Basic
$2,982 – $6,817 per project
80% AFUE single-stage gas furnace sized to the existing ducts, vented into the existing flue, new gas connection and shutoff, startup checked

Supply and install a natural-gas furnace (80-95% AFUE) replacing an existing unit on existing ducts, including venting and connection; duct or gas-line extensions extra.
Install Gas Furnace in Baltimore, Maryland typically costs $3,509 to $8,020 per project as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Baltimore are in line with the national average for install gas furnace.
National average: $3,500 – $8,000 per project
$2,982 – $6,817 per project
80% AFUE single-stage gas furnace sized to the existing ducts, vented into the existing flue, new gas connection and shutoff, startup checked
$3,509 – $8,020 per project
92% AFUE single-stage condensing gas furnace with PVC intake and exhaust venting, condensate drain, new gas connection, startup combustion check
$4,386 – $10,025 per project
95% AFUE two-stage condensing gas furnace with variable-speed blower, PVC venting, condensate drain, new thermostat wiring, full combustion test
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $1,607 – $3,672 | job |
| Labor | labor | $1,188 – $2,716 | job |
| Supplies & Other | supplies | $428 – $979 | job |
| Equipment & Disposal | equipment | $286 – $653 | job |
Material costs in Baltimore run proportionally higher than labor, which may favor labor-intensive approaches.
Connect with local install gas furnace contractors in Baltimore for personalized quotes based on your specific project.