Installing an ERV (Energy Recovery Ventilator) system in your RV takes about four to six hours and transforms your mobile home’s air quality by automatically exchanging stale indoor air with fresh outdoor air while recovering heating or cooling energy. The process involves mounting the ERV unit, cutting strategic vent holes through your RV’s exterior, running ductwork, wiring the system to your 12V power supply, and sealing everything weatherproof. While it sounds complex, this is one of those …