It's not just about increasing your HVAC company's leads! Online Marketing / Digital Advertising is only one way that you can increase your revenue and profit. The closer you get to signed deals and checks, the more impact you can have immediately on your HVAC companies bottom line. Sales training is another system you might consider getting in place, any ways to systematically increase your employees in-home confidence. The technology around your service (HousecallPro, and Service Titan being HVAC CRM options), getting more reviews, and anything else you can do to give social proof and authority to your brand/company to help customers trust you. Increasing your average revenue per home visit, through offering add-on's can also have an immediate impact.