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Modern homes are sealed tight for energy efficiency - but that traps stale air inside. ERV and HRV systems bring in fresh outdoor air while recovering 70-80% of the energy that would otherwise be lost.
Opening windows isn't practical in Chicago's climate - you'd freeze in winter or let in humid air in summer. Energy recovery ventilators solve this problem.
New construction and energy upgrades seal homes tightly. Without mechanical ventilation, stale air, CO2, and pollutants build up.
Off-gassing from materials, cooking odors, cleaning products, and human CO2 all need continuous dilution with fresh air.
ERVs help balance indoor humidity - reducing winter dryness and summer stickiness without losing heating/cooling energy.
Opening windows wastes 100% of heating/cooling energy. ERVs/HRVs recover 70-80%, making fresh air affordable.
Works automatically regardless of outdoor temperature. Fresh air in January when it's -10°F or August when it's 95°F.
Air is filtered as it enters, keeping out pollen, dust, and pollution - important for allergy sufferers.
Both systems recover energy from exhaust air. The difference is moisture transfer.
Transfers heat between incoming and outgoing air, but not moisture. Best for homes with high indoor humidity problems.
Transfers both heat AND moisture. Helps maintain humidity levels - adds moisture in dry winters, reduces it in humid summers.
$2,000-$4,000 installed, depending on unit size and ductwork requirements. Many newer homes have provisions for easy installation.
Simple: clean or replace filters every 3-6 months, annual core cleaning. Much less maintenance than most HVAC equipment.
ERVs actually help balance humidity - they're designed to transfer moisture between airstreams. In winter, they retain indoor moisture; in summer, they reject outdoor humidity.
Contact us for a free consultation on ventilation options for your home.