CALL THE PROFESSIONAL ONCE AND NEVER WORRY AGAIN!
Installation -We bring everything to install, so you don’t have to worry.
We now accept cash, Credit card, debit card, check, paypal/Venmo! Get a manufacture warranty and a personal detailed fire/CO plan of your home!


10-year alarms have a sealed lithium ion battery installed. They cost more up front but save you hundreds of $$ in 9volt batteries over the life of the alarm.
Combo Carbon Monoxide alarms – I highly recommend adding 1 Combo Carbon monoxide/Smoke alarm on each level of your home for the best protection.
Carbon Monoxide/Smoke Alarm

Install an interconnected wireless system. (save thousands not having to run new wires to install new smoke alarms)
Have an old home that does not have the wiring for smoke alarms? Have an area of your home that is not protected?We have the perfect option for you!
- Intelligent wireless interconnect with 10 year worry free battery smoke only.

- Intelligent wireless interconnect with 10 year worry free battery combo co/smoke alarm.

*Each detector installed and sold by SDP has a 10 Year Warranty from date of manufacture. We do not warranty products, only the manufacturer.
*All of my detectors are factory direct so I get them on avg. $10 cheaper per alarm than your hardware store. In turn saving you money and having it done right!
Proudly serving Wentzville Lake St. Louis O’Fallon St. Peters Dardenne Prairie Cottleville and St. Charles.
St. Louis city and St. Louis county by appointment.