How Much Does Smoke Detector Installation Cost?

Normal range: $70 - $150

Smoke detector installation ranges from $70 to $150 for most homeowners, but can cost as much as $400 for high-end models.

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smoke detector mounted on ceiling
Photo: Lost_in_the_Midwest / Adobe Stock
Deirdre Sullivan
Written by Deirdre Sullivan
Contributing Writer
Updated November 17, 2023
smoke detector mounted on ceiling
Photo: Lost_in_the_Midwest / Adobe Stock

Smoke detectors are modern-day guardians ready to sound the alarm and save lives. Whether installing them in a new home or replacing old units, you want to know the cost of this essential service. Professional installation ranges from $70 to $150 for a hardwired device in most cases. This guide dives deep into all the expenses associated with smoke detector installation costs.

See the price range for smoke detector installation:
How we get this data
Normal range for U.S.
$70 - $150
  • Average
  • $115
  • Low end
  • $50
  • high end
  • $400
LOWHIGH

Smoke Detector Cost by Type

The cost of the device is often not included in the price your local smoke detector installation pro quoted. Here's a peek at the estimated price range and differences between various smoke detector types.

Type of Smoke DetectorBest Used ForAverage Cost
IonizationDetecting flaming fires$5–$25
PhotoelectricSensing smoldering fires$10–$30
Dual-SensorWarning for various fire types$40–$150+
Smart Wireless connectivity and digital alerts$50–$150+

Ionization Smoke Detectors

These fire safety devices use a small amount of radioactive material to ionize the air in a chamber. When smoke enters, it disrupts the ionization process, triggering the alarm and providing early detection of fast-burning, flaming fires. Price ranges from $5 to $20 each.

Photoelectric Smoke Detectors

These models use a light beam and a sensor to detect the presence of smoke particles in the air. When smoke scatters the light beam, it triggers the alarm, making these detectors particularly effective at sensing slow-burning, smoldering fires. They are priced between $10 and $30 

Dual-Sensor Smoke Detectors 

If you're looking for a device that covers the bases, dual-sensor models combine ionization and photoelectric technologies to enhance fire detection capabilities. This dual-sensor approach provides effective early warnings for various fire types, from fast-burning to slow-smoldering fires. These units tend to cost more and include smart tech options. Your out-of-pocket cost ranges from $40 to $150 or more.

Smart Smoke Detectors

As the name implies, these offer wireless connectivity and high-tech features. They can send real-time alerts to your smartphone, integrate with smart home systems, and provide remote monitoring, enhancing fire safety and convenience. Prices vary widely but can range from $50 to $150 or more per unit. 

More About Pricing

Please note that these price ranges are approximate and can vary based on factors such as brand, quality, and any additional features or certifications the detectors may have.

Additionally, multi-pack deals or discounts may be available when purchasing multiple units.

What Impacts Smoke Detector Installation Costs?

man wiring smoke detector
Photo: MachineHeadz / iStock / Getty Images

Several factors can determine what you ultimately pay for fire protection.

Hardwiring vs. Batteries

Battery-operated smoke detectors rely exclusively on batteries for power, ensuring their functionality without any electrical connection. On the other hand, hardwired smoke detectors primarily use electricity, with the added safeguard of a backup battery to maintain operation during power interruptions. 

If you decide to go with a hardwired model, but the wiring for your gadget doesn't already exist, this will increase your project cost by quite a bit, and you may also require the services of a licensed electrician near you. Your out-of-pocket cost will likely depend on their hourly rate—about $50 to $100 per hour—and the total cost for this project could be $500 or more

FeatureWired Smoke DetectorNon-Wired Smoke Detector
Power Source Electrical wiring with backup batteryBattery-powered
InstallationTypically requires professional installationCan be installed without a professional
InterconnectivityEasily interconnected with other detectors in the same systemUsually standalone, but may have limited interconnectivity
MaintenanceBattery replacement required periodicallyBattery replacement is the primary maintenance task
ReliabilityLess prone to battery failuresSusceptible to battery failure if not maintained
PlacementFixed location based on electrical wiringFlexible placement options
CostHigher upfront cost due to wiring and installationLower upfront cost, but ongoing battery replacement costs
IntegrationEasier integration with home security systemsLimited integration options
Power OutagesContinues to operate on backup batteryBattery operates through outages
Life SpanLonger life span due to continuous power supplyLife span limited by battery life
WarrantyMay include warranties or ongoing supportNot as common, varies by brand

Building Codes

Local guidelines dictate where and how many smoke alarms you need in your home; for example, you may need one in every bedroom and on each floor, plus in hotspots like kitchens. This can easily quadruple your costs depending on your home’s size.

Additional Features

Installing smoke alarms with extra features like carbon monoxide detection or heat sensors may increase your tally.

Integration

Integrating smoke detectors can require specialized expertise, potentially raising installation fees if they are part of a more extensive home security or automation system.

Emergency Installation

If you need immediate installation, it may come with higher costs due to the urgency, especially if you’re calling in a pro in their off-hours.

Warranty and Support

Installers may offer warranties or ongoing support, potentially adding more to the upfront installation bill. However, the expense can provide valuable assistance down the road.

Additional Costs to Consider

Luckily, most smoke detectors, even ones empowered with smart technology, don’t typically come with subscriptions for monitoring or detection. However, there is one possible fee to keep in mind.

Product Warranty

Products like these come with a limited warranty of up to 7 years at no additional cost. However, extended warranties are usually available for the more expensive units like smart devices. You can expect to pay up to $50 for two years of extended protection. Remember, extended warranties do not cover the abuse of a product, like hitting a smoke detector with a broom to turn it off.

How Much Does It Cost to Install a Smoke Detector Yourself?

The cost to DIY this project varies based on the type of smoke detector you choose and if you need to purchase basic tools like a screwdriver, drill, or ladder.

Type of DeviceAverage Cost
Battery-powered$5–$50
Hardwired$15–$80
Smart$50–$150

Battery-Powered Device

woman changing battery to smoke detector
Photo: JulieAlexK / iStock / Getty Images

If you’re wondering how to install a smoke alarm, battery-powered smoke detectors are generally the easiest and most cost-effective to self-install. Depending on the brand and features, these detectors typically range from $5 to $50. Less expensive models offer peel-and-stick installation, which takes only seconds to complete. Others may need a drill or screwdriver to attach to the ceiling or wall. Remember, battery replacement costs will occur periodically, usually every six months to a year.

Hardwired Device

If you opt for a hardwired smoke detector and have existing electrical wiring in the desired location, the cost primarily includes the detector price, which can range from $15 to $80. Essential tools will also be required. If you’re wondering how to replace a smoke alarm like this, it helps to be comfortable handling wire connectors. 

Smart Device

Lastly, if you decide to install smart smoke detectors, the initial cost per unit can range from $50 to $150 or higher, depending on the brand and features—and if the device is a part of a larger security kit. These detectors offer remote monitoring, smartphone alerts, and integration with smart home systems, providing added convenience and peace of mind but at a higher upfront cost. And once again, you need the essential tools shared earlier.

DIY vs. Hiring a Pro

Whether to DIY or hire a professional to install a smoke detector depends on various factors, including your skills, experience, and the complexity of the installation. 

Battery-powered smoke detectors are well-suited for DIY installation. You can follow the manufacturer's instructions to mount them on ceilings or walls. Installing a wired smoke detector is also a cinch if the wiring is already in place.

Hardwired or interconnected smoke detectors—especially in homes without existing wiring—are more complex to install. In such cases, hiring a professional electrician is the way to go. When running new wiring, working with a pro is always safer for you and your home. Smart smoke detectors can also be fairly complex to install, so you may want to hire a pro, depending on the device’s features.

Frequently Asked Questions

First, it is crucial to check your local guidelines or building codes. You should typically have one smoke detector for every floor, bedroom, and kitchen. Another rule of thumb is to install one smoke detector for every 500 feet in a home. Reviewing manufacturing recommendations, especially for interconnected devices, is also a good idea to ensure proper connection and monitoring.

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Learn more about our contributor
Deirdre Sullivan
Written by Deirdre Sullivan
Contributing Writer
Deirdre is a seasoned DIYer and home improvement writer. She believes in the transformative powers of deep cleaning and painting to revitalize any space. Her articles have appeared in HomeLight, The Spruce, Realtor, and more.
Deirdre is a seasoned DIYer and home improvement writer. She believes in the transformative powers of deep cleaning and painting to revitalize any space. Her articles have appeared in HomeLight, The Spruce, Realtor, and more.
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