With each and every house call, Smoke Detector Pro provides a top-notch service covering all of your fire safety needs. Schedule your Home Fire Safety Check TODAY!

Complete Fire Protection Solutions from a Firefighter-Owned Company

Professional Fire Safety Services for Homes, Businesses & Property Managers

Fire safety check for homes, telling homeowners to service smoke alarms services clean dryer vents and service fire extinguishers service by smoke detector pros.

At Smoke Detector Pro, we believe fire safety is about much more than replacing a smoke detector. It's about protecting families, homes, businesses, and property with professionally installed fire safety equipment, routine inspections, and code-compliant fire protection solutions.

As a firefighter-owned and operated company, we've helped protect thousands of homeowners throughout St. Louis County, St. Charles County, and the surrounding communities. Our experience responding to real emergencies has shaped every service we provide, from smoke alarm installation and carbon monoxide protection to fire extinguishers, emergency fire blankets, dryer vent cleaning, and complete home fire safety inspections.

Whether you're building a new home, replacing outdated smoke alarms, upgrading to interconnected systems, maintaining rental properties, or improving your overall fire protection, we're committed to providing honest recommendations, quality products, and professional workmanship.

Our Complete Fire Safety Services

We offer comprehensive residential and light commercial fire safety services designed to help protect what matters most.

At Smoke Detector Pro, we focus on helping homeowners identify fire hazards before they become emergencies. Our services are designed to improve home safety, support proper alarm placement, and provide peace of mind for families throughout the St. Charles and St. Louis County area.

Our Fire Safety Services Include:

  • Smoke alarm inspection

  • Smoke detector replacement

  • Hardwired smoke alarm installation

  • 10-year sealed battery smoke alarms

  • Carbon monoxide alarm installation

  • Smoke/CO combination alarm replacement

  • Wireless smoke alarm systems

  • Dryer vent cleaning

  • Fire extinguisher service & Maintenance

  • Fire blanket installation

  • Annual fire safety checks

  • Alarm testing, inspection, and cleaning

  • Review of overall home fire safety and alarm code-compliance

  • Education to every homeowner about their Fire Safety devices.

Questions / concerns about your home?

Commercial van with "Smoke Detector Pro" branding and contact information, parked on a residential street, featuring a ladder on the roof.

Our HOME FIRE SAFETY CHECKS begin with Smoke Alarm inspection, service and testing of all fire related products in your home. Including

  • Cleaning, inspecting and testing all smoke alarms

  • Checking dryer vent if it needs recommended cleaning

  • Checking placement of all carbon monoxide and smoke alarms

  • Adding additional smoke alarms to the home

  • Fire Extinguisher service and recommended replacement

  • Checking all fire and safety devices for ease of mind that your home is up to current fire code and your family is safe.

  • Smoke Alarm Installation Services

Two people smiling, one person standing on a ladder installing a smoke detector on the ceiling  of a customer's house.

Professional smoke detector installation is one of the most important investments you can make for your home's safety. Proper placement, quality equipment, and correct installation all play a role in providing early warning during a fire.

  • Our smoke detector installation services include:

    • New smoke detector installation

    • Whole-home smoke alarm systems

    • Hardwired smoke alarms

    • Battery-operated smoke alarms

    • 10-year sealed battery smoke alarms

    • Smart smoke alarms

    • Interconnected smoke alarm systems

    • New construction installation

    • Existing home upgrades

    • Professional placement recommendations

    Every installation is completed with attention to manufacturer guidelines and applicable code requirements.

smoke alarm replacement service
  • Smoke Alarm Replacement Service

Infographic about potential carbon monoxide sources in your home, highlighting areas such as the chimney, bedroom, kitchen, garage, and basement with descriptions of common issues like blocked chimneys, unvented space heaters, faulty appliances, and improper installations.
  • Combination alarms provide smoke and carbon monoxide detection in a single device, helping simplify protection throughout the home.

    Benefits include:

    • Two types of protection

    • Professional installation

    • Whole-home upgrades

    • Interconnected options

    • Hardwired models

    • 10-year battery models

    • Carbon Monoxide Alarm Installation

    Carbon monoxide is odorless, colorless, and dangerous. Every home with gas appliances, fireplaces, attached garages, or fuel-burning equipment should have working carbon monoxide alarms.

    We install and replace carbon monoxide alarms in recommended areas of the home to help protect your family from hidden CO risks.

  • Carbon monoxide Alarms Installation

  • Carbon Monoxide Detector Installation

    Carbon monoxide is an odorless, colorless gas that can become dangerous without warning. Properly installed carbon monoxide detectors provide valuable early notification when carbon monoxide is present.

    We install carbon monoxide detectors near:

    • Bedrooms

    • Attached garages

    • Furnaces

    • Fireplaces

    • Water heaters

    • Gas appliances

    • Utility rooms

Wireless smoke detector system in a residential home.
  • Hardwired Smoke Alarm Upgrades

Smoke Detector pro services van in O'Fallon MO.

Many homes still have outdated hardwired smoke alarms that no longer meet current recommendations or have reached the end of their service life.

We provide:

  • Hardwired smoke alarm replacement

  • Battery backup upgrades

  • Interconnected alarm systems

  • Existing wiring upgrades

  • New hardwired installations

  • Complete system replacement

  • Whole-home upgrades

  • Wireless Interconnected Smoke Alarm Systems

  • Wireless Interconnected Smoke Alarm Systems

A dryer vent cleaning with alot of ling being removed from a home.

Not every home can easily accommodate new wiring. Wireless interconnected smoke alarm systems provide a practical option for many existing homes while allowing alarms to communicate with one another.

  • These systems are ideal for:

    • Older homes

    • Finished basements

    • Historic homes

    • Home additions

    • Remodels

    • Large homes

    • Multi-story homes

Smoke alarms should be replaced according to the manufacturer's recommendations. Older alarms can become less reliable over time, making replacement an important part of maintaining home fire protection.

  • We replace:

    • Expired smoke alarms

    • Yellowed smoke alarms

    • Chirping smoke detectors

    • Faulty alarms

    • Hardwired alarms

    • Battery-operated alarms

    • Combination smoke and carbon monoxide alarms

    • Whole-home alarm systems

    If one alarm has reached the end of its service life, we'll help determine whether additional alarms should also be updated.

  • Fire Extinguisher Inspection & Maintenance

Fire Extinguisher being installed and how to use at a home or business.

Commercial properties in St. Louis area are required to maintain compliant fire extinguishers. We provide dependable inspection and maintenance services for:

  • Office buildings

  • Restaurants

  • Retail stores

  • Apartment complexes

  • Warehouses

  • Schools and churches

Our extinguisher services include:

  • Annual inspections

  • Pressure gauge checks

  • Recharge services

  • Replacement of expired units

  • Compliance documentation

  • Proper mounting and placement

For business owners, staying compliant isn’t optional — it’s required. We help St. Louis companies meet fire code requirements while ensuring equipment is ready in an emergency.

Combination smoke and carbon monoxide alarm for homes
  • Combination Smoke & Carbon Monoxide Alarms

If your searching for, your in the right place

Smoke Detector pro services van in O'Fallon MO.

Smoke Alarm Installation (Residential)

  • smoke detector installation near me

  • smoke alarm installer Saint Charles MO

  • smoke detector installation Saint Louis MO

  • residential smoke alarm installation Saint Charles County

  • home smoke detector installation Saint Louis County

  • hardwired smoke alarm installation near me

  • replace smoke detector in house Saint Charles MO

O'Fallon Mo home getting smoke alarms replaced

Hardwired Smoke Alarm Installation

  • hardwired smoke detector installation near me

  • replace hardwired smoke detector

  • upgrade to hardwired smoke alarms

  • hardwired interconnected smoke alarm installation

  • convert battery smoke detector to hardwired

  • hardwired smoke detector replacement service

Home in Saint Louis County, MO getting a tall smoke alarm replaced

Smoke Alarm Battery Replacement

  • smoke detector battery replacement service

  • replace smoke alarm batteries O’Fallon MO

  • chirping smoke detector fix near me

  • smoke alarm beeping repair service

  • home smoke detector maintenance service

Alot of dryer lint getting cleaning, dryer vent services by Smoke Detector PRos.

Dryer Vent Cleaning

  • dryer vent cleaning near me

  • dryer vent cleaning Saint Charles MO

  • dryer vent cleaning Saint Louis County MO

  • residential dryer vent cleaning service

  • dryer vent cleaning company near me

  • clogged dryer vent cleaning

  • dryer vent fire prevention service

  • dryer vent inspection and cleaning

  • same day dryer vent cleaning

  • affordable dryer vent cleaning near me

  • professional dryer vent cleaning company

Old alarms getting replaced.

Fire Extinguisher Service

  • fire extinguisher service near me

  • home fire extinguisher inspection

  • fire extinguisher recharge near me

  • residential fire extinguisher service Saint Charles MO

  • fire extinguisher maintenance company near me

  • kitchen fire extinguisher service

Service Area

Serving Homeowners Throughout St. Charles County and Saint Louis County and surrounding metro.

Smoke Detector Pro proudly provides smoke detector installation, smoke alarm replacement, carbon monoxide detector installation, dryer vent cleaning, fire extinguisher services, and complete residential fire safety inspections across St. Charles County, St Louis County and surrounding communities.

  • Ladue

  • Lindbergh

  • Manchester

  • Maplewood

  • Mehlville

  • Oakville

  • OFallon

  • Olivette

  • Overland

  • Pevely

Smoke Detector Pro
Serving: Saint Charles County MO & Saint Louis County MO.

Red clock icon with clock hands at 10:10
Red circle with black envelope icon

Office located in
O’Fallon, MO 63366

Monday-Friday - 8am - 9pm
Saturday-Sunday - Appointment only

Red map location pin icon on a white background.

Follow us on Social!

Do you have your original smoke detectors?
Is your house missing a CO detector?
Do you know someone who needs an updated smoke detector system?
Do you have alarms chirping at night?
Are your alarms more than 10 years old?
Have very tall ceilings? Can’t reach your smoke detectors?

Request your
FREE ESTIMATE
today!