Flir

Flir FAQs

What can thermal cameras detect?

Thermal cameras detect heat signatures and temperature variations across surfaces, revealing issues invisible to standard inspection methods. They're excellent for finding electrical hot spots, water leaks, insulation gaps, blocked drains, and HVAC problems. Sparkies use them to spot overloaded circuits and loose connections, while builders identify thermal bridges and moisture intrusion in walls and roofs.

How accurate are thermal imaging cameras?

Professional thermal imaging cameras typically measure temperatures within ±2°C or ±2% of the reading, depending on the model and conditions. These cameras offer reliable accuracy for trade applications, with some models providing even tighter tolerances. Accuracy depends on factors like distance from the target, ambient conditions, and surface emissivity, but they're precise enough for diagnostic work and problem identification.

Do I need training to use thermal cameras?

Basic thermal camera operation is straightforward; just point, shoot, and review the thermal image on screen. However, interpreting thermal patterns correctly takes some understanding of heat transfer principles and common problem signatures. Many models include guided measurement modes and analysis software to help users identify issues. For professional reporting or certification work, formal thermal imaging training is recommended.

Can thermal cameras see through walls?

Thermal cameras cannot see through solid walls, but they can detect temperature differences on wall surfaces that indicate problems behind them. Hot or cold spots on walls often reveal issues like:

• electrical faults generating heat
• plumbing leaks causing temperature changes
• insulation gaps allowing heat transfer
• structural problems affecting thermal patterns.

This makes thermal imaging invaluable for non-invasive diagnostics before opening up walls or ceilings.