Smart Sensors and Cameras vs. Home Watch: Do You Need Both?
Updated: Oct 12
Smart-home technology has made it easier to keep an eye on a house from anywhere: leak sensors, door sensors, cameras, and thermostats you can adjust from your phone. Many owners reasonably wonder whether that is enough. For most vacant homes, technology and home watch do different jobs, and the two work best together.
What smart devices do well
They alert you quickly. A leak sensor can notify you the moment it detects water in one spot.
They show you a specific view. A camera can show who approached the door or what the driveway looks like right now.
They let you adjust things remotely. A smart thermostat lets you change a setting without being there.
They run all day, every day, with no schedule.
If you have these, keep them. They are the always-on layer.
Where they fall short
They depend on power and internet. If either goes out, many devices stop reporting until service returns, and a summer outage is exactly when you would want to know.
They see only what they are pointed at. A camera does not show the stain under a vanity, and a leak sensor covers only the spot where it sits.
They report numbers, not context. A thermostat reading of 82 degrees does not tell you whether the system is struggling, a door is open, or a filter is clogged.
They need a human response. An alert tells you something happened. Someone still has to go and look, and the owner is often hours away.
They fail quietly. A dead battery or an offline device can go unnoticed until the moment it is needed.
That last point is the one owners most often miss. A sensor that stopped reporting looks the same as a sensor with nothing to report.
What a weekly visit adds
A home watch visit puts a person in the property once a week to look at the whole picture. That person can notice a stain, an odor, or condensation that no device would flag, see whether the home's visible devices appear to be working, and take photos so you can judge for yourself. With Estate Home Watch, selected lights, appliances, or systems can also be verified when you request it.
What home watch is not is a 24-hour service. Visits happen on a schedule, so home watch does not replace continuous monitoring or emergency response. If an alert fires at 2 a.m., the right call may be to your alarm company, a licensed professional, or emergency services.
How to combine them
Use sensors and cameras for instant alerts on the highest-risk spots, such as water heaters, areas under sinks, and entry doors.
Use a weekly visit as the regular human check, including a look at whether your devices still appear to be working.
Decide in advance who responds when an alert comes in, and make sure that person has authorized access.
Keep licensed professionals available for anything that needs repair.
Where to place sensors in a desert home
If you add leak sensors, put them where water is most likely to show up first:
Beside the water heater, wherever it is located
Under kitchen and bathroom sinks
Behind the washing machine and near the dishwasher or refrigerator water line
Near the air handler and its condensate drain
Near toilets and in rooms with plumbing above a finished ceiling
A temperature and humidity sensor in the main living area is also worth having, because a cooling system that is struggling shows up in the numbers before the house becomes uncomfortable.
Questions to ask about any alert system
Who receives alerts, and is there a backup contact if you are unreachable?
Does the system tell you when a battery is low or a device goes offline?
What happens if the internet or power goes out?
Who is authorized to go to the house when an alert comes in, and do they have access?
How often are the devices tested?
Frequently asked questions
If I have sensors, do I still need home watch?
Sensors tell you something changed in one spot. A weekly visit looks at the whole property, catches what no device covers, and checks that the devices are still working.
Can home watch respond to my sensor alerts at night?
No. Desert Estate Home Watch does not monitor devices or respond to alerts around the clock. Plan who responds in advance, and call 911 for an emergency.
Should I tell my home watch provider about my cameras?
Yes. Share where cameras and sensors are and what they record, so a scheduled visit is not mistaken for something else and so the provider can note whether devices look like they are working.
Not sure who should hold access? See how key holder services work. For how home watch differs from alarm and security services, see home watch versus property management, security, and inspections. If you would like to talk through your setup, request a consultation.
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