Service & Troubleshooting Support

The dedicated team at Smith Thompson Home Services is devoted to providing our customers with easy-to-understand service and troubleshooting support. Our service and troubleshooting resources below can help you find system user guides for DSC and Honeywell systems and explore equipment upgrade options. You can also navigate phone line changes, troubleshoot beeping smoke detectors, and easily schedule service calls for repairs. If you can’t find the answers to your questions within the resources below, call our tech support department at 972-526-8500 and select option three. Tech support hours are Monday through Friday, 8 a.m. to 6 p.m., and Saturday, 9 a.m. to 3 p.m.

Equipment Upgrades

To add additional devices to your system, please call 972-526-8500, and press option #1 for the…

Phone Line Changes

If you’re not set up with our wireless monitoring transmitter and being monitored over…

Beeping Smoke Detectors

Monitored smoke detectors that alarm companies install and maintain, do not beep. If there is an issue…

Scheduling Service Calls

Our Tech Support Department schedules repair service calls. They can be reached at 972-526-8500, press option…

Family Owned Dallas Home Security Company Since 1978

We own and operate our own UL listed dispatch center right here in Dallas, Texas. That’s how we’re able to offer high quality home security & alarm monitoring at a great price. We are the largest independent alarm company in Texas, family owned & operated since 1978.

No Contracts. No Price Increases.

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What our customers say

100% Satisfied

From the first phone call to the actual use of our security system we have been 100% satisfied! The technician was knowledgeable and courteous. He was able to answer all my questions and get the system up and running in no time. Thank you Smith Thompson Home Security for making our home more secure and at an affordable price to do so!!!!

Happy Customer Dallas, TX

We had a great experience with Smith Thompson

Recently for our home in downtown Houston! I was referred to Smith Thompson by a friend after expressing frustration with some of the larger brands that lock you into a 3-year contract. We called to inquire about the most cost-effective…

Excited Customer Houston, Texas
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We've had the same 16.95 rate for 45 years!