David Richardson returns to the podcast to talk about the silent, deadly gas, carbon monoxide. We talk about testing, identification of problems, and common CO myths as they relate to the HVAC trade. Check out some more content- Support & donate to our podcasts and YouTube channels – https://www.subscribestar.com/zack-psioda Skilled Trade Up! YouTube Channel - https://www.youtube.com/channel/UC8q-fPKJcG5wrt9oBDBtktQ HVAC Training Videos YouTube Channel -https://www.youtube.com/channel/UCQ3IL5BTLIe_LlznLJki3Fw Skilled Trade Up! YouTube Channel Live Notifification Sign Up (Get texts right before the show starts)- https://forms.gle/G9uS425tE44CFoYc6 HVAC Training Videos YouTube Channel Live Notification Sign Up  (Get texts right before the show starts) - https://forms.gle/5LWLkHBeTioET9hd7 HVAC Shop Talk Instagram - https://www.instagram.com/hvacshoptalk/ Skilled Trade Up! Instagram - https://www.instagram.com/skilledtradeup/ HVAC Traing Videos Facebook Page - https://www.facebook.com/HVACTrainingVideos Skilled Trade Up! Facebook Page - https://www.facebook.com/skilledtradeup HVAC Shop Talk Facebook Page - https://www.facebook.com/hvacshoptalk HVAC Shop Talk Podcast iTunes - https://podcasts.apple.com/us/podcast/hvac-shop-talk/id1202427403 HVAC Shop Talk Podcast Stitcher App for Android - https://www.stitcher.com/podcast/hvac-shop-talk TruTech Tools Promos (use the "SHOPTALK" code to save 8%) - https://www.trutechtools.com/promos