May 17, 2025 · Costco has this Kidde Battery-Operated smoke detector (2-pk) for $69.99 ($20 off). Comes with a 10 yr battery and has voice alerts. https://www.costco

May 19, 2025 · Forums Expired Offers Expired Hot Deals [Costco] Costco - Kidde Battery-Operated Smoke Detector (2- pk w/ voice alerts & 10 yr battery) - $69.99

Dec 5, 2025 · Forums Hot Deals [Costco] First Alert Hardwired Smoke and Carbon Monoxide Alarm, 3-pack $99.99 Costco First Alert Hardwired Smoke and Carbon Monoxide Alarm, 3-pack $99.99 Last …

Oct 18, 2024 · Rona First Alert Smoke & CO Detector z-wave+ compatible with SmartThings and Ring Alarm $49.99

Jun 24, 2025 · Might be useful for someone around the house. First Alert Hardwired 120 V White Smoke and Carbon Monoxide Detector with Battery Backup $33.99 (reg. $6

Feb 25, 2022 · This is the first time I've been in a home longer than a smoke detector's life expectancy so was wondering if anything in the building code and standard home insurance policies addressed …

Apr 26, 2024 · I was looking to replace the fire alarms in my house and was going to buy multiples of the 3-pack of First Alert's hardwired smoke & carbon monoxide alarms. But then noticed this 6-pack is …

Nov 12, 2025 · Kidde Hardwired Combination Smoke and CO Alarm with Voice Alert and 10-Year Backup Backup Battery Model # 21032774 If you have a hardwired Kidde

Feb 24, 2011 · Wondering if my fellow handypeople RFDers can provide some advice. Our house has 10+ yr old hardwired smoke detectors and most recently one of them

Jan 1, 2021 · The Kidde i12010SCOCA is an AC/DC powered, talking ionization smoke and carbon monoxide (CO) alarm that operates on a 120 V power source with sealed-in lithium battery backup. …