Home Safeguard Industries is the world’s first and leading manufacturer of aerosol smoke alarm testers. Since 1979, we’ve built a global presence and heritage serving the commercial fire alarm and safety industries with such recognized brands as Smoke Detector Tester ™, Heat Detector Tester ™ and related accessories. Both products are UL Listed and approved for use by virtually all commercial alarm manufacturers. Smoke Detector Tester ™ is the most reliable, economical, and safest way to functionally test for smoke entry and meet NFPA 72 test requirements. Smoke Detector Tester ™ works with all smoke detector brands and types; both ionization and photoelectric. It is also manufactured in Europe allowing for competitive pricing and reduced transport costs. Put us to the test today.