Is your inspector a certified infrared thermographer like I am, or do they just own an infrared camera? Did your inspector invest in a professional grade camera like my FLIR E8, or do they use a consumer version attached to their smart phone? Thermal imaging a house is both art & science, it relies upon a trained & experienced operator along with quality equipment. It is not a 'point and shoot' technology.
Why use a thermal imaging camera during a home inspection? The human eye perceives only a very small amount of the total light spectrum, an infrared camera reveals another wavelength of light not visible to the human eye. What humans perceive as temperature by touch, an infrared camera displays as an image with differing colors representing the temperatures in view of the camera. This enables an appropriatly trained inspector to quickly sweep large areas in an attempt to identify anomalies which can indicate the presence of moisture, deficient insulation etc.
I have been using professional grade FLIR infrared cameras since 2012. A representative sample of top floor ceilings, exterior walls / under windows, and below / around bathrooms & kitchens are observed for water leakage & insulation deficiencies not visible to the human eye. Any suspect areas identified are further evaluated with a moisture meter. Where forced air heat / central air conditioning is present, I view delivery registers with the infrared camera to determine functionality & temperature. If in/under-floor heat (either electric or hot water/hydronic) is present, functionality can also be determined under the appropriate conditions.
This is an infrared image of a vaulted ceiling in a custom executive home built in 2014. My inspection revealed that no insulation had been installed
This is an infrared image of a ceiling & light fixture below a second floor bathroom. After running cold water in the bath tub above, my inspection revealed a leak
This is an infrared image of a tiled bathroom floor. My inspection confirmed that the under-floor electric heat system was functional
This is an infrared image of a second floor ceiling in a brand new house on a hot day, my inspection revealed a thermal anomaly. Further investigation revealed an area of loose-fill insulation that had been blown off the attic floor below a roof vent, batt style insulation should have been used
This is an infrared image of a carpeted basement floor at an exterior wall. My inspection revealed water intrusion due to poor exterior grading
This is an infrared image of a heated basement concrete floor where the hydronic piping enters/exits. My inspection confirmed that the heating system was functional
This is an infrared image of a floor register serving a forced-air heating system. My inspection confirmed the delivery of heat at all registers checked
This is an infrared image of a toilet, water supply & surrounding floor. My inspection did not reveal any leakage
This is an infrared image of a floor register serving a forced-air cooling system. My inspection confirmed the delivery of cooled air at all registers checked
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Business license# 332550
Full home inspector license# 332551