Process Our Services Never miss HVAC leads with instant call notifications and automated booking. Automated follow-ups via SMS and email keep your leads engaged around the clock. Automated follow-ups via SMS and email keep your leads engaged around the clock. About Us At HVAC Lead Machines, we help HVAC contractors capture every lead with smart automation that books jobs while you focus on your trade. Hear From Since installing HVAC Lead Machines, we never miss a call. Leads come in automatically, and booking has never been easier.