Will your dream home be a star performer, an Energy Star performer, that is? It’s not a question many folks ask as they plot and plan a home. Cheryl Roberts, proud and happy owner of a Monolithic Dome home in La Junta, Colorado, didn’t. But then Cheryl learned that her qualification for a low-interest mortgage through CHAFA, the Colorado Housing and Finance Authority, depended on her Monolithic Dome’s E-Star rating.