Smoke and carbon monoxide detector installation in New York

Detectors are cheap and the rules are specific: where they go, what type, how they're powered, and when they have to be replaced. Landlords carry most of the responsibility in rental units, and renovations often trigger an upgrade to hardwired units.

We check what's installed, replace units that are expired or the wrong type, and wire interconnected systems where they're required or wanted.

Hardwired detectors run on house power with a battery backup, and interconnected units all sound when any one of them detects smoke or carbon monoxide. That matters in duplexes and houses where a fire on one floor might not be heard on another. We run the interconnect wiring between locations, fishing through plaster where the building allows it, and connect the system to a dedicated or lighting circuit as the code permits. Wireless interconnect units are an option where running cable isn't practical.

Where hardwiring isn't required, ten-year sealed battery detectors meet the rule for battery-only units. The battery can't be removed, which ends the problem of detectors disabled to stop a chirp. We install combination smoke and CO units or separate ones depending on the space, date each unit, and remove old detectors that have passed their replacement date. Landlords turning over a unit can have every detector replaced and documented in a single visit before the next tenant moves in. Each replaced unit is logged with its date.

Compliance means the right detector types, in the right places, with the right power source, and records to show it. For owners and managers of rental buildings we walk each unit, note missing or expired detectors, and install what's needed. For renovations we add the hardwired interconnected detectors the filing calls for. Each unit gets a record of what was installed, the date and the test result, which is what an inspector or insurer will ask to see. Boards get one summary for the whole building.

Placement decides how well a detector works. Smoke detectors go outside sleeping areas, inside bedrooms and on every level; CO detectors go near sleeping areas and near fuel-burning appliances. We keep detectors away from kitchen steam, bathroom doors and ceiling corners where air doesn't move, which cuts false alarms without cutting protection. Every detector is tested with the test button, interconnected systems are tested end to end, and you're shown how to test and silence them yourself. A monthly test takes seconds.