The year is 2010.

Diagnostic technology available to John Q public has changed radically..

Take away the guess work...

The automotive manufacturers use thermal image mapping for engine cooling systems, especially radiators.

The million dollar equipment cost has been dropping for years, and is now common in many industries.

Home Heat Loss Inspection is availible almost anywhere for a small fee.

http://www.google.com/search?q=thermal+image+home+insulation&rls=com.microsoft:en-us&ie=UTF-8&oe=UTF-8&startIndex=&startPage=1&rlz=

thermal image radiator
http://www.google.com/images?hl=en&expIds=17259,24813,26751,26758,52718&sugexp=ldymls&xhr=t&q=thermal+image+radiator&cp=22 &rls=com.microsoft:en-us&wrapid=tljp1285269321582114&um=1&ie=UTF-8&source=og&sa=N&tab=wi


thermal image camera rental
http://www.google.com/search?q=thermal+image+home+insulation&rls=com.microsoft:en-us&ie=UTF-8&oe=UTF-8&startIndex=&startPage=1&rlz=#sclient=psy&hl=en&rls=com.microsoft%3Aen-us&q=thermal+image+camera+rental&aq=f&aqi=g4g-o1&aql=&oq=&gs_rfai=&pbx=1&fp=8ce9e1c25799f52d

thermal image camera for sale
http://www.google.com/search?q=thermal+image+home+insulation&rls=com.microsoft:en-us&ie=UTF-8&oe=UTF-8&startIndex=&startPage=1&rlz=#sclient=psy&hl=en&rls=com.microsoft%3Aen-us&q=thermal+image+camera+for+sale&aq=f&aqi=g4g-o1&aql=&oq=&gs_rfai=&pbx=1&fp=8ce9e1c25799f52d

thermal image camera prices
http://www.google.com/search?q=thermal+image+home+insulation&rls=com.microsoft:en-us&ie=UTF-8&oe=UTF-8&startIndex=&startPage=1&rlz=#sclient=psy&hl=en&rls=com.microsoft%3Aen-us&q=thermal+image+camera+prices&aq=f&aqi=g4g-o1&aql=&oq=&gs_rfai=&pbx=1&fp=8ce9e1c25799f52d

thermal image camera hire
http://www.google.com/search?q=thermal+image+home+insulation&rls=com.microsoft:en-us&ie=UTF-8&oe=UTF-8&startIndex=&startPage=1&rlz=#sclient=psy&hl=en&rls=com.microsoft%3Aen-us&q=thermal+image+camera+hire&aq=f&aqi=g4g-o1&aql=&oq=&gs_rfai=&pbx=1&fp=8ce9e1c25799f52d

infrared camera
http://www.google.com/search?q=thermal+image+home+insulation&rls=com.microsoft:en-us&ie=UTF-8&oe=UTF-8&startIndex=&startPage=1&rlz=#sclient=psy&hl=en&rls=com.microsoft%3Aen-us&q=infrared+camera&aq=f&aqi=g5&aql=&oq=&gs_rfai=&pbx=1&fp=8ce9e1c25799f52d




A cheap alternative is to use an infrared thermometer to make a thermal map of the radiator.
http://www.peachparts.com/shopforum/showthread.php?t=261578