Question

How do guest room hotel smoke alarms work and differ then regular home versions?

Answer 1

Answer: As to the more sophisticated way of detecting "smoke" from an object a human may use in hotel rooms, this sensor called a Fresh Air Sensor does not just detect and, and but alerts the management about a smoking incident in a hotel room

Answer 2

Because the ones at hotels are more expensive and the one at your house is meant for like smoke from a pan I think.