtration system isn't a luxury — it's maintenance. It extends the life of every appliance and fixture water touches. We test your water, explain what's in it, and let you decide what level of treatment makes sense.
We'll tell you honestly whether a repair makes sense or if it's time for a new unit — and we'll explain exactly why.
tankless water heater installation
Rinnai tankless — endless hot water, compact footprint
whole house water filtration and conditioning system installation
HALO 5 whole-house filtration — installed in Fairfax
water heater installation or repair
Water heater swap — our Fairfax team handles it start to finish
Diagnose and repair malfunctioning water heaters.
Remove existing water heater and install a new unit.
Install a new water heater system.
Perform inspection and routine maintenance.
Flush sediment from tank water heater.
Repair leaking fittings, valves, or tank connections.
Install tankless on-demand water heater.
Repair malfunctioning tankless water heater.
Replace an existing tankless water heater unit.
Routine maintenance and inspection.
Flush tankless system to remove scale.
Diagnose system errors.
Install filtration system treating water entering entire home.
Replace existing whole-home water filtration system.
Install under-sink filtration system.
Replace under sink filtration system.
Install RO purification system.
Repair leaks or filtration problems in RO systems.
Based on 116 reviews
“Called Pioneer Plumbing for estimate to replace water heater. Estimate reasonable and got booked for the next day. Ryan, our technician called to let me know he was on the way and did an excellent job installing the water heater keeping me updated on his progress. Will definitely use Pioneer Plumbing again.”
Donna Green
in the last week
“We had a great experience with Pioneer Plumbers, it was easy to book an appointment and Max arrived right in the window. Max did an excellent job quickly diagnosing the issue and fixing it. Very professional, I would recommend pioneer plumbers.”
Rachel Goldhaber
in the last week
“Ryan and Ben did a great job on a tricky issue with our water heater exhaust vent. They both communicated super well and cleaned up the space neatly when they were done. Thanks guys!”
Mitchell Irvin
a week ago
“Great service, responsive and efficient. Max was very professional and friendly, took the time to explain what the issues were and our options. He did a full toilet replacement same day, highly recommend Pioneer Plumbers!”
Lisa Kim
a week ago
Need water heating & filtration help in your neighborhood? Find your city below for local availability and service details.
We repair and replace water heaters same-day when possible. Tell us what's going on and we'll take it from there.
