Smoke Detector Installation & Fire Alarm Services
Firefighter-Owned Smoke Detector Company Throughout St. Louis County, MO
As a firefighter-owned smoke detector company serving the Greater St. Louis Area, our experienced technicians provide Smoke Detector Installation & Replacement, Residential Fire Alarm Replacement, Smoke Detector Service, Hardwired, Wireless and Smart Smoke Alarms, Fire Extinguishers Services, and complete fire protection solutions throughout St. Charles County, St. Louis County, and surrounding Missouri communities.
Our Core Fire Protection Services in St. Louis County, MO
Smoke Detector Installation & Replacement
Protect your property with professional smoke detector installation and replacement in St. Louis County, MO. We install and replace hardwired smoke alarms, 10-year sealed battery detectors, smart smoke alarms, battery backup alarms, and combination smoke and carbon monoxide alarms for homes and businesses.
Smoke Detector Service, Repair & Maintenance
Our experienced technicians provide dependable smoke detector service throughout St. Louis County, including testing, troubleshooting, smoke alarm repair, battery changes, chirping alarm service, high-ceiling alarms, and whole-home smoke detector maintenance.
Commercial Fire Extinguisher Service & Inspections
Keep your business prepared with professional fire extinguisher services in St. Louis County, including annual inspections and tagging, installation, replacement, maintenance, and service for commercial properties and businesses.
Professional Dryer Vent Cleaning
Reduce dangerous lint buildup with professional dryer vent cleaning in St. Louis County, MO. Our thorough cleaning service helps restore airflow, improve dryer performance, and reduce potential dryer fire hazards in residential and commercial properties.
Fire Safety & Code-Compliance Inspections
As a firefighter-owned fire protection company, we provide comprehensive fire safety inspections for homes and businesses throughout St. Louis County, helping verify that smoke alarms, carbon monoxide detectors, fire extinguishers, and other essential fire protection equipment are properly installed, maintained, and ready when needed.
We deliver fast, reliable service for homeowners. Smoke Detector PRO, trusted by families, we take Fire safety to the next level. Click below to get a Free Estimate or Contact us!
Professional Smoke Detector Service in Fire Extinguisher Installation St. Louis County, MO
-
![Hardwired Smoke Detector Installation in St. Louis County MO]()
Hardwired Smoke Detector Instal St. Louis County
Professional installation and replacement of hardwired smoke alarms with battery backup. We upgrade aging systems and ensure interconnected operation for dependable whole-home fire protection.
Hardwired installation
Battery backup
Interconnected systems
Electrical connections
Code-compliant upgrades
-
![Smoke Detector Installation in St. Louis County MO]()
Smoke Detector Installation St. Louis County
We install code-compliant smoke alarm systems designed to provide dependable early fire detection and help protect your family and property.
New smoke detector installation
Code-compliant placement
Residential & commercial
Interconnected systems
Professional testing
-
![Smoke Detector Replacement in St. Louis County MO]()
Smoke Detector Replacement St. Louis County
Replace outdated or malfunctioning smoke detectors with professionally installed, code-compliant alarms. We replace expired smoke alarms, improve system reliability, and help ensure your property remains protected.
Replace 10-year-old alarms
Hardwired & battery models
Interconnected upgrades
Smoke alarm testing
Old alarm disposal
-
![Battery replacement service for Smoke Detectors]()
Smoke Detector Battery Replacement
Keep your smoke alarms operating properly with professional battery replacement and complete system testing. We inspect every alarm to help ensure reliable protection throughout your home or property.
Battery replacement
Alarm testing
System inspection
High ceiling access
Proper operation verification
-
![Smart Smoke alarm for a connected home in St. Louis County MO]()
Smart Smoke Alarms
Monitor your home's fire safety from anywhere with professionally installed smart smoke alarms. Receive alerts, monitor alarm status, and improve protection with modern connected technology.
Smartphone alerts
Smart home integration
Remote monitoring
Professional setup
Advanced protection
-
![Combination Smoke and carbon monoxide detector St. Louis County MO]()
Combination Smoke and CO Alarms
Save space and improve protection with combination smoke and carbon monoxide alarms. Our professional installation provides reliable dual-threat detection in one dependable devices.
Dual protection
Smoke & CO detection
Hardwired & battery models
Professional installation
Code-compliant placement
-
![Fire protection Service St. Louis County]()
Fire Protection Services
Comprehensive fire safety inspections identify potential hazards and verify that your smoke alarms, carbon monoxide alarms, fire extinguishers, and dryer vents are operating properly to help protect your property.
Smoke Detector Services
Dryer Vent Cleaning
Fire Extinguisher Service and inspection
-
![Fire Safety Inspection in a St. Louis County Home]()
Fire Safety Inspections
Comprehensive fire safety inspections identify potential hazards and verify that your smoke alarms, carbon monoxide alarms, fire extinguishers, and dryer vents are operating properly to help protect your property.
Complete safety inspection
Smoke alarm testing
CO alarm inspection
Fire extinguisher review
Fire safety recommendation
-
![Wireless Smoke Alarms for older in St. Louis County MO]()
Wireless Smoke Alarms - Older homes
Upgrade older homes with wireless interconnected smoke alarms without extensive wiring. Wireless systems improve whole-home protection while minimizing disruption during installation.
Wireless interconnected alarms
Older home upgrades
Whole-home protection
Minimal wiring
Professional installation
-
![St. Louis County MO Smoke Detector Services]()
Smoke Detector Services St. Louis County
Complete smoke alarm services including installation, replacement, inspections, testing, maintenance, and upgrades. We help homeowners, landlords, and businesses maintain dependable fire protection throughout every property.
Installation & replacement
Annual inspections
System testing
Code compliance
Maintenance programs
Dryer Vent Cleaning in St. Louis County, MO
-
![Dryer vent cleaning in St. Louis County MO]()
Dryer Vent Cleaning St. Louis County
Professional dryer vent cleaning removes lint buildup, improves dryer performance, and helps reduce the risk of dryer fires. We service homes, apartments, and commercial properties.
Complete lint removal
Improved airflow
Dryer fire prevention
Residential & commercial
Safety inspection
-
![Dryer vent cleaning in Fire Extinguisher Installation St. Louis County MO]()
Clogged Dryer Vent Cleaning
Long drying times, excessive heat, or weak airflow may indicate lint buildup inside the dryer vent. We thoroughly
Clean the vent system to help restore proper airflow.
Improve Dryer times
Dryer lasting longer
-
![Dryer vent cleaning in Fire Extinguisher Installation St. Louis County MO]()
Exterior Dryer Vent Cleaning
We clean accessible exterior vent terminations and remove lint and debris that can restrict airflow from your dryer to the outside of your home.
Removal of any Animals or Birds
Bird Cage installed
Removal of old vent opening
Installation of New Vent Opening
-
![Dryer vent cleaning in Dardenne Prairie MO]()
Dryer Vent Inspection & Airflow
Our service includes evaluating the dryer vent system for airflow concerns, excessive lint buildup, and other visible conditions that may affect safe operation.
Check Heat and airflow temps
Inspect any blockages or kinks in the vents
Perform a dryer test on the vent for flow
-
![Dryer vent cleaning in St. Louis County MO]()
Apartments & Multi-Unit Properties Fire Extinguisher Installation St. Louis County
We provide dryer vent cleaning for landlords, property managers, apartments, and multi-unit properties throughout St. Charles and surrounding communities.
Full HOA or Apartment communities
Packages Include annual cleaning
Full Inspection and test of every Dryer Vent
Full Cleaning on single or multi story buildings
Professional Fire Extinguisher Services in St. Louis County, MO
-
![Servicing Fire Extinguisher in apartment complex St. Louis County, MO]()
Fire Extinguisher Services St. Louis County
Complete fire extinguisher services for businesses, apartment communities, landlords, and homeowners. We provide installation, inspections, maintenance, replacement, recharging, and code-compliant fire extinguisher solutions.
Installation & replacement
Annual inspections
Maintenance & service
Apartment & commercial
Code-compliant solutions
-
![Fire Extinguisher Inspections St. Louis County]()
Fire Extinguisher Inspections St. Louis County
Professional fire extinguisher inspections in St. Louis County to check condition, pressure, accessibility, labeling, and overall readiness of your fire protection equipment.
Pressure & Gauge Check
Physical Condition Inspection
Safety Pin & Seal Check
Proper Placement Review
-
![Annual Inspection & Tagging St. Louis County]()
Annual Inspection & Tagging St. Louis County
Keep commercial fire extinguishers properly inspected with annual service and updated inspection tags for businesses, apartments, and managed properties.
Annual Fire Extinguisher Inspection
Updated Inspection Tags
Equipment Condition Check
Commercial Property Service
-
![Fire Extinguisher Replacement St. Louis County]()
Fire Extinguisher Replacement St. Louis County
Replace outdated, damaged, discharged, or non-serviceable fire extinguishers with appropriately selected equipment for your property's needs.
Outdated Unit Replacement
Damaged Extinguisher Replacement
Proper Size & Type Selection
Old Unit Removal & Disposal
-
![Fire Extinguisher Recharge St. Louis County]()
Fire Extinguisher Recharge St. Louis County
Fire extinguisher recharge and refill services are available for qualifying units following discharge, loss of pressure, or required maintenance.
Recharge After Discharge
Pressure Restoration
Qualifying Extinguisher Refill
Inspection After Service
6 year Maintenance
12 year Maintenance
-
![Commercial Fire Extinguisher Service St. Louis County]()
Commercial Fire Extinguisher Service St. Louis County
Complete fire extinguisher service for St. Charles businesses, offices, apartments, landlords, property managers, and other commercial properties.
Businesses & Office Buildings
Apartments & Multi-Unit Properties
Landlords & Property Managers
Routine Inspection & Maintenance
-
![Fire Extinguisher Installation St. Louis County]()
Fire Extinguisher Installation St. Louis County
Professional fire extinguisher installation with proper mounting and placement for businesses, commercial buildings, rental properties, and homes.
Professional Extinguisher Installation
Proper Mounting & Placement
Wall Brackets & Cabinets
Commercial & Residential Installation
Protecting Homes Across St. Louis County
Every neighborhood has its own character, and every home has its own fire safety needs. Throughout St. Louis County you'll find historic brick homes, mid-century ranches, custom residences, villas, condominiums, and newer developments. Each presents different considerations when it comes to smoke alarms, carbon monoxide protection, and overall home fire safety.
At Smoke Detector Pros, we specialize exclusively in residential fire safety. We help homeowners replace aging smoke detectors, install modern smoke alarm systems, improve carbon monoxide protection, inspect fire extinguishers, clean dryer vents, and evaluate the overall fire safety of their homes.
As a firefighter-owned and operated company, our recommendations are shaped by real-world experience responding to residential emergencies. We believe the best time to improve a home's fire safety is before an emergency occurs, which is why we focus on education, prevention, and dependable installations.
Whether you live in a historic Kirkwood home, a family neighborhood in Ballwin, a custom residence in Chesterfield, or a condo in Creve Coeur, our goal is the same: help you protect your family with reliable fire safety solutions tailored to your home.
Why Is My Smoke Detector Chirping? Causes & Solutions
A smoke detector that keeps chirping is usually trying to tell you something needs attention. A periodic chirp can be caused by a low battery, an aging or expired smoke alarm, a power interruption, a loose electrical connection, or a detector that needs to be cleaned or reset. If you have already replaced the battery and the chirping continues, check the manufacture date and consider having the alarm inspected or replaced. Hardwired smoke detectors can also chirp even though they receive household power because most still rely on a backup battery and internal electronics.
Chirping every 30–60 seconds: Often indicates a low battery or warning condition.
Chirping with a new battery: The alarm may need to be reset, cleaned, or replaced.
Hardwired detector chirping: Check the backup battery and whether the alarm has reached end of life.
Older smoke detector chirping: An aging alarm may be signaling that replacement is necessary.
Why Homeowners Throughout St. Louis County Choose Smoke Detector Pros
Unlike electrical contractors who install smoke alarms occasionally, smoke alarm systems are our specialty.
Our technicians inspect your home's layout, identify proper detector placement, recommend the best alarm technology, and ensure your system operates properly before we leave.
We proudly provide:
✔ Hardwired Smoke Alarm Installation
✔ 10-Year Sealed Battery Smoke Alarms
✔ Wireless Interconnected Smoke Alarm Systems
✔ Carbon Monoxide Alarm Installation
✔ Combination Smoke & CO Alarms
✔ Smoke Alarm Battery Replacement
✔ Fire Extinguisher Installation & Inspection
✔ Fire Blanket Installation
Proudly Serving Communities Throughout St. Louis County
Smoke Detector Pros proudly serves homeowners across St. Louis County, including:
Chesterfield
Large custom homes, family neighborhoods, and modern developments with evolving fire safety needs.
Ballwin
Established neighborhoods where many original builder-installed smoke alarms are approaching replacement age.
Wildwood
Larger residential properties, finished basements, detached workshops, and homes with unique layouts.
Creve Coeur
A mix of luxury homes, ranches, villas, and condominiums where personalized fire safety planning is important.
Kirkwood
Historic homes, mature trees, renovated properties, and neighborhoods where updating aging fire safety equipment can be part of long-term home maintenance.
Maryland Heights
Established family neighborhoods with a blend of older homes and newer developments.
Brentwood
Compact residential neighborhoods where dependable smoke alarm coverage remains an essential part of home safety.
Webster Groves
Historic homes and beautifully maintained residences that often benefit from thoughtful fire safety evaluations after remodeling or renovation.
Ellisville
Growing neighborhoods and established communities where homeowners value preventive maintenance and dependable service.
Manchester
Single-family homes, townhomes, and condominiums with a variety of fire safety needs.
If your community isn't listed, contact us. We proudly serve homeowners throughout St. Louis County and surrounding areas.
Fire Safety for Every Stage of Homeownership
Whether you've just purchased your first home, are preparing to sell your current property, or have lived in the same neighborhood for decades, your home's fire safety equipment deserves regular attention.
We regularly help homeowners who are:
Moving into a new home
Updating builder-installed smoke alarms
Finishing a basement
Remodeling living spaces
Adding bedrooms
Installing carbon monoxide protection
Preparing a home for sale
Scheduling annual fire safety maintenance
Every home changes over time, and your fire safety system should evolve with it.
Saint Louis County Fire safety code requirements
St. Louis County Smoke Detector and Fire Alarm Services
-
Smoke detectors provide the earliest warning during a house fire, giving families valuable time to escape safely. Unfortunately, many homes still rely on outdated smoke alarms that have exceeded their recommended service life or are improperly located throughout the home.
Our professional smoke detector installation services include:
Smoke detector installation
Hardwired smoke alarm installation
Hardwired smoke alarm replacement
Smoke alarm replacement
10-year sealed battery smoke alarms
Wireless interconnected smoke alarms
Smart smoke alarm installation
Smoke detector inspections
Smoke alarm testing
Whole-home smoke alarm upgrades
Whether your home is newly built or over 30 years old, we install dependable smoke alarm systems that help maximize your home's fire protection.
-
Smoke alarms should generally be replaced every 10 years, even if they appear to function normally. Sensors become less reliable over time, reducing their ability to detect smoke quickly. The Missouri Division of Fire Safety and many local fire agencies recommend smoke alarms in every bedroom, outside sleeping areas, and on every level of the home.
Common signs it's time for replacement include:
Smoke alarms over 10 years old
Yellowed plastic
Constant chirping
False alarms
Missing alarms
Outdated battery-only systems
Failed self-tests
We replace all major brands.
-
Carbon Monoxide Alarm Installation
Carbon monoxide is an odorless, invisible gas that cannot be detected without a properly functioning CO alarm.
We install:
Stand-alone CO alarms
Combination smoke & CO alarms
Hardwired CO alarms
Wireless interconnected CO systems
Our technicians determine proper placement based on your home's layout and fuel-burning appliances.
-
Many homes throughout St. Louis County utilize hardwired smoke alarms with battery backup.
When replacing existing hardwired systems, we install code-compliant interconnected alarms that communicate throughout the home.
If one alarm detects smoke, every alarm sounds—providing valuable extra time for your family to escape.
For many remodeling projects and permit-related work, St. Louis County requires smoke and carbon monoxide alarms to meet applicable residential code requirements.
Saint Louis County Fire safety code requirements
-
Older homes often make new wiring difficult or expensive.
Wireless interconnected smoke alarms provide many of the same safety benefits without opening walls. Costly renovations can range into the tens of thousands for Bringing homes up to fire code. We provide a very cost effective solution to Bridge that gap.
Benefits include:
No new wiring
Whole-home notification
Ideal for older homes
Excellent for finished basements
Easy future expansion
Cleaner installation
Reliable communication
These systems are becoming an excellent solution for many St. Louis County homeowners where permitted and appropriate.
-
Modern smart smoke alarms provide homeowners with greater awareness and convenience by keeping them connected to their home's fire safety system.
We professionally install smart smoke alarms featuring:
Smartphone alerts
Voice notifications
Remote monitoring
Self-testing capabilities
Low battery alerts
Interconnected smart systems
Smart home integration
Real-time maintenance notifications
Smart alarms offer peace of mind whether you're home, traveling, or at work.
-
Fire Extinguisher Inspection & Maintenance
Commercial properties in Wildwood 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.
-
Lint buildup inside dryer vents remains one of the leading causes of preventable residential fires.
Our dryer vent cleaning includes:
Complete lint removal
Airflow testing
Exterior vent cleaning
Dryer vent inspection
Vent termination cleaning
Safety recommendations
Routine dryer vent cleaning helps improve efficiency while reducing fire hazards.
Smoke Detector & Fire Protection Service Areas in St. Louis County
Smoke Detector Pro proudly provides professional smoke detector service, smoke detector installation, smoke alarm replacement, carbon monoxide alarm services, fire extinguisher services, and dryer vent cleaning throughout St. Louis County, Missouri. Our firefighter-owned smoke detector company serves homeowners, businesses, landlords, property managers, apartment communities, and commercial properties throughout Chesterfield, Ballwin, Wildwood, Creve Coeur, Maryland Heights, Ladue, Kirkwood, Webster Groves, Brentwood, Fenton, Clayton, Manchester, Ellisville, Town and Country, Des Peres, and surrounding St. Louis County communities. Whether you need a professional smoke detector technician, smoke detector installer, smoke detector company, fire extinguisher service, or dryer vent cleaning service in St. Louis County, our experienced team provides dependable, code-compliant solutions designed to help protect your home, family, tenants, employees, and property
Affton
Arnold
Ballwin
Brentwood
Bridgeton
Chesterfield
Cottleville
Clayton
Crestwood
Creve Coeur
Dardenne Prairie
Des Peres
Eureka
Fenton
Ferguson
Festus
Florissant
Frontenac
Imperial
Kirkwood
Richmond Heights
Rock Hill
St. Charles
St. Louis City
St. Peters
Troy
Universal City
Webster Groves
Wentzville
Wildwood
Smoke Detector Pro
Serving: Saint Charles County MO & Saint Louis County MO.
Office located in
O’Fallon, MO 63366
Monday-Friday - 8am - 9pm
Saturday-Sunday - Appointment only
Follow us on Social!
Smoke Detector Services in St. Louis County zip codes
Smoke Detector Pro services all home smoke detectors and installation for all zip codes in Saint Louis County. The Following zip codes are available for all our services.
63005
63038
63069
63040
63017
63011
63021
63025
63146
63122
63127
63119
63123
63128
63125
63129
63031
63125
63141
63131
63088
63049
63045
63074
63114
63132
63144
63144
63105
63120
63109
63116
63111
63110
63112
63113
Frequently Asked Questions in Saint Louis County
-
As a firefighter-owned and operated company, we focus exclusively on residential fire safety. We provide professional smoke alarm installation, code-compliant replacements, carbon monoxide protection, fire extinguisher installation, and personalized recommendations to help keep your family safe.
-
Yes. We install wireless interconnected smoke alarm systems that are an excellent solution for older St. Louis County homes where running new wiring would be difficult or expensive.
-
Yes. We offer smart smoke and carbon monoxide alarm installation for homeowners looking for upgraded technology, compatible interconnected protection, and available smart features such as mobile notifications.
-
Yes. Proper alarm placement is an important part of effective fire protection. We can review your home's layout and existing alarm locations and recommend appropriate placement based on the home, manufacturer requirements, and applicable standards. Webster Groves also emphasizes proper smoke-detector placement and installation.
-
Contact Smoke Detector Pro to schedule professional smoke detector installation, replacement, services, battery replacement, carbon monoxide alarm service, fire extinguisher service, or dryer vent cleaning in Webster Groves and surrounding St. Louis County communities.
-
Yes. Smoke Detector Pro proudly serves homeowners throughout St. Louis County, including Chesterfield, Ballwin, Wildwood, Kirkwood, Creve Coeur, Maryland Heights, Brentwood, Webster Groves, Ladue, Fenton, and many surrounding communities.
-
If you're searching for smoke detector installation near me in St. Louis County, our firefighter-owned company provides professional installation, replacement, testing, and code-compliant upgrades throughout the area.
-
Most smoke detectors should be replaced every 10 years, even if they still appear to work. Smoke alarm sensors lose sensitivity over time, making replacement an important part of home fire safety.
-
Yes. We specialize in replacing hardwired smoke alarms, including battery backup models, with modern code-compliant alarms that meet current safety recommendations.
-
Yes. We install combination smoke and carbon monoxide alarms as well as dedicated CO detectors throughout St. Louis County to help protect families from both fire and carbon monoxide hazards. Missouri recommends CO alarms near sleeping areas and on every level of the home.
-
Frequently Asked Questions
Do you inspect smoke alarms before selling a home?
Yes. We perform residential smoke alarm inspections to verify proper placement, operation, and overall fire safety. Many municipalities in St. Louis County have occupancy or safety inspection requirements that include working smoke alarms.
Do you offer smoke detector battery replacement?
Yes. We replace batteries, test each alarm, clean sensors when appropriate, and verify the entire system is operating correctly during every service visit.
What brands of smoke detectors do you install?
We install high-quality, UL-listed smoke alarms from trusted manufacturers, including Kidde and other professional-grade products that meet current safety standards.
Can you upgrade older homes without existing wiring?
Yes. We install wireless interconnected smoke alarm systems that are an excellent solution for older St. Louis County homes where running new wiring would be difficult or expensive.
Do you install fire extinguishers in St. Louis County homes?
Yes. In addition to smoke alarms, we install residential ABC fire extinguishers and can recommend proper placement throughout your home. Missouri recommends having at least one fire extinguisher per level of the home.
How long does smoke detector installation take?
Most homes can be completed in one visit. The exact time depends on the number of alarms, the type of system, and whether upgrades or additional fire safety services are needed.
Why choose Smoke Detector Pro in St. Louis County?
As a firefighter-owned and operated company, we focus exclusively on residential fire safety. We provide professional smoke alarm installation, code-compliant replacements, carbon monoxide protection, fire extinguisher installation, and personalized recommendations to help keep your family safe.
Do you provide same-week smoke detector service in St. Louis County?
Yes. We strive to provide prompt scheduling for homeowners throughout St. Louis County who need smoke detector replacement, installation, inspections, or fire safety upgrades.
How often should smoke alarms be replaced?
Most manufacturers recommend replacing smoke alarms every 10 years, regardless of whether they still appear to work.
Do hardwired smoke alarms need to be replaced?
Yes. Even hardwired smoke alarms have sensors that expire and should typically be replaced every 10 years.
Are wireless smoke alarms reliable?
Yes. Modern wireless interconnected smoke alarm systems are highly reliable and are an excellent option for many existing homes.
Do I need carbon monoxide alarms?
If your home contains fuel-burning appliances or an attached garage, carbon monoxide alarms are strongly recommended and may be required depending on the home and local code.
Do you replace all brands?
Yes. We service and replace most major residential smoke alarm brands.
Do you inspect existing systems?
Absolutely. We provide complete home fire safety inspections and recommendations.
Schedule Professional Smoke Alarm Service in St. Louis County Today
Whether you need one smoke alarm replaced or a complete home fire safety upgrade, Smoke Detector Pros is ready to help.
Our firefighter-owned team proudly provides professional smoke alarm installation, smoke detector replacement, carbon monoxide alarm installation, dryer vent cleaning, fire extinguisher services, and complete home fire safety inspections throughout St. Louis County, Missouri.
Call today to schedule your appointment and protect your home with professionally installed fire safety equipment.
