Based in Leesburg, VA
4.6 from 282 Google reviewsBoiler Installation in Leesburg, VA
Boiler Installation in Leesburg, VA: licensed, dual-certified technicians serving Loudoun County with 24/7 availability and no overtime fees.
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Leesburg Boiler Installation, Sized and Set Right
Brick Street Plumbing Heat & Air handles boiler installation in Leesburg, VA for homes across Loudoun County, from older neighborhoods with existing hydronic systems to newer construction that's adding radiant heat for the first time. If you're weighing a boiler against a furnace, or you already know you need a new unit and want it sized and vented correctly, call (240) 969-4911. We don't charge overtime, and we're available when the heat actually stops working.
Boiler installation cost varies significantly based on the type of unit, the complexity of the existing piping, venting requirements, and whether any hydronic distribution work is needed. A standard gas boiler replacement in a home that already has a boiler system is a very different job from a first-time boiler install in a house that's never had one. What drives the cost up: condensing versus non-condensing units, the need for new gas lines or upgraded venting, the condition of existing radiators or radiant loops, and access to the mechanical area. What keeps it down: a well-maintained existing system, good access, and proper sizing done before a single part is ordered. Every job is different, contact Brick Street Plumbing Heat & Air for an accurate estimate.
Boiler or Furnace? Knowing Which System Fits Your Home
The answer depends on your existing infrastructure, not just preference.
Boiler Types
Gas, Oil, and Condensing Boilers: What's Available in Leesburg

Gas Boilers
Natural gas is the standard fuel in most Leesburg and Loudoun County homes. Dependable, widely serviced, and compatible with most existing hydronic distribution systems.

Condensing Boilers
High-efficiency units that recover heat from flue gases. AFUE ratings in the 90s. Require proper condensate drainage, something we plan for in every install.

Oil Boilers
Still common in older properties and rural Loudoun County. We handle oil boiler replacement and oil-to-gas conversions when a gas line is already available.
Combi Boilers
One unit for space heating and hot water. A practical option when replacing both systems at once, particularly in tighter mechanical spaces.
Installation Process
What Happens During a Boiler Installation
We don't do vague timelines. A boiler replacement on an existing system typically takes one full day for a straightforward swap. A more complex install, new gas line, upgraded venting, adding zones, can run two days. We'll tell you the realistic scope before we start, not after.
Assessment and Sizing
We calculate the correct heat load for your home before recommending a unit size. An oversized boiler short-cycles and wears out faster. An undersized one runs constantly and can't keep up on the coldest nights. We run the numbers first.
Installation and Venting
We pull the necessary permits, handle the gas connections, set up the venting to Loudoun County code, and connect the boiler to your existing distribution. Condensing units need a condensate drain line, we handle that in the same visit.
Start-Up and Walkthrough
We fire the system, check pressures, verify all zones are calling correctly, and confirm the thermostat is communicating. Before we leave, we walk you through the controls so you know exactly what you're looking at.
Why Dual-Certified Technicians Matter on a Boiler Job
Start here
Loudoun County Homes and Boiler Installation: Local Details That Matter
Northern Virginia's heating season runs from roughly late October through March, with the worst cold snaps hitting January and February. That's not the ideal time to plan a boiler install from scratch, lead times on equipment stretch, and you're working against the calendar. If your boiler is aging and showing signs of trouble, a spring or early fall replacement gives you the most options on equipment selection and scheduling. Older homes in Leesburg's historic districts present specific installation challenges: limited mechanical room access, original cast iron radiators that need pressure-tested before you connect them to a new boiler, and sometimes gas lines that haven't been sized for a modern unit. Northern Virginia's water is moderately hard, and mineral buildup over time affects heat exchanger life. A water softener or inhibitor treatment at installation extends the system's lifespan. We'll flag it if your water makes it relevant. For homes in Lansdowne, Brambleton, or Purcellville with newer construction, first-time boiler installs for radiant floor systems are a different scope entirely. We handle those too. Call (240) 969-4911 and we'll give you a straight answer on what your specific home requires.
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Boiler Installation Questions We Hear Every Week
Who installs boilers: a plumber or an HVAC technician?
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Serving Leesburg and Loudoun County: No Overtime, Any Hour
We install and service boilers throughout Leesburg and the surrounding Loudoun County communities. Same rate whether it's a Tuesday morning or a Saturday night.
Ready to Install a Boiler? Call the Crew That Handles Both Trades
- Dual-certified
- Licensed
- 24/7 with no overtime fees
Brick Street Plumbing Heat & Air installs boilers in Leesburg and across Loudoun County. Our technicians are licensed in both plumbing and HVAC, factory-certified, and backed by 282 verified Google reviews. Call (240) 969-4911 and we'll schedule an assessment, walk you through the right equipment for your home, and give you a straight estimate, no overtime charges, no surprises.
Tell us about the job
Your name, your number and what needs doing. A person from Brick Street Plumbing Heat & Air gets back to you.
- Send the basicsYour name, your number and what needs doing. Three fields, about a minute.
- A person gets back to youSomeone from Brick Street calls or texts you within one business day.
- We book a time that suits youYou get a time that fits your day, and no obligation until you say go.
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