The bungalow-style house wasn’t built to conserve energy. With its archway entries, wood trim and “unique character,” Gisela Ortega believes it belongs in a fairytale. It may have been built in Milwaukee’s Washington Heights neighborhood in 1924, but nearly a century later it is one of many homes around Wisconsin being retrofitted to cut energy costs, and in turn, reduce carbon emissions. “It’s something I’ve been wanting to do since I purchased this home, but the reality of bringing another person into this world was honestly my kick in the butt to do it,” said Ortega, 31, who works as startup community director at the venture capital firm gener8tor. Since…