
Homeowners, remodelers, and custom-home builders all ask the same question: how much does smoke detectors cost when you factor in devices, wiring, labor, and permitting? At CountBricks, we answer that question every day through our AI-powered estimating engine. Below, we break down real-world numbers for Memphis, Tennessee homes, explain the variables that push totals up or down, and show you how CountBricks.com delivers pinpoint accuracy in minutes.
Device Only • $18 – $40 per unit for standard ionization or photoelectric models • $45 – $70 per unit for dual-sensor or 10-year lithium battery models
Hard-Wired Installation • $85 – $120 per unit including device, retrofit box, and wire • $65 – $90 per unit for new-construction rough-in when studs are open
Smart or Interconnected Units • $110 – $180 per unit installed, depending on Wi-Fi capability and voice alerts
Whole-Home Package • 3-bedroom, 2-bath existing home: $450 – $750 total • 4-bedroom new build: $600 – $950 total (larger square footage and code spacing)
• Square footage and number of stories—more ceiling area equals more detectors
• New construction vs. retrofit—open walls reduce labor time by 30-40%
• Power source—hard-wired units cost more up front but lower battery replacement expenses
• Smart home integration—additional modules and programming add 15-25% to device price
• Local code updates—Memphis adopted the 2018 IRC, mandating interconnection when feasible
CountBricks’ real-time database shows licensed electricians in Shelby County charging $62 – $78 per hour in 2025. A typical retrofit install of six hard-wired detectors takes 3 – 4 labor hours, while a new-build rough-in averages 2 hours because wiring runs are exposed.
A $250 swing on smoke detector pricing may feel minor, but when you bundle detectors with a full electrical scope—panels, receptacles, lighting—the cumulative impact can exceed $3,000. Accurate numbers help:
• Homeowners plan realistic budgets
• Builders submit profitable yet competitive bids
• Trade contractors schedule crews efficiently
1. Speak the project details into our mobile app, “Add six hard-wired, dual-sensor smoke detectors on first and second floors.”
2. CountBricks’ AI cross-references local material pricing, prevailing wages, and latest code requirements.
3. A line-item estimate appears instantly, complete with quantities, labor hours, mark-ups, and tax.
4. One tap converts the estimate into a branded PDF quote, ready for the homeowner’s e-signature.
5. Data flows to the invoice template once work is approved, saving back-office hours.
Up-Front Spend • Battery-only retrofit: $18 – $40 per unit • Hard-wired retrofit: $85 – $120 per unit
10-Year Operating Cost • Battery-only: $55 in replacement batteries per unit • Hard-wired: $10 back-up battery per unit, once every decade
Code Compliance • Hard-wired units with battery back-up satisfy most new codes; battery-only may require documentation for renovations
• Schedule detector installation during major electrical work to bundle mobilization costs
• Opt for sealed 10-year battery units in tight attic spaces where wiring is costly
• Use CountBricks.com/portfolio to review past Memphis projects and set realistic allowances
• Leverage CountBricks’ volume discounts from regional suppliers—often 8-12% below retail
• Confirm detector placement with CountBricks’ AI blueprint takeoff before drywall to avoid change orders
A functioning, code-compliant smoke alarm system can cut homeowner insurance premiums by 5%, repay installation cost within three to four years, and boost appraisal ratings for FHA loans. Memphis REALTORS® report buyers flag missing detectors during home inspections more than any other electrical issue.
• Units older than 10 years—sensor degradation reduces response time
• Frequent nuisance alarms—indicates dust or end-of-life sensitivity
• Yellowed housings—UV exposure accelerates plastic aging
Use CountBricks.com/services to schedule a quick condition audit and receive an AI-generated replacement quote.
Whether you’re wiring a custom build in East Memphis or swapping battery units in Midtown, CountBricks delivers fast, transparent pricing. Visit CountBricks.com/consultation to book a live voice session and discover exactly how much smoke detectors cost for your specific floor plan.

A 2,400-sq-ft 1940s brick bungalow in Memphis’ historic Garden District needed a life-safety upgrade before listing. The owner contacted CountBricks for a same-day estimate.
• 7 dual-sensor, hard-wired detectors with battery back-up
• Plaster walls, limited attic access, and knob-and-tube remnants
• Owner deadline: listing photos in 10 days
1. Voice intake captured project details in under two minutes, eliminating manual data entry.
2. AI takeoff overlaid proposed detector locations on a scanned floor plan, verifying code spacing without an onsite visit.
3. The estimating engine pulled Memphis electrician rates of $74/hr and device pricing of $52 per dual-sensor unit.
4. Total quote: $864 including patching and repainting seven ceiling cuts, delivered to the owner as a branded PDF within five minutes.
5. Once accepted, the same data populated the work order and invoice, shaving three administrative hours off the schedule.
• Installation finished in one day, two days ahead of the photography deadline
• Owner secured a 5% insurance discount upon providing the CountBricks completion certificate
• House appraised 1.2% higher thanks to documented life-safety improvements
• Local labor and material pricing updated daily—no surprise add-ons
• Integrated blueprint takeoff prevented mis-placed detectors, avoiding costly drywall rework
• Automated paperwork let the electrician focus on craft, not clerical tasks
If you’re still guessing how much does smoke detectors cost—or juggling spreadsheets—step into the future with CountBricks. Visit CountBricks.com/services to test our AI estimator, or schedule a live demo at CountBricks.com/consultation. From single-family cottages to 8,000-sq-ft new builds, we put accurate numbers at your fingertips so you can protect families, win bids, and grow profit.