Attic unit: looked at air movement system which was clean with no signs of concern. Looked at filter which was dirty so I changed out. Looked at wiring inside electrical compartment which were all clean and looking good and secure. Looked at flame gateway system which are clean with no signs of concern. Looked at heat sensor system which was clean with no signs of concern. System was up and running at normal operation at the end of the inspection.<br> <br> Crawl space unit: looked at air movement system which was extremely dirty so I told the customer and gave them an estimate on cleaning it. Looked at filter which was dirty so I changed out as well. Looked at wiring inside electrical compartment which were all clean and secure. Looked at flame gateway system which were starting to rust over and pit so I gave the customer an estimate on them as well. Looked at heat sensor system which was clean. System was up and running at normal operation at the end of the inspection.<br> <br> Gave c