Open 24/7 Same rate nights, weekends & holidays No overtime fees 4.6 on Google · 282 reviews Call or text (240) 969-4911
Plumber & HVAC in Herndon, VA

Based in Leesburg, VA

4.6 from 282 Google reviews

Plumber & HVAC in Herndon, VA

Plumbing, AC repair, water heater and furnace service in Herndon, VA, available 24/7 with no overtime fees.

Call or text (240) 969-4911

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water heater replacement work, illustration in Herndon, VA

Herndon's Plumber for Every Call

If you need a plumber in Herndon, Brick Street Plumbing Heat & Air is a licensed plumbing and HVAC contractor serving Herndon, VA, handling everything from burst pipes and water heater replacement to AC repair and furnace diagnostics. Tim Martin's team holds dual certifications across plumbing and HVAC, so one call covers both trades. Across 282 Google reviews, Brick Street carries a 4.6-star rating built on straightforward pricing and technicians who explain the repair before they touch anything.

Herndon's housing stock skews older: the median construction year is 1983, and half of owner-occupied homes here were built before 1981. That means galvanized steel supply lines, original copper drains, and HVAC systems that have seen a lot of freeze-thaw winters. Fairfax Water delivers moderately hard to very hard water to Herndon homes, testing between 4.1 and 10.8 grains per gallon, which accelerates scale buildup inside water heaters and supply lines. HVAC permits in Herndon are issued through Fairfax County Land Development Services, and most replacements require a code-compliance inspection. Brick Street's factory-certified technicians handle the permit process as part of the job.

Plumbing and HVAC Services in Herndon

One call covers every system in your home.

All services
furnace repair work, illustration in Herndon, VA

AC Repair

Herndon summers push central air hard. We diagnose compressor faults, refrigerant issues, and failed capacitors, and we carry common parts on the truck so most repairs close on the first visit.

drain cleaning work, illustration in Herndon, VA

Furnace Repair

Northern Virginia freeze-thaw cycles are hard on heat exchangers and ignition systems. We run full furnace diagnostics and tell you exactly what failed before any work begins.

Water Heater Replacement

Water Heater Replacement

Herndon's hard water shortens tank life faster than the manufacturer's warranty covers. We handle tank and tankless units, including gas-to-electric conversions.

Drain Cleaning

Drain Cleaning

Slow drains and sewer backups in older Herndon homes often point to root intrusion or deteriorated cast-iron. We clear the line and tell you whether it's a cleaning job or a repair.

Water Softener Installation

Water Softener Installation

With up to 10.8 grains per gallon of hardness, Herndon water is rough on fixtures and appliances. A water softener extends the life of your water heater, dishwasher, and supply lines.

Sump Pump Service

Sump Pump Service

Herndon sits in a flood-risk area with silt-loam soil that drains slowly. A functioning sump pump is not optional for finished basements here. We install, repair, and test backup units.

AC Repair, Water Heater and Furnace Service in Herndon, VA

The three calls we take most often, handled by one crew.

All services
AC Repair in Herndon

AC Repair in Herndon

When your AC stops cooling in Herndon, our certified technicians find the cause, from a failed capacitor to a refrigerant leak, and fix it. Available 24/7 with no overtime fees.

Water Heater Repair in Herndon

Water Heater Repair in Herndon

Gas, electric and tankless water heaters in Herndon homes, diagnosed and repaired, or replaced when a repair isn't worth the money.

Furnace Repair in Herndon

Furnace Repair in Herndon

No heat in Herndon? Our dual-certified technicians repair gas furnaces and heat pumps, with the same rate at night and on weekends.

Local Knowledge

Why Older Herndon Homes Need Dual-Certified Technicians

A house built in the late 1970s or early 1980s in Herndon often has layers of deferred maintenance across plumbing and HVAC that don't break in isolation. You call about a tripped circuit breaker on the air handler, and the real problem turns out to be a slow water leak that corroded the disconnect box. Most contractors see only their trade. Brick Street's dual-certified technicians hold credentials across both plumbing and HVAC, which means we can diagnose where a problem actually starts, not just the symptom that's visible. Factory-certified status also matters for warranty: manufacturers require factory-trained installation to honor extended parts coverage on major equipment. We don't subcontract the install to a third party and then hand you a warranty card that quietly voids on a technicality. The team that installs the unit is the team that holds the certification.

How a Service Call Works in Herndon

Call any time, same rate

Reach us at (240) 969-4911 around the clock. No overtime charge applies, whether it's a Tuesday afternoon or a Sunday morning in January.

Diagnose before we quote

Our technician walks through the problem, explains what caused it, and gives you a clear scope before any work starts. No surprises on the invoice.

Permitted work, handled start to finish

For HVAC replacements requiring a Fairfax County permit, we file the paperwork and coordinate the mechanical inspection so you don't have to chase the county yourself.

Herndon Water Quality

Hard Water Is Costing Herndon Homeowners Money

Fairfax Water delivers drinking water to Herndon drawn from the Potomac River and Occoquan Reservoir. Testing in 2025 showed hardness levels between 4.1 and 10.8 grains per gallon, enough to leave visible scale on fixtures and, more expensively, to coat the heating element inside a tank water heater. A water heater working against that kind of buildup loses efficiency and can fail years before its rated lifespan. Honestly, if your Herndon home is more than 15 years old and you've never flushed or inspected the water heater, there's a reasonable chance it's already running harder than it should be. A water softener installation upstream of your fixtures is the fix that pays for itself in reduced appliance wear. We can also pair that with an HVAC repair visit if your air handler shows signs of the same mineral buildup on coil surfaces.
ac repair work, illustration in Herndon, VA

The Brick Street Standard for Herndon

What Brick Street commits to on every Herndon call.

No overtime fees, ever
Same rate at 2am as at 2pm, confirmed 24/7 availability.
Dual-certified technicians
Licensed across plumbing and HVAC so one visit handles both.
4.6 stars, 282 Google reviews
A track record built on real jobs, real names, real ratings.
Permit-ready for Fairfax County
We file and manage HVAC permits through Fairfax County Land Development Services.

Common Questions from Herndon Homeowners

What should I do if a pipe bursts during a Herndon winter freeze?
Shut off the main water supply first. Your shutoff is typically near the water meter or where the line enters the house. Then call us at (240) 969-4911. Herndon's freeze-thaw cycles hit supply lines in uninsulated crawl spaces and exterior walls hardest, especially in homes built before 1985 with original copper or galvanized pipe. Don't turn the water back on until a technician has inspected the line. A burst that looks contained can be hiding a second fracture upstream.
How do I know if my Herndon home needs full repiping or just a spot repair?
Spot repairs make sense for isolated failures in otherwise sound pipe. Repiping becomes the honest recommendation when you see recurring pinhole leaks in copper lines, consistent low pressure throughout the house, or galvanized steel that's visibly corroded. Half of Herndon's owner-occupied homes predate 1981, and galvanized pipe from that era is at or past its service life. We'll inspect the visible runs and give you a straight answer rather than patching a line that's going to fail again in a year.
Does Herndon require a permit for water heater replacement?
Most water heater replacements in Herndon fall under Fairfax County's permit requirements, particularly when they involve any change to the gas line, electrical supply, or venting configuration. A gas-to-electric conversion, which we do regularly, always requires a permit and inspection. We handle the Fairfax County Land Development Services permit process as part of the job. You don't need to file anything separately.
What causes low water pressure in older Herndon homes?
The most common causes in Herndon's pre-1985 housing stock are mineral buildup inside galvanized supply lines narrowing the flow, a partially closed main shutoff, or a failing pressure-reducing valve where the city line enters the house. Hard water from Fairfax Water accelerates the internal scaling. Low pressure across the whole house points to the main line or PRV; low pressure in one fixture usually means a localized blockage or a worn aerator. It's rarely an emergency, but it doesn't fix itself.
Can one technician handle both a plumbing leak and an HVAC problem at my Herndon house?
Yes. Brick Street's dual-certified technicians hold credentials across plumbing and HVAC, so a single visit can address both. This matters in Herndon's older homes where issues often cross trade lines, a condensate drain blockage in the air handler, for example, is technically a plumbing problem that shows up as an HVAC complaint. You won't need to schedule two separate contractors and wait twice.
How often should I have my sump pump inspected given Herndon's flood risk?
Herndon is flagged on FEMA Flood Insurance Rate Maps and has silt-loam soil that holds moisture and drains slowly. For any finished basement, we recommend a sump pump test once a year and a full inspection every two to three years. The test is simple: pour water into the pit and confirm the float triggers the pump. The inspection checks the check valve, the discharge line, and the float switch, parts that fail silently until you get four inches of water on your basement floor.
How does hard water in Herndon affect my water heater's lifespan?
Fairfax Water delivers water to Herndon testing between 4.1 and 10.8 grains per gallon of hardness. That mineral load deposits as scale on the heating element inside a tank water heater, forcing the unit to work harder and shortening its life. In practical terms, a Herndon water heater in a home without a softener may fail significantly before its rated lifespan due to scale buildup on the heating element. Flushing the tank annually slows buildup; pairing the water heater with a softener upstream is the more complete fix. Contact Brick Street Plumbing Heat & Air for an accurate estimate on either.

Areas We Serve Near Herndon

Brick Street Plumbing Heat & Air runs service calls throughout Herndon and the surrounding Northern Virginia communities.

Call Herndon's 24/7 Plumbing and HVAC Team

  • Same rate any hour
  • No overtime
  • Dual-certified technicians ready for whatever your house needs

Open now · 24/7

(240) 969-4911

Based in Leesburg, VA.

4.6 from 282 Google reviews
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