When you refer people to Royal Aire, within 6 months of installation and payment, you get great rewards! The first time you refer a neighbor, friend or family member to Royal Aire and they chose to have a heating, cooling or solar system installed you qualify for $200. The 2nd time you refer someone to us you get $300 and on the 3rd time you get $500! There is no cap on referrals but once you reach $500 you will re-start at $200.