
Southeast Michigan
Combination Smoke / CO Detector
One device, two protections — hardwired combination smoke and CO detector installed right.
Combination Smoke / CO Detector
Combination smoke and CO detectors simplify your life safety system. We install hardwired units that interconnect with your existing or new smoke detector network.
What's included
- ✓Hardwired combination smoke/CO detector
- ✓Battery backup included
- ✓Interconnected with existing hardwired system
- ✓NFPA 72-compliant placement
- ✓Permit coordination included
Good fit if you have…
- ✓Home needs both smoke and CO upgrades
- ✓Simplifying to combination devices
- ✓New construction life safety system
- ✓Replacing aging individual smoke and CO detectors
Pricing: $175–$350 per detector installed
Licensed & insured Michigan electricians. Permit coordination included.
Why Killer Electric
✓Licensed & insured Michigan electricians
✓Permits pulled and inspections coordinated on every job
✓Upfront scope and pricing — no surprise add-ons
✓Fast response — same or next-day for most projects
✓Serving Ann Arbor, Ypsilanti, Saline, Plymouth, and all of SE Michigan
Get a Fast Estimate
We serve Ann Arbor, Ypsilanti, Saline, Plymouth, Northville, Canton, and all of Southeast Michigan. Fill out the form and we'll get back to you fast — usually same day.
Serving Southeast Michigan
We provide combination smoke / co detector in these communities and surrounding areas.