It Pays to Protect What Matters Most. When you choose Astro Guard Alarms, you don't have to fear for the safety of your family's or business. Astro Guard Alarms is a local, family-operated company serving the Lower Mainland since 1984 and we hope to keep Vancouver homes and businesses safe for years to come. We believe every customer deserves honesty, expertise, and respect when it comes to their needs and concerns. No Phone Line? No Problem, we have alarms to fit!