With new and increasing demand for solar energy, experts expect that 70,000 new solar panels will be installed every hour globally in the upcoming years. That's a lot of new business for solar energy companies. However, solar providers shouldn't limit their services to panel sales and installation. They should also offer indoor air quality products and services. Selling clean energy and clean air to customers is both smart and profitable. Air quality control is a fairly easy skill set to learn, usually, the biggest IAQ job takes no more than three tools and three hours. And lastly, these marketable skills set you apart from your competition.