Our patented products including SmokeCheck™, PurCheck™ and COCheck™ are reliable, easy to use and affordable methods to test heat, smoke and CO detectors.


The new CaT Kit™ is the first Completely Self-Contained Carbon Monoxide detector test kit.


HSI FIRE & Safety Group is dedicated to providing a safer world, whether it be by providing testing products to safeguard your home and work place or strictly adhering to environmental guidelines that protect our environment. Our products are and always have been environmentally friendly. Our products were designed to protect!