HVAC contractors are having more discussions about delivering healthy air to the home and further differentiating their business and service by offering IAQ solutions. Selling these solutions requires contractors to address year-round humidity control, fresh air ventilation that meets ever-evolving building codes, and other topics. They are offering and delivering the promise of healthier homes and more efficient, longer lasting HVAC systems. The question is, why are they selling IAQ — and how can other contractors sell it successfully?