Thermal performance of windows by means of thermography and heat-flux meters

Timo T. Kauppinen

doi:10.1117/12.459574

15 March 2002 Thermal performance of windows by means of thermography and heat-flux meters

Timo T. Kauppinen

Proceedings Volume 4710, Thermosense XXIV; (2002) https://doi.org/10.1117/12.459574
Event: AeroSense 2002, 2002, Orlando, FL, United States

Abstract

The replacement of windows is the most common renovation measure in Finland. There are also problems in new buildings especially with new thin light metal-framed windows, even though the U-value of the pane would be acceptable. The minor defects in the installation may cause IAQ-problems - because of seam leaks and thermal bridges. There is no general procedure for condition survey of windows based on measurements. In this paper a procedure for testing windows in in-situ conditions is presented based on case studies. Thermal performance of windows can be measured using thermography and supporting methods, like heat-flux measurements and air leak tests. Even though the absolute results may include interfering factors, we can compare the windows with each other (depending on the conditions) and make decisions on the quality of the installation work and the thermal performance of windows.

Citation Download Citation

Timo T. Kauppinen "Thermal performance of windows by means of thermography and heat-flux meters", Proc. SPIE 4710, Thermosense XXIV, (15 March 2002); https://doi.org/10.1117/12.459574

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