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Energy Recovery Ventilators (ERV)
Balanced Ventilation • Heat + Moisture Transfer
Energy Recovery Ventilators (ERV)
An Energy Recovery Ventilator (ERV) brings in fresh outdoor air while exhausting stale indoor air, transferring both heat and moisture between the air streams. This helps maintain comfort and improves indoor air quality without wasting as much energy—especially in humid climates.
ERVs are a strong choice for tighter buildings, new construction, and renovations where controlled ventilation is required. When properly sized and ducted, an ERV can reduce indoor stuffiness, odors, and moisture load while supporting stable comfort across seasons.
- Compare airflow (CFM) to match square footage, occupancy, and code targets
- Choose ERV when moisture control matters (warm/humid regions)
- Verify ducting plan: dedicated ducts vs tying into existing HVAC
- Use proper filtration and maintenance access for long-term performance
If your building feels “tight” (stale air, lingering odors, high humidity), the issue is often lack of controlled ventilation—not just equipment size. ERVs help balance fresh air and comfort.
Pro tip: ERV performance depends heavily on duct design. Keep runs short, seal joints, and avoid restrictive flex duct wherever possible.
Related Ventilation & Humidity Solutions
Heat Recovery Ventilators (HRV) Balanced fresh air with heat transfer—commonly used in colder/drier climates. Whole-House Dehumidifiers Ducted humidity control for consistent comfort throughout the home. Bathroom Exhaust Fans Remove moisture at the source to reduce mold risk and odors.
Energy Recovery Ventilators for fresh air ventilation
Energy recovery ventilators (ERV) provide balanced ventilation by exchanging indoor and outdoor air while transferring heat and moisture. Compare airflow CFM, ducting options, filtration, and installation requirements. ERVs are often ideal for humid climates and tighter buildings to improve indoor air quality and comfort.