Whole House Ventilation Systems: Compare Exhaust, Supply, Balanced, HRV, and ERV by Home and Climate
Whole house ventilation systems are not the same as ordinary heating and cooling circulation. Begin by identifying the home’s existing outdoor-air path, local exhaust fans, controls, ducts, filters, and manuals. Then compare exhaust-only, supply-only, balanced, HRV, and ERV categories by pressure effects, distribution, climate, moisture, controls, maintenance, noise, service access, and professional-design requirements. Do not