Hardwired Smoke and Carbon Monoxide Detectors, Installed and Interconnected

New and replacement hardwired smoke and CO alarms, interconnected so when one sounds, they all do. We place them where code requires and replace old units past their lifespan.

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Signs it’s time

When to Install or Replace Alarms

Smoke and CO alarms don’t last forever, and many older homes never had enough of them. These are the most common reasons people call.

Alarms are more than 10 years old
Chirping that won’t stop after a new battery
No alarm in each bedroom
No carbon monoxide alarm with gas appliances or an attached garage
Battery-only alarms you want hardwired
Alarms that don’t sound together
Selling a home or finishing a permitted remodel
Adding an ADU or new bedroom

How it works

How It Works

Walk the Home

We check existing alarms, their age and locations, and where new ones are needed.

Options with Prices

Replace, add or interconnect alarms, priced before we start.

Install

Hardwired alarms with battery backup, interconnected so every alarm sounds together.

Test

We test every alarm and show you how to test and silence them.

Why it matters

Alarms Expire, and Older Homes Are Short on Them

Smoke alarms have a limited lifespan, and most manufacturers say to replace them about every 10 years. An old alarm can look fine and still fail to sound.

Placement matters. Current code calls for smoke alarms in every bedroom, outside sleeping areas, and on every level, and carbon monoxide alarms in homes with fuel-burning appliances or an attached garage. Many older LA homes have only one or two alarms in a hallway.

Interconnected alarms wake everyone. When alarms are interconnected, smoke in the kitchen sets off the alarm in every bedroom. That extra warning matters most at night.