Where Should You Install Smoke Alarms in a 2 Story Home?
Did you know that Florida law requires new and renovated residences and rental units to have hardwired smoke detectors? Older homes must also be fitted with these safety devices before the house can be sold.
Smoke alarms warn you when a fire breaks out so you can get to safety. According to the NFPA (National Fire Protection Association), working smoke detectors reduce your chance of dying in a house fire by 60%.
Having enough working smoke detectors is one of the best ways to protect your household from devastating fires. Below, we’ll cover the details you need to know about installing smoke alarms in a 2 story home.
Does My House Need Smoke Detectors?
If you live in the Gainesville area, you must install a sufficient number of working, hardwired, interconnected electric smoke alarms with a battery backup on every level of your home. To meet building codes, you’ll need a unit in every bedroom, in hallways near sleeping areas, and at the top of your first-to-second-floor stairway.
How Do Hardwired Smoke Detectors Work?
Hardwired, interconnected smoke detectors with backup batteries provide the most reliable protection against fires. Most of these systems have either ionization or photoelectric sensors or both to detect fire and sound an alarm.
Many modern smoke alarms have a dual-sensor design and mobile alerts, plus features like algorithmic programming that can filter out false nuisance alarms. Some smoke detectors also come with integrated CO (carbon monoxide) alarms that can save you from being poisoned by combustion fumes, whether there’s an active fire or not. If you have gas-powered appliances or wood-burning stoves, this functionality can be life-saving.
Which Homes Need Hardwired Smoke Detectors?
The law says that hardwired smoke detectors must be installed in new and renovated structures, but they are suitable for older homes too. An electrician can connect electric smoke alarms to your circuitry and ensure that they are up to code. Without proper installation, your smoke detectors could underperform or malfunction, putting your safety at risk, so it’s good to let the pros do the job.
How Many Smoke Detectors Do I Need?
When electricians install smoke detectors in a home, they’ll survey its layout, then recommend an appropriate number of units.
According to the NFPA, 2 story homes need at least five smoke detectors:
- One unit on each floor, with the remaining units providing coverage in and near sleeping areas
- One unit near (but not in or too close to) the kitchen
- One unit in each main living space
You should also place smoke alarms in your basement and near (but not inside) furnace rooms and laundry rooms.
Where Should My Smoke Detectors Be Mounted?
The exact placement of your smoke detectors will depend on your home’s layout and other factors: units shouldn’t be placed too close to appliances that can trigger false alarms. Also, smoke alarms should not be located in drafty areas near vents, windows, doors, or ceiling fans that could keep them from sensing trouble.
In general, you’ll need at least one smoke detector for every 1,200 square feet on each story of your home. Ceiling-mounted units should be placed at least eight inches away from the wall, while wall-mounted smoke alarms should hang four to twelve inches below the ceiling. If you have pitched ceilings, your electrician should mount your smoke detector within two to three feet of its peak to avoid encountering dead air space that will hamper its performance.
Where Should I Avoid Placing Smoke Detectors?
Smoke alarms should be hung at least one foot away from fluorescent lights and direct sunlight. To minimize false alarms, your electrician should install your units at least six to ten feet away from a stove, oven, furnace, heater, fireplace, or gas dryer. Your smoke detectors should also be at least ten feet away from sources of humidity like bathroom showers, dishwashers, laundry vents, and humidifiers.
Typically, you won’t need smoke detectors in unfinished areas like crawl spaces, attics, porches, and garages. These areas are more likely to experience extreme heat and humidity, plus vehicle fumes and dust that can set off nuisance alarms or render the sensors non-functional.
How Do I Maintain My Smoke Detectors?
Smoke detectors can only protect you if they’re working, so it’s important to maintain them.
To ensure your hardwired smoke detectors are functioning properly, follow these steps:
- Test each unit once a month by pressing the test button and listening for the alarm.
- If you have a smoke detector with a CO alarm, press in the test button for five to 10 seconds until it sounds.
Check your user’s manual to verify any specific alarm patterns you should hear.
- Consider using a smoke alarm testing spray to check your sensors.
- Replace the backup batteries at least once a year, or according to the manufacturer’s instructions.
- If your home experiences high humidity, change your backup batteries every six months to avoid corrosion.
- If your smoke detector makes a chirping sound, replace its battery immediately.
- Once a year, do a full-system test to make sure the interconnected alarms will all activate at the same time.
In addition to these measures, you’ll need to clean your units every six months. Wiping away dust and vacuuming each unit should do the job. Never paint your smoke detectors; doing so can keep them from working.
When Should I Call a Pro for Help?
If you can’t reach your smoke detectors safely, or your smoke detectors are malfunctioning, reach out to a pro for help.
Signs that your smoke alarms requires immediate attention include:
- Your detectors don’t respond during testing.
- You hear unexplained chirping.
- You have frequent nuisance alarms.
When Will I Need to Replace My Smoke Detectors?
Most hardwired smoke detectors last ten years, although dual-sensor and smoke/CO detectors may only have a five- to seven-year lifespan. Your units’ sensors will tend to lose sensitivity with age, so when enough years pass, you’ll need to call an electrician to replace them.
Keep Your Home Safe With Mister Sparky’s Smoke Detector Services
When you need smoke detector services in North Central Florida, call Gainesville Mister Sparky. We can help you choose, install, maintain, replace, and repair a fire protection system you need to keep your home safe. Remember, when it comes to electrical services, don’t put up with any malarky; call Mister Sparky today!
