Iโd keep it way narrower than โmarketing channelsโ at this stage. For first clients, Iโd probably avoid spreading across paid ads, content, cold email, LinkedIn, partnerships, etc. all at once. You donโt need a scalable channel yet, you need proof that HVAC owners care enough to respond, take a call, and maybe pay. What Iโd do is pick one very specific offer and one outreach motion. For example, instead of โAI voice receptionist for HVAC companies,โ make it something like โwe help HVAC companies stop missing after-hours calls and turn them into booked jobs.โ Then go direct. Call or email owners with a very specific pain point. Bonus if you can reference missed calls, slow response time, bad reviews mentioning no answer, or after-hours emergency jobs. What usually works early is boring but effective. Manual outreach, founder-led calls, small local partnerships, and talking to people who already sell into HVAC companies. What I would avoid early is trying to build a big content machine before you know the exact pain and wording that gets buyers to care. Paid ads can also burn money fast if the offer and sales conversation are not dialed in yet. Iโd focus your energy on 50 to 100 direct conversations with HVAC owners or office managers. Track what gets replies, what objections repeat, and what words they use to describe the problem. That will teach you more than testing ten channels lightly. Happy to share how we think about early client acquisition in our startup if you want a concrete example.