About this episode
We talk to Callen about his experience running a mid sized HVAC comapny at 24 years of age. Save 8% at https://www.trutechtools.com/ using promo code knowitall. Bluon https://www.bluonenergy.com/ Danfoss eLesson https://danfoss-catalog.sabacloud.com/Saba/Web_spf/EU2PRD0064/guest/ledetail/cours000000000011569?returnurl=guest%2Fsearchresult%2Ftxv+installation%2FLEARNINGEVENT%2COFFERINGTEMPLATE%2CCERTIFICATION%2CCURRICULUM%2COFFERING%2CPACKAGE%2CLXPCONTENT Housecall Pro https://www.housecallpro.com/hvacknowitall XOi Technologies http://www.xoi.io/hvac-know-it-all-demo/