Labels:monitor | reckoner | sky OCR: Thermal Performance Resistance condensation The chart on the next slide is from the AAMA standard and provides process for determining what the CRF should be Determine the outside winter design temperature on the horizontal axis (Boston = shown by vertical red line) Determine inside % relative humidity on the vertical axis (say 30% as shown by lower red line) The intersection point of the two red lines indicates that the architect should specify CRF of 47 or higher to minimize objectionable condensation However CRF of 47 will not eliminate condensation under all conditions If the % relative humidity S increased to 40% then the CRF should be at least 58 desigr norizontal Bostor thowr owel boint indicate Jiminat onditions
