Cost to Bathroom Exhaust Fan Wiring in Boston, MA (2026)
If you’re budgeting a bathroom exhaust fan wiring in Boston, most projects run $291-$757, 16% above the $400 national average. What moves that number most is usually one thing: New Circuit vs. Existing Circuit. On its own it can swing the cost by $100 - $400, so that’s the decision to slow down on before you sweat the smaller stuff.
Easiest place to save: Connect the fan to the existing light switch circuit (if code allows) instead of running a new circuit - saves $150-$300
In the Northeast (where Boston sits): Higher electrician hourly rates.
$291-$757 in Boston
16% above the national average · 1.16x cost multiplier
In Boston, a bathroom exhaust fan wiring runs $291 to $757 on average - about 16% 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 |
|---|---|---|---|
| Materials | $46 | $93 | $174 |
| Labor | $175 | $350 | $583 |
| Permits | $0 | $58 | $87 |
| Total | $221+16% vs. national avg | $501+17% vs. national avg | $844+16% vs. national avg |
Budget
Wiring a new fan to an existing switch circuit with a short wire run through accessible attic space
Mid-Range
New dedicated circuit from panel with separate switch for fan, running through walls/attic, timer switch included
Premium
Dedicated circuit with humidity-sensing switch, GFCI protection, wiring through finished ceilings, and fan/light combo with separate controls
Material Options
Material prices below are national averages; availability in Boston may shift costs slightly.
| Material | Cost/Unit | Best For |
|---|---|---|
| 14/2 NM-B Wire (Standard) | $0.50-$0.80/ft | Basic exhaust fan on a 15-amp circuitStandard for 15-amp fan circuits, widely available, easy to work with |
| 14/3 NM-B Wire (Fan + Light) | $0.70-$1.10/ft | Fan/light combo units with separate wall switchesAllows separate switching of fan and light from one cable run |
| Timer Switch | $25-$50 | Best overall switch choice for most bathroom exhaust fansEnsures fan runs long enough to remove moisture, auto-off prevents wasted energy |
| Humidity-Sensing Switch | $40-$100 | Bathrooms where family members forget to use the fanFully automatic, turns on with shower steam and off when humidity drops, set-and-forget |
Other Projects in Boston
Boston Estimate
Typical Range
$291-$757
vs. National Average
16% above national
Cost Multiplier
1.16x
This 1.16x 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 →