Cost to Bathroom Exhaust Fan Wiring in Boston, MA

$330–$858 in Boston

32% above the national average · 1.32x cost multiplier

In Boston, a bathroom exhaust fan wiring runs $330 to $858 on average — about 32% 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	$53	$106	$198
Labor	$198	$396	$660
Permits	$0	$66	$99
Total	$251+32% vs. national avg	$568+32% vs. national avg	$957+32% 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	Pros	Cons	Best For
14/2 NM-B Wire (Standard)	$0.50-$0.80/ft	Standard for 15-amp fan circuits, widely available, easy to work with	Not suitable for heater combos that draw more than 15 amps	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	Allows separate switching of fan and light from one cable run	Slightly more expensive and harder to pull through tight spaces	Fan/light combo units with separate wall switchesAllows separate switching of fan and light from one cable run
Timer Switch	$25-$50	Ensures fan runs long enough to remove moisture, auto-off prevents wasted energy	Must remember to turn on manually, requires neutral wire	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	Fully automatic, turns on with shower steam and off when humidity drops, set-and-forget	Higher cost, may cycle on during other humidity events, requires neutral wire	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

Full Bathroom Remodel

Full Kitchen Remodel

Window Replacement

Back to national average for Bathroom Exhaust Fan Wiring

Boston Estimate

Typical Range

$330–$858

vs. National Average

32% above national

Cost Multiplier

1.32x

Estimates apply Boston's 1.32x regional cost multiplier to national averages. Actual bids vary by contractor, project scope, and timing.

See national average costs →