HRV vs ERV — Which Ventilation System Is Best for Vancouver Homes?

Published: July 23, 2026 — CANRO Heating & Cooling — Greater Vancouver, BC

How HRVs and ERVs Work

Both HRVs and ERVs exchange stale indoor air with fresh outdoor air while recovering energy. HRVs transfer heat only — they warm the incoming cold air with the outgoing warm air in winter. ERVs transfer both heat AND moisture — they also manage humidity transfer. The choice depends on your climate and home needs.

Which Is Better for Vancouver?

For Vancouver humid winters and mild summers, an ERV is generally recommended. It transfers moisture from the outgoing stale air to the incoming dry air in winter, maintaining comfortable indoor humidity. In summer, it can help reduce humidity by transferring moisture to the outgoing air. HRVs are better for colder, drier climates like the BC interior.

Cost and Installation

HRV/ERV unit cost: $1,500-3,500. Installation: $1,000-2,500 depending on ductwork complexity. Total installed: $2,500-6,000. A dedicated ventilation system is recommended for tight homes (new construction or major renovations). Most BC Step Code homes require mechanical ventilation.

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Safety Reminder

If you smell gas, suspect carbon monoxide or believe there is an immediate danger, leave the property and contact emergency services or the appropriate gas emergency authority. Do not remain inside — exit the building immediately and call for help from outside.