Lakeshore Towers, built in 1965, is a landmark in Gainesville, Florida. CSEI aimed to upgrade the MEP systems without increasing the building's electrical demand, despite needing many updates to meet new building codes. Our goal was to use the existing infrastructure without costly upgrades. We improved efficiency by replacing appliances with higher-efficiency models, installing heat pumps for water heating and cooling, switching to LED lighting, and enhancing central exhaust systems. These upgrades allowed us to power individual unit mini-split HVAC systems from the existing electrical panels. This approach freed up the budget for crucial improvements, such as installing a full-building fire sprinkler system and a modernized fire alarm system.