Smart Water Leak Detectors: Worth the Investment

Tod Caflisch
6 min readJul 16, 2024

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July 16, 2024

Water leaks can be a significant financial burden for homeowners. According to the U.S. Environmental Protection Agency (EPA), household leaks can waste nearly 10,000 gallons of water every year for an average home. Collectively, this can add up to over 1 trillion gallons of water wasted annually nationwide. The average cost of water in the U.S. is about $1.50 per 1,000 gallons, so the water waste alone can cost homeowners approximately $15 per year. However, the actual financial impact is much higher when considering the potential for property damage.

The Insurance Information Institute (III) reports that water damage and freezing are the second most common insurance claim, with an average cost of $11,098 per claim. This includes damage from burst pipes, leaking appliances, and other sources of water intrusion. Frequent or severe water damage claims can lead to increased homeowners’ insurance premiums. This can add hundreds or even thousands of dollars to annual insurance costs.

Costs for repairing water damage can vary widely based on the extent of the damage. Minor leaks might only cost a few hundred dollars to fix, but significant damage can easily run into the tens of thousands of dollars. This includes costs for drying out the property, repairing or replacing damaged structures, and mitigating mold. Chronic water leaks can weaken the structural integrity of a home, leading to more expensive repairs down the line.

Water leaks can also lead to increased utility bills due to wasted water, costs associated with mold remediation, and potential loss of personal belongings and home value. Mold remediation alone can cost between $500 and $6,000, depending on the extent of the infestation. Additionally, mold and mildew growth can pose health risks, potentially leading to medical expenses.

While the direct cost of wasted water might seem minor, the overall financial impact of water leaks can be substantial when considering property damage, increased insurance costs, and potential health risks. Investing in water leak detectors can help mitigate these costs by allowing for early detection and prompt action.

Water leak detectors can identify leaks early, potentially preventing significant water damage. Early detection allows you to address the issue before it escalates into a major problem. Addressing water leaks promptly can save money on water bills, as unnoticed leaks can result in wasted water. Additionally, preventing major water damage can save on repair costs.

Leak detectors are especially useful in areas of the home that are not frequently monitored, such as basements, attics, or behind appliances. These areas are prone to undetected leaks. Knowing that your home is equipped with leak detectors can provide peace of mind, especially if you travel frequently or have a second home. Modern leak detectors can send alerts to your smartphone, ensuring you are informed of potential issues even when you’re away.

Some insurance companies offer discounts on homeowners’ insurance premiums for homes equipped with water leak detection systems. This can result in additional savings.

Many modern water leak detectors can integrate with smart home systems, allowing for seamless monitoring and control. You can receive real-time alerts and take immediate action, such as shutting off the water supply remotely or automatically if a leak is detected. By installing water leak detectors, homeowners can protect their property, save money, and reduce the risk of health hazards associated with water damage.

You might be surprised by the diverse approaches to what seems like a simple task: detecting the presence of water where it shouldn’t be. Some leak detectors operate on WiFi, others require a hub to communicate. Some plug into an AC outlet, others require a battery. Some come with external sensor cables and mount to the wall, others lay on the floor. Many have onboard sirens.

Here are the specs and features you’ll want to consider when shopping for a smart home water leak detector:

  • Hub requirements: Some smart leak sensors that communicate using Zigbee or Z-Wave technology require a hub or a bridge to connect to your WiFi. Others can connect directly to your WiFi.
  • Connection protocols: If you own a hub already, you must make sure the sensor uses a compatible connection protocol.
  • Integrations: Some leak sensors allow you to automate actions on other devices when a leak occurs. That way, you can trigger lights, turn on cameras, or sound an alarm. Devices that support IFTTT, a service that lets you automate tasks between connected devices and services, can trigger actions by third-party devices. Sensors that communicate with smart water valves, such as those from Phyn and Flo by Moen, can turn off your main water supply to stop a leak.
  • Size and extendibility: Make sure your leak sensor will fit in the space you need it. If it’s a tight space, make sure the sensor is either small enough to fit, or that it offers a sensor cable to extend its reach.
  • Built-in siren: Unless you plan to put the sensor far from where you might normally hear it, it’s helpful to have a siren onboard. That way, you’ll still get alerted at home even when the internet is down.
  • Additional onboard sensors: Some leak sensors can also measure other environmental conditions that can lead to problems, such as temperature (frozen pipes can burst and cause catastrophic water damage) and humidity (excess moisture in the air can allow mold to grow).
  • Power source: Most leak sensors are battery powered, but some depend on AC power. An outlet-powered sensor with battery backup in the event of a blackout would be ideal. Unfortunately, they are rare.

For some great examples of smart home gear to keep your place safe from water leaks, see my previous post ‘The Best Smart Home Water Management?

Fire might be a homeowner’s greatest fear, but water is actually the more common cause of property damage, according to insurance companies, even if you don’t live in a flood-prone area. Water damage can originate from various sources, such as a failing water heater, burst pipes, broken supply lines under your sink, clogged toilets, or even a split hose connected to your washing machine.

Just as smoke detectors are essential in each bedroom and common area, installing leak detectors in potential water damage spots like the laundry room, water heater closet, bathroom, and under the kitchen sink makes sense. Certainly something to consider. Debbie and I had a bad experience with a water leak a few years ago when we were just starting to outfit our home with smart home technology. Hindsight being 20/20 I wish I had put water leak sensors at a higher priority as they would have saved us a lot of time, hassle and expense.

Let Debbie and I know what you think in the comments, DMs and emails as we really enjoy hearing from you. Thanks again to all those following Debbie and I through our home building journey. It’s great to hear your success stories and suggestions as we move through the process. And if you like the content I’m posting each week, don’t forget to ‘Like’ and ‘Follow.’

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In full disclosure, I’m not an affiliate marketer with links to any online retailer on my website. When people read what I’ve written about a particular product and then click on those links and buy something from the retailer, I earn nothing from the retailer. The links are strictly a convenience for my readers.

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Tod Caflisch

Smart Home technology thought leader with passion for out of the box solutions for smart home integrations, focusing on efficiency, safety and sustainability.