Furnace Installation & Replacement in Baltimore, MD
- Included: old unit removal, new furnace set and connected, gas or electrical hookup, flue/venting check, thermostat pairing, and a combustion and airflow test at startup.
- Timeline: most single-furnace swaps finish in one day; full system changeouts with ductwork adjustments can run into a second day.
- Cost: a new furnace installation in Baltimore typically ranges from roughly $3,000 to $7,500 depending on fuel type, size, and efficiency; the minimum service charge is $150.
- We accept: cash, all major cards, and check.
- To book: call (443) 585-4167 to schedule a free on-site assessment and written quote.
The right furnace choice in Baltimore depends on your fuel source and your home's era. Many Canton and Fells Point rowhomes run natural gas and have tight mechanical closets, so a compact high-efficiency condensing gas furnace with PVC sidewall venting often fits where a bulky old unit sat. Larger detached homes in Roland Park and Guilford usually have basement furnaces with more room for a two-stage or variable-speed system that heats evenly across multiple floors. We measure the space, check the existing venting, and run a load calculation rather than simply matching the size of the unit being pulled out — older furnaces were frequently oversized, which short-cycles and wears the equipment.
Deciding between repair and replacement comes down to age, efficiency, and repair cost. A furnace over 15 years old with a failing heat exchanger or repeated ignition faults is usually worth replacing; a newer unit with a single bad part is usually worth repairing. High-efficiency condensing furnaces (90%+ AFUE) cost more up front but cut gas use over a Baltimore heating season that regularly runs cold from late November through March. The trade-off is venting and condensate drainage: condensing units need PVC venting and a drain path, which is straightforward in a Federal Hill basement but takes more planning in a finished Bolton Hill or Mount Vernon interior with limited exterior wall access.
Baltimore City permitting and gas connections are handled correctly on every furnace job — this is an independent city with its own permit process, separate from Baltimore County. Proper flue sizing and combustion venting matter in older Hampden and Charles Village homes where a furnace may share a chimney with a water heater; we confirm the venting is safe before commissioning the unit. Row-house installs in Locust Point often mean carrying equipment through narrow interiors, so we plan access before removal day to avoid surprises.
Every replacement ends with a full startup: we verify gas pressure or electrical draw, check temperature rise across the heat exchanger, confirm airflow, and pair the thermostat. You get a written quote before any work begins, and the exact price is confirmed on the free on-site visit — the ranges here are ballparks that shift with size, efficiency, and how much venting or electrical work your home needs.
📞 Call (443) 585-4167Furnace Installation & Replacement pricing in Baltimore
| Diagnostic / service visit (minimum charge) | $150 |
| Standard gas furnace replacement (like-for-like) | $3,000 - $5,000 |
| High-efficiency condensing gas furnace install | $4,500 - $7,500 |
| Electric furnace installation | $2,800 - $4,800 |
| Added venting / gas line / condensate work | $300 - $1,200 |
Exact price confirmed free on-site before any work.
Furnace Installation & Replacement — questions, answered
How much does furnace installation cost in Baltimore?
Furnace installation in Baltimore typically ranges from about $3,000 to $7,500, driven by fuel type, size, and efficiency. The exact price is confirmed on a free on-site visit, and the minimum service charge is $150.
How long does a furnace replacement take in a Baltimore rowhome?
Most single-furnace replacements in Baltimore rowhomes, including Canton and Fells Point, finish in one day. Jobs that need new venting or ductwork adjustments can extend into a second day.
Should I repair or replace my furnace in Baltimore?
In Baltimore, a furnace over 15 years old with a failing heat exchanger or repeated breakdowns is usually worth replacing, while a newer unit with one bad part is worth repairing. We give an honest recommendation during the on-site assessment.
Do I need a permit to replace a furnace in Baltimore City?
Yes, furnace replacements in Baltimore City require a permit through the city's own process, since Baltimore is an independent city separate from Baltimore County. We handle the permitting and gas connection on every installation.
Can a high-efficiency furnace fit in an older Baltimore home?
A high-efficiency condensing furnace can fit in most older Baltimore homes, including Hampden and Mount Vernon, but it needs PVC venting and a condensate drain path. We confirm access and venting options during the on-site visit before recommending a unit.