Multifamily developments including condos, townhomes and duplexes have become a formidable arm of the residential real estate sector. Experts have noted the multifamily category as one of the most resilient against its counterparts during COVID-19. The reported a strong standing for multifamily homes in 2020. And yet, it has still been heavily affected. For many property owners and builders, the pandemic led to lost income. The good news is that some are finding savings in unexpected places through solar energy.