Install battery smoke and CO alarms

Tom Hanks, owner, 24/7 Express Handyman Service · Updated September 2026

24/7 Express Handyman Service installs battery smoke alarms in Salt Lake, Park City and Heber. 60 percent lower risk of dying in a home fire comes with having working smoke alarms, per NFPA research. (Learn More About Smoke Alarms (NFPA))

What smoke alarms costs

Salt Lake City & Millcreekfrom $205
Park City & Summit Countyfrom $225
Heber Valley & Wasatch Countyfrom $225

Smoke alarms in Salt Lake City & Millcreek starts at $205: the 2-hour minimum at $95/hour ($190) plus the $15 fuel surcharge, with no dispatch fee. Time past 2 hours is billed in 30-minute steps. Larger parts are billed at cost plus 25%.

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24/7 Express Handyman Service confirms the address, the zone rate and the dispatch fee, and takes a card, before rolling.

Quick answers

Where should smoke alarms be installed?

Inside every bedroom, outside each sleeping area such as a hallway, and on every level of the home, including the basement, per NFPA. Keep alarms at least 10 feet from the stove.

How often do smoke alarms need to be replaced?

Every 10 years from the manufacture date, according to the U.S. Fire Administration. In between, test each alarm every month and replace 9-volt batteries at least once a year. Alarms with a nonreplaceable 10-year lithium battery never need a battery change; the whole unit is replaced.

Where should carbon monoxide alarms go?

Outside bedrooms, near each sleeping area of the home. CPSC says to install CO alarms there even if the home has no fuel-burning appliances, to test them regularly, and to change batteries at least once a year.

Ceiling-mounted battery smoke and carbon monoxide alarm
Photo: Andy Mabbett, CC BY-SA 4.0

What 24/7 Express Handyman Service does on site

How it works

  1. Walk the house and map which bedrooms, hallways and levels lack a working alarm.
  2. Check the manufacture date on each existing alarm and flag any that are 10 years old or more.
  3. Mount the new battery or plug-in alarms, then test each one.
  4. Referred out: hardwired and interconnected alarms that need new wiring go to a licensed electrician.

When to stop and call

If a smoke or CO alarm is sounding and you can't find the cause, get everyone outside and call 911 from there; never silence a CO alarm and stay inside. 24/7 Express Handyman Service handles missing, chirping or expired battery alarms once the home is safe.

What happens next

Every job 24/7 Express Handyman Service takes on is under $3,000 including labor, materials and any change orders (Utah Code §58-55-305); a change that would push a job over that line is referred to a licensed contractor, not written up as a second job. plumbing, electrical, HVAC, gas appliance / combustion system work is referred to a licensed trade.

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Answered 24/7 by Tom or his dispatcher.