The Smoke Pen emits test smoke when and where it is needed, says the company. To use, insert a patented smoke-emitting wick into the pen and adjust the wick to provide 3/8 inch of exposed wick. Next, ...

We may receive a commission on purchases made from links. When settling in your new house, the last thing you want is to be greeted with a noxious smell of cigarette smoke wafting in from your AC.

Duct smoke detector maintenance requirements are not included in the NFPA standard that covers HVAC systems (NFPA 90A or 90B); however, the International Code Council’s 2015 Mechanical Code does state ...

People all over could be breathing in the lingering particles from years-old smoke breaks, researchers reported Wednesday. They found evidence that lingering smoke particles — called thirdhand smoke — ...