HTHW Distribution Inspection

High Temperature Hot Water Leak Detection

AITscan uses aircraft-based infrared surveys to identify thermal anomalies across buried HTHW supply, return, vault, and district energy networks.

37+ Years

Of Infrared Expertise

50 States

Plus Alaska & Puerto Rico

Aircraft

Not Drones

Engineered

For Facility Decision-Makers

What Is High Temperature Hot Water Leak Detection?

High temperature hot water leak detection uses aircraft-mounted infrared sensors to identify thermal anomalies associated with buried HTHW supply and return lines, vaults, insulation failures, and other components of a district energy network. When heat escapes from a buried system, it can create measurable temperature differences at the ground surface that become visible in aerial thermal imagery.

AITscan collects and georeferences these thermal patterns across the distribution network so facility and engineering teams can focus follow-up investigation on suspected problem areas. The findings can help distinguish areas of elevated heat loss, saturated insulation, vault-related anomalies, or potential line failures before maintenance teams commit to excavation or replacement.

For campuses, municipal systems, military installations, and other properties operating extensive HTHW infrastructure, aircraft-based infrared surveys provide a network-wide view that can support maintenance prioritization, capital planning, engineering review, and long-term system documentation.

High temperature hot water leak detection showing thermal anomalies along buried HTHW distribution lines

What a High-Temp Hot Water Survey Delivers

Network-Wide Thermal Mapping
AITscan maps suspected HTHW losses across supply and return lines, vaults, and distribution corridors for targeted follow-up.
Insulation & Jacket Failure Detection
Thermal patterns can reveal saturated insulation or jacket failures before they progress into more disruptive line failures.
Capital Planning Documentation
Mapped findings and thermal imagery give engineering and finance teams stronger documentation for repair, replacement, and budget decisions.

Built for District Energy Operators

Universities & Colleges
AITscan helps universities evaluate suspected HTHW losses across campus distribution networks.
School Systems
AITscan supports school systems with infrared surveys of buried hot-water infrastructure.
Correctional Facilities
AITscan helps correctional facilities assess HTHW distribution across secure campuses.
Cities & Municipalities
AITscan uses CityScan IR to map suspected heat loss across municipal district energy systems.

Why Use Aircraft for High Temperature Hot Water Leak Detection?

Ground-based thermography and short-range platforms can be effective for isolated vaults or known problem segments. For campuses, municipalities, correctional facilities, and other properties with miles of buried HTHW infrastructure, aircraft-based high temperature hot water leak detection can provide a more complete view of the distribution network within a coordinated thermal window.

AITscan can survey supply lines, return lines, vaults, and distribution corridors during the same mission, helping create a more consistent thermal dataset across the system. That consistency matters when engineering teams need to compare anomalies across different parts of the network and determine where follow-up investigation should begin.

Aircraft-based collection is especially useful when the network extends beneath roads, occupied campuses, secure facilities, or other areas where repeated ground access can be difficult or disruptive. The survey can help reveal suspected heat loss without requiring excavation, lane closures, or service interruption during the initial inspection.

The resulting thermal data gives maintenance and capital-planning teams a stronger basis for prioritizing verification, scheduling repairs, documenting system condition, and determining which sections of the network may require closer attention.

Aerial infrared image showing suspected heat loss along an underground high-temperature hot water network

How a High-Temperature Hot Water Survey Works

01
Initial Conversation
A short call to review the HTHW network, known concerns, project scope, and the teams involved.
02
Technical Net Meeting
AITscan meets with facilities, engineering, and energy stakeholders to review methodology, survey requirements, and reporting goals.
03
Scheduled Aerial Survey
The flight is scheduled around suitable thermal conditions, with site coordination and flight planning handled in advance.
04
Analysis & Reporting
Thermal imagery is processed, georeferenced, and analyzed, then delivered with mapped findings to support verification, repair planning, and capital decisions.

The Cost of Undetected HTHW Losses

High-temperature hot water systems can lose significant energy through saturated insulation, jacket failure, vault losses, and breaches in buried supply or return lines. Because many of these problems remain hidden below grade, operators may not know where losses are occurring until system performance declines or a more disruptive failure develops.

High temperature hot water leak detection gives facility and engineering teams a network-wide view of suspected heat loss before excavation or emergency repair is required. AITscan maps and ranks thermal anomalies across the distribution system so teams can focus verification and maintenance on the areas showing the strongest evidence of abnormal heat transfer.

The financial impact extends beyond wasted fuel. HTHW failures beneath occupied campuses, secure facilities, streets, and other developed areas can lead to excavation, pavement restoration, contractor mobilization, service interruptions, and unplanned labor. Identifying a developing issue earlier can allow operators to convert an emergency response into scheduled maintenance.

Repeated aerial infrared surveys can also support long-term asset management by creating a thermal record of the network over time. That history can help engineering teams compare recurring anomalies, prioritize aging segments, support capital requests, and determine where future replacement or rehabilitation may be warranted.

For operators managing both hot-water and legacy steam infrastructure, AITscan also provides underground steam leak detection using the same aircraft-based infrared approach.

Frequently Asked Questions

High temperature hot water leak detection uses infrared sensors to identify abnormal heat patterns above buried HTHW supply and return lines. AITscan collects aerial thermal imagery, georeferences suspected anomalies, and maps them for targeted ground verification.
Aerial infrared can reveal thermal anomalies associated with suspected leaks, saturated insulation, jacket failures, vault heat loss, and other abnormal heat transfer along buried district energy systems.
Aircraft are well suited for campuses, municipalities, correctional facilities, and other properties with extensive buried hot-water networks because they can collect broad areas within a coordinated thermal window and create a consistent dataset across the system.
Accuracy depends on system conditions, weather, sensor selection, acquisition timing, and experienced interpretation. Under suitable conditions, infrared can identify thermal anomalies that help engineering teams determine where follow-up investigation should be focused.
Survey duration depends on the size and geography of the network. Many campus or facility systems can be collected within a single flight window, while larger municipal or distributed networks may require additional flights.
AITscan reports can include georeferenced thermal imagery, mapped anomalies, location-specific findings, and documentation that supports verification, repair planning, capital requests, and long-term system management.

Ready to Evaluate Your HTHW Distribution Network?

Talk with AITscan about your buried hot-water system, survey area, and project goals to see whether high temperature hot water leak detection is a good fit.