Hardwired Smoke/CO Detector Swap (per unit)

Denver metro only — this is on-site labor, not a shipped product. We perform this work at your address in the Denver metropolitan area or Colorado's Front Range: Denver, Aurora, Lakewood, Littleton, Centennial, Englewood, Arvada, Westminster, Thornton, Broomfield, Golden, Wheat Ridge, Commerce City, Northglenn, Highlands Ranch, Parker, Castle Rock and nearby. Please don't purchase from outside this area.

Veteran-owned Denver design-build.

Replace existing hardwired smoke or smoke/CO detectors with customer-supplied or standard interconnected replacements (10-year sealed units recommended) at existing ceiling/wall locations up to 10 ft. First unit at base price, additional units same visit at tier rate; about 15 minutes each additional. Includes harness adapter wiring, mounting, and whole-house interconnect test. Assumes existing hardwired interconnect wiring is functional. Excludes new detector locations, battery-only installs, and troubleshooting dead interconnect circuits — visit-quoted.

Typical duration: about 30 minutes on site.

Also called: smoke detector replacement, hardwired smoke alarm, co detector swap.

Serving Denver metro & the Front Range · Licensed and insured · We confirm your appointment window after checkout.