Cost to Furnace Replacement in Boston, MA (2026)
If you’re budgeting a furnace replacement in Boston, most projects run $2,965-$8,894, 19% above the $4,500 national average. What moves that number most is usually one thing: Furnace Efficiency (AFUE Rating). On its own it can swing the cost by $800 - $3,000, so that’s the decision to slow down on before you sweat the smaller stuff.
Easiest place to save: Get quotes in spring or early fall when HVAC companies are less busy - many offer 10-20% off-season discounts
In the Northeast (where Boston sits): High labor rates and strict code requirements. Oil-to-gas conversions are common and add cost.
$2,965-$8,894 in Boston
19% above the national average · 1.19x cost multiplier
In Boston, a furnace replacement runs $2,965 to $8,894 on average - about 19% above what homeowners pay nationwide. The Northeast market's labor costs account for most of the gap, with material pricing and local permitting fees adding to the spread. Use the cost table below to compare budget, mid-range, and premium options side by side.
Cost Breakdown in Boston
| Line Item | Low | Mid | High |
|---|---|---|---|
| Cost per sq ft of home | $2 | $3 | $5 |
| Materials | $1,624 | $2,552 | $4,640 |
| Labor | $1,480 | $2,097 | $2,837 |
| Permits | $232 | $348 | $464 |
| Total | $3,336+19% vs. national avg | $5,345+19% vs. national avg | $8,869+18% vs. national avg |
Budget
80% AFUE single-stage gas furnace, basic brand (Goodman or Amana), direct replacement with existing ductwork and venting
Mid-Range
90-95% AFUE two-stage gas furnace, mid-tier brand (Rheem, Trane, or Carrier), standard installation with smart thermostat
Premium
97-98% AFUE modulating variable-speed gas furnace, premium brand (Lennox or American Standard), with zoning controls and whole-house humidifier
Material Options
Material prices below are national averages; availability in Boston may shift costs slightly.
| Material | Cost/Unit | Best For |
|---|---|---|
| Single-Stage Gas Furnace (80% AFUE) | $2,000 - $3,500 installed | Mild climates, budget-focused homeowners, homes with high ceilings or poor insulation where efficiency gains are minimalLowest upfront cost, simple and reliable, fewer parts to fail |
| Two-Stage Gas Furnace (90-96% AFUE) | $3,500 - $5,500 installed | Most homeowners in cold climates, the sweet spot of cost vs. performanceGood balance of cost and efficiency, quieter on low stage, more even temperatures |
| Modulating Gas Furnace (97-98% AFUE) | $5,500 - $8,500 installed | Cold climates with high heating bills, homeowners planning to stay 10+ yearsLowest operating costs, whisper-quiet, ultra-even heating, best humidity control |
| Oil Furnace (83-87% AFUE) | $3,000 - $6,000 installed | Rural areas without natural gas service, Northeast homes with existing oil infrastructureProduces very hot air, works in areas without natural gas |
| Electric Furnace | $1,500 - $3,500 installed | Mild climates with low heating needs, areas with very cheap electricity, supplemental heatingLowest upfront cost, no combustion or venting, 100% efficient at point of use |
Other Projects in Boston
Boston Estimate
Typical Range
$2,965-$8,894
vs. National Average
19% above national
Cost Multiplier
1.19x
Cost Per sq ft of home
$2-$5
This 1.19x estimate prices Boston labor from BLS Occupational Employment and Wage Statistics (May 2025) and applies a lighter regional adjustment to materials and permits, which vary less by metro than labor does. Actual bids vary by contractor, project scope, and timing.
See national average costs →