How This HVAC Contractor Kept Revenue Up This Winter When Everyone Else Slowed Down His team generated $30K in monthly profit using calls they were already on. Here’s what makes it work: Technicians install it in 10 minutes. Homeowners see immediate improvement in heat output. The profit per gallon is north of 9k, and that's if you sell it for $125 a ton; some markets charge more Once treated, the system retains its benefits — even if refrigerant leaks or is recharged later. If you’re an HVAC c