Bathroom Exhaust Fan Electrical Wiring Guide for Northern Virginia

Installing a bathroom exhaust fan in your Northern Virginia home involves more than just mounting a fan in the ceiling. Whether you're remodeling a bathroom in Fairfax, upgrading ventilation in Alexandria, or adding a new bathroom in Arlington, proper electrical wiring is critical for safety, code compliance, and long-term performance. Our outlet and switch installation services can handle all your bathroom electrical needs.

Bathroom exhaust fans serve an essential function: removing moisture, odors, and potentially harmful mold spores from your bathroom. But improperly wired fans can create electrical hazards, fail inspections, or simply not work when you need them. Understanding the electrical requirements—from circuit sizing and switch placement to timer controls and humidity sensors—ensures your bathroom ventilation system operates safely and efficiently.

At AJ Long Electric, we've installed and wired hundreds of bathroom exhaust fans throughout Northern Virginia. This comprehensive guide covers everything you need to know about bathroom exhaust fan electrical wiring requirements, including circuit specifications, control options, Energy Star considerations, and Northern Virginia permitting requirements.

Why Proper Bathroom Exhaust Fan Wiring Matters

Bathroom exhaust fans operate in one of the most challenging environments in your home: high humidity, temperature fluctuations, and proximity to water sources. Proper electrical installation is essential for several critical reasons:

Safety Considerations

• Moisture and Electricity: Bathrooms present shock hazards due to water and humidity. Proper wiring protects against electrical faults.
• Fire Prevention: Improper wiring or overloaded circuits can create fire hazards, especially in insulated ceiling cavities.
• Motor Protection: Fan motors require proper circuit protection to prevent overheating and electrical failures.
• Grounding Requirements: Metal fan housings must be properly grounded to prevent shock hazards.

Code Compliance

• Virginia building codes require specific electrical installations for bathroom ventilation
• Permits and inspections are mandatory for new fan installations
• Improper wiring will fail inspection and must be corrected
• Non-compliant installations can affect home insurance and resale value

Performance and Functionality

• Correct circuit sizing ensures fans operate at rated capacity
• Proper switch placement provides convenient control
• Advanced controls (timers, humidity sensors) require specific wiring configurations
• Energy-efficient installations reduce operating costs

Circuit Requirements for Bathroom Exhaust Fans

Understanding which circuit your bathroom exhaust fan should be on is fundamental to proper installation.

Same Circuit as Lighting vs. Dedicated Circuit

Bathroom exhaust fans have flexible circuit requirements compared to other bathroom electrical devices:

Sharing the Bathroom Lighting Circuit (Most Common):

• Code-compliant: Bathroom fans CAN share the lighting circuit (unlike receptacles, which need their own 20-amp circuit)
• Typical installation: Fan and light both on 15-amp or 20-amp lighting circuit
• Works for standard fans: Most basic exhaust fans draw less than 1 amp
• Convenient switching: Allows single switch or combination switch/fan control
• Cost-effective: No need to run new circuit from panel in most cases

When a Dedicated Circuit is Required:

• Fan/heater combinations: Units with built-in heaters (1000-1500 watts) typically require dedicated 20-amp circuits
• Large multi-speed fans: Commercial-grade or high-CFM fans may need dedicated circuits
• Multiple fans on same circuit: Calculate total load to ensure circuit isn't overloaded
• 240-volt heater fans: Some high-power heater combinations require 240-volt dedicated circuits
• Manufacturer specifications: Always follow manufacturer's circuit requirements

Cannot Use the 20-Amp Receptacle Circuit:

The National Electrical Code requires that bathroom receptacles have their own dedicated 20-amp circuit that serves ONLY receptacles. You cannot wire bathroom exhaust fans to this circuit. Fans must be on the lighting circuit or their own separate circuit.

Typical Circuit Configurations

Wire Sizing and Cable Types

Proper wire sizing ensures safe operation and code compliance:

• 14 AWG wire: Adequate for standard fans on 15-amp circuits (most common residential installations)
• 12 AWG wire: Required for 20-amp circuits and heater combinations
• NM-B cable (Romex): Standard non-metallic cable for residential installations
• Wet-location wire: Not typically required for ceiling-mounted fans, but may be needed for shower ceiling installations
• Proper color coding: Black (hot), white (neutral), bare copper or green (ground)

CFM Requirements Based on Room Size

Choosing the correct fan capacity affects both ventilation effectiveness and electrical requirements.

Understanding CFM (Cubic Feet per Minute)

CFM measures how much air a fan moves. Building codes specify minimum ventilation rates based on bathroom size:

Code Requirements for Bathroom Ventilation:

• Virginia requires mechanical ventilation (exhaust fan) if there's no operable window
• Minimum 50 CFM for bathrooms up to 100 square feet
• Add 50 CFM for each additional 100 square feet
• Alternative method: 8 air changes per hour (ACH) based on room volume

Calculating Required CFM

Formula 1: By Square Footage (Simplified):

• Multiply bathroom square footage by 1.0 CFM
• Example: 80 sq ft bathroom = 80 CFM fan minimum
• Round up to next available fan size

Formula 2: By Fixture Count (Common):

• Toilet: 50 CFM
• Shower or tub: 50 CFM
• Bathtub: 50 CFM
• Add together all fixtures
• Example: Toilet (50) + Shower (50) = 100 CFM minimum

Formula 3: By Room Volume (Most Accurate):

• Calculate room volume: Length × Width × Height
• Divide by 7.5 to get CFM for 8 air changes per hour
• Example: 8' × 10' × 8' = 640 cubic feet ÷ 7.5 = 85 CFM

Common Bathroom Sizes and Recommended CFM

How CFM Affects Electrical Requirements

Higher CFM fans typically draw more power:

• 50-80 CFM fans: Usually 0.3-0.5 amps (35-60 watts)
• 90-110 CFM fans: Typically 0.5-0.8 amps (60-95 watts)
• 120-150 CFM fans: Usually 0.8-1.2 amps (95-145 watts)
• High-performance fans (150+ CFM): May draw 1.5-2.5 amps (180-300 watts)

Even high-CFM fans rarely require dedicated circuits unless combined with heaters or lights.

Timer Switches vs. Manual Switches

Control switch selection significantly impacts bathroom fan effectiveness and electrical installation requirements.

Manual On/Off Switches

Standard toggle or rocker switches:

• Simplest installation: Basic single-pole switch, no special wiring
• Lowest cost: $2-$10 for switch
• Manual control: User must remember to turn fan on and off
• Often left running: Can waste energy if not turned off
• May not run long enough: Users often turn off before moisture is fully exhausted

Combination light/fan switches:

• Two switches in single gang box (one for light, one for fan)
• Requires 3-wire cable (2 hots, neutral, ground) from switch to fan
• Allows independent control of light and fan
• Common in fan/light combination units

Timer Switches (Recommended)

Timer switches automatically shut off fans after a set period, ensuring adequate ventilation while saving energy:

Mechanical Wind-Up Timers:

• How they work: Spring-loaded dial you twist to set time (5-60 minutes typical)
• Cost: $15-$35
• No neutral wire required: Works with 2-wire switch loops in older homes
• Wiring: Same as standard switch (hot in, hot out to fan)
• Limitations: Must manually twist each use, mechanical parts can wear out

Electronic Digital Timers:

• How they work: Push-button or touchpad sets countdown timer (1-60 minutes typical)
• Cost: $25-$60
• Often requires neutral wire: Check specifications—many need neutral for internal electronics
• Wiring: Hot in, hot out to fan, neutral, ground
• Features: LED display, multiple preset times, some have continuous-on option
• Advantages: More precise, more durable than mechanical

Programmable Timers:

• Can schedule fan to run at specific times daily
• Useful for continuous ventilation strategies
• Requires neutral wire
• Cost: $40-$80

Timer Switch Wiring Requirements

Many modern electronic timer switches require a neutral wire at the switch location:

• Older homes: May only have hot and switched hot at switch box (2-wire switch loop)
• Neutral wire solution: May require running new 3-wire cable from fan or power source to switch
• Alternative: Choose mechanical timer that doesn't require neutral
• Battery-powered timers: Some don't require neutral but need periodic battery replacement

Recommended Timer Settings

For optimal bathroom ventilation and moisture removal:

• After showers: 20-30 minutes minimum
• After baths: 15-20 minutes
• General use: 10-15 minutes
• Powder rooms: 5-10 minutes sufficient

Humidity Sensor Switches (Humidistat Controls)

Humidity-sensing switches represent the most advanced and effective bathroom fan control option.

How Humidity Sensors Work

• Automatic operation: Fan turns on when humidity exceeds set threshold (typically 60-70%)
• Auto shut-off: Fan runs until humidity drops to acceptable level, then turns off
• No user intervention required: Perfect for forgetful users or guest bathrooms
• Energy efficient: Runs only when needed, no wasted electricity
• Mold prevention: Ensures adequate ventilation every time moisture is present

Types of Humidity Sensors

Wall-Mounted Humidity Sensing Switches:

• Replace standard wall switch
• Cost: $30-$70
• Adjustable humidity threshold setting
• Some include manual override and/or timer function
• Requires neutral wire in most cases
• Wiring: Hot in, hot to fan, neutral, ground

Fan-Mounted Humidity Sensors:

• Sensor built into fan housing
• Fan must be left on "auto" mode via wall switch
• More accurate humidity sensing (inside bathroom vs. at wall)
• Cost: Included in fan price (fans cost $80-$200)
• Standard wiring to fan, switch remains standard toggle

Smart Fan Controls:

• Wi-Fi enabled humidity sensors
• Control via smartphone app
• Integration with home automation systems
• Humidity monitoring and alerts
• Cost: $80-$150
• Requires neutral wire and Wi-Fi connection

Humidity Sensor Wiring Requirements

Most humidity-sensing controls have specific electrical needs:

• Neutral wire required: Nearly all electronic humidity sensors need neutral for proper operation
• Continuous power: Sensor must always be powered to monitor humidity
• Standard voltage: 120V AC typical
• Ground required: All electronic controls must be grounded
• Wire size: Standard 14 AWG adequate for sensor circuits

Benefits of Humidity Sensors

• Mold and mildew prevention: Automatic operation prevents moisture accumulation
• Energy savings: Runs only when needed, unlike continuous ventilation
• No user error: Works even if occupants forget to turn on fan
• Ideal for rental properties: Ensures consistent ventilation regardless of tenant behavior
• Building code compliance: Meets continuous ventilation requirements when properly configured

Switch Placement Requirements

Electrical code and practical considerations dictate proper bathroom fan switch placement.

Code Requirements for Switch Location

• Inside bathroom or immediately adjacent: Switch must be accessible from bathroom entrance
• Height requirements: Typically 48 inches from floor to center of switch (ADA: 15-48 inches)
• Not in shower or tub area: Switches cannot be within reach of shower or bathtub
• Wall-mounted: Ceiling or floor-mounted switches not permitted for general use
• Lighting switch proximity: Often grouped with light switch for convenience

Best Practices for Switch Placement

• Near entry door: Place switch on entry wall for easy access when entering
• Grouped with light switch: Two-gang box with light and fan switches side-by-side
• Clearly labeled: Mark which switch controls fan vs. light (especially important for guests)
• Accessible height: Standard 48" height works for most users
• Consider users: Lower switches for children's bathrooms, accessible heights for elderly

Wiring from Switch to Fan

Proper cable routing ensures code compliance and reliable operation:

• 14/2 cable for single switch: Hot, neutral, ground (if fan only)
• 14/3 cable for separate light/fan: Two hots (one for light, one for fan), neutral, ground
• Attic routing: Most bathroom fans wire through attic space above
• Proper support: Cable must be stapled within 12" of boxes and every 4.5 feet
• Protection: Cable crossing framing must be protected with nail plates

GFCI Considerations for Bathroom Fans

Understanding GFCI requirements for bathroom fans prevents confusion and ensures code compliance.

Do Bathroom Fans Need GFCI Protection?

Ceiling-mounted exhaust fans: NO GFCI required

• Standard ceiling-mounted exhaust fans do NOT require GFCI protection
• Fans are hardwired and not considered "receptacles"
• Located above wet areas, not within reach during water use
• Properly grounded metal housing provides shock protection

Exceptions where GFCI may be required:

• Shower ceiling installations: Fans mounted directly in shower ceilings should be GFCI protected (rare installation)
• Outdoor exhaust points: If electrical components are in exterior locations
• Below-grade installations: Basement bathrooms with humidity concerns
• Manufacturer specifications: Some fan/heater units may require GFCI

GFCI vs. AFCI Protection

GFCI (Ground Fault Circuit Interrupter):

• Protects against shock hazards (ground faults)
• Required for bathroom receptacles, not typically for hardwired fans
• Detects current imbalances and trips in milliseconds

AFCI (Arc Fault Circuit Interrupter):

• Protects against fire hazards from arcing faults
• Bathroom circuits are typically exempt from AFCI requirements
• May be required in some jurisdictions or new construction

Proper Grounding for Fan Safety

While GFCI isn't required, proper grounding is absolutely essential:

• Ground wire connection: Connect fan's ground wire to circuit ground
• Metal housing bonding: Ensure metal fan housing is bonded to ground
• Junction box grounding: Electrical box must be properly grounded
• No bootleg grounds: Never create false ground by connecting neutral to ground

Ducting and Electrical Considerations

While ducting is primarily a mechanical concern, it has important electrical implications.

Duct Routing and Fan Placement

• Shortest duct run possible: Reduces back-pressure and allows fan to operate at rated CFM
• Power availability: Fan location must have accessible electrical source
• Attic access: Consider electrical routing when planning duct path
• Exterior termination: Duct must terminate outside, not in attic (building code requirement)

Backdraft Damper Electrical Issues

• Stuck dampers increase motor load and reduce CFM
• Frozen exterior dampers can strain motor in cold weather
• Regular maintenance prevents motor burnout

Insulated Ductwork Considerations

• Insulated ducts prevent condensation in attic spaces
• Reduces moisture near electrical connections
• Prevents ice formation that can block airflow
• Required in Northern Virginia's climate with cold winters

Combination Fan/Light/Heater Units

Multi-function bathroom units have significantly different electrical requirements than simple exhaust fans.

Electrical Requirements for Combination Units

Fan/Light Combinations (Most Common):

• Circuit: Can typically share bathroom lighting circuit
• Total load: Fan (0.5-1 amp) + LED light (0.1-0.3 amp) = under 1.5 amps total
• Wiring: Requires 14/3 cable for separate fan/light switches
• Switches: Two-gang box with separate switches recommended

Fan/Heater Combinations (Higher Load):

• Heater wattage: Typically 1000-1500 watts (8-12.5 amps at 120V)
• Circuit requirement: Usually requires dedicated 20-amp circuit
• Wire size: 12 AWG required for 20-amp circuits
• Breaker: 20-amp single-pole breaker
• Cannot share with lights: Heater load too high to share circuit

Fan/Light/Heater Combinations:

• Complex wiring: Three or four-wire cable needed for independent control
• Dedicated circuit: Almost always requires dedicated 20-amp circuit
• Multiple switches: Three-gang box (fan, light, heater) or combination controls
• Thermostat option: Some units have built-in or separate thermostat control

240-Volt Heater Units

High-power bathroom heaters may require 240-volt circuits:

• 1500+ watt heaters: Often designed for 240V operation for lower amperage
• Wiring: 12/2 cable with two hots, ground (no neutral unless needed for fan/light)
• Breaker: 20-amp double-pole breaker
• Color coding: Both black and white wires are hot (mark white with red/black tape)

Typical Combination Unit Specifications

Noise Ratings: Understanding Sones

While not an electrical issue, fan noise affects installation decisions and user satisfaction.

What are Sones?

• Sone measurement: Unit of perceived loudness (1 sone = quiet refrigerator)
• Linear scale: 2 sones is twice as loud as 1 sone
• Typical range: Bathroom fans range from 0.3 to 6.0 sones

Sone Ratings and Perception

How Electrical Design Affects Noise

• Motor quality: Better motors run quieter but draw similar current
• Variable speed fans: Lower speeds produce less noise (require special wiring/controls)
• Voltage fluctuations: Inadequate circuits can cause motor noise
• Proper installation: Secure mounting reduces vibration noise

For maximum comfort, we recommend fans rated 1.5 sones or less for residential bathrooms. Higher-CFM fans tend to be louder, but premium models maintain quiet operation even at high airflow rates.

Energy Star Requirements and Efficiency

Energy-efficient bathroom fans save money and may qualify for rebates or tax credits.

Energy Star Certification for Bathroom Fans

Energy Star certified bathroom fans must meet strict efficiency criteria:

• Minimum airflow: At least 40 CFM
• Efficacy requirement: At least 2.8 CFM per watt
• Sound level: 2.0 sones or less at rated airflow
• Warranty: Minimum 3-year warranty required
• Lighting (if included): Must use Energy Star certified light fixtures

Energy Savings from Efficient Fans

Energy Star fans use about 70% less energy than standard models:

• Standard 80 CFM fan: Uses about 60-80 watts
• Energy Star 80 CFM fan: Uses about 18-25 watts
• Annual savings: $20-40 per year per fan (based on continuous operation)
• Lifespan: 7-10 years typical, pays for itself in energy savings

Electrical Advantages of Energy Star Fans

• Lower current draw: Reduced load on circuits and breakers
• Less heat generation: Reduces fire risk in insulated ceiling cavities
• Continuous operation viable: Low wattage allows affordable 24/7 operation
• Multiple fans on circuit: Low load allows several fans on same circuit

Northern Virginia Rebates and Incentives

Check for available rebates when upgrading bathroom fans:

• Dominion Energy: Offers rebates on energy-efficient home improvements (check current programs)
• Federal tax credits: Energy-efficient home improvements may qualify
• Local utility incentives: Some Northern Virginia municipalities offer additional programs
• Home Performance with Energy Star: Part of whole-home energy upgrade programs

Continuous vs. Switched Ventilation

Modern building science increasingly recommends continuous bathroom ventilation for indoor air quality.

Continuous Ventilation Strategy

Concept: Fan runs 24/7 at low speed for baseline ventilation, with boost mode for active bathroom use.

Benefits:

• Constantly removes moisture, preventing mold growth
• Improves overall home indoor air quality
• Prevents humidity buildup between bathroom uses
• Meets ASHRAE 62.2 ventilation standards for new construction

Electrical Requirements:

• Energy Star rated fan essential (continuous operation must be efficient)
• Typical continuous mode: 20-40 CFM using 8-15 watts
• Annual electricity cost: $10-20 per year
• Standard electrical circuit adequate (very low load)

Two-Speed Fan Wiring

Continuous ventilation often uses two-speed fans:

• Low speed (continuous): 20-40 CFM, always on
• High speed (boost): 80-110 CFM, activated during bathroom use
• Wiring options: Special two-speed switches or built-in controls
• Control methods: Wall switch for boost, fan runs low when switch off

Typical Two-Speed Wiring:

• Constant hot wire to fan (for low-speed continuous operation)
• Switched hot wire for boost activation
• Neutral and ground connections
• Requires 3-wire cable from switch to fan (hot, switched hot, neutral, ground)

Switched Ventilation (Traditional)

Fan runs only when manually switched on:

• Pros: Lower energy use if turned off between uses
• Cons: Relies on user compliance, often not run long enough
• Best applications: Powder rooms, infrequently-used bathrooms
• Electrical: Simple switched hot wire, standard installation

Cost Estimates for Bathroom Fan Installation

Understanding typical costs helps you budget for your bathroom ventilation project in Northern Virginia.

Professional Installation Costs

Factors Affecting Installation Cost

• Attic access: Difficult access increases labor time
• Distance from panel: Longer wire runs for new circuits cost more
• Ductwork complexity: Long runs, multiple elbows, or exterior termination challenges
• Ceiling finish: Drywall repair and painting if needed
• Switch location: New switch boxes in finished walls require cutting and patching
• Panel capacity: If panel is full, sub-panel or panel upgrade may be needed
• Permits and inspections: Add $50-150 to project cost

Equipment Costs (Material Only)

• Basic 50-80 CFM fan: $40-$100
• Quality 80-110 CFM Energy Star fan: $80-$180
• Ultra-quiet premium fan (under 1 sone): $150-$350
• Fan/light combination: $80-$250
• Fan/heater combination: $150-$400
• Humidity-sensing fan: $120-$280
• Smart/Wi-Fi enabled fan: $200-$400

Permits and Inspections in Northern Virginia

All electrical work for bathroom exhaust fan installation requires permits and inspections throughout Northern Virginia.

When Permits Are Required

Permit required for:

• Installing new bathroom exhaust fan and wiring
• Running new circuits from electrical panel
• Installing new switches or controls
• Replacing fan that requires wiring changes
• Adding fan/heater combinations

Permit typically not required for:

• Replacing existing fan with identical model (same wiring, same location)
• Replacing fan motor in existing unit
• Replacing switch (like-for-like)

Note: When in doubt, always check with your local building department. It's better to get an unnecessary permit than to skip a required one.

Fairfax County Electrical Permits

• Permit office: Fairfax County Department of Public Works and Environmental Services
• Application: Online or in-person application available
• Cost: Typically $50-100 for bathroom fan installation
• Inspections: Rough-in (before covering) and final inspection required
• Licensed electrician required: Only licensed electricians can pull permits (homeowner permits available for owner-occupied single-family homes)
• Service area: We serve all of Fairfax County and surrounding areas

Alexandria Electrical Permits

• Permit office: Alexandria Department of Code Administration
• Application: Online portal available
• Licensed electrician requirement: Only licensed electricians can pull electrical permits
• Historic districts: Additional review may be required for exterior vent installation
• Inspection scheduling: Typically 24-48 hour turnaround

Arlington County Permits

• Permit office: Arlington County Inspection Services
• Online system: Electronic permit application and tracking
• Combination permits: Electrical work often included in bathroom remodel permit
• Condo/townhouse: May require HOA approval before permitting

Inspection Process

Rough-In Inspection:

• Conducted after wiring is complete but before drywall is closed
• Inspector verifies proper wire size, routing, and connections
• Checks proper electrical box installation
• Ensures code compliance for circuit protection

Final Inspection:

• Conducted after fan, switches, and trim are installed
• Inspector tests fan operation
• Verifies proper switch labeling and operation
• Confirms grounding and bonding
• May test airflow with instruments

At AJ Long Electric, we handle all permitting and inspection scheduling as part of our installation service. Our licensed electricians know exactly what inspectors look for and ensure every installation passes on the first inspection.

DIY vs. Professional Installation

While some homeowners consider DIY bathroom fan installation, professional installation offers significant advantages.

Challenges of DIY Fan Installation

• Electrical code knowledge: Must understand NEC and local code requirements
• Permit limitations: Some jurisdictions don't allow homeowner electrical permits
• Attic work: Difficult and dangerous working in confined spaces
• Proper wiring: Incorrect wiring can create fire and shock hazards
• Ductwork installation: Requires knowledge of proper ducting practices
• Inspection failures: DIY installations often fail inspection, requiring costly corrections

Benefits of Professional Installation

• Code compliance guaranteed: Licensed electricians ensure all work meets current codes
• Permit handling: Electrician obtains permits and schedules inspections
• Proper circuit sizing: Ensures fan has adequate power without overloading circuits
• Safety: Eliminates shock and fire hazards from improper wiring
• Warranty protection: Professional installation protects manufacturer warranties
• Insurance: Work is covered by contractor's liability insurance
• Efficiency: Experienced electricians complete work quickly and correctly
• Troubleshooting: Can identify and resolve unexpected issues (old wiring, panel capacity, etc.)

When to Definitely Use a Professional

• Installing new circuits from electrical panel
• Any work inside electrical panel
• Fan/heater combinations requiring dedicated circuits
• 240-volt installations
• Wiring through finished ceilings or walls
• Installations requiring permits
• Humidity sensor or smart fan installations
• Situations where you're unsure about proper procedures

Choosing the Right Electrician for Fan Installation

Professional installation starts with selecting a qualified, experienced electrician.

Essential Qualifications

• Virginia electrical license: Master or Journeyman electrician license
• Active insurance: Both liability and workers' compensation
• Local experience: Familiar with Northern Virginia building codes and permit processes
• Bathroom expertise: Specific experience with bathroom electrical installations
• References: Positive reviews from bathroom remodel projects
• Warranty: Written warranty on workmanship

Questions to Ask Potential Electricians

• Are you licensed in Virginia? What's your license number?
• How many bathroom fan installations have you completed?
• Do you handle the permit application and inspection scheduling?
• What's included in your installation price? (fan, wiring, switch, ducting?)
• Do you install the ductwork or just the electrical?
• Can you recommend specific fan models for my bathroom size?
• What warranty do you provide on your electrical work?
• How do you handle unexpected issues (full panel, old wiring, etc.)?

Why Choose AJ Long Electric for Bathroom Fan Installation

AJ Long Electric has been installing bathroom exhaust fans throughout Northern Virginia since 1996:

• Comprehensive expertise: Hundreds of bathroom fan installations completed
• Full-service approach: Electrical wiring, ducting, permits, and inspections all handled
• Code specialists: Deep knowledge of NEC and all Northern Virginia jurisdictions
• Energy efficiency focus: Recommend Energy Star fans for long-term savings
• Licensed and insured: Virginia Master Electrician license, fully insured
• Warranty backed: Written warranty on all installations
• Transparent pricing: Detailed estimates with no hidden fees
• Proven track record: Over 1,200 5-star reviews from satisfied customers

Read our customer testimonials to see why Northern Virginia homeowners trust us with their bathroom electrical projects.

Ready to Install Your Bathroom Exhaust Fan?

Proper bathroom ventilation is essential for preventing mold, protecting your home, and maintaining indoor air quality. Whether you're installing a basic exhaust fan in a powder room or a sophisticated fan/heater/light combination in a master bathroom, correct electrical wiring ensures safe, reliable, code-compliant operation.

At AJ Long Electric, we make bathroom fan installation simple and stress-free. Our licensed electricians will:

• Evaluate your bathroom's ventilation needs and recommend appropriate CFM
• Design compliant electrical installation for your specific fan
• Handle all electrical permits and inspection coordination
• Install proper wiring, circuits, and controls
• Install and test the fan for proper operation
• Provide documentation for permits and home records
• Offer guidance on fan operation and maintenance

We serve all of Northern Virginia, including Fairfax, Alexandria, Arlington, Vienna, and McLean.

Schedule Your Free Bathroom Fan Installation Consultation

Or call us today at 703-997-0026