Commercial Water Leak Detection: The Best Tools and Systems Compared

Three of the top leak detection tools for commercial properties are acoustic sensors, infrared cameras and smart leak detectors. A water leak can be a serious financial headache for a commercial property, and water damage is one of the leading causes of property insurance claims (Source: The Hartford). If you manage one, you need a plan for preventing leaks before they cause extensive damage, and the right commercial leak detection tools are how you do it.

Here’s what each one does, so you can protect your investment and avoid the high cost of water damage.

Why commercial water leak detection matters

For a commercial property owner, the risk from water damage goes beyond the money. It can mean business downtime, unhappy tenants and costly repairs. A leak can disrupt operations, damage inventory and even lead to mold growth, and the costs can pile up fast.

That’s why the right leak detection technology matters so much. These tools show you what’s happening in your property’s water systems in real time, so you can act quickly and prevent major damage.

Top leak detection tools for commercial properties

Here are a few of the top options for protecting a commercial property:

• Acoustic Sensors: These listen for the sound of water escaping from pipes or walls. They work well in large commercial spaces and can even pick up leaks hidden behind walls or underground. (Source: BuildingGreen)
• Infrared Cameras: For hard-to-reach areas or hidden leaks, infrared cameras are a must. They pick up the temperature differences that moisture causes, so you can pinpoint a leak without cutting into anything. (Source: Flir)
• Smart Leak Detectors: These connect to your property’s water system and send an alert when they detect a leak. Some also let you shut off the water supply remotely to stop further damage. (Source: Plumbing & Mechanical Magazine)

Types of commercial water leak detection systems

Acoustic sensors and infrared cameras help you pinpoint a hidden leak. A leak detection system keeps watch between inspections, and it works in one of four ways:

• Spot sensors sit near fixtures, appliances and equipment and raise an alert when they detect water. Each one covers only the spot where it sits.
• Flow monitoring watches the building’s main supply line and flags continuous flow, pressure drops or sudden spikes in use. That’s how it can catch a slow leak, like a running toilet, that spot sensors can miss.
• A whole-building shut-off adds a valve on the main supply line, so the system can stop the water to the whole building when it finds a leak. That means pipe work at the main line.
• A fixture-level shut-off puts a sensor and a valve at one fixture. When the sensor detects water, the valve closes and only that fixture’s water stops, so the rest of the building keeps its water.

There’s more on flow-based and point-of-use protection in our explainer on automatic water leak detection and shut-off systems.

Where leaks start in restrooms and break rooms

Start with the fixtures nobody watches: the toilets and sinks in restrooms and the ice makers in break rooms and kitchens. Each one has its own supply line, and a leak that starts after closing can keep running until someone comes in.

The aquaHALT 2X and aquaHALT Flip fit toilets with a tank, the aquaHALT ICE fits the 1/4-inch line to an ice maker, and the aquaHALT H/C guards the hot and cold lines under a sink. If your restroom toilets have no tank, ask us before you order. When its sensor detects water, each one shuts off the water to its own fixture and nothing else. The toilet and ice maker models also beep. All four run on batteries, with no Wi-Fi or app, so there’s no outlet to find and no network to set up.

Fitting a toilet or ice maker model takes a small adjustable wrench and a small level, with no pipe work at the main line. If the valve that feeds the fixture won’t close fully, though, a plumber has to replace it first. All four aquaHALT models are on one page, with their prices.

How to choose a commercial water leak detection system

These five checks narrow it down.

• Decide whether you need an alert or water that stops by itself. An alert helps only if someone sees it and acts. A shut-off valve stops the water without anyone stepping in.
• Choose the whole building, single fixtures or both. A main-line system covers the building, and fixture valves cover the fixtures you pick.
• Check what it needs to run: a power outlet, Wi-Fi, an app or a subscription. aquaHALT needs none of them, just batteries.
• Check where it goes in. A main-line valve means pipe work at the main supply, while a fixture valve goes on at the fixture.
• For a portfolio, ask about volume pricing. We offer it to property managers, so tell us how many buildings or units you look after.

Building leak detection into your property management

Connect these tools to your property management system and you’ll always be on top of potential problems. With automated monitoring, you can set up alerts and even have water shutoff systems close automatically to prevent further damage. Getting ahead of problems this way keeps your property protected and cuts the risk of expensive repairs later on.

The ROI of leak detection tools

Leak detection systems are more than worth the upfront cost. They help you catch leaks early, which reduces the need for extensive repairs, and over the long term you save money and protect your property from costly damage. Ask your insurer whether leak protection changes your premium.

If you need a hidden leak found today, call a plumber or a leak detection service. If you want the water to stop by itself next time, start with the restroom and break room fixtures above.