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Baltimore, MD

(410) 653-9568

Welcome to A-1 Security Systems Baltimore

For over twenty years we have served the Baltimore Metro, Washington D.C. and Northern Virginia area.



A brighter way to save energy.


A brighter way to save energy.

The Nest Thermostat programs itself and automatically helps save energy when you’re away.



A-1 Security systems is a nest pro installer and dealer. You can rely on us to properly install all Nest Products


A best-in-class security camera with top-of-its-class brains

Nest Cam IQ has incredibly crisp, clear 1080p HD video and HD Talk and Listen. It can identify when someone’s in your home, alert you, and zoom in to see who’s there.