Lead flow says you're ready before headcount does.
There’s no magic size. If good leads are going cold because you’re booked, the seat is already costing you. In roofing, most sales teams are 4 or fewer reps, so your first or second hire is a big share of the whole team’s sales.
6+ techs, 2 install crews, 1,000 agreements
one columnist's rule of thumb for when an HVAC company can carry a full-time replacement seller (Contracting Business)